./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/NO_23.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-restricted-15/NO_23.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fcb42c45d403119d826fb85259664d72fd3e2539ab650f03e49f091b9d2438bf --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 07:02:26,004 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 07:02:26,064 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2025-01-10 07:02:26,068 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 07:02:26,070 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 07:02:26,090 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 07:02:26,091 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 07:02:26,091 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 07:02:26,091 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 07:02:26,091 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 07:02:26,092 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 07:02:26,092 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 07:02:26,092 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 07:02:26,092 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-01-10 07:02:26,092 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-01-10 07:02:26,092 INFO L153 SettingsManager]: * Use old map elimination=false [2025-01-10 07:02:26,092 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-01-10 07:02:26,093 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-01-10 07:02:26,093 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-01-10 07:02:26,093 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 07:02:26,093 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-01-10 07:02:26,093 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 07:02:26,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 07:02:26,093 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-01-10 07:02:26,093 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-01-10 07:02:26,093 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-01-10 07:02:26,093 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 07:02:26,093 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 07:02:26,094 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-01-10 07:02:26,094 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 07:02:26,094 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 07:02:26,094 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 07:02:26,094 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 07:02:26,094 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 07:02:26,094 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 07:02:26,094 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-01-10 07:02:26,094 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcb42c45d403119d826fb85259664d72fd3e2539ab650f03e49f091b9d2438bf [2025-01-10 07:02:26,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 07:02:26,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 07:02:26,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 07:02:26,456 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 07:02:26,456 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 07:02:26,458 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/NO_23.c [2025-01-10 07:02:27,579 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d85e78ac5/ec2f107634b84d419b6f27fd0b93f0be/FLAG8e3489a2e [2025-01-10 07:02:27,872 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 07:02:27,873 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/NO_23.c [2025-01-10 07:02:27,886 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d85e78ac5/ec2f107634b84d419b6f27fd0b93f0be/FLAG8e3489a2e [2025-01-10 07:02:27,913 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d85e78ac5/ec2f107634b84d419b6f27fd0b93f0be [2025-01-10 07:02:27,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 07:02:27,921 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 07:02:27,926 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 07:02:27,926 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 07:02:27,930 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 07:02:27,931 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:02:27" (1/1) ... [2025-01-10 07:02:27,931 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76c7032a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:27, skipping insertion in model container [2025-01-10 07:02:27,931 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:02:27" (1/1) ... [2025-01-10 07:02:27,940 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 07:02:28,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:02:28,050 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 07:02:28,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:02:28,067 INFO L204 MainTranslator]: Completed translation [2025-01-10 07:02:28,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:28 WrapperNode [2025-01-10 07:02:28,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 07:02:28,070 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 07:02:28,070 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 07:02:28,070 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 07:02:28,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:28" (1/1) ... [2025-01-10 07:02:28,077 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:28" (1/1) ... [2025-01-10 07:02:28,085 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 10 [2025-01-10 07:02:28,085 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 07:02:28,086 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 07:02:28,086 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 07:02:28,086 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 07:02:28,093 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:28" (1/1) ... [2025-01-10 07:02:28,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:28" (1/1) ... [2025-01-10 07:02:28,095 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:28" (1/1) ... [2025-01-10 07:02:28,098 INFO L175 MemorySlicer]: No memory access in input program. [2025-01-10 07:02:28,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:28" (1/1) ... [2025-01-10 07:02:28,099 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:28" (1/1) ... [2025-01-10 07:02:28,099 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:28" (1/1) ... [2025-01-10 07:02:28,100 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:28" (1/1) ... [2025-01-10 07:02:28,101 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:28" (1/1) ... [2025-01-10 07:02:28,102 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:28" (1/1) ... [2025-01-10 07:02:28,102 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:28" (1/1) ... [2025-01-10 07:02:28,103 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 07:02:28,103 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 07:02:28,104 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 07:02:28,104 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 07:02:28,104 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:28" (1/1) ... [2025-01-10 07:02:28,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:28,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:28,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:28,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-01-10 07:02:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 07:02:28,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 07:02:28,197 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 07:02:28,199 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 07:02:28,225 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2025-01-10 07:02:28,225 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 07:02:28,233 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 07:02:28,233 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-10 07:02:28,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:02:28 BoogieIcfgContainer [2025-01-10 07:02:28,234 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 07:02:28,234 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-01-10 07:02:28,238 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-01-10 07:02:28,242 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-01-10 07:02:28,243 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:02:28,243 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.01 07:02:27" (1/3) ... [2025-01-10 07:02:28,244 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ba2af7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:02:28, skipping insertion in model container [2025-01-10 07:02:28,244 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:02:28,244 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:02:28" (2/3) ... [2025-01-10 07:02:28,244 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ba2af7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:02:28, skipping insertion in model container [2025-01-10 07:02:28,244 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:02:28,244 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:02:28" (3/3) ... [2025-01-10 07:02:28,245 INFO L363 chiAutomizerObserver]: Analyzing ICFG NO_23.c [2025-01-10 07:02:28,276 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-01-10 07:02:28,276 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-01-10 07:02:28,276 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-01-10 07:02:28,276 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-01-10 07:02:28,276 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-01-10 07:02:28,276 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-01-10 07:02:28,276 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-01-10 07:02:28,276 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-01-10 07:02:28,279 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:28,296 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-01-10 07:02:28,296 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:02:28,296 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:02:28,302 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-01-10 07:02:28,303 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-01-10 07:02:28,303 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-01-10 07:02:28,307 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:28,307 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-01-10 07:02:28,307 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:02:28,307 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:02:28,308 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-01-10 07:02:28,308 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-01-10 07:02:28,317 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0;" [2025-01-10 07:02:28,317 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < 100;" "assume main_~i~0#1 < 50;main_~i~0#1 := 51;" [2025-01-10 07:02:28,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:28,330 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2025-01-10 07:02:28,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:28,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382520420] [2025-01-10 07:02:28,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:02:28,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:28,407 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:02:28,408 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:02:28,408 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:28,409 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:28,409 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:28,411 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:02:28,412 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:02:28,412 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:28,412 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:28,426 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:02:28,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:28,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1156, now seen corresponding path program 1 times [2025-01-10 07:02:28,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:28,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964157698] [2025-01-10 07:02:28,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:02:28,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:28,431 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:02:28,432 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:02:28,432 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:28,432 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:28,434 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:28,437 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:02:28,438 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:02:28,438 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:28,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:28,439 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:02:28,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:28,442 INFO L85 PathProgramCache]: Analyzing trace with hash 925638, now seen corresponding path program 1 times [2025-01-10 07:02:28,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:28,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949493857] [2025-01-10 