/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/weaver-benchmarks/generated/mult-comm.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-a4216cd-m [2025-04-26 18:39:47,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-26 18:39:47,225 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/Termination.epf [2025-04-26 18:39:47,231 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-26 18:39:47,231 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-26 18:39:47,231 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Check unreachability of error function in SV-COMP mode [2025-04-26 18:39:47,231 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Translation Mode: [2025-04-26 18:39:47,251 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-26 18:39:47,251 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-26 18:39:47,251 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-26 18:39:47,252 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-26 18:39:47,252 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-26 18:39:47,252 INFO L153 SettingsManager]: * Use SBE=true [2025-04-26 18:39:47,252 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-04-26 18:39:47,252 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-04-26 18:39:47,252 INFO L153 SettingsManager]: * Use old map elimination=false [2025-04-26 18:39:47,252 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-04-26 18:39:47,252 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-04-26 18:39:47,252 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-04-26 18:39:47,252 INFO L153 SettingsManager]: * Automaton type for concurrent programs=PARTIAL_ORDER_BA [2025-04-26 18:39:47,252 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-26 18:39:47,252 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-04-26 18:39:47,252 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-26 18:39:47,253 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-26 18:39:47,253 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-26 18:39:47,253 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-26 18:39:47,253 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-04-26 18:39:47,253 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-04-26 18:39:47,253 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-04-26 18:39:47,253 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-26 18:39:47,253 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-26 18:39:47,253 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-04-26 18:39:47,253 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-26 18:39:47,253 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-26 18:39:47,253 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-26 18:39:47,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 18:39:47,253 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-26 18:39:47,255 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-26 18:39:47,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-26 18:39:47,255 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-26 18:39:47,255 INFO L153 SettingsManager]: * Use conditional POR in concurrent analysis=false [2025-04-26 18:39:47,255 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-04-26 18:39:47,256 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2025-04-26 18:39:47,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-26 18:39:47,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-26 18:39:47,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-26 18:39:47,498 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-04-26 18:39:47,499 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-04-26 18:39:47,499 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/mult-comm.wvr.bpl [2025-04-26 18:39:47,500 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/mult-comm.wvr.bpl' [2025-04-26 18:39:47,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-26 18:39:47,518 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-04-26 18:39:47,519 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-26 18:39:47,519 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-26 18:39:47,519 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-26 18:39:47,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:39:47" (1/1) ... [2025-04-26 18:39:47,545 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:39:47" (1/1) ... [2025-04-26 18:39:47,550 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-04-26 18:39:47,551 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-26 18:39:47,551 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-26 18:39:47,551 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-26 18:39:47,551 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-26 18:39:47,556 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:39:47" (1/1) ... [2025-04-26 18:39:47,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:39:47" (1/1) ... [2025-04-26 18:39:47,558 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:39:47" (1/1) ... [2025-04-26 18:39:47,558 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:39:47" (1/1) ... [2025-04-26 18:39:47,559 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:39:47" (1/1) ... [2025-04-26 18:39:47,561 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:39:47" (1/1) ... [2025-04-26 18:39:47,564 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:39:47" (1/1) ... [2025-04-26 18:39:47,564 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:39:47" (1/1) ... [2025-04-26 18:39:47,565 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:39:47" (1/1) ... [2025-04-26 18:39:47,575 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-26 18:39:47,575 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-26 18:39:47,576 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-26 18:39:47,576 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-26 18:39:47,578 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:39:47" (1/1) ... [2025-04-26 18:39:47,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 18:39:47,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:47,602 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 18:39:47,606 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 18:39:47,629 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-04-26 18:39:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-26 18:39:47,629 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-26 18:39:47,629 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-04-26 18:39:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-26 18:39:47,630 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-26 18:39:47,630 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-04-26 18:39:47,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-26 18:39:47,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-26 18:39:47,630 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 18:39:47,668 INFO L234 CfgBuilder]: Building ICFG [2025-04-26 18:39:47,670 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-26 18:39:47,738 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-26 18:39:47,738 INFO L283 CfgBuilder]: Performing block encoding [2025-04-26 18:39:47,760 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-26 18:39:47,760 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-26 18:39:47,761 INFO L201 PluginConnector]: Adding new model mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 06:39:47 BoogieIcfgContainer [2025-04-26 18:39:47,761 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-26 18:39:47,761 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-04-26 18:39:47,761 