./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/java_AG313.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-restricted-15/java_AG313.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 1aba30eccff08319e90124805f6572c72af18ec70c6e7d3c36f1ebe7fe7db059 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 14:21:36,490 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 14:21:36,558 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2025-02-08 14:21:36,564 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 14:21:36,564 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 14:21:36,564 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-08 14:21:36,580 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 14:21:36,581 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 14:21:36,581 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 14:21:36,581 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 14:21:36,582 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 14:21:36,582 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 14:21:36,582 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 14:21:36,582 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 14:21:36,582 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-08 14:21:36,582 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-08 14:21:36,583 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-08 14:21:36,583 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-08 14:21:36,583 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-08 14:21:36,583 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-08 14:21:36,583 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 14:21:36,583 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-08 14:21:36,583 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 14:21:36,583 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 14:21:36,584 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-08 14:21:36,584 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-08 14:21:36,584 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-08 14:21:36,584 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 14:21:36,584 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 14:21:36,584 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-08 14:21:36,584 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 14:21:36,584 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 14:21:36,585 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 14:21:36,585 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 14:21:36,585 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 14:21:36,585 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 14:21:36,585 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-08 14:21:36,585 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 -> 1aba30eccff08319e90124805f6572c72af18ec70c6e7d3c36f1ebe7fe7db059 [2025-02-08 14:21:36,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 14:21:36,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 14:21:36,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 14:21:36,888 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 14:21:36,888 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 14:21:36,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/java_AG313.c [2025-02-08 14:21:38,214 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2a23e3c8a/5f66312b027242a3b222f88d1fb2fff4/FLAGe75573dd4 [2025-02-08 14:21:38,440 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 14:21:38,440 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/java_AG313.c [2025-02-08 14:21:38,448 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2a23e3c8a/5f66312b027242a3b222f88d1fb2fff4/FLAGe75573dd4 [2025-02-08 14:21:38,467 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2a23e3c8a/5f66312b027242a3b222f88d1fb2fff4 [2025-02-08 14:21:38,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 14:21:38,472 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 14:21:38,474 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 14:21:38,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 14:21:38,480 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 14:21:38,480 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:21:38" (1/1) ... [2025-02-08 14:21:38,481 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bf873fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:21:38, skipping insertion in model container [2025-02-08 14:21:38,483 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:21:38" (1/1) ... [2025-02-08 14:21:38,495 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 14:21:38,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:21:38,611 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 14:21:38,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:21:38,632 INFO L204 MainTranslator]: Completed translation [2025-02-08 14:21:38,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:21:38 WrapperNode [2025-02-08 14:21:38,632 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 14:21:38,634 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 14:21:38,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 14:21:38,634 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 14:21:38,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:21:38" (1/1) ... [2025-02-08 14:21:38,642 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:21:38" (1/1) ... [2025-02-08 14:21:38,653 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2025-02-08 14:21:38,654 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 14:21:38,654 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 14:21:38,654 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 14:21:38,654 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 14:21:38,660 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:21:38" (1/1) ... [2025-02-08 14:21:38,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:21:38" (1/1) ... [2025-02-08 14:21:38,661 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:21:38" (1/1) ... [2025-02-08 14:21:38,665 INFO L175 MemorySlicer]: No memory access in input program. [2025-02-08 14:21:38,665 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:21:38" (1/1) ... [2025-02-08 14:21:38,665 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:21:38" (1/1) ... [2025-02-08 14:21:38,667 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:21:38" (1/1) ... [2025-02-08 14:21:38,668 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:21:38" (1/1) ... [2025-02-08 14:21:38,668 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:21:38" (1/1) ... [2025-02-08 14:21:38,669 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:21:38" (1/1) ... [2025-02-08 14:21:38,669 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 14:21:38,670 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 14:21:38,670 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 14:21:38,670 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 14:21:38,672 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:21:38" (1/1) ... [2025-02-08 14:21:38,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:21:38,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:21:38,704 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 14:21:38,710 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 14:21:38,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 14:21:38,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 14:21:38,787 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 14:21:38,789 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 14:21:38,862 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2025-02-08 14:21:38,865 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 14:21:38,872 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 14:21:38,874 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 14:21:38,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:21:38 BoogieIcfgContainer [2025-02-08 14:21:38,875 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 14:21:38,876 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-08 14:21:38,877 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-08 14:21:38,881 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-08 14:21:38,882 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:21:38,882 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.02 02:21:38" (1/3) ... [2025-02-08 14:21:38,884 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44498f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:21:38, skipping insertion in model container [2025-02-08 14:21:38,884 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:21:38,884 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:21:38" (2/3) ... [2025-02-08 14:21:38,885 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44498f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:21:38, skipping insertion in model container [2025-02-08 14:21:38,885 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:21:38,885 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:21:38" (3/3) ... [2025-02-08 14:21:38,886 INFO L363 chiAutomizerObserver]: Analyzing ICFG java_AG313.c [2025-02-08 14:21:38,937 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-08 14:21:38,938 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-08 14:21:38,938 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-08 14:21:38,938 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-08 14:21:38,938 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-08 14:21:38,939 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-08 14:21:38,939 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-08 14:21:38,939 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-08 14:21:38,944 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) 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) [2025-02-08 14:21:38,958 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2025-02-08 14:21:38,958 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:21:38,958 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:21:38,962 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-02-08 14:21:38,963 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-02-08 14:21:38,963 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-08 14:21:38,964 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) 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) [2025-02-08 14:21:38,964 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2025-02-08 