07:02:28,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:02:28,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:28,445 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:02:28,449 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:02:28,449 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:28,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:28,450 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:28,451 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:02:28,455 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:02:28,455 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:28,455 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:28,456 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:02:28,515 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:02:28,516 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:02:28,516 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:02:28,516 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:02:28,517 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-01-10 07:02:28,517 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:28,517 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:02:28,517 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:02:28,517 INFO L132 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration1_Loop [2025-01-10 07:02:28,517 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:02:28,517 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:02:28,527 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:28,537 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:28,542 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:28,606 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:02:28,607 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-01-10 07:02:28,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:28,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:28,610 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:28,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2025-01-10 07:02:28,613 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:02:28,613 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:28,635 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-01-10 07:02:28,635 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-01-10 07:02:28,642 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2025-01-10 07:02:28,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:28,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:28,645 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:28,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-01-10 07:02:28,648 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:02:28,648 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:28,678 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-01-10 07:02:28,679 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-01-10 07:02:28,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:28,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:28,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:28,693 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:28,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-01-10 07:02:28,696 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:02:28,696 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:28,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:28,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:28,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:28,740 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:28,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-01-10 07:02:28,743 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-01-10 07:02:28,743 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:28,771 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-01-10 07:02:28,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:28,775 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:02:28,775 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:02:28,775 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:02:28,775 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:02:28,775 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-01-10 07:02:28,775 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:28,776 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:02:28,776 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:02:28,776 INFO L132 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration1_Loop [2025-01-10 07:02:28,776 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:02:28,776 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:02:28,777 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:28,781 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:28,784 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:28,816 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:02:28,819 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-01-10 07:02:28,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:28,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:28,823 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:28,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-01-10 07:02:28,826 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 [2025-01-10 07:02:28,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:28,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:28,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:28,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:02:28,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-01-10 07:02:28,843 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-01-10 07:02:28,847 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:28,853 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2025-01-10 07:02:28,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:28,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:28,856 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:28,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-01-10 07:02:28,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:02:28,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:28,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:28,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:28,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:02:28,871 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-01-10 07:02:28,871 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-01-10 07:02:28,875 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:28,880 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2025-01-10 07:02:28,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:28,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:28,883 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:28,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-01-10 07:02:28,886 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 [2025-01-10 07:02:28,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:28,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:02:28,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:28,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:28,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:02:28,897 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:02:28,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:02:28,900 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-01-10 07:02:28,903 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-01-10 07:02:28,905 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-01-10 07:02:28,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:28,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:28,910 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:28,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-01-10 07:02:28,913 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-01-10 07:02:28,913 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-01-10 07:02:28,913 INFO L474 LassoAnalysis]: Proved termination. [2025-01-10 07:02:28,914 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 50 Supporting invariants [] [2025-01-10 07:02:28,920 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2025-01-10 07:02:28,925 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-01-10 07:02:28,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:28,955 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:02:28,956 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:02:28,956 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:28,956 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:28,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 07:02:28,957 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:28,964 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:02:28,965 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:02:28,965 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:28,965 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:28,965 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 07:02:28,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:28,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:02:28,987 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 [2025-01-10 07:02:28,989 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:29,012 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 17 transitions. Complement of second has 5 states. [2025-01-10 07:02:29,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-01-10 07:02:29,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:29,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2025-01-10 07:02:29,021 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 2 letters. Loop has 2 letters. [2025-01-10 07:02:29,021 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:29,021 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 4 letters. Loop has 2 letters. [2025-01-10 07:02:29,021 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:29,021 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 2 letters. Loop has 4 letters. [2025-01-10 07:02:29,021 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:29,022 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 17 transitions. [2025-01-10 07:02:29,022 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-01-10 07:02:29,024 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 8 states and 11 transitions. [2025-01-10 07:02:29,024 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2025-01-10 07:02:29,025 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2025-01-10 07:02:29,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2025-01-10 07:02:29,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-01-10 07:02:29,025 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2025-01-10 07:02:29,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2025-01-10 07:02:29,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2025-01-10 07:02:29,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:29,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2025-01-10 07:02:29,040 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2025-01-10 07:02:29,041 INFO L432 stractBuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2025-01-10 07:02:29,041 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-01-10 07:02:29,041 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. [2025-01-10 07:02:29,041 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-01-10 07:02:29,041 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:02:29,041 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:02:29,041 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-01-10 07:02:29,042 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-01-10 07:02:29,042 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 100;" "assume !