./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-bwb/or-06.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-bwb/or-06.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 9b72abe240b19c73db7df81eb3c1e8c73f60e8b6061849319c69ba408313f40b --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 14:17:33,903 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 14:17:33,966 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2025-02-08 14:17:33,971 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 14:17:33,973 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 14:17:33,973 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-08 14:17:33,992 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 14:17:33,992 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 14:17:33,992 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 14:17:33,993 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 14:17:33,993 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 14:17:33,993 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 14:17:33,993 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 14:17:33,993 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 14:17:33,993 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-08 14:17:33,993 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-08 14:17:33,993 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-08 14:17:33,993 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-08 14:17:33,993 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-08 14:17:33,993 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-08 14:17:33,993 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 14:17:33,993 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-08 14:17:33,994 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 14:17:33,994 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 14:17:33,994 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-08 14:17:33,994 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-08 14:17:33,994 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-08 14:17:33,994 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 14:17:33,994 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 14:17:33,994 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-08 14:17:33,994 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 14:17:33,994 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 14:17:33,994 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 14:17:33,994 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 14:17:33,994 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 14:17:33,994 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 14:17:33,994 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-08 14:17:33,994 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 -> 9b72abe240b19c73db7df81eb3c1e8c73f60e8b6061849319c69ba408313f40b [2025-02-08 14:17:34,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 14:17:34,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 14:17:34,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 14:17:34,241 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 14:17:34,241 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 14:17:34,242 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-bwb/or-06.c [2025-02-08 14:17:35,429 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ce07dea58/ffcc74590a0343c889aff781bf049d49/FLAG797f5fbd8 [2025-02-08 14:17:35,689 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 14:17:35,690 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-bwb/or-06.c [2025-02-08 14:17:35,697 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ce07dea58/ffcc74590a0343c889aff781bf049d49/FLAG797f5fbd8 [2025-02-08 14:17:35,996 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ce07dea58/ffcc74590a0343c889aff781bf049d49 [2025-02-08 14:17:35,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 14:17:36,004 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 14:17:36,005 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 14:17:36,005 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 14:17:36,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 14:17:36,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:17:35" (1/1) ... [2025-02-08 14:17:36,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b601451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:17:36, skipping insertion in model container [2025-02-08 14:17:36,010 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:17:35" (1/1) ... [2025-02-08 14:17:36,018 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 14:17:36,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:17:36,101 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 14:17:36,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:17:36,116 INFO L204 MainTranslator]: Completed translation [2025-02-08 14:17:36,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:17:36 WrapperNode [2025-02-08 14:17:36,117 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 14:17:36,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 14:17:36,118 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 14:17:36,118 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 14:17:36,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:17:36" (1/1) ... [2025-02-08 14:17:36,124 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:17:36" (1/1) ... [2025-02-08 14:17:36,132 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2025-02-08 14:17:36,132 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 14:17:36,133 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 14:17:36,133 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 14:17:36,133 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 14:17:36,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:17:36" (1/1) ... [2025-02-08 14:17:36,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:17:36" (1/1) ... [2025-02-08 14:17:36,138 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:17:36" (1/1) ... [2025-02-08 14:17:36,141 INFO L175 MemorySlicer]: No memory access in input program. [2025-02-08 14:17:36,141 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:17:36" (1/1) ... [2025-02-08 14:17:36,141 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:17:36" (1/1) ... [2025-02-08 14:17:36,142 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:17:36" (1/1) ... [2025-02-08 14:17:36,142 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:17:36" (1/1) ... [2025-02-08 14:17:36,142 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:17:36" (1/1) ... [2025-02-08 14:17:36,143 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:17:36" (1/1) ... [2025-02-08 14:17:36,143 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 14:17:36,144 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 14:17:36,144 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 14:17:36,144 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 14:17:36,145 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:17:36" (1/1) ... [2025-02-08 14:17:36,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:17:36,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:17:36,169 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 14:17:36,182 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 14:17:36,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 14:17:36,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 14:17:36,228 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 14:17:36,230 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 14:17:36,288 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2025-02-08 14:17:36,288 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 14:17:36,299 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 14:17:36,300 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 14:17:36,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:17:36 BoogieIcfgContainer [2025-02-08 14:17:36,300 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 14:17:36,301 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-08 14:17:36,301 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-08 14:17:36,304 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-08 14:17:36,305 