14:21:38,964 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:21:38,965 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:21:38,965 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-02-08 14:21:38,965 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-02-08 14:21:38,971 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~x~0#1, main_~y~0#1;havoc main_~i~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~i~0#1 := 0;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume 0 != main_~x~0#1;" [2025-02-08 14:21:38,972 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~x~0#1 > 0 && main_~y~0#1 > 0;main_~i~0#1 := 1 + main_~i~0#1;main_~x~0#1 := main_~x~0#1 - 1 - (main_~y~0#1 - 1);" [2025-02-08 14:21:38,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:21:38,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1119, now seen corresponding path program 1 times [2025-02-08 14:21:38,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:21:38,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979785386] [2025-02-08 14:21:38,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:21:38,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:21:39,047 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:21:39,050 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:21:39,051 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:21:39,051 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:21:39,051 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:21:39,053 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:21:39,055 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:21:39,057 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:21:39,057 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:21:39,068 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:21:39,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:21:39,073 INFO L85 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2025-02-08 14:21:39,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:21:39,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407326948] [2025-02-08 14:21:39,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:21:39,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:21:39,076 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:21:39,082 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:21:39,083 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:21:39,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:21:39,083 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:21:39,085 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:21:39,087 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:21:39,089 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:21:39,089 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:21:39,090 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:21:39,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:21:39,095 INFO L85 PathProgramCache]: Analyzing trace with hash 34690, now seen corresponding path program 1 times [2025-02-08 14:21:39,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:21:39,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346409510] [2025-02-08 14:21:39,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:21:39,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:21:39,100 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 14:21:39,104 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 14:21:39,105 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:21:39,106 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:21:39,106 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:21:39,108 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 14:21:39,112 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 14:21:39,113 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:21:39,113 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:21:39,114 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:21:39,194 INFO L204 LassoAnalysis]: Preferences: [2025-02-08 14:21:39,194 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-08 14:21:39,195 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-08 14:21:39,195 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-08 14:21:39,195 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-08 14:21:39,195 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:21:39,195 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-08 14:21:39,195 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-08 14:21:39,195 INFO L132 ssoRankerPreferences]: Filename of dumped script: java_AG313.c_Iteration1_Loop [2025-02-08 14:21:39,195 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-08 14:21:39,195 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-08 14:21:39,205 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:21:39,218 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:21:39,224 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:21:39,233 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:21:39,319 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-08 14:21:39,319 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-08 14:21:39,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:21:39,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:21:39,324 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 14:21:39,325 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 14:21:39,326 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-08 14:21:39,326 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-08 14:21:39,349 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-08 14:21:39,349 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: [] [2025-02-08 14:21:39,355 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 14:21:39,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:21:39,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:21:39,358 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 14:21:39,359 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 14:21:39,360 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-08 14:21:39,360 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-08 14:21:39,379 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-08 14:21:39,379 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: [] [2025-02-08 14:21:39,385 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2025-02-08 14:21:39,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:21:39,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:21:39,388 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 14:21:39,389 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 14:21:39,390 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-08 14:21:39,390 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-08 14:21:39,408 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2025-02-08 14:21:39,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:21:39,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:21:39,410 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 14:21:39,411 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 14:21:39,412 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-08 14:21:39,412 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-08 14:21:39,448 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-08 14:21:39,448 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0#1=0} Honda state: {ULTIMATE.start_main_~i~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~i~0#1=-4}, {ULTIMATE.start_main_~i~0#1=-1}, {ULTIMATE.start_main_~i~0#1=6}] Lambdas: [1, 7, 1] Nus: [0, 1] [2025-02-08 14:21:39,457 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 14:21:39,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:21:39,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:21:39,460 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 14:21:39,462 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 14:21:39,463 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-08 14:21:39,463 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-08 14:21:39,486 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 [2025-02-08 14:21:39,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:21:39,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:21:39,489 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 14:21:39,492 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 14:21:39,493 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-08 14:21:39,493 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-08 14:21:39,556 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-08 14:21:39,560 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 14:21:39,560 INFO L204 LassoAnalysis]: Preferences: [2025-02-08 14:21:39,560 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-08 14:21:39,561 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-08 14:21:39,561 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-08 14:21:39,561 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-08 14:21:39,561 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:21:39,561 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-08 14:21:39,561 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-08 14:21:39,561 INFO L132 ssoRankerPreferences]: Filename of dumped script: java_AG313.c_Iteration1_Loop [2025-02-08 14:21:39,561 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-08 14:21:39,561 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-08 14:21:39,563 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:21:39,567 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:21:39,570 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:21:39,575 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:21:39,646 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-08 14:21:39,650 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-08 14:21:39,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:21:39,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:21:39,653 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 14:21:39,655 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 14:21:39,656 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 14:21:39,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:21:39,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:21:39,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:21:39,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:21:39,679 