(main_~i~0#1 < 50);main_~i~0#1 := 49;" [2025-01-10 07:02:29,042 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < 100;" "assume main_~i~0#1 < 50;main_~i~0#1 := 51;" [2025-01-10 07:02:29,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:29,042 INFO L85 PathProgramCache]: Analyzing trace with hash 925640, now seen corresponding path program 1 times [2025-01-10 07:02:29,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:29,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301326541] [2025-01-10 07:02:29,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:02:29,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:29,045 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:02:29,046 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:02:29,046 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:29,047 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:29,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:02:29,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:02:29,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301326541] [2025-01-10 07:02:29,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301326541] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 07:02:29,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 07:02:29,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 07:02:29,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526856622] [2025-01-10 07:02:29,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 07:02:29,076 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-01-10 07:02:29,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:29,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1156, now seen corresponding path program 2 times [2025-01-10 07:02:29,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:29,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13550754] [2025-01-10 07:02:29,077 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 07:02:29,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:29,079 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:02:29,080 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:02:29,080 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 07:02:29,080 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:29,080 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:29,081 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:02:29,082 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:02:29,082 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:29,082 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:29,082 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:02:29,098 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:02:29,099 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:02:29,099 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:02:29,099 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:02:29,099 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-01-10 07:02:29,099 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:29,099 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:02:29,099 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:02:29,099 INFO L132 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration2_Loop [2025-01-10 07:02:29,099 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:02:29,099 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:02:29,100 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:29,103 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:29,106 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:29,136 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:02:29,136 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-01-10 07:02:29,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:29,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:29,138 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:29,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-01-10 07:02:29,141 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:02:29,141 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:29,159 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-01-10 07:02:29,159 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-01-10 07:02:29,164 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2025-01-10 07:02:29,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:29,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:29,168 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:29,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-01-10 07:02:29,171 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:02:29,171 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:29,188 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-01-10 07:02:29,189 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-01-10 07:02:29,198 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:29,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:29,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:29,200 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:29,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-01-10 07:02:29,203 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:02:29,203 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:29,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:29,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:29,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:29,228 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:29,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-01-10 07:02:29,231 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-01-10 07:02:29,231 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:29,258 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-01-10 07:02:29,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:29,262 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:02:29,262 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:02:29,262 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:02:29,262 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:02:29,262 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-01-10 07:02:29,262 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:29,262 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:02:29,262 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:02:29,262 INFO L132 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration2_Loop [2025-01-10 07:02:29,262 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:02:29,262 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:02:29,264 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:29,279 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:29,282 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:29,311 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:02:29,312 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-01-10 07:02:29,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:29,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:29,318 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:29,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-01-10 07:02:29,320 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 [2025-01-10 07:02:29,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:29,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:29,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:29,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:02:29,332 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-01-10 07:02:29,332 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-01-10 07:02:29,335 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:29,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:29,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:29,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:29,343 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:29,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2025-01-10 07:02:29,346 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 [2025-01-10 07:02:29,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:29,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:29,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:29,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:02:29,358 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-01-10 07:02:29,358 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-01-10 07:02:29,365 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:29,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:29,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:29,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:29,373 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:29,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2025-01-10 07:02:29,375 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 [2025-01-10 07:02:29,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:29,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:02:29,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:29,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:29,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:02:29,386 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:02:29,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:02:29,388 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-01-10 07:02:29,390 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-01-10 07:02:29,391 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-01-10 07:02:29,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:29,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:29,393 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:29,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2025-01-10 07:02:29,395 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-01-10 07:02:29,395 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-01-10 07:02:29,395 INFO L474 LassoAnalysis]: Proved termination. [2025-01-10 07:02:29,395 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 50 Supporting invariants [] [2025-01-10 07:02:29,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:29,401 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-01-10 07:02:29,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:29,415 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:02:29,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:02:29,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:29,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:29,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 07:02:29,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:29,423 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:02:29,423 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:02:29,423 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:29,424 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:29,424 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 07:02:29,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:29,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:02:29,426 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 [2025-01-10 07:02:29,427 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:29,438 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 17 transitions. Complement of second has 5 states. [2025-01-10 07:02:29,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-01-10 07:02:29,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:29,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2025-01-10 07:02:29,440 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. [2025-01-10 07:02:29,441 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:29,441 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2025-01-10 07:02:29,441 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:29,441 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 4 letters. [2025-01-10 07:02:29,441 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:29,441 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 17 transitions. [2025-01-10 07:02:29,441 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-01-10 07:02:29,441 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 17 transitions. [2025-01-10 07:02:29,441 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2025-01-10 07:02:29,441 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2025-01-10 07:02:29,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 17 transitions. [2025-01-10 07:02:29,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-01-10 07:02:29,442 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 17 transitions. [2025-01-10 07:02:29,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 17 transitions. [2025-01-10 07:02:29,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2025-01-10 07:02:29,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:29,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 17 transitions. [2025-01-10 07:02:29,445 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 17 transitions. [2025-01-10 07:02:29,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:02:29,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 07:02:29,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 07:02:29,447 INFO L87 Difference]: Start difference. First operand 12 states and 17 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:29,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:02:29,455 INFO L93 Difference]: Finished difference Result 14 states and 18 transitions. [2025-01-10 07:02:29,455 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 18 transitions. [2025-01-10 07:02:29,455 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-01-10 07:02:29,455 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 13 states and 17 transitions. [2025-01-10 07:02:29,455 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2025-01-10 07:02:29,456 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2025-01-10 07:02:29,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2025-01-10 07:02:29,456 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-01-10 07:02:29,456 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2025-01-10 07:02:29,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2025-01-10 07:02:29,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2025-01-10 07:02:29,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:29,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2025-01-10 07:02:29,457 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2025-01-10 07:02:29,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 07:02:29,458 INFO L432 stractBuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2025-01-10 07:02:29,458 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-01-10 07:02:29,458 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2025-01-10 07:02:29,458 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2025-01-10 07:02:29,458 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:02:29,458 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:02:29,458 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1] [2025-01-10 07:02:29,459 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-01-10 07:02:29,459 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 100;" "assume main_~i~0#1 < 50;main_~i~0#1 := 51;" "assume main_~i~0#1 < 100;" "assume !