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-04-26 18:39:47,768 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-04-26 18:39:47,768 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 18:39:47,768 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:39:47" (1/2) ... [2025-04-26 18:39:47,770 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64de99d and model type mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.04 06:39:47, skipping insertion in model container [2025-04-26 18:39:47,770 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 18:39:47,770 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 06:39:47" (2/2) ... [2025-04-26 18:39:47,771 INFO L376 chiAutomizerObserver]: Analyzing ICFG mult-comm.wvr.bpl [2025-04-26 18:39:47,810 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-26 18:39:47,857 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-26 18:39:47,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-26 18:39:47,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:47,859 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 18:39:47,864 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 18:39:47,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 24 places, 21 transitions, 56 flow [2025-04-26 18:39:47,936 INFO L116 PetriNetUnfolderBase]: 2/17 cut-off events. [2025-04-26 18:39:47,939 INFO L117 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-04-26 18:39:47,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26 conditions, 17 events. 2/17 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 14 event pairs, 0 based on Foata normal form. 0/14 useless extension candidates. Maximal degree in co-relation 11. Up to 2 conditions per place. [2025-04-26 18:39:47,944 INFO L82 GeneralOperation]: Start removeDead. Operand has 24 places, 21 transitions, 56 flow [2025-04-26 18:39:47,947 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 22 places, 17 transitions, 46 flow [2025-04-26 18:39:47,948 INFO L84 lAbstractionProvider]: Constructed initial Petri net abstraction that has has 22 places, 17 transitions, 46 flow [2025-04-26 18:39:47,948 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 22 places, 17 transitions, 46 flow [2025-04-26 18:39:47,961 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 31 states, 29 states have (on average 1.896551724137931) internal successors, (in total 55), 30 states have internal predecessors, (55), 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 18:39:47,961 INFO L171 actionProvider$Eager]: Constructed initial Büchi automaton abstraction (from Petri net) that has 31 states, 29 states have (on average 1.896551724137931) internal successors, (in total 55), 30 states have internal predecessors, (55), 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 18:39:47,964 INFO L135 AmpleReduction]: Starting ample reduction [2025-04-26 18:39:47,988 WARN L140 AmpleReduction]: Number of pruned transitions: 10 [2025-04-26 18:39:47,988 WARN L141 AmpleReduction]: Loop nodes with "changing loop node status": 0 [2025-04-26 18:39:47,988 WARN L142 AmpleReduction]: Number of trivial sets caused by loops: 6 [2025-04-26 18:39:47,988 WARN L143 AmpleReduction]: Number of not loop caused trivial ample sets:15 [2025-04-26 18:39:47,988 WARN L144 AmpleReduction]: Number of initially assigned non-trivial ample sets:9 [2025-04-26 18:39:47,988 WARN L145 AmpleReduction]: Times succ was already a loop node:10 [2025-04-26 18:39:47,988 WARN L146 AmpleReduction]: Times some other node on the cycle already had a trivial ample set:1 [2025-04-26 18:39:47,988 INFO L149 AmpleReduction]: Finished ample reduction [2025-04-26 18:39:47,989 INFO L136 dAbstractionProvider]: Constructed initial ample set-reduced NBA abstraction that has 31 states, 29 states have (on average 1.5517241379310345) internal successors, (in total 45), 30 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:39:47,995 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-04-26 18:39:47,995 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-04-26 18:39:47,995 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-04-26 18:39:47,995 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-04-26 18:39:47,995 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-04-26 18:39:47,995 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-04-26 18:39:47,995 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-04-26 18:39:47,995 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-04-26 18:39:47,997 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 31 states, 29 states have (on average 1.5517241379310345) internal successors, (in total 45), 30 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:39:48,006 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 16 [2025-04-26 18:39:48,006 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:39:48,007 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:39:48,009 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-04-26 18:39:48,010 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-04-26 18:39:48,010 INFO L340 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-04-26 18:39:48,010 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 31 states, 29 states have (on average 1.5517241379310345) internal successors, (in total 45), 30 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:39:48,011 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 16 [2025-04-26 18:39:48,011 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:39:48,011 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:39:48,011 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-04-26 18:39:48,011 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-04-26 18:39:48,015 INFO L752 eck$LassoCheckResult]: Stem: "[34] $Ultimate##0-->L45: Formula: (and (= v_x_1_3 0) (= v_x_3_1 v_x_1_3) (= v_i_1_5 v_x_1_3) (= v_i_2_5 v_x_1_3) (<= 0 v_a_4) (= v_i_3_1 v_x_1_3) (= v_x_2_3 v_x_1_3) (<= 0 v_b_4)) InVars {a=v_a_4, x_1=v_x_1_3, x_2=v_x_2_3, x_3=v_x_3_1, i_2=v_i_2_5, i_3=v_i_3_1, i_1=v_i_1_5, b=v_b_4} OutVars{a=v_a_4, x_1=v_x_1_3, x_2=v_x_2_3, x_3=v_x_3_1, i_2=v_i_2_5, i_3=v_i_3_1, i_1=v_i_1_5, b=v_b_4} AuxVars[] AssignedVars[]" "[54] L45-->L23-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" [2025-04-26 18:39:48,015 INFO L754 eck$LassoCheckResult]: Loop: "[45] L23-1-->L23: Formula: (< v_i_1_1 v_b_1) InVars {i_1=v_i_1_1, b=v_b_1} OutVars{i_1=v_i_1_1, b=v_b_1} AuxVars[] AssignedVars[]" "[47] L23-->L23-1: Formula: (and (= v_x_1_5 (+ v_a_5 v_x_1_6)) (= (+ v_i_1_7 1) v_i_1_6)) InVars {x_1=v_x_1_6, a=v_a_5, i_1=v_i_1_7} OutVars{x_1=v_x_1_5, a=v_a_5, i_1=v_i_1_6} AuxVars[] AssignedVars[x_1, i_1]" [2025-04-26 18:39:48,020 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:39:48,020 INFO L85 PathProgramCache]: Analyzing trace with hash 2069, now seen corresponding path program 1 times [2025-04-26 18:39:48,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:39:48,026 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232422159] [2025-04-26 18:39:48,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:39:48,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:39:48,069 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:39:48,077 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:39:48,078 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:48,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:48,078 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:39:48,081 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:39:48,084 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:39:48,084 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:48,084 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:48,094 