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:17:36,305 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.02 02:17:35" (1/3) ... [2025-02-08 14:17:36,306 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b32d676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:17:36, skipping insertion in model container [2025-02-08 14:17:36,306 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:17:36,306 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:17:36" (2/3) ... [2025-02-08 14:17:36,306 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b32d676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.02 02:17:36, skipping insertion in model container [2025-02-08 14:17:36,306 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-08 14:17:36,306 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:17:36" (3/3) ... [2025-02-08 14:17:36,307 INFO L363 chiAutomizerObserver]: Analyzing ICFG or-06.c [2025-02-08 14:17:36,338 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-08 14:17:36,339 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-08 14:17:36,339 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-08 14:17:36,339 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-08 14:17:36,339 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-08 14:17:36,339 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-08 14:17:36,339 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-08 14:17:36,339 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-08 14:17:36,342 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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 14:17:36,351 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2025-02-08 14:17:36,352 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:17:36,352 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:17:36,354 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-02-08 14:17:36,355 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-08 14:17:36,355 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-08 14:17:36,355 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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 14:17:36,355 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2025-02-08 14:17:36,355 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:17:36,355 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:17:36,356 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-02-08 14:17:36,356 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-08 14:17:36,360 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~bitwise2#1, main_~y~0#1, main_~x~0#1;havoc main_~y~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" [2025-02-08 14:17:36,360 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0;" "assume 0 == main_~y~0#1 || main_~y~0#1 == 1 + main_~y~0#1;main_#t~bitwise2#1 := 1 + main_~y~0#1;" "main_~x~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~y~0#1 := main_~y~0#1 - main_~x~0#1;" [2025-02-08 14:17:36,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:17:36,364 INFO L85 PathProgramCache]: Analyzing trace with hash 40, now seen corresponding path program 1 times [2025-02-08 14:17:36,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:17:36,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847016063] [2025-02-08 14:17:36,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:17:36,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:17:36,409 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:17:36,411 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:17:36,411 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:17:36,411 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:17:36,411 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:17:36,413 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:17:36,413 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:17:36,413 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:17:36,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:17:36,422 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:17:36,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:17:36,424 INFO L85 PathProgramCache]: Analyzing trace with hash 37542, now seen corresponding path program 1 times [2025-02-08 14:17:36,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:17:36,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625498485] [2025-02-08 14:17:36,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:17:36,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:17:36,427 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 14:17:36,433 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 14:17:36,434 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:17:36,434 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:17:36,477 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 14:17:36,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 14:17:36,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625498485] [2025-02-08 14:17:36,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625498485] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 14:17:36,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 14:17:36,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 14:17:36,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67702586] [2025-02-08 14:17:36,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 14:17:36,482 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-08 14:17:36,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 14:17:36,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 14:17:36,504 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 14:17:36,505 INFO L87 Difference]: Start difference. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.0) 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 14:17:36,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 14:17:36,532 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2025-02-08 14:17:36,532 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 8 transitions. [2025-02-08 14:17:36,536 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2025-02-08 14:17:36,540 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 6 states and 6 transitions. [2025-02-08 14:17:36,541 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2025-02-08 14:17:36,542 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2025-02-08 14:17:36,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6 transitions. [2025-02-08 14:17:36,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-08 14:17:36,543 INFO L218 hiAutomatonCegarLoop]: Abstraction has 6 states and 6 transitions. [2025-02-08 14:17:36,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 6 transitions. [2025-02-08 14:17:36,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2025-02-08 14:17:36,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.0) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:17:36,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2025-02-08 14:17:36,559 INFO L240 hiAutomatonCegarLoop]: Abstraction has 6 states and 6 transitions. [2025-02-08 14:17:36,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 14:17:36,562 INFO L432 stractBuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2025-02-08 14:17:36,566 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-08 14:17:36,566 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 6 transitions. [2025-02-08 14:17:36,566 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2025-02-08 14:17:36,566 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-08 14:17:36,566 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-08 14:17:36,567 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-02-08 14:17:36,567 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2025-02-08 14:17:36,567 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_#t~bitwise2#1, main_~y~0#1, main_~x~0#1;havoc main_~y~0#1;havoc main_~x~0#1;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;" [2025-02-08 14:17:36,567 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0;" "assume !(0 == main_~y~0#1 || main_~y~0#1 == 1 + main_~y~0#1);" "assume !