(main_~i~0#1 < 50);main_~i~0#1 := 49;" "assume main_~i~0#1 < 100;" "assume !(main_~i~0#1 < 50);main_~i~0#1 := 49;" [2025-01-10 07:02:29,459 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < 100;" "assume main_~i~0#1 < 50;main_~i~0#1 := 51;" [2025-01-10 07:02:29,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:29,459 INFO L85 PathProgramCache]: Analyzing trace with hash 147829008, now seen corresponding path program 1 times [2025-01-10 07:02:29,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:29,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100293346] [2025-01-10 07:02:29,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:02:29,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:29,462 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 07:02:29,463 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 07:02:29,463 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:29,463 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:29,478 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 07:02:29,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:02:29,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100293346] [2025-01-10 07:02:29,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100293346] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 07:02:29,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 07:02:29,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 07:02:29,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027383965] [2025-01-10 07:02:29,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 07:02:29,478 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-01-10 07:02:29,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:29,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1156, now seen corresponding path program 3 times [2025-01-10 07:02:29,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:29,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704099332] [2025-01-10 07:02:29,479 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 07:02:29,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:29,481 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:02:29,481 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:02:29,481 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-01-10 07:02:29,481 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:29,481 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:29,482 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:02:29,482 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:02:29,483 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:29,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:29,483 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:02:29,496 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:02:29,496 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:02:29,496 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:02:29,496 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:02:29,496 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-01-10 07:02:29,496 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:29,497 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:02:29,497 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:02:29,497 INFO L132 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration3_Loop [2025-01-10 07:02:29,497 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:02:29,497 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:02:29,497 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:29,502 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:29,504 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:29,529 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:02:29,529 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-01-10 07:02:29,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:29,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:29,531 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:29,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2025-01-10 07:02:29,536 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:02:29,536 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:29,558 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:29,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:29,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:29,560 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:29,578 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-01-10 07:02:29,578 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:29,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2025-01-10 07:02:29,585 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:29,591 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2025-01-10 07:02:29,608 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-01-10 07:02:29,612 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2025-01-10 07:02:29,613 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:02:29,613 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:02:29,613 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:02:29,613 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:02:29,613 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-01-10 07:02:29,613 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:29,613 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:02:29,613 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:02:29,613 INFO L132 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration3_Loop [2025-01-10 07:02:29,613 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:02:29,613 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:02:29,614 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:29,619 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:29,621 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:29,644 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:02:29,644 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-01-10 07:02:29,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:29,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:29,646 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:29,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2025-01-10 07:02:29,651 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 [2025-01-10 07:02:29,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:29,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:02:29,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:29,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:29,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:02:29,662 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:02:29,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:02:29,664 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-01-10 07:02:29,666 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-01-10 07:02:29,666 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-01-10 07:02:29,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:29,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:29,670 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:29,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2025-01-10 07:02:29,676 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-01-10 07:02:29,676 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-01-10 07:02:29,676 INFO L474 LassoAnalysis]: Proved termination. [2025-01-10 07:02:29,676 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 50 Supporting invariants [] [2025-01-10 07:02:29,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:29,683 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-01-10 07:02:29,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:29,695 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 07:02:29,697 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 07:02:29,697 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:29,697 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:29,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 07:02:29,698 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:29,707 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:02:29,708 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:02:29,708 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:29,708 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:29,708 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 07:02:29,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:29,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:02:29,710 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 [2025-01-10 07:02:29,711 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 16 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:29,717 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 16 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 20 transitions. Complement of second has 5 states. [2025-01-10 07:02:29,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-01-10 07:02:29,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:29,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2025-01-10 07:02:29,718 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 8 letters. Loop has 2 letters. [2025-01-10 07:02:29,718 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:29,718 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-01-10 07:02:29,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:29,729 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 07:02:29,731 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 07:02:29,731 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:29,731 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:29,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 07:02:29,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:29,740 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:02:29,741 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:02:29,741 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:29,741 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:29,741 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 07:02:29,741 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:29,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:02:29,744 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2025-01-10 07:02:29,744 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 16 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:29,749 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 16 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 20 transitions. Complement of second has 5 states. [2025-01-10 07:02:29,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-01-10 07:02:29,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:29,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2025-01-10 07:02:29,750 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 8 letters. Loop has 2 letters. [2025-01-10 07:02:29,750 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:29,750 INFO L689 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2025-01-10 07:02:29,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:29,762 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 07:02:29,764 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 07:02:29,764 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:29,764 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:29,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 07:02:29,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:29,774 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:02:29,775 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:02:29,775 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:29,775 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:02:29,776 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 07:02:29,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:02:29,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:02:29,786 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2025-01-10 07:02:29,787 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 16 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:29,799 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 16 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 23 transitions. Complement of second has 4 states. [2025-01-10 07:02:29,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-01-10 07:02:29,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:29,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2025-01-10 07:02:29,804 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 8 letters. Loop has 2 letters. [2025-01-10 07:02:29,805 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:29,805 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 10 letters. Loop has 2 letters. [2025-01-10 07:02:29,805 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:29,805 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 