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:39:48,099 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:39:48,099 INFO L85 PathProgramCache]: Analyzing trace with hash 2403, now seen corresponding path program 1 times [2025-04-26 18:39:48,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:39:48,099 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881489040] [2025-04-26 18:39:48,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:39:48,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:39:48,103 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:39:48,109 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:39:48,109 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:48,109 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:48,109 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:39:48,111 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:39:48,114 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:39:48,114 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:48,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:48,115 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:39:48,116 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:39:48,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1989751, now seen corresponding path program 1 times [2025-04-26 18:39:48,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:39:48,116 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5403308] [2025-04-26 18:39:48,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:39:48,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:39:48,123 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 18:39:48,134 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 18:39:48,134 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:48,134 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:48,134 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:39:48,136 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 18:39:48,141 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 18:39:48,141 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:48,141 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:48,146 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:39:48,203 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:39:48,204 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:39:48,204 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:39:48,204 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:39:48,204 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-04-26 18:39:48,204 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:48,204 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:39:48,204 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:39:48,204 INFO L132 ssoRankerPreferences]: Filename of dumped script: mult-comm.wvr.bpl_petrified1_Iteration1_Loop [2025-04-26 18:39:48,204 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:39:48,205 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:39:48,212 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:48,218 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:48,263 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:39:48,263 INFO L367 LassoAnalysis]: Checking for nontermination... [2025-04-26 18:39:48,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:48,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:48,266 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 18:39:48,268 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 18:39:48,268 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:39:48,268 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:39:48,282 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:39:48,283 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {x_1=0, a=0} Honda state: {x_1=0, a=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 18:39:48,288 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 18:39:48,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:48,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:48,290 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 18:39:48,291 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 18:39:48,317 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:39:48,318 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:39:48,338 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 18:39:48,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:48,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:48,341 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 18:39:48,342 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 18:39:48,344 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 18:39:48,344 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:39:48,415 INFO L407 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-04-26 18:39:48,420 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 18:39:48,420 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:39:48,420 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:39:48,420 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:39:48,420 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:39:48,420 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 18:39:48,420 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:48,420 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:39:48,420 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:39:48,420 INFO L132 ssoRankerPreferences]: Filename of dumped script: mult-comm.wvr.bpl_petrified1_Iteration1_Loop [2025-04-26 18:39:48,420 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:39:48,421 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:39:48,421 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:48,427 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:48,458 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:39:48,461 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 18:39:48,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:48,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:48,464 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 18:39:48,466 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 18:39:48,467 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 18:39:48,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:39:48,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 18:39:48,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:39:48,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:39:48,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:39:48,484 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 18:39:48,484 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 18:39:48,486 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:39:48,492 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 18:39:48,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:48,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:48,495 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 18:39:48,498 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 18:39:48,498 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 18:39:48,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:39:48,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 18:39:48,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:39:48,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:39:48,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:39:48,510 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 18:39:48,510 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 18:39:48,515 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 18:39:48,519 INFO L436 