(0 == 1 + main_~y~0#1);" "havoc main_#t~bitwise2#1;assume (((((main_~y~0#1 < 0 && 1 + main_~y~0#1 >= 0) || main_#t~bitwise2#1 >= 1 + main_~y~0#1) && ((main_~y~0#1 >= 0 && 1 + main_~y~0#1 < 0) || main_#t~bitwise2#1 >= main_~y~0#1)) && ((main_~y~0#1 < 0 || 1 + main_~y~0#1 < 0) || main_#t~bitwise2#1 <= main_~y~0#1 + (1 + main_~y~0#1))) && ((main_~y~0#1 >= 0 && 1 + main_~y~0#1 >= 0) || main_#t~bitwise2#1 < 0)) && main_#t~bitwise2#1 <= 2147483647;" "main_~x~0#1 := main_#t~bitwise2#1;havoc main_#t~bitwise2#1;main_~y~0#1 := main_~y~0#1 - main_~x~0#1;" [2025-02-08 14:17:36,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:17:36,567 INFO L85 PathProgramCache]: Analyzing trace with hash 40, now seen corresponding path program 2 times [2025-02-08 14:17:36,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:17:36,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801796403] [2025-02-08 14:17:36,567 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 14:17:36,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:17:36,571 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:17:36,573 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:17:36,573 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 14:17:36,573 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:17:36,573 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:17:36,574 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:17:36,575 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:17:36,575 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:17:36,575 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:17:36,575 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:17:36,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:17:36,576 INFO L85 PathProgramCache]: Analyzing trace with hash 36231964, now seen corresponding path program 1 times [2025-02-08 14:17:36,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:17:36,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372426035] [2025-02-08 14:17:36,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:17:36,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:17:36,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 14:17:36,593 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 14:17:36,596 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:17:36,596 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:17:36,596 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:17:36,598 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 14:17:36,604 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 14:17:36,606 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:17:36,606 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:17:36,607 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:17:36,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:17:36,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1152768853, now seen corresponding path program 1 times [2025-02-08 14:17:36,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:17:36,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792124544] [2025-02-08 14:17:36,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:17:36,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:17:36,612 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 14:17:36,618 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 14:17:36,620 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:17:36,621 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:17:36,621 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:17:36,622 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 14:17:36,629 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 14:17:36,631 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:17:36,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:17:36,632 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:17:36,768 INFO L204 LassoAnalysis]: Preferences: [2025-02-08 14:17:36,768 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-08 14:17:36,769 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-08 14:17:36,769 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-08 14:17:36,769 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-08 14:17:36,769 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:17:36,769 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-08 14:17:36,770 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-08 14:17:36,770 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-06.c_Iteration2_Loop [2025-02-08 14:17:36,770 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-08 14:17:36,771 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-08 14:17:36,781 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:17:36,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:17:36,859 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-08 14:17:36,863 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-08 14:17:36,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:17:36,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:17:36,867 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 14:17:36,869 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 14:17:36,870 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-08 14:17:36,870 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-08 14:17:36,884 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-08 14:17:36,884 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~bitwise2#1=0} Honda state: {ULTIMATE.start_main_#t~bitwise2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-08 14:17:36,893 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 14:17:36,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:17:36,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:17:36,895 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 14:17:36,896 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 14:17:36,899 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-08 14:17:36,899 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-08 14:17:36,920 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 14:17:36,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:17:36,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:17:36,922 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 14:17:36,926 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 14:17:36,927 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-08 14:17:36,928 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-08 14:17:36,954 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-08 14:17:36,958 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 14:17:36,958 INFO L204 LassoAnalysis]: Preferences: [2025-02-08 14:17:36,958 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-08 14:17:36,958 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-08 14:17:36,958 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-08 14:17:36,959 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-08 14:17:36,959 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:17:36,959 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-08 14:17:36,959 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-08 14:17:36,959 INFO L132 ssoRankerPreferences]: Filename of dumped script: or-06.c_Iteration2_Loop [2025-02-08 14:17:36,959 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-08 14:17:36,959 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-08 14:17:36,960 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:17:36,964 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-08 14:17:37,015 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-08 14:17:37,018 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-08 14:17:37,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:17:37,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:17:37,023 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 14:17:37,024 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 14:17:37,025 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 14:17:37,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:17:37,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:17:37,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:17:37,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:17:37,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:17:37,039 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:17:37,039 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:17:37,041 