./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-invgen/up.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 48c9605d 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/loop-invgen/up.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash ff5c10c83c8d29dcc2c2798035fa2754df224d2313ad9c91b6ee5bb6ca3d9a9f --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 14:39:45,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 14:39:45,301 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-08 14:39:45,304 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 14:39:45,305 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 14:39:45,305 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-08 14:39:45,319 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 14:39:45,319 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 14:39:45,319 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 14:39:45,320 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 14:39:45,320 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 14:39:45,320 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 14:39:45,320 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 14:39:45,320 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 14:39:45,320 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-08 14:39:45,320 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-08 14:39:45,320 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-08 14:39:45,320 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-08 14:39:45,321 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-08 14:39:45,321 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-08 14:39:45,321 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 14:39:45,321 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-08 14:39:45,321 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 14:39:45,321 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 14:39:45,321 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 14:39:45,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 14:39:45,321 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-08 14:39:45,321 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-08 14:39:45,321 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-08 14:39:45,322 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 14:39:45,322 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 14:39:45,322 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 14:39:45,322 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-08 14:39:45,322 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 14:39:45,322 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 14:39:45,322 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 14:39:45,322 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 14:39:45,322 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 14:39:45,322 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 14:39:45,323 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-08 14:39:45,323 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff5c10c83c8d29dcc2c2798035fa2754df224d2313ad9c91b6ee5bb6ca3d9a9f [2025-02-08 14:39:45,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 14:39:45,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 14:39:45,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 14:39:45,545 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 14:39:45,545 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 14:39:45,546 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/up.i [2025-02-08 14:39:46,624 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/07eae1b7d/f4237dfb86e649a1aaa5d67afb9a357c/FLAGd7ae64fbf [2025-02-08 14:39:46,831 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 14:39:46,832 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/loop-invgen/up.i [2025-02-08 14:39:46,851 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/07eae1b7d/f4237dfb86e649a1aaa5d67afb9a357c/FLAGd7ae64fbf [2025-02-08 14:39:47,198 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/07eae1b7d/f4237dfb86e649a1aaa5d67afb9a357c [2025-02-08 14:39:47,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 14:39:47,202 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 14:39:47,203 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 14:39:47,208 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 14:39:47,212 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 14:39:47,213 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:39:47" (1/1) ... [2025-02-08 14:39:47,214 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@385bc50c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:39:47, skipping insertion in model container [2025-02-08 14:39:47,214 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:39:47" (1/1) ... [2025-02-08 14:39:47,225 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 14:39:47,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:39:47,352 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 14:39:47,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:39:47,375 INFO L204 MainTranslator]: Completed translation [2025-02-08 14:39:47,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:39:47 WrapperNode [2025-02-08 14:39:47,376 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 14:39:47,377 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 14:39:47,377 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 14:39:47,377 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 14:39:47,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:39:47" (1/1) ... [2025-02-08 14:39:47,386 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:39:47" (1/1) ... [2025-02-08 14:39:47,397 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 38 [2025-02-08 14:39:47,398 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 14:39:47,399 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 14:39:47,399 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 14:39:47,399 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 14:39:47,404 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:39:47" (1/1) ... [2025-02-08 14:39:47,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:39:47" (1/1) ... [2025-02-08 14:39:47,405 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:39:47" (1/1) ... [2025-02-08 14:39:47,412 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-08 14:39:47,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:39:47" (1/1) ... [2025-02-08 14:39:47,413 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:39:47" (1/1) ... [2025-02-08 14:39:47,417 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:39:47" (1/1) ... [2025-02-08 14:39:47,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:39:47" (1/1) ... [2025-02-08 14:39:47,418 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:39:47" (1/1) ... [2025-02-08 14:39:47,419 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:39:47" (1/1) ... [2025-02-08 14:39:47,423 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 14:39:47,424 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 14:39:47,424 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 14:39:47,424 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 14:39:47,425 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:39:47" (1/1) ... [2025-02-08 14:39:47,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:39:47,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:39:47,456 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) [2025-02-08 14:39:47,461 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 [2025-02-08 14:39:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 14:39:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 14:39:47,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 14:39:47,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 14:39:47,522 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 14:39:47,523 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 14:39:47,590 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L35: havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post4#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1;main_#t~post5#1 := main_~k~0#1;main_~k~0#1 := main_#t~post5#1 - 1;havoc main_#t~post5#1; [2025-02-08 14:39:47,594 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2025-02-08 14:39:47,594 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 14:39:47,598 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 14:39:47,599 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 14:39:47,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:39:47 BoogieIcfgContainer [2025-02-08 14:39:47,599 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 14:39:47,600 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-08 14:39:47,600 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-08 14:39:47,603 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-08 14:39:47,604 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:39:47,604 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.02 02:39:47" (1/3) ... [2025-02-08 14:39:47,604 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33f33dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:39:47, skipping insertion in model container [2025-02-08 14:39:47,604 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:39:47,605 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:39:47" (2/3) ... [2025-02-08 14:39:47,605 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33f33dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:39:47, skipping insertion in model container [2025-02-08 14:39:47,605 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:39:47,605 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:39:47" (3/3) ... [2025-02-08 14:39:47,606 INFO L363 chiAutomizerObserver]: Analyzing ICFG up.i [2025-02-08 14:39:47,636 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-08 14:39:47,636 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-08 14:39:47,636 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-08 14:39:47,636 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-08 14:39:47,636 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-08 14:39:47,636 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-08 14:39:47,636 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-08 14:39:47,636 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-08 