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-04-26 18:39:48,519 INFO L437 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-04-26 18:39:48,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:48,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:48,543 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 18:39:48,545 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 18:39:48,545 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 18:39:48,548 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 18:39:48,548 INFO L439 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-04-26 18:39:48,548 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 18:39:48,549 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(b, i_1) = 1*b - 1*i_1 Supporting invariants [] [2025-04-26 18:39:48,554 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 18:39:48,557 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 18:39:48,596 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:39:48,602 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:39:48,607 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:39:48,607 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:48,607 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:39:48,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 18:39:48,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:39:48,617 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:39:48,619 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:39:48,619 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:48,619 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:39:48,619 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 18:39:48,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:39:48,640 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 18:39:48,666 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-04-26 18:39:48,668 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 31 states, 29 states have (on average 1.5517241379310345) internal successors, (in total 45), 30 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (in total 4), 3 states have internal predecessors, (4), 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 18:39:48,751 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 31 states, 29 states have (on average 1.5517241379310345) internal successors, (in total 45), 30 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (in total 4), 3 states have internal predecessors, (4), 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 65 states and 100 transitions. Complement of second has 7 states. [2025-04-26 18:39:48,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-04-26 18:39:48,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (in total 4), 3 states have internal predecessors, (4), 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 18:39:48,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2025-04-26 18:39:48,766 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 2 letters. Loop has 2 letters. [2025-04-26 18:39:48,767 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:39:48,767 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 4 letters. Loop has 2 letters. [2025-04-26 18:39:48,767 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:39:48,767 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 2 letters. Loop has 4 letters. [2025-04-26 18:39:48,767 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:39:48,768 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 100 transitions. [2025-04-26 18:39:48,770 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2025-04-26 18:39:48,772 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 21 states and 32 transitions. [2025-04-26 18:39:48,773 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2025-04-26 18:39:48,773 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2025-04-26 18:39:48,774 INFO L74 IsDeterministic]: Start isDeterministic. Operand 21 states and 32 transitions. [2025-04-26 18:39:48,774 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 18:39:48,774 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 32 transitions. [2025-04-26 18:39:48,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 32 transitions. [2025-04-26 18:39:48,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2025-04-26 18:39:48,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (in total 29), 18 states have internal predecessors, (29), 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 18:39:48,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 29 transitions. [2025-04-26 18:39:48,790 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 29 transitions. [2025-04-26 18:39:48,790 INFO L438 stractBuchiCegarLoop]: Abstraction has 19 states and 29 transitions. [2025-04-26 18:39:48,790 INFO L340 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-04-26 18:39:48,790 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 29 transitions. [2025-04-26 18:39:48,791 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2025-04-26 18:39:48,791 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:39:48,791 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:39:48,791 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-04-26 18:39:48,791 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-04-26 18:39:48,791 INFO L752 eck$LassoCheckResult]: Stem: "[34] $Ultimate##0-->L45: Formula: (and (= v_x_1_3 0) (= v_x_3_1 v_x_1_3) (= v_i_1_5 v_x_1_3) (= v_i_2_5 v_x_1_3) (<= 0 v_a_4) (= v_i_3_1 v_x_1_3) (= v_x_2_3 v_x_1_3) (<= 0 v_b_4)) InVars {a=v_a_4, x_1=v_x_1_3, x_2=v_x_2_3, x_3=v_x_3_1, i_2=v_i_2_5, i_3=v_i_3_1, i_1=v_i_1_5, b=v_b_4} OutVars{a=v_a_4, x_1=v_x_1_3, x_2=v_x_2_3, x_3=v_x_3_1, i_2=v_i_2_5, i_3=v_i_3_1, i_1=v_i_1_5, b=v_b_4} AuxVars[] AssignedVars[]" "[54] L45-->L23-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[44] L23-1-->thread1FINAL: Formula: (<= v_b_2 v_i_1_4) InVars {i_1=v_i_1_4, b=v_b_2} OutVars{i_1=v_i_1_4, b=v_b_2} AuxVars[] AssignedVars[]" "[46] thread1FINAL-->thread1EXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]" "[57] L45-1-->L34-1: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" [2025-04-26 18:39:48,792 INFO L754 eck$LassoCheckResult]: Loop: "[49] L34-1-->L34: Formula: (< v_i_2_1 v_a_2) InVars {a=v_a_2, i_2=v_i_2_1} OutVars{a=v_a_2, i_2=v_i_2_1} AuxVars[] AssignedVars[]" "[51] L34-->L34-1: Formula: (and (= v_i_2_6 (+ v_i_2_7 1)) (= v_x_2_5 (+ v_b_5 v_x_2_6))) InVars {i_2=v_i_2_7, x_2=v_x_2_6, b=v_b_5} OutVars{i_2=v_i_2_6, x_2=v_x_2_5, b=v_b_5} AuxVars[] AssignedVars[x_2, i_2]" [2025-04-26 18:39:48,792 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:39:48,792 INFO L85 PathProgramCache]: Analyzing trace with hash 61681346, now seen corresponding path program 1 times [2025-04-26 18:39:48,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:39:48,792 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591621503] [2025-04-26 18:39:48,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:39:48,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:39:48,795 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 18:39:48,797 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 18:39:48,797 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:48,797 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:48,797 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:39:48,798 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 18:39:48,804 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 18:39:48,804 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:48,804 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:48,806 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:39:48,806 