/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 18:39:35,001 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-26 18:39:35,049 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/Termination.epf [2025-04-26 18:39:35,054 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-26 18:39:35,054 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-26 18:39:35,054 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Check unreachability of error function in SV-COMP mode [2025-04-26 18:39:35,054 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Translation Mode: [2025-04-26 18:39:35,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-26 18:39:35,074 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-26 18:39:35,074 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-26 18:39:35,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-26 18:39:35,075 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-26 18:39:35,075 INFO L153 SettingsManager]: * Use SBE=true [2025-04-26 18:39:35,075 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-04-26 18:39:35,075 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-04-26 18:39:35,075 INFO L153 SettingsManager]: * Use old map elimination=false [2025-04-26 18:39:35,076 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-04-26 18:39:35,076 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-04-26 18:39:35,076 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-04-26 18:39:35,076 INFO L153 SettingsManager]: * Automaton type for concurrent programs=PARTIAL_ORDER_BA [2025-04-26 18:39:35,076 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-26 18:39:35,076 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-04-26 18:39:35,076 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-26 18:39:35,076 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-26 18:39:35,076 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-26 18:39:35,076 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-26 18:39:35,076 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-04-26 18:39:35,076 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-04-26 18:39:35,076 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-04-26 18:39:35,076 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-26 18:39:35,077 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-26 18:39:35,077 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-04-26 18:39:35,077 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-26 18:39:35,077 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-26 18:39:35,077 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-26 18:39:35,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 18:39:35,077 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-26 18:39:35,077 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-26 18:39:35,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-26 18:39:35,077 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-26 18:39:35,077 INFO L153 SettingsManager]: * Use conditional POR in concurrent analysis=false [2025-04-26 18:39:35,077 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-04-26 18:39:35,077 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2025-04-26 18:39:35,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-26 18:39:35,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-26 18:39:35,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-26 18:39:35,277 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-04-26 18:39:35,278 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-04-26 18:39:35,280 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sum-print2.bpl [2025-04-26 18:39:35,281 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sum-print2.bpl' [2025-04-26 18:39:35,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-26 18:39:35,301 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-04-26 18:39:35,302 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-26 18:39:35,302 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-26 18:39:35,302 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-26 18:39:35,311 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 06:39:35" (1/1) ... [2025-04-26 18:39:35,331 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 06:39:35" (1/1) ... [2025-04-26 18:39:35,341 INFO L138 Inliner]: procedures = 5, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-04-26 18:39:35,342 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-26 18:39:35,343 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-26 18:39:35,343 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-26 18:39:35,343 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-26 18:39:35,348 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 06:39:35" (1/1) ... [2025-04-26 18:39:35,348 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 06:39:35" (1/1) ... [2025-04-26 18:39:35,350 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 06:39:35" (1/1) ... [2025-04-26 18:39:35,351 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 06:39:35" (1/1) ... [2025-04-26 18:39:35,353 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 06:39:35" (1/1) ... [2025-04-26 18:39:35,354 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 06:39:35" (1/1) ... [2025-04-26 18:39:35,356 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 06:39:35" (1/1) ... [2025-04-26 18:39:35,356 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 06:39:35" (1/1) ... [2025-04-26 18:39:35,357 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 06:39:35" (1/1) ... [2025-04-26 18:39:35,370 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-26 18:39:35,373 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-26 18:39:35,373 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-26 18:39:35,373 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-26 18:39:35,374 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:39:35" (1/1) ... [2025-04-26 18:39:35,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 18:39:35,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:35,397 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 18:39:35,399 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 18:39:35,422 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T4 given in one single declaration [2025-04-26 18:39:35,422 INFO L130 BoogieDeclarations]: Found specification of procedure T4 [2025-04-26 18:39:35,422 INFO L138 BoogieDeclarations]: Found implementation of procedure T4 [2025-04-26 18:39:35,422 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-04-26 18:39:35,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-26 18:39:35,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-26 18:39:35,422 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T2 given in one single declaration [2025-04-26 18:39:35,422 INFO L130 BoogieDeclarations]: Found specification of procedure T2 [2025-04-26 18:39:35,422 INFO L138 BoogieDeclarations]: Found implementation of procedure T2 [2025-04-26 18:39:35,422 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T3 given in one single declaration [2025-04-26 18:39:35,422 INFO L130 BoogieDeclarations]: Found specification of procedure T3 [2025-04-26 18:39:35,423 INFO L138 BoogieDeclarations]: Found implementation of procedure T3 [2025-04-26 18:39:35,423 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 18:39:35,456 INFO L234 CfgBuilder]: Building ICFG [2025-04-26 18:39:35,457 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-26 18:39:35,532 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-26 18:39:35,532 INFO L283 CfgBuilder]: Performing block encoding [2025-04-26 18:39:35,554 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-26 18:39:35,554 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-04-26 18:39:35,555 INFO L201 PluginConnector]: Adding new model sum-print2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 