8 letters. Loop has 4 letters. [2025-01-10 07:02:29,805 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:02:29,805 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 23 transitions. [2025-01-10 07:02:29,806 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2025-01-10 07:02:29,806 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 14 states and 19 transitions. [2025-01-10 07:02:29,806 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2025-01-10 07:02:29,806 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2025-01-10 07:02:29,806 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 19 transitions. [2025-01-10 07:02:29,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-01-10 07:02:29,806 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2025-01-10 07:02:29,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 19 transitions. [2025-01-10 07:02:29,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 7. [2025-01-10 07:02:29,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:29,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2025-01-10 07:02:29,807 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2025-01-10 07:02:29,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:02:29,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 07:02:29,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 07:02:29,812 INFO L87 Difference]: Start difference. First operand 7 states and 9 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:29,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:02:29,823 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2025-01-10 07:02:29,823 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2025-01-10 07:02:29,824 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2025-01-10 07:02:29,824 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 8 states and 9 transitions. [2025-01-10 07:02:29,824 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2025-01-10 07:02:29,824 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2025-01-10 07:02:29,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 9 transitions. [2025-01-10 07:02:29,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-01-10 07:02:29,824 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 9 transitions. [2025-01-10 07:02:29,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 9 transitions. [2025-01-10 07:02:29,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 6. [2025-01-10 07:02:29,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:02:29,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2025-01-10 07:02:29,825 INFO L240 hiAutomatonCegarLoop]: Abstraction has 6 states and 7 transitions. [2025-01-10 07:02:29,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 07:02:29,831 INFO L432 stractBuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2025-01-10 07:02:29,831 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-01-10 07:02:29,831 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2025-01-10 07:02:29,832 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2025-01-10 07:02:29,832 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:02:29,832 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:02:29,832 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-01-10 07:02:29,832 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1] [2025-01-10 07:02:29,832 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0;" [2025-01-10 07:02:29,832 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < 100;" "assume main_~i~0#1 < 50;main_~i~0#1 := 51;" "assume main_~i~0#1 < 100;" "assume !(main_~i~0#1 < 50);main_~i~0#1 := 49;" [2025-01-10 07:02:29,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:29,832 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2025-01-10 07:02:29,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:29,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900269672] [2025-01-10 07:02:29,832 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 07:02:29,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:29,834 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:02:29,842 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:02:29,842 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 07:02:29,842 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:29,842 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:29,843 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:02:29,844 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:02:29,844 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:29,844 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:29,844 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:02:29,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:29,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1111113, now seen corresponding path program 1 times [2025-01-10 07:02:29,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:29,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19027494] [2025-01-10 07:02:29,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:02:29,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:29,854 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:02:29,855 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:02:29,855 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:29,855 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:29,855 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:29,859 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:02:29,860 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:02:29,860 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:29,860 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:29,861 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:02:29,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:29,861 INFO L85 PathProgramCache]: Analyzing trace with hash 889538315, now seen corresponding path program 2 times [2025-01-10 07:02:29,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:29,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942701556] [2025-01-10 07:02:29,861 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 07:02:29,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:29,868 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 6 statements into 2 equivalence classes. [2025-01-10 07:02:29,869 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 07:02:29,869 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 07:02:29,869 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:29,870 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:29,870 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 07:02:29,871 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 07:02:29,871 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:29,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:29,876 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:02:29,947 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:02:29,947 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:02:29,947 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:02:29,947 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:02:29,947 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-01-10 07:02:29,947 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:29,947 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:02:29,947 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:02:29,947 INFO L132 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration4_Lasso [2025-01-10 07:02:29,947 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:02:29,947 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:02:29,948 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:29,970 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:29,977 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:29,984 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:30,065 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:02:30,065 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-01-10 07:02:30,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:30,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:30,067 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:30,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2025-01-10 07:02:30,069 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:02:30,069 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:30,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2025-01-10 07:02:30,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:30,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:30,088 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:30,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2025-01-10 07:02:30,090 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-01-10 07:02:30,090 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:02:30,112 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-01-10 07:02:30,116 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2025-01-10 07:02:30,116 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:02:30,117 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:02:30,117 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:02:30,117 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:02:30,117 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-01-10 07:02:30,117 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:30,117 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:02:30,117 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:02:30,117 INFO L132 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration4_Lasso [2025-01-10 07:02:30,117 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:02:30,117 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:02:30,118 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:30,126 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:30,127 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:30,129 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:02:30,163 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:02:30,163 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-01-10 07:02:30,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:30,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:30,165 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:30,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2025-01-10 07:02:30,168 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 [2025-01-10 07:02:30,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:30,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:30,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:30,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:02:30,180 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-01-10 07:02:30,180 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-01-10 07:02:30,184 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:30,191 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2025-01-10 07:02:30,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:30,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:30,196 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:30,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2025-01-10 07:02:30,199 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 [2025-01-10 07:02:30,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:30,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:02:30,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:30,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:30,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:02:30,209 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:02:30,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:02:30,211 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:30,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:30,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:30,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:30,218 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:30,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2025-01-10 07:02:30,221 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 [2025-01-10 07:02:30,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:30,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:30,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:30,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:02:30,232 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-01-10 07:02:30,232 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-01-10 07:02:30,235 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:30,244 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2025-01-10 07:02:30,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:30,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:30,246 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:30,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2025-01-10 07:02:30,249 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 [2025-01-10 07:02:30,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:30,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:30,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:30,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:02:30,261 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-01-10 07:02:30,261 