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:39:48,806 INFO L85 PathProgramCache]: Analyzing trace with hash 2531, now seen corresponding path program 1 times [2025-04-26 18:39:48,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:39:48,807 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027999093] [2025-04-26 18:39:48,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:39:48,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:39:48,810 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:39:48,812 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:39:48,812 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:48,812 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:48,812 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:39:48,813 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:39:48,816 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:39:48,816 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:48,816 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:48,816 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:39:48,817 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:39:48,817 INFO L85 PathProgramCache]: Analyzing trace with hash -853767068, now seen corresponding path program 1 times [2025-04-26 18:39:48,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:39:48,817 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550975843] [2025-04-26 18:39:48,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:39:48,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:39:48,823 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-26 18:39:48,826 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-26 18:39:48,826 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:48,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:48,826 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:39:48,827 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-26 18:39:48,830 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-26 18:39:48,830 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:48,830 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:39:48,832 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:39:48,857 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:39:48,857 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:39:48,857 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:39:48,857 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:39:48,857 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-04-26 18:39:48,857 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:48,858 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:39:48,858 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:39:48,858 INFO L132 ssoRankerPreferences]: Filename of dumped script: mult-comm.wvr.bpl_petrified1_Iteration2_Loop [2025-04-26 18:39:48,858 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:39:48,858 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:39:48,858 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:48,862 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:48,889 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:39:48,889 INFO L367 LassoAnalysis]: Checking for nontermination... [2025-04-26 18:39:48,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:48,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:48,891 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 18:39:48,893 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 18:39:48,897 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:39:48,897 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:39:48,911 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:39:48,911 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {x_2=0, b=0} Honda state: {x_2=0, b=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 18:39:48,917 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 18:39:48,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:48,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:48,919 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 18:39:48,920 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 18:39:48,922 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:39:48,922 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:39:48,938 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2025-04-26 18:39:48,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:48,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:48,940 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 18:39:48,941 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 18:39:48,941 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 18:39:48,941 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:39:49,004 INFO L407 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-04-26 18:39:49,009 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2025-04-26 18:39:49,009 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:39:49,009 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:39:49,009 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:39:49,009 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:39:49,009 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 18:39:49,009 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:49,009 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:39:49,009 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:39:49,009 INFO L132 ssoRankerPreferences]: Filename of dumped script: mult-comm.wvr.bpl_petrified1_Iteration2_Loop [2025-04-26 18:39:49,010 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:39:49,010 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:39:49,010 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:49,014 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:39:49,039 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:39:49,039 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 18:39:49,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:49,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:49,041 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 18:39:49,043 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 18:39:49,044 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 18:39:49,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:39:49,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 18:39:49,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:39:49,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:39:49,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:39:49,055 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 18:39:49,055 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 18:39:49,057 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:39:49,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2025-04-26 18:39:49,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:49,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:49,065 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 18:39:49,065 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 18:39:49,066 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 18:39:49,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:39:49,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 18:39:49,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:39:49,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:39:49,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:39:49,078 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 18:39:49,078 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 18:39:49,081 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 18:39:49,084 INFO L436 