06:39:35 BoogieIcfgContainer [2025-04-26 18:39:35,555 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-26 18:39:35,555 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-04-26 18:39:35,555 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-04-26 18:39:35,562 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-04-26 18:39:35,563 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 18:39:35,563 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:39:35" (1/2) ... [2025-04-26 18:39:35,564 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73028382 and model type sum-print2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.04 06:39:35, skipping insertion in model container [2025-04-26 18:39:35,564 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 18:39:35,564 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 06:39:35" (2/2) ... [2025-04-26 18:39:35,565 INFO L376 chiAutomizerObserver]: Analyzing ICFG sum-print2.bpl [2025-04-26 18:39:35,613 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-04-26 18:39:35,645 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-26 18:39:35,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-26 18:39:35,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:35,648 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 18:39:35,650 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 18:39:35,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 32 transitions, 85 flow [2025-04-26 18:39:35,712 INFO L116 PetriNetUnfolderBase]: 4/26 cut-off events. [2025-04-26 18:39:35,717 INFO L117 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-04-26 18:39:35,721 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 18:39:35,722 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 32 transitions, 85 flow [2025-04-26 18:39:35,725 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 32 places, 26 transitions, 70 flow [2025-04-26 18:39:35,725 INFO L84 lAbstractionProvider]: Constructed initial Petri net abstraction that has has 32 places, 26 transitions, 70 flow [2025-04-26 18:39:35,725 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 26 transitions, 70 flow [2025-04-26 18:39:35,741 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 77 states, 75 states have (on average 2.8133333333333335) internal successors, (in total 211), 76 states have internal predecessors, (211), 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 18:39:35,742 INFO L171 actionProvider$Eager]: Constructed initial Büchi automaton abstraction (from Petri net) that has 77 states, 75 states have (on average 2.8133333333333335) internal successors, (in total 211), 76 states have internal predecessors, (211), 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 18:39:35,743 INFO L135 AmpleReduction]: Starting ample reduction [2025-04-26 18:39:35,802 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 56#[T2EXIT, L38, L77]true [2025-04-26 18:39:35,803 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 74#[L78, T2EXIT, L54-2, L38]true [2025-04-26 18:39:35,804 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 94#[L80, L38, L54-2]true [2025-04-26 18:39:35,804 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 46#[L25, L76-1]true [2025-04-26 18:39:35,804 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 48#[L77, L25, L38]true [2025-04-26 18:39:35,805 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 52#[L25, T3EXIT, L77]true [2025-04-26 18:39:35,805 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 66#[T3EXIT, L25, L54-2, L78]true [2025-04-26 18:39:35,806 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 62#[L38, L25, L54-2, L78]true [2025-04-26 18:39:35,806 WARN L140 AmpleReduction]: Number of pruned transitions: 30 [2025-04-26 18:39:35,806 WARN L141 AmpleReduction]: Loop nodes with "changing loop node status": 8 [2025-04-26 18:39:35,806 WARN L142 AmpleReduction]: Number of trivial sets caused by loops: 10 [2025-04-26 18:39:35,806 WARN L143 AmpleReduction]: Number of not loop caused trivial ample sets:17 [2025-04-26 18:39:35,806 WARN L144 AmpleReduction]: Number of initially assigned non-trivial ample sets:24 [2025-04-26 18:39:35,806 WARN L145 AmpleReduction]: Times succ was already a loop node:1 [2025-04-26 18:39:35,806 WARN L146 AmpleReduction]: Times some other node on the cycle already had a trivial ample set:5 [2025-04-26 18:39:35,806 INFO L149 AmpleReduction]: Finished ample reduction [2025-04-26 18:39:35,807 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 18:39:35,813 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-04-26 18:39:35,813 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-04-26 18:39:35,813 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-04-26 18:39:35,813 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-04-26 18:39:35,813 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-04-26 18:39:35,813 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-04-26 18:39:35,813 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-04-26 18:39:35,813 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-04-26 18:39:35,815 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 18:39:35,824 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 26 [2025-04-26 18:39:35,824 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:39:35,824 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:39:35,827 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-04-26 18:39:35,827 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-04-26 18:39:35,827 INFO L340 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-04-26 18:39:35,827 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 18:39:35,829 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 26 [2025-04-26 18:39:35,829 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:39:35,829 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:39:35,829 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-04-26 18:39:35,829 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-04-26 18:39:35,834 INFO L752 eck$LassoCheckResult]: Stem: "[69] $Ultimate##0-->L72: Formula: (= v_x_1 0) InVars {} OutVars{x=v_x_1} AuxVars[] AssignedVars[x]" "[71] L72-->L73: Formula: (= v_y_5 0) InVars {} OutVars{y=v_y_5} AuxVars[] AssignedVars[y]" "[70] L73-->L76: Formula: (= v_i_1 0) InVars {} OutVars{i=v_i_1} AuxVars[] AssignedVars[i]" "[90] L76-->L25: Formula: (and (= v_T2Thread1of1ForFork0_thidvar0_2 2) (= v_T2Thread1of1ForFork0_thidvar1_2 2)) InVars {} OutVars{T2Thread1of1ForFork0_thidvar1=v_T2Thread1of1ForFork0_thidvar1_2, T2Thread1of1ForFork0_thidvar0=v_T2Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[T2Thread1of1ForFork0_thidvar1, T2Thread1of1ForFork0_thidvar0]" [2025-04-26 18:39:35,834 INFO L754 eck$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 18:39:35,838 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:39:35,838 INFO L85 PathProgramCache]: Analyzing trace with hash 3049591, now seen corresponding path program 1 times [2025-04-26 18:39:35,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:39:35,843 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135892005] [2025-04-26 18:39:35,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:39:35,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:39:35,885 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 18:39:35,890 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 18:39:35,891 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:35,891 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:35,891 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:39:35,895 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 18:39:35,896 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 18:39:35,896 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:35,896 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:35,910 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:39:35,915 