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-08 14:17:37,048 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 14:17:37,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:17:37,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:17:37,050 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 14:17:37,051 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 14:17:37,053 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 14:17:37,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-08 14:17:37,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-08 14:17:37,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-08 14:17:37,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-08 14:17:37,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-08 14:17:37,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-08 14:17:37,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-08 14:17:37,067 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-08 14:17:37,070 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2025-02-08 14:17:37,072 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-02-08 14:17:37,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-08 14:17:37,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:17:37,075 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 14:17:37,076 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 14:17:37,076 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-08 14:17:37,077 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-08 14:17:37,077 INFO L474 LassoAnalysis]: Proved termination. [2025-02-08 14:17:37,077 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2025-02-08 14:17:37,083 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 14:17:37,085 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-08 14:17:37,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:17:37,103 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-08 14:17:37,104 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-08 14:17:37,104 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:17:37,104 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:17:37,105 WARN L254 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 14:17:37,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:17:37,110 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 14:17:37,112 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 14:17:37,112 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:17:37,113 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:17:37,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 14:17:37,113 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 14:17:37,149 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 14:17:37,151 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2025-02-08 14:17:37,152 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:17:37,189 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 11 states and 12 transitions. Complement of second has 6 states. [2025-02-08 14:17:37,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-08 14:17:37,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:17:37,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2025-02-08 14:17:37,203 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 1 letters. Loop has 5 letters. [2025-02-08 14:17:37,203 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:17:37,203 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 6 letters. Loop has 5 letters. [2025-02-08 14:17:37,203 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:17:37,203 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 1 letters. Loop has 10 letters. [2025-02-08 14:17:37,203 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-08 14:17:37,203 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 12 transitions. [2025-02-08 14:17:37,204 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-08 14:17:37,204 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. [2025-02-08 14:17:37,204 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-08 14:17:37,204 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-08 14:17:37,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-08 14:17:37,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-08 14:17:37,204 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 14:17:37,204 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 14:17:37,204 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 14:17:37,205 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-08 14:17:37,205 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-02-08 14:17:37,205 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-08 14:17:37,205 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-08 14:17:37,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.02 02:17:37 BoogieIcfgContainer [2025-02-08 14:17:37,210 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-08 14:17:37,211 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 14:17:37,211 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 14:17:37,211 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 14:17:37,212 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:17:36" (3/4) ... [2025-02-08 14:17:37,213 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-08 14:17:37,213 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 14:17:37,214 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 14:17:37,214 INFO L158 Benchmark]: Toolchain (without parser) took 1215.64ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 107.5MB in the end (delta: 4.6MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2025-02-08 14:17:37,214 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:17:37,215 INFO L158 Benchmark]: CACSL2BoogieTranslator took 112.29ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 102.1MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 14:17:37,215 INFO L158 Benchmark]: Boogie Procedure Inliner took 14.76ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 101.2MB in the end (delta: 915.4kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:17:37,215 INFO L158 Benchmark]: Boogie Preprocessor took 10.59ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 100.2MB in the end (delta: 926.3kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:17:37,215 INFO L158 Benchmark]: IcfgBuilder took 156.47ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 90.0MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 14:17:37,215 INFO L158 Benchmark]: BuchiAutomizer took 909.60ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 107.8MB in the end (delta: -18.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:17:37,216 INFO L158 Benchmark]: Witness Printer took 2.81ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 107.5MB in the end (delta: 329.2kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 14:17:37,217 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 112.29ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 102.1MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 14.76ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 101.2MB in the end (delta: 915.4kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 10.59ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 100.2MB in the end (delta: 926.3kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 156.47ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 90.0MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 909.60ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 107.8MB in the end (delta: -18.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.81ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 107.5MB in the end (delta: 329.2kB). 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function y and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 3 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 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 5 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital28 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq121 hnf97 smp100 dnf100 smp100 tf106 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s 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 14:17:37,228 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