14:39:47,640 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 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) [2025-02-08 14:39:47,649 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2025-02-08 14:39:47,649 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:39:47,649 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:39:47,652 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-02-08 14:39:47,652 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-02-08 14:39:47,652 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-08 14:39:47,652 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 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) [2025-02-08 14:39:47,653 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2025-02-08 14:39:47,653 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:39:47,653 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:39:47,653 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-02-08 14:39:47,653 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-02-08 14:39:47,656 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~post4#1, main_#t~post5#1, main_~n~0#1, main_~i~0#1, main_~k~0#1, main_~j~0#1;havoc main_~n~0#1;main_~i~0#1 := 0;main_~k~0#1 := 0;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" [2025-02-08 14:39:47,657 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~n~0#1;main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;main_#t~post3#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1;" [2025-02-08 14:39:47,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:39:47,660 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2025-02-08 14:39:47,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:39:47,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877058474] [2025-02-08 14:39:47,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:39:47,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:39:47,706 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:39:47,713 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:39:47,713 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:39:47,714 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:39:47,714 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:39:47,716 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:39:47,718 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:39:47,718 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:39:47,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:39:47,727 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:39:47,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:39:47,729 INFO L85 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2025-02-08 14:39:47,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:39:47,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405766394] [2025-02-08 14:39:47,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:39:47,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:39:47,732 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:39:47,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:39:47,736 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:39:47,736 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:39:47,736 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:39:47,737 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:39:47,738 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:39:47,738 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:39:47,739 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:39:47,739 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:39:47,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:39:47,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1312, now seen corresponding path program 1 times [2025-02-08 14:39:47,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:39:47,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245736215] [2025-02-08 14:39:47,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:39:47,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:39:47,744 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:39:47,747 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:39:47,747 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:39:47,747 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:39:47,747 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:39:47,749 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:39:47,751 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:39:47,752 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:39:47,752 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:39:47,753 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:39:47,802 INFO L204 LassoAnalysis]: Preferences: [2025-02-08 14:39:47,804 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-08 14:39:47,804 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-08 14:39:47,804 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-08 14:39:47,804 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-08 14:39:47,804 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:39:47,804 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-08 14:39:47,804 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-08 14:39:47,804 INFO L132 ssoRankerPreferences]: Filename of dumped script: up.i_Iteration1_Loop [2025-02-08 14:39:47,805 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-08 14:39:47,805 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-08 14:39:47,813 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:39:47,821 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:39:47,828 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:39:47,840 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:39:47,878 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-08 14:39:47,879 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-08 14:39:47,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:39:47,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:39:47,882 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) [2025-02-08 14:39:47,884 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 [2025-02-08 14:39:47,885 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-08 14:39:47,885 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-08 14:39:47,904 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 [2025-02-08 14:39:47,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:39:47,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:39:47,907 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) [2025-02-08 14:39:47,909 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 [2025-02-08 14:39:47,909 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-08 14:39:47,909 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-08 14:39:47,937 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-08 14:39:47,937 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~k~0#1=0} Honda state: {ULTIMATE.start_main_~k~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~k~0#1=-1}, {ULTIMATE.start_main_~k~0#1=5}, {ULTIMATE.start_main_~k~0#1=-3}] Lambdas: [6, 1, 1] Nus: [1, 0] [2025-02-08 14:39:47,944 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 [2025-02-08 14:39:47,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:39:47,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:39:47,946 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) [2025-02-08 14:39:47,948 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 [2025-02-08 14:39:47,949 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-08 14:39:47,949 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-08 14:39:47,961 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-08 14:39:47,961 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post3#1=0} Honda state: {ULTIMATE.start_main_#t~post3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-08 14:39:47,967 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 [2025-02-08 14:39:47,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:39:47,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:39:47,974 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) [2025-02-08 14:39:47,978 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 [2025-02-08 14:39:47,979 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-08 14:39:47,979 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-08 14:39:47,998 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2025-02-08 14:39:47,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:39:47,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:39:48,001 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) [2025-02-08 14:39:48,002 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 [2025-02-08 14:39:48,004 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-08 14:39:48,004 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-08 14:39:48,075 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-08 14:39:48,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2025-02-08 14:39:48,081 INFO L204 LassoAnalysis]: Preferences: [2025-02-08 14:39:48,081 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-08 14:39:48,081 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-08 14:39:48,081 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-08 14:39:48,081 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-08 14:39:48,081 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:39:48,081 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-08 14:39:48,081 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-08 14:39:48,081 INFO L132 ssoRankerPreferences]: Filename of dumped script: up.i_Iteration1_Loop [2025-02-08 14:39:48,081 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-08 14:39:48,081 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-08 14:39:48,082 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:39:48,088 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:39:48,094 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:39:48,104 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:39:48,152 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-08 14:39:48,155 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-08 14:39:48,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:39:48,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:39:48,157 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) [2025-02-08 