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:39:35,915 INFO L85 PathProgramCache]: Analyzing trace with hash 116, now seen corresponding path program 1 times [2025-04-26 18:39:35,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:39:35,915 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087285974] [2025-04-26 18:39:35,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:39:35,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:39:35,919 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-04-26 18:39:35,926 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-04-26 18:39:35,926 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:35,926 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:35,927 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:39:35,928 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-04-26 18:39:35,929 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-04-26 18:39:35,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:35,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:35,933 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:39:35,934 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:39:35,935 INFO L85 PathProgramCache]: Analyzing trace with hash 94537406, now seen corresponding path program 1 times [2025-04-26 18:39:35,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:39:35,935 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983497035] [2025-04-26 18:39:35,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:39:35,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:39:35,938 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 18:39:35,941 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 18:39:35,941 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:35,941 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:35,941 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:39:35,945 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 18:39:35,947 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 18:39:35,947 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:35,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:35,952 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:39:36,051 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:39:36,051 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:39:36,052 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:39:36,052 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:39:36,052 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 18:39:36,052 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:36,052 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:39:36,052 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:39:36,052 INFO L132 ssoRankerPreferences]: Filename of dumped script: sum-print2.bpl_petrified1_Iteration1_Lasso [2025-04-26 18:39:36,052 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:39:36,052 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:39:36,082 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:36,090 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:36,093 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:36,109 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:36,197 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:39:36,199 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 18:39:36,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:36,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:36,202 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 18:39:36,204 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 18:39:36,205 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 18:39:36,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:39:36,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:39:36,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:39:36,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:39:36,221 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:39:36,222 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:39:36,226 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:39:36,232 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2025-04-26 18:39:36,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:36,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:36,234 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 18:39:36,235 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 18:39:36,236 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 18:39:36,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:39:36,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:39:36,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:39:36,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:39:36,248 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:39:36,248 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:39:36,252 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:39:36,258 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2025-04-26 18:39:36,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:36,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:36,260 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 18:39:36,260 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 18:39:36,261 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 18:39:36,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:39:36,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:39:36,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:39:36,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:39:36,278 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:39:36,278 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:39:36,288 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 18:39:36,316 INFO L436 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2025-04-26 18:39:36,317 INFO L437 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2025-04-26 18:39:36,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:36,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:36,325 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 18:39:36,338 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 18:39:36,342 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 18:39:36,363 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 18:39:36,364 INFO L439 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-04-26 18:39:36,364 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 18:39:36,364 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, i) = 1*N - 1*i Supporting invariants [] [2025-04-26 18:39:36,370 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 18:39:36,372 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 18:39:36,389 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:39:36,398 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 18:39:36,400 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 18:39:36,400 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:36,400 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:39:36,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 18:39:36,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:39:36,414 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-04-26 18:39:36,415 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-04-26 18:39:36,415 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:36,415 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:39:36,416 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 18:39:36,416 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:39:36,420 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 18:39:36,432 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 18:39:36,434 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 18:39:36,490 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 18:39:36,494 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 18:39:36,497 