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-01-10 07:02:30,263 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:30,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:30,269 INFO L451 LassoAnalysis]: Using template '2-nested'. [2025-01-10 07:02:30,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:30,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:30,271 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:30,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2025-01-10 07:02:30,274 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 [2025-01-10 07:02:30,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:30,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:30,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:30,285 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2025-01-10 07:02:30,287 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2025-01-10 07:02:30,287 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2025-01-10 07:02:30,292 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:30,301 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2025-01-10 07:02:30,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:30,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:30,309 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:30,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2025-01-10 07:02:30,310 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 [2025-01-10 07:02:30,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:30,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:02:30,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:30,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:30,331 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2025-01-10 07:02:30,332 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2025-01-10 07:02:30,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:02:30,333 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:30,341 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2025-01-10 07:02:30,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:30,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:30,346 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:30,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2025-01-10 07:02:30,351 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 [2025-01-10 07:02:30,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:30,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:30,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:30,362 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2025-01-10 07:02:30,364 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2025-01-10 07:02:30,364 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2025-01-10 07:02:30,368 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:30,375 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2025-01-10 07:02:30,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:30,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:30,377 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:30,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2025-01-10 07:02:30,380 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 [2025-01-10 07:02:30,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:30,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:30,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:30,391 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2025-01-10 07:02:30,393 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2025-01-10 07:02:30,393 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2025-01-10 07:02:30,397 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:30,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:30,405 INFO L451 LassoAnalysis]: Using template '3-nested'. [2025-01-10 07:02:30,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:30,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:30,410 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:30,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2025-01-10 07:02:30,412 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 [2025-01-10 07:02:30,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:30,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:30,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:30,423 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2025-01-10 07:02:30,427 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2025-01-10 07:02:30,427 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2025-01-10 07:02:30,434 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:30,440 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2025-01-10 07:02:30,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:30,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:30,442 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:30,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2025-01-10 07:02:30,445 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 [2025-01-10 07:02:30,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:30,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:02:30,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:30,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:30,455 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2025-01-10 07:02:30,456 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2025-01-10 07:02:30,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:02:30,457 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:30,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2025-01-10 07:02:30,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:30,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:30,465 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:30,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2025-01-10 07:02:30,467 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 [2025-01-10 07:02:30,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:30,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:30,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:30,477 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2025-01-10 07:02:30,483 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2025-01-10 07:02:30,484 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2025-01-10 07:02:30,493 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:30,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2025-01-10 07:02:30,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:30,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:30,510 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:30,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2025-01-10 07:02:30,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-01-10 07:02:30,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:30,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:30,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:30,522 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2025-01-10 07:02:30,529 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2025-01-10 07:02:30,529 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2025-01-10 07:02:30,534 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:30,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2025-01-10 07:02:30,541 INFO L451 LassoAnalysis]: Using template '4-nested'. [2025-01-10 07:02:30,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:30,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:30,543 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:30,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2025-01-10 07:02:30,550 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 [2025-01-10 07:02:30,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:30,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:30,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:30,561 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2025-01-10 07:02:30,565 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2025-01-10 07:02:30,565 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2025-01-10 07:02:30,571 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:30,577 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2025-01-10 07:02:30,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:30,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:30,579 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:30,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2025-01-10 07:02:30,582 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 [2025-01-10 07:02:30,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:30,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:02:30,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:30,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:30,592 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2025-01-10 07:02:30,593 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2025-01-10 07:02:30,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:02:30,594 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:30,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:30,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:30,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:30,602 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:30,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2025-01-10 07:02:30,605 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 [2025-01-10 07:02:30,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:30,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:30,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:30,615 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2025-01-10 07:02:30,618 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2025-01-10 07:02:30,618 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2025-01-10 07:02:30,625 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:30,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:30,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:30,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:30,634 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:30,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2025-01-10 07:02:30,637 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 [2025-01-10 07:02:30,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:02:30,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:30,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:30,647 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2025-01-10 07:02:30,649 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2025-01-10 07:02:30,649 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2025-01-10 07:02:30,654 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:30,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:30,660 INFO L451 LassoAnalysis]: Using template '2-phase'. [2025-01-10 07:02:30,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:30,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:30,662 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:30,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2025-01-10 07:02:30,667 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 [2025-01-10 07:02:30,678 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:02:30,678 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2025-01-10 07:02:30,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:30,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:30,678 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2025-01-10 07:02:30,680 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2025-01-10 07:02:30,680 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2025-01-10 07:02:30,686 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:30,692 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:30,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:30,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:30,696 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:30,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2025-01-10 07:02:30,698 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 [2025-01-10 07:02:30,708 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:02:30,709 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2025-01-10 07:02:30,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:02:30,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:30,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:30,709 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2025-01-10 07:02:30,709 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2025-01-10 07:02:30,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:02:30,711 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:30,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:30,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:30,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:30,719 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:30,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2025-01-10 07:02:30,721 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 [2025-01-10 07:02:30,731 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:02:30,731 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2025-01-10 