14:39:48,159 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 [2025-02-08 14:39:48,160 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 [2025-02-08 14:39:48,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:39:48,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:39:48,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:39:48,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:39:48,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:39:48,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:39:48,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:39:48,177 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:39:48,186 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 [2025-02-08 14:39:48,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:39:48,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:39:48,190 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) [2025-02-08 14:39:48,191 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 [2025-02-08 14:39:48,191 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 [2025-02-08 14:39:48,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:39:48,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:39:48,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:39:48,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:39:48,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:39:48,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:39:48,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:39:48,205 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:39:48,214 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 [2025-02-08 14:39:48,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:39:48,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:39:48,219 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) [2025-02-08 14:39:48,221 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 [2025-02-08 14:39:48,222 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 [2025-02-08 14:39:48,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:39:48,233 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:39:48,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:39:48,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:39:48,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:39:48,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:39:48,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:39:48,236 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-08 14:39:48,240 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-02-08 14:39:48,242 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-08 14:39:48,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:39:48,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:39:48,245 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) [2025-02-08 14:39:48,247 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 [2025-02-08 14:39:48,248 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-08 14:39:48,248 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-08 14:39:48,248 INFO L474 LassoAnalysis]: Proved termination. [2025-02-08 14:39:48,249 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~n~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2025-02-08 14:39:48,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2025-02-08 14:39:48,260 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-08 14:39:48,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:39:48,294 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:39:48,297 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:39:48,297 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:39:48,297 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:39:48,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 14:39:48,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:39:48,310 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:39:48,312 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:39:48,312 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:39:48,312 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:39:48,312 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 14:39:48,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:39:48,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:39:48,356 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 [2025-02-08 14:39:48,357 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 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) Second operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 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) [2025-02-08 14:39:48,396 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 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). Second operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 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 10 states and 13 transitions. Complement of second has 3 states. [2025-02-08 14:39:48,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2025-02-08 14:39:48,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 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) [2025-02-08 14:39:48,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2 transitions. [2025-02-08 14:39:48,412 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 2 transitions. Stem has 1 letters. Loop has 1 letters. [2025-02-08 14:39:48,412 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:39:48,412 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 2 transitions. Stem has 2 letters. Loop has 1 letters. [2025-02-08 14:39:48,413 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:39:48,413 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 2 transitions. Stem has 1 letters. Loop has 2 letters. [2025-02-08 14:39:48,413 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:39:48,413 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 13 transitions. [2025-02-08 14:39:48,414 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-08 14:39:48,415 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 0 states and 0 transitions. [2025-02-08 14:39:48,416 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-08 14:39:48,416 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-08 14:39:48,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-08 14:39:48,417 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-08 14:39:48,417 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 14:39:48,417 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 14:39:48,417 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 14:39:48,417 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-08 14:39:48,417 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-02-08 14:39:48,417 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-08 14:39:48,418 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-08 14:39:48,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.02 02:39:48 BoogieIcfgContainer [2025-02-08 14:39:48,426 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-08 14:39:48,426 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 14:39:48,426 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 14:39:48,426 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 14:39:48,427 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:39:47" (3/4) ... [2025-02-08 14:39:48,429 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-08 14:39:48,430 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 14:39:48,432 INFO L158 Benchmark]: Toolchain (without parser) took 1227.97ms. Allocated memory is still 142.6MB. Free memory was 112.7MB in the beginning and 46.7MB in the end (delta: 66.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2025-02-08 14:39:48,432 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:39:48,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 173.08ms. Allocated memory is still 142.6MB. Free memory was 112.3MB in the beginning and 101.7MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 14:39:48,433 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.44ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 100.7MB in the end (delta: 987.5kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:39:48,433 INFO L158 Benchmark]: Boogie Preprocessor took 24.78ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 99.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:39:48,433 INFO L158 Benchmark]: IcfgBuilder took 175.09ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 89.2MB in the end (delta: 10.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 14:39:48,434 INFO L158 Benchmark]: BuchiAutomizer took 826.08ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 47.2MB in the end (delta: 42.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-08 14:39:48,434 INFO L158 Benchmark]: Witness Printer took 3.74ms. Allocated memory is still 142.6MB. Free memory was 47.2MB in the beginning and 46.7MB in the end (delta: 492.9kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:39:48,435 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 173.08ms. Allocated memory is still 142.6MB. Free memory was 112.3MB in the beginning and 101.7MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.44ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 100.7MB in the end (delta: 987.5kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.78ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 99.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 175.09ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 89.2MB in the end (delta: 10.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 826.08ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 47.2MB in the end (delta: 42.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 3.74ms. Allocated memory is still 142.6MB. Free memory was 47.2MB in the beginning and 46.7MB in the end (delta: 492.9kB). There was no memory consumed. 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long long) -1 * i) + n) and consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 1 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax100 hnf100 lsp70 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf94 smp100 dnf100 smp100 tf111 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-02-08 14:39:48,448 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2025-02-08 14:39:48,650 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 Result: TRUE