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 18:39:36,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33 transitions. [2025-04-26 18:39:36,502 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 3 states and 33 transitions. Stem has 4 letters. Loop has 1 letters. [2025-04-26 18:39:36,503 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:39:36,503 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 3 states and 33 transitions. Stem has 5 letters. Loop has 1 letters. [2025-04-26 18:39:36,503 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:39:36,503 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 3 states and 33 transitions. Stem has 4 letters. Loop has 2 letters. [2025-04-26 18:39:36,503 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:39:36,504 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 178 transitions. [2025-04-26 18:39:36,507 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 18 [2025-04-26 18:39:36,513 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 66 states and 121 transitions. [2025-04-26 18:39:36,514 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2025-04-26 18:39:36,514 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 47 [2025-04-26 18:39:36,514 INFO L74 IsDeterministic]: Start isDeterministic. Operand 66 states and 121 transitions. [2025-04-26 18:39:36,514 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 18:39:36,516 INFO L218 hiAutomatonCegarLoop]: Abstraction has 66 states and 121 transitions. [2025-04-26 18:39:36,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states and 121 transitions. [2025-04-26 18:39:36,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 55. [2025-04-26 18:39:36,531 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 18:39:36,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 107 transitions. [2025-04-26 18:39:36,532 INFO L240 hiAutomatonCegarLoop]: Abstraction has 55 states and 107 transitions. [2025-04-26 18:39:36,533 INFO L438 stractBuchiCegarLoop]: Abstraction has 55 states and 107 transitions. [2025-04-26 18:39:36,533 INFO L340 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-04-26 18:39:36,533 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 55 states and 107 transitions. [2025-04-26 18:39:36,534 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 18 [2025-04-26 18:39:36,534 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:39:36,534 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:39:36,535 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-26 18:39:36,535 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-04-26 18:39:36,535 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] $Ultimate##0-->L54-2: Formula: (= v_k_1 0) InVars {} OutVars{k=v_k_1} AuxVars[] AssignedVars[k]" "[86] L38-->T3EXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]" [2025-04-26 18:39:36,535 INFO L754 eck$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 18:39:36,535 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:39:36,535 INFO L85 PathProgramCache]: Analyzing trace with hash -813524884, now seen corresponding path program 1 times [2025-04-26 18:39:36,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:39:36,536 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588050836] [2025-04-26 18:39:36,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:39:36,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:39:36,538 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-04-26 18:39:36,540 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-26 18:39:36,540 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:36,540 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:36,540 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:39:36,541 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-04-26 18:39:36,542 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-26 18:39:36,543 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:36,543 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:36,544 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:39:36,544 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:39:36,545 INFO L85 PathProgramCache]: Analyzing trace with hash 3265125, now seen corresponding path program 1 times [2025-04-26 18:39:36,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:39:36,545 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366289077] [2025-04-26 18:39:36,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:39:36,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:39:36,547 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 18:39:36,550 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 18:39:36,550 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:36,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:36,550 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:39:36,551 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 18:39:36,552 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 18:39:36,552 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:36,552 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:36,554 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:39:36,554 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:39:36,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1567867568, now seen corresponding path program 1 times [2025-04-26 18:39:36,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:39:36,554 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690905703] [2025-04-26 18:39:36,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:39:36,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:39:36,557 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-04-26 18:39:36,560 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-04-26 18:39:36,560 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:36,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:36,560 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:39:36,561 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-04-26 18:39:36,564 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-04-26 18:39:36,564 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:36,564 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:36,566 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:39:36,663 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:39:36,663 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:39:36,663 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:39:36,663 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:39:36,663 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 18:39:36,663 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:36,664 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:39:36,664 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:39:36,664 INFO L132 ssoRankerPreferences]: Filename of dumped script: sum-print2.bpl_petrified1_Iteration2_Lasso [2025-04-26 18:39:36,664 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:39:36,664 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:39:36,665 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:36,669 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:36,671 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:36,674 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:36,677 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:36,680 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:36,683 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:36,685 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:36,688 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:36,691 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:36,693 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:36,697 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:36,818 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:39:36,818 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 