07:02:30,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:30,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:30,731 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2025-01-10 07:02:30,733 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2025-01-10 07:02:30,733 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2025-01-10 07:02:30,737 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:30,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:30,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:30,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:30,749 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:30,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2025-01-10 07:02:30,753 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 [2025-01-10 07:02:30,766 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:02:30,766 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2025-01-10 07:02:30,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:30,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:30,766 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2025-01-10 07:02:30,769 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2025-01-10 07:02:30,769 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2025-01-10 07:02:30,775 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:30,784 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2025-01-10 07:02:30,784 INFO L451 LassoAnalysis]: Using template '3-phase'. [2025-01-10 07:02:30,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:30,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:30,787 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:30,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2025-01-10 07:02:30,789 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 [2025-01-10 07:02:30,798 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:02:30,799 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2025-01-10 07:02:30,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:30,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:30,799 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2025-01-10 07:02:30,807 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2025-01-10 07:02:30,807 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2025-01-10 07:02:30,815 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:30,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2025-01-10 07:02:30,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:30,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:30,824 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:30,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2025-01-10 07:02:30,827 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 [2025-01-10 07:02:30,837 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:02:30,837 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2025-01-10 07:02:30,838 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:02:30,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:30,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:30,838 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2025-01-10 07:02:30,838 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2025-01-10 07:02:30,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:02:30,841 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:30,850 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2025-01-10 07:02:30,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:30,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:30,852 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:30,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2025-01-10 07:02:30,855 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 [2025-01-10 07:02:30,865 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:02:30,866 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2025-01-10 07:02:30,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:30,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:30,866 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2025-01-10 07:02:30,868 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2025-01-10 07:02:30,868 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2025-01-10 07:02:30,873 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:30,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2025-01-10 07:02:30,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:30,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:30,884 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:30,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2025-01-10 07:02:30,886 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 [2025-01-10 07:02:30,897 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:02:30,897 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2025-01-10 07:02:30,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:30,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:30,897 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2025-01-10 07:02:30,899 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2025-01-10 07:02:30,899 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2025-01-10 07:02:30,904 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:30,909 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2025-01-10 07:02:30,910 INFO L451 LassoAnalysis]: Using template '4-phase'. [2025-01-10 07:02:30,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:30,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:30,912 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:30,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2025-01-10 07:02:30,914 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 [2025-01-10 07:02:30,925 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:02:30,925 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2025-01-10 07:02:30,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:30,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:30,925 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2025-01-10 07:02:30,928 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2025-01-10 07:02:30,929 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2025-01-10 07:02:30,940 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:30,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:30,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:30,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:30,948 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:30,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2025-01-10 07:02:30,983 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 [2025-01-10 07:02:30,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:30,995 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:02:30,995 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2025-01-10 07:02:30,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:02:30,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:30,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:30,995 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2025-01-10 07:02:30,996 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2025-01-10 07:02:30,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:02:30,999 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:31,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:31,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:31,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:31,006 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:31,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2025-01-10 07:02:31,012 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 [2025-01-10 07:02:31,023 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:02:31,024 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2025-01-10 07:02:31,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:31,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:31,024 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2025-01-10 07:02:31,027 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2025-01-10 07:02:31,027 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2025-01-10 07:02:31,033 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:31,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:31,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:31,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:31,041 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:31,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2025-01-10 07:02:31,044 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 [2025-01-10 07:02:31,055 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:02:31,055 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2025-01-10 07:02:31,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:31,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:31,055 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2025-01-10 07:02:31,058 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2025-01-10 07:02:31,058 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2025-01-10 07:02:31,065 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:31,072 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2025-01-10 07:02:31,072 INFO L451 LassoAnalysis]: Using template '2-lex'. [2025-01-10 07:02:31,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:31,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:31,074 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:31,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2025-01-10 07:02:31,077 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 [2025-01-10 07:02:31,087 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:02:31,087 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2025-01-10 07:02:31,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:31,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:31,087 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2025-01-10 07:02:31,090 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2025-01-10 07:02:31,090 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2025-01-10 07:02:31,097 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:31,104 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:31,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:31,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:31,106 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:31,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2025-01-10 07:02:31,108 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 [2025-01-10 07:02:31,118 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:02:31,118 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2025-01-10 07:02:31,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:02:31,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:31,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:31,119 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2025-01-10 07:02:31,119 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2025-01-10 07:02:31,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:02:31,121 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:31,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:31,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:31,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:31,129 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:31,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2025-01-10 07:02:31,131 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 [2025-01-10 07:02:31,140 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:02:31,141 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2025-01-10 07:02:31,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:31,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:31,141 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2025-01-10 07:02:31,143 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2025-01-10 07:02:31,143 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2025-01-10 07:02:31,147 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:31,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:31,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:31,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:31,156 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:31,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2025-01-10 07:02:31,158 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 [2025-01-10 07:02:31,167 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:02:31,168 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2025-01-10 07:02:31,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:31,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:31,174 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2025-01-10 07:02:31,179 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2025-01-10 07:02:31,180 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2025-01-10 07:02:31,187 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:31,200 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2025-01-10 07:02:31,200 INFO L451 LassoAnalysis]: Using template '3-lex'. [2025-01-10 07:02:31,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:31,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:31,202 