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-04-26 18:39:49,084 INFO L437 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-04-26 18:39:49,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:39:49,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:39:49,086 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 18:39:49,087 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 18:39:49,088 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 18:39:49,093 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2025-04-26 18:39:49,094 INFO L439 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-04-26 18:39:49,094 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 18:39:49,094 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(a, i_2) = 1*a - 1*i_2 Supporting invariants [] [2025-04-26 18:39:49,100 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2025-04-26 18:39:49,103 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 18:39:49,115 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:39:49,119 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 18:39:49,122 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 18:39:49,122 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:49,122 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:39:49,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 18:39:49,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:39:49,132 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:39:49,133 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:39:49,133 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:39:49,133 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:39:49,133 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 18:39:49,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:39:49,147 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 18:39:49,148 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-04-26 18:39:49,148 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 29 transitions. cyclomatic complexity: 15 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (in total 7), 3 states have internal predecessors, (7), 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 18:39:49,178 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 29 transitions. cyclomatic complexity: 15. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (in total 7), 3 states have internal predecessors, (7), 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 36 states and 54 transitions. Complement of second has 6 states. [2025-04-26 18:39:49,178 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 18:39:49,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (in total 7), 3 states have internal predecessors, (7), 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 18:39:49,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2025-04-26 18:39:49,179 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 2 letters. [2025-04-26 18:39:49,179 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:39:49,179 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 7 letters. Loop has 2 letters. [2025-04-26 18:39:49,179 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:39:49,180 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 4 letters. [2025-04-26 18:39:49,180 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:39:49,180 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 54 transitions. [2025-04-26 18:39:49,180 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 18:39:49,181 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 0 states and 0 transitions. [2025-04-26 18:39:49,181 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-04-26 18:39:49,181 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-04-26 18:39:49,181 INFO L74 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-04-26 18:39:49,181 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-04-26 18:39:49,181 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 18:39:49,181 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 18:39:49,181 INFO L438 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 18:39:49,181 INFO L340 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-04-26 18:39:49,181 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-04-26 18:39:49,181 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 18:39:49,181 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-04-26 18:39:49,191 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 18:39:49,192 INFO L201 PluginConnector]: Adding new model mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.04 06:39:49 BoogieIcfgContainer [2025-04-26 18:39:49,192 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-04-26 18:39:49,193 INFO L158 Benchmark]: Toolchain (without parser) took 1675.25ms. Allocated memory was 159.4MB in the beginning and 155.2MB in the end (delta: -4.2MB). Free memory was 86.1MB in the beginning and 86.0MB in the end (delta: 49.9kB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 18:39:49,193 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 18:39:49,193 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.18ms. Allocated memory is still 159.4MB. Free memory was 86.1MB in the beginning and 84.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 18:39:49,194 INFO L158 Benchmark]: Boogie Preprocessor took 23.63ms. Allocated memory is still 159.4MB. Free memory was 84.2MB in the beginning and 83.3MB in the end (delta: 827.8kB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 18:39:49,194 INFO L158 Benchmark]: RCFGBuilder took 185.18ms. Allocated memory is still 159.4MB. Free memory was 83.3MB in the beginning and 73.9MB in the end (delta: 9.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-04-26 18:39:49,194 INFO L158 Benchmark]: BuchiAutomizer took 1431.29ms. Allocated memory was 159.4MB in the beginning and 155.2MB in the end (delta: -4.2MB). Free memory was 73.9MB in the beginning and 86.0MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 18:39:49,195 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 0.17ms. Allocated memory is still 159.4MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.18ms. Allocated memory is still 159.4MB. Free memory was 86.1MB in the beginning and 84.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 23.63ms. Allocated memory is still 159.4MB. Free memory was 84.2MB in the beginning and 83.3MB in the end (delta: 827.8kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 185.18ms. Allocated memory is still 159.4MB. Free memory was 83.3MB in the beginning and 73.9MB in the end (delta: 9.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 1431.29ms. Allocated memory was 159.4MB in the beginning and 155.2MB in the end (delta: -4.2MB). Free memory was 73.9MB in the beginning and 86.0MB in the end (delta: -12.1MB). 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 1.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34 IncrementalHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 17 mSDtfsCounter, 34 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax100 hnf100 lsp70 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf94 smp100 dnf100 smp100 tf111 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.1s InitialAbstraction: Time to compute Ample Reduction [ms]: 137, Number of transitions in reduction automaton: 45, Number of states in reduction automaton: 31, Underlying: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function b + -1 * i_1 and consists of 5 locations. One deterministic module has affine ranking function -1 * i_2 + a 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 18:39:49,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...