18:39:36,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:36,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:36,822 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 18:39:36,824 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 18:39:36,825 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 18:39:36,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:39:36,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:39:36,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:39:36,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:39:36,837 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:39:36,837 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:39:36,843 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:39:36,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2025-04-26 18:39:36,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:36,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:36,852 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 18:39:36,853 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 18:39:36,854 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 18:39:36,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:39:36,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:39:36,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:39:36,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:39:36,865 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:39:36,865 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:39:36,868 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:39:36,873 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2025-04-26 18:39:36,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:36,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:36,875 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 18:39:36,877 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 18:39:36,878 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 18:39:36,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:39:36,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:39:36,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:39:36,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:39:36,890 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:39:36,890 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:39:36,892 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:39:36,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2025-04-26 18:39:36,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:36,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:36,900 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 18:39:36,901 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 18:39:36,903 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 18:39:36,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:39:36,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:39:36,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:39:36,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:39:36,914 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:39:36,914 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:39:36,917 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:39:36,922 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 18:39:36,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:36,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:36,925 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 18:39:36,926 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 18:39:36,927 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 18:39:36,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:39:36,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:39:36,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:39:36,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:39:36,938 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:39:36,938 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:39:36,941 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:39:36,947 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 18:39:36,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:36,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:36,949 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 18:39:36,950 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 18:39:36,951 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 18:39:36,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:39:36,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:39:36,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:39:36,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:39:36,963 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:39:36,964 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:39:36,966 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:39:36,971 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2025-04-26 18:39:36,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:36,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:36,973 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 18:39:36,974 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 18:39:36,975 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 18:39:36,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:39:36,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:39:36,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:39:36,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:39:36,986 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:39:36,986 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:39:36,989 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:39:36,994 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 18:39:36,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:36,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:36,996 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 18:39:36,998 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 18:39:36,999 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 18:39:37,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:39:37,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:39:37,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:39:37,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:39:37,010 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:39:37,010 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:39:37,013 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:39:37,019 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 18:39:37,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:37,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:37,021 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 18:39:37,022 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 18:39:37,024 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 18:39:37,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:39:37,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:39:37,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:39:37,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:39:37,035 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:39:37,035 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:39:37,038 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:39:37,043 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 18:39:37,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:37,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:37,046 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 18:39:37,047 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 18:39:37,048 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 18:39:37,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:39:37,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:39:37,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:39:37,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:39:37,060 