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:21:39,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:21:39,691 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:21:39,699 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 14:21:39,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:21:39,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:21:39,702 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 14:21:39,704 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 14:21:39,705 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 14:21:39,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:21:39,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:21:39,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:21:39,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:21:39,721 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-08 14:21:39,721 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-08 14:21:39,726 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:21:39,734 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 [2025-02-08 14:21:39,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:21:39,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:21:39,737 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 14:21:39,740 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 14:21:39,741 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 14:21:39,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:21:39,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:21:39,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:21:39,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:21:39,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:21:39,755 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:21:39,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:21:39,758 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:21:39,765 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 [2025-02-08 14:21:39,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:21:39,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:21:39,767 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) [2025-02-08 14:21:39,768 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 [2025-02-08 14:21:39,777 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 14:21:39,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:21:39,788 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:21:39,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:21:39,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:21:39,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:21:39,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:21:39,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:21:39,795 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-08 14:21:39,803 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-02-08 14:21:39,806 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-08 14:21:39,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:21:39,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:21:39,816 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) [2025-02-08 14:21:39,818 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 [2025-02-08 14:21:39,819 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-08 14:21:39,819 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-08 14:21:39,819 INFO L474 LassoAnalysis]: Proved termination. [2025-02-08 14:21:39,820 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2025-02-08 14:21:39,828 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2025-02-08 14:21:39,831 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-08 14:21:39,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:21:39,863 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 14:21:39,865 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 14:21:39,865 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:21:39,865 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:21:39,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 14:21:39,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:21:39,880 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:21:39,883 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:21:39,883 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:21:39,883 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:21:39,884 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 14:21:39,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:21:39,889 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 14:21:39,912 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 14:21:39,914 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 6 states, 5 states have (on average 1.4) 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) Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 14:21:39,940 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 6 states, 5 states have (on average 1.4) 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). Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 11 transitions. Complement of second has 3 states. [2025-02-08 14:21:39,942 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 14:21:39,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 14:21:39,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 6 transitions. [2025-02-08 14:21:39,952 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 2 letters. Loop has 1 letters. [2025-02-08 14:21:39,953 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:21:39,954 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 3 letters. Loop has 1 letters. [2025-02-08 14:21:39,954 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:21:39,954 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 2 letters. Loop has 2 letters. [2025-02-08 14:21:39,954 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:21:39,955 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 11 transitions. [2025-02-08 14:21:39,956 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-08 14:21:39,957 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 0 states and 0 transitions. [2025-02-08 14:21:39,958 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-08 14:21:39,959 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-08 14:21:39,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-08 14:21:39,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-08 14:21:39,959 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 14:21:39,960 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 14:21:39,960 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 14:21:39,960 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-08 14:21:39,960 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-02-08 14:21:39,960 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-08 14:21:39,960 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-08 14:21:39,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.02 02:21:39 BoogieIcfgContainer [2025-02-08 14:21:39,971 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-08 14:21:39,972 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 14:21:39,972 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 14:21:39,972 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 14:21:39,973 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:21:38" (3/4) ... [2025-02-08 14:21:39,976 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-08 14:21:39,977 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 14:21:39,979 INFO L158 Benchmark]: Toolchain (without parser) took 1506.61ms. Allocated memory is still 142.6MB. Free memory was 112.8MB in the beginning and 43.5MB in the end (delta: 69.3MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2025-02-08 14:21:39,980 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:21:39,980 INFO L158 Benchmark]: CACSL2BoogieTranslator took 159.68ms. Allocated memory is still 142.6MB. Free memory was 112.8MB in the beginning and 102.7MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 14:21:39,981 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.87ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 101.7MB in the end (delta: 982.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:21:39,981 INFO L158 Benchmark]: Boogie Preprocessor took 15.14ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 101.2MB in the end (delta: 510.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:21:39,985 INFO L158 Benchmark]: IcfgBuilder took 205.58ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 91.3MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 14:21:39,985 INFO L158 Benchmark]: BuchiAutomizer took 1094.90ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 43.5MB in the end (delta: 47.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-02-08 14:21:39,985 INFO L158 Benchmark]: Witness Printer took 5.72ms. Allocated memory is still 142.6MB. Free memory is still 43.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:21:39,987 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 159.68ms. Allocated memory is still 142.6MB. Free memory was 112.8MB in the beginning and 102.7MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.87ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 101.7MB in the end (delta: 982.6kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.14ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 101.2MB in the end (delta: 510.7kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 205.58ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 91.3MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1094.90ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 43.5MB in the end (delta: 47.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 5.72ms. Allocated memory is still 142.6MB. Free memory is still 43.5MB. 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 x and consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. 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, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 5 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, 5 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax166 hnf100 lsp43 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf111 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 40ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s 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 14:21:40,003 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2025-02-08 14:21:40,205 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