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:31,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2025-01-10 07:02:31,205 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 [2025-01-10 07:02:31,216 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:02:31,216 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2025-01-10 07:02:31,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:31,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:31,216 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2025-01-10 07:02:31,219 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2025-01-10 07:02:31,219 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2025-01-10 07:02:31,231 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:31,236 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:31,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:31,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:31,241 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:31,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2025-01-10 07:02:31,243 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 [2025-01-10 07:02:31,253 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:02:31,254 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2025-01-10 07:02:31,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:02:31,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:31,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:31,254 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2025-01-10 07:02:31,255 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-01-10 07:02:31,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:02:31,257 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:31,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:31,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:31,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:31,265 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:31,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2025-01-10 07:02:31,269 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 [2025-01-10 07:02:31,279 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:02:31,279 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2025-01-10 07:02:31,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:31,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:31,280 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2025-01-10 07:02:31,282 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2025-01-10 07:02:31,282 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2025-01-10 07:02:31,288 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:31,297 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2025-01-10 07:02:31,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:02:31,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:02:31,299 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:02:31,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2025-01-10 07:02:31,302 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 [2025-01-10 07:02:31,312 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2025-01-10 07:02:31,312 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2025-01-10 07:02:31,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:02:31,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:02:31,313 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2025-01-10 07:02:31,315 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2025-01-10 07:02:31,315 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2025-01-10 07:02:31,322 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:02:31,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2025-01-10 07:02:31,328 INFO L372 stractBuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2025-01-10 07:02:31,329 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0;" "assume main_~i~0#1 < 100;" "assume main_~i~0#1 < 50;main_~i~0#1 := 51;" "assume main_~i~0#1 < 100;" "assume !(main_~i~0#1 < 50);main_~i~0#1 := 49;" [2025-01-10 07:02:31,329 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < 100;" "assume main_~i~0#1 < 50;main_~i~0#1 := 51;" "assume main_~i~0#1 < 100;" "assume !(main_~i~0#1 < 50);main_~i~0#1 := 49;" [2025-01-10 07:02:31,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:31,329 INFO L85 PathProgramCache]: Analyzing trace with hash 889538315, now seen corresponding path program 3 times [2025-01-10 07:02:31,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:31,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253029329] [2025-01-10 07:02:31,329 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 07:02:31,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:31,332 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 6 statements into 2 equivalence classes. [2025-01-10 07:02:31,334 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 07:02:31,334 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-10 07:02:31,334 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:31,334 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:31,335 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 07:02:31,336 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 07:02:31,336 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:31,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:31,336 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:02:31,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:31,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1111113, now seen corresponding path program 2 times [2025-01-10 07:02:31,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:31,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636382746] [2025-01-10 07:02:31,337 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 07:02:31,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:31,338 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 4 statements into 2 equivalence classes. [2025-01-10 07:02:31,339 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:02:31,339 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 07:02:31,339 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:31,339 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:31,340 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 07:02:31,340 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 07:02:31,340 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:31,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:31,341 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:02:31,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:02:31,341 INFO L85 PathProgramCache]: Analyzing trace with hash 329754195, now seen corresponding path program 4 times [2025-01-10 07:02:31,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:02:31,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933141304] [2025-01-10 07:02:31,341 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 07:02:31,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:02:31,343 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 10 statements into 2 equivalence classes. [2025-01-10 07:02:31,345 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 07:02:31,345 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 07:02:31,345 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:31,345 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:31,345 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 07:02:31,347 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 07:02:31,347 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:31,347 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:31,347 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:02:31,391 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 07:02:31,392 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 07:02:31,392 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:31,392 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:31,392 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:02:31,393 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 07:02:31,394 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 07:02:31,394 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:02:31,394 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:02:31,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.01 07:02:31 BoogieIcfgContainer [2025-01-10 07:02:31,408 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-01-10 07:02:31,408 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 07:02:31,409 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 07:02:31,409 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 07:02:31,409 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:02:28" (3/4) ... [2025-01-10 07:02:31,410 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-01-10 07:02:31,430 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-10 07:02:31,431 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 07:02:31,431 INFO L158 Benchmark]: Toolchain (without parser) took 3515.75ms. Allocated memory is still 167.8MB. Free memory was 132.5MB in the beginning and 93.8MB in the end (delta: 38.7MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2025-01-10 07:02:31,431 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:02:31,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 147.37ms. Allocated memory is still 167.8MB. Free memory was 132.5MB in the beginning and 122.7MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 07:02:31,432 INFO L158 Benchmark]: Boogie Procedure Inliner took 15.55ms. Allocated memory is still 167.8MB. Free memory was 122.7MB in the beginning and 121.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:02:31,432 INFO L158 Benchmark]: Boogie Preprocessor took 17.38ms. Allocated memory is still 167.8MB. Free memory was 121.7MB in the beginning and 120.8MB in the end (delta: 956.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:02:31,432 INFO L158 Benchmark]: RCFGBuilder took 130.31ms. Allocated memory is still 167.8MB. Free memory was 120.8MB in the beginning and 112.6MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 07:02:31,432 INFO L158 Benchmark]: BuchiAutomizer took 3173.69ms. Allocated memory is still 167.8MB. Free memory was 112.6MB in the beginning and 96.9MB in the end (delta: 15.8MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2025-01-10 07:02:31,433 INFO L158 Benchmark]: Witness Printer took 22.32ms. Allocated memory is still 167.8MB. Free memory was 96.1MB in the beginning and 93.8MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 07:02:31,434 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 147.37ms. Allocated memory is still 167.8MB. Free memory was 132.5MB in the beginning and 122.7MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 15.55ms. Allocated memory is still 167.8MB. Free memory was 122.7MB in the beginning and 121.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.38ms. Allocated memory is still 167.8MB. Free memory was 121.7MB in the beginning and 120.8MB in the end (delta: 956.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 130.31ms. Allocated memory is still 167.8MB. Free memory was 120.8MB in the beginning and 112.6MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3173.69ms. Allocated memory is still 167.8MB. Free memory was 112.6MB in the beginning and 96.9MB in the end (delta: 15.8MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Witness Printer took 22.32ms. Allocated memory is still 167.8MB. Free memory was 96.1MB in the beginning and 93.8MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function (((long) -1 * i) + 50) and consists of 3 locations. One deterministic module has affine ranking function (((long) -1 * i) + 50) and consists of 3 locations. One nondeterministic module has affine ranking function (((long) -1 * i) + 50) and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 4 iterations. TraceHistogramMax:3. Analysis of lassos took 2.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 10 StatesRemovedByMinimization, 3 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, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 40 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 28 mSDtfsCounter, 40 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital8 mio100 ax250 hnf100 lsp40 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf91 smp100 dnf100 smp100 tf118 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 9]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L6] int i; [L7] i = 0 VAL [i=0] [L9] COND TRUE i < 100 VAL [i=0] [L10] COND TRUE i < 50 [L10] i = 51 VAL [i=51] [L9] COND TRUE i < 100 VAL [i=51] [L10] COND FALSE !(i < 50) [L11] i = 49 VAL [i=49] Loop: [L9] COND TRUE i < 100 [L10] COND TRUE i < 50 [L10] i = 51 [L9] COND TRUE i < 100 [L10] COND FALSE !(i < 50) [L11] i = 49 End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 9]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] i = 0 VAL [i=0] [L9] COND TRUE i < 100 VAL [i=0] [L10] COND TRUE i < 50 [L10] i = 51 VAL [i=51] [L9] COND TRUE i < 100 VAL [i=51] [L10] COND FALSE !(i < 50) [L11] i = 49 VAL [i=49] Loop: [L9] COND TRUE i < 100 [L10] COND TRUE i < 50 [L10] i = 51 [L9] COND TRUE i < 100 [L10] COND FALSE !(i < 50) [L11] i = 49 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-01-10 07:02:31,449 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)