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:39:37,060 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:39:37,063 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:39:37,068 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2025-04-26 18:39:37,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:37,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:37,070 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 18:39:37,071 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 18:39:37,072 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 18:39:37,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:39:37,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:39:37,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:39:37,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:39:37,083 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:39:37,084 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:39:37,086 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:39:37,092 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 18:39:37,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:37,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:37,094 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 18:39:37,095 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 18:39:37,096 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 18:39:37,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:39:37,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:39:37,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:39:37,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:39:37,108 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:39:37,108 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:39:37,112 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 18:39:37,118 INFO L436 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-04-26 18:39:37,119 INFO L437 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2025-04-26 18:39:37,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:37,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:37,120 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 18:39:37,122 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 18:39:37,123 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 18:39:37,140 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 18:39:37,140 INFO L439 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-04-26 18:39:37,141 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 18:39:37,141 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(k, N) = -1*k + 1*N Supporting invariants [] [2025-04-26 18:39:37,147 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 18:39:37,148 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 18:39:37,160 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:39:37,166 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-04-26 18:39:37,169 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-26 18:39:37,169 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:37,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:39:37,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 18:39:37,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:39:37,183 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 18:39:37,184 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 18:39:37,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:37,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:39:37,185 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 18:39:37,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:39:37,226 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 18:39:37,226 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 18:39:37,227 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 18:39:37,265 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 18:39:37,267 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 18:39:37,268 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 18:39:37,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 30 transitions. [2025-04-26 18:39:37,268 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 9 letters. Loop has 4 letters. [2025-04-26 18:39:37,268 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:39:37,268 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 13 letters. Loop has 4 letters. [2025-04-26 18:39:37,268 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:39:37,268 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 9 letters. Loop has 8 letters. [2025-04-26 18:39:37,268 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:39:37,269 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 117 states and 191 transitions. [2025-04-26 18:39:37,273 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 18 [2025-04-26 18:39:37,274 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 117 states to 46 states and 75 transitions. [2025-04-26 18:39:37,274 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2025-04-26 18:39:37,274 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2025-04-26 18:39:37,274 INFO L74 IsDeterministic]: Start isDeterministic. Operand 46 states and 75 transitions. [2025-04-26 18:39:37,274 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 18:39:37,274 INFO L218 hiAutomatonCegarLoop]: Abstraction has 46 states and 75 transitions. [2025-04-26 18:39:37,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 75 transitions. [2025-04-26 18:39:37,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2025-04-26 18:39:37,276 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 18:39:37,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 71 transitions. [2025-04-26 18:39:37,277 INFO L240 hiAutomatonCegarLoop]: Abstraction has 42 states and 71 transitions. [2025-04-26 18:39:37,277 INFO L438 stractBuchiCegarLoop]: Abstraction has 42 states and 71 transitions. [2025-04-26 18:39:37,277 INFO L340 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-04-26 18:39:37,277 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 71 transitions. [2025-04-26 18:39:37,279 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 18 [2025-04-26 18:39:37,279 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:39:37,279 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:39:37,279 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-26 18:39:37,279 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-04-26 18:39:37,280 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] $Ultimate##0-->L54-2: Formula: (= v_k_1 0) InVars {} OutVars{k=v_k_1} AuxVars[] AssignedVars[k]" [2025-04-26 18:39:37,280 INFO L754 eck$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 18:39:37,280 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:39:37,280 INFO L85 PathProgramCache]: Analyzing trace with hash -813533824, now seen corresponding path program 2 times [2025-04-26 18:39:37,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:39:37,280 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910888865] [2025-04-26 18:39:37,280 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-26 18:39:37,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:39:37,283 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 9 statements into 1 equivalence classes. [2025-04-26 18:39:37,289 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-26 18:39:37,289 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-26 18:39:37,289 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:37,289 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:39:37,290 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-04-26 18:39:37,291 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-26 18:39:37,291 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:37,291 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:37,292 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:39:37,293 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:39:37,293 INFO L85 PathProgramCache]: Analyzing trace with hash 3265125, now seen corresponding path program 2 times [2025-04-26 18:39:37,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:39:37,293 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846037248] [2025-04-26 18:39:37,293 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-26 18:39:37,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:39:37,296 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 4 statements into 1 equivalence classes. [2025-04-26 18:39:37,299 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 18:39:37,299 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-26 18:39:37,299 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:37,300 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:39:37,300 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 18:39:37,302 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 18:39:37,302 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:37,302 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:37,303 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:39:37,303 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:39:37,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1234210716, now seen corresponding path program 2 times [2025-04-26 18:39:37,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:39:37,303 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523635062] [2025-04-26 18:39:37,303 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-26 18:39:37,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:39:37,308 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 13 statements into 1 equivalence classes. [2025-04-26 18:39:37,313 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-04-26 18:39:37,314 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-26 18:39:37,314 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:37,314 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:39:37,315 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-04-26 18:39:37,323 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-04-26 18:39:37,323 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:37,323 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:37,327 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:39:37,409 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:39:37,410 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:39:37,410 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:39:37,410 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:39:37,410 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 18:39:37,410 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:37,410 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:39:37,410 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:39:37,410 INFO L132 ssoRankerPreferences]: Filename of dumped script: sum-print2.bpl_petrified1_Iteration3_Lasso [2025-04-26 18:39:37,410 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:39:37,410 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:39:37,411 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:37,419 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:37,421 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:37,423 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:37,425 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:37,427 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:37,439 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:37,444 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:37,447 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:37,449 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:37,454 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:37,456 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:37,571 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:39:37,571 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 18:39:37,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:37,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:37,574 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 18:39:37,576 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 18:39:37,577 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 18:39:37,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:39:37,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:39:37,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:39:37,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:39:37,588 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:39:37,588 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:39:37,591 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:39:37,600 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 18:39:37,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:37,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:37,602 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 18:39:37,602 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 18:39:37,605 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 18:39:37,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:39:37,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:39:37,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:39:37,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:39:37,616 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:39:37,616 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:39:37,620 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:39:37,625 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 18:39:37,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:37,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:37,627 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 18:39:37,629 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 18:39:37,630 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 18:39:37,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:39:37,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:39:37,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:39:37,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:39:37,642 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:39:37,642 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:39:37,644 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:39:37,650 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 18:39:37,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:37,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:37,652 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 18:39:37,653 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 18:39:37,654 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 18:39:37,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:39:37,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:39:37,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:39:37,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:39:37,665 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:39:37,665 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:39:37,668 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:39:37,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2025-04-26 18:39:37,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:37,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:37,675 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 18:39:37,676 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 18:39:37,676 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 18:39:37,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:39:37,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:39:37,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:39:37,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:39:37,687 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:39:37,687 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:39:37,690 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:39:37,695 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 18:39:37,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:37,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:37,697 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 18:39:37,698 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 18:39:37,699 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 18:39:37,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:39:37,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:39:37,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:39:37,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:39:37,710 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:39:37,710 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:39:37,714 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 18:39:37,720 INFO L436 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-04-26 18:39:37,720 INFO L437 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2025-04-26 18:39:37,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:37,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:37,723 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 18:39:37,724 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 18:39:37,725 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 18:39:37,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2025-04-26 18:39:37,741 INFO L439 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2025-04-26 18:39:37,742 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 18:39:37,742 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(k, N) = -1*k + 1*N Supporting invariants [] [2025-04-26 18:39:37,748 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2025-04-26 18:39:37,749 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 18:39:37,762 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:39:37,766 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-04-26 18:39:37,770 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-26 18:39:37,770 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:37,770 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:39:37,770 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 18:39:37,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:39:37,783 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 18:39:37,784 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 18:39:37,784 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:37,784 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:39:37,784 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 18:39:37,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:39:37,817 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 18:39:37,817 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 18:39:37,817 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 18:39:37,854 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 18:39:37,855 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 18:39:37,855 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 18:39:37,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2025-04-26 18:39:37,855 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 9 letters. Loop has 4 letters. [2025-04-26 18:39:37,855 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:39:37,856 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 13 letters. Loop has 4 letters. [2025-04-26 18:39:37,856 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:39:37,856 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 9 letters. Loop has 8 letters. [2025-04-26 18:39:37,856 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:39:37,856 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 71 states and 111 transitions. [2025-04-26 18:39:37,857 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 18:39:37,857 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 71 states to 0 states and 0 transitions. [2025-04-26 18:39:37,857 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-04-26 18:39:37,857 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-04-26 18:39:37,857 INFO L74 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-04-26 18:39:37,857 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-04-26 18:39:37,857 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 18:39:37,857 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 18:39:37,857 INFO L438 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 18:39:37,857 INFO L340 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-04-26 18:39:37,857 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-04-26 18:39:37,857 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 18:39:37,857 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-04-26 18:39:37,867 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 18:39:37,868 INFO L201 PluginConnector]: Adding new model sum-print2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.04 06:39:37 BoogieIcfgContainer [2025-04-26 18:39:37,868 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-04-26 18:39:37,868 INFO L158 Benchmark]: Toolchain (without parser) took 2567.05ms. Allocated memory was 167.8MB in the beginning and 155.2MB in the end (delta: -12.6MB). Free memory was 94.7MB in the beginning and 86.3MB in the end (delta: 8.4MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 18:39:37,868 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.83ms. Allocated memory is still 167.8MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 18:39:37,869 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.41ms. Allocated memory is still 167.8MB. Free memory was 94.7MB in the beginning and 92.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 18:39:37,869 INFO L158 Benchmark]: Boogie Preprocessor took 27.41ms. Allocated memory is still 167.8MB. Free memory was 92.7MB in the beginning and 91.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 18:39:37,869 INFO L158 Benchmark]: RCFGBuilder took 182.07ms. Allocated memory is still 167.8MB. Free memory was 91.7MB in the beginning and 80.9MB in the end (delta: 10.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-04-26 18:39:37,869 INFO L158 Benchmark]: BuchiAutomizer took 2312.24ms. Allocated memory was 167.8MB in the beginning and 155.2MB in the end (delta: -12.6MB). Free memory was 80.8MB in the beginning and 86.3MB in the end (delta: -5.5MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 18:39:37,870 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 0.83ms. Allocated memory is still 167.8MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.41ms. Allocated memory is still 167.8MB. Free memory was 94.7MB in the beginning and 92.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 27.41ms. Allocated memory is still 167.8MB. Free memory was 92.7MB in the beginning and 91.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 182.07ms. Allocated memory is still 167.8MB. Free memory was 91.7MB in the beginning and 80.9MB in the end (delta: 10.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 2312.24ms. Allocated memory was 167.8MB in the beginning and 155.2MB in the end (delta: -12.6MB). Free memory was 80.8MB in the beginning and 86.3MB in the end (delta: -5.5MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 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, 62 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 59 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 84 IncrementalHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 27 mSDtfsCounter, 84 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: 26ms 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]: 166, 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 18:39:37,881 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...