./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/PastaB14.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/PastaB14.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 07f4699c371f295a25887a3f67dc54332a57ae32b5b342f10fdc7ddcf36f265e --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-15 00:11:45,821 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 00:11:45,893 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-15 00:11:45,901 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 00:11:45,902 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 00:11:45,930 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 00:11:45,931 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 00:11:45,932 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 00:11:45,932 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 00:11:45,934 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 00:11:45,935 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 00:11:45,935 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 00:11:45,936 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 00:11:45,936 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-15 00:11:45,936 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-15 00:11:45,936 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-15 00:11:45,937 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-15 00:11:45,937 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-15 00:11:45,937 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-15 00:11:45,937 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 00:11:45,938 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-15 00:11:45,938 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 00:11:45,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 00:11:45,939 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-15 00:11:45,939 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-15 00:11:45,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-15 00:11:45,940 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 00:11:45,940 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-15 00:11:45,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 00:11:45,941 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-15 00:11:45,941 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 00:11:45,942 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 00:11:45,942 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 00:11:45,942 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-15 00:11:45,943 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-15 00:11:45,943 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-15 00:11:45,944 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07f4699c371f295a25887a3f67dc54332a57ae32b5b342f10fdc7ddcf36f265e [2024-10-15 00:11:46,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 00:11:46,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 00:11:46,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 00:11:46,249 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 00:11:46,250 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 00:11:46,251 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/PastaB14.c [2024-10-15 00:11:47,733 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 00:11:47,915 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 00:11:47,915 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/PastaB14.c [2024-10-15 00:11:47,923 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf9fd69b1/e38fe63a0a944469a4a362bc81b3ac0c/FLAG7587d9024 [2024-10-15 00:11:48,314 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf9fd69b1/e38fe63a0a944469a4a362bc81b3ac0c [2024-10-15 00:11:48,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 00:11:48,318 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-15 00:11:48,319 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 00:11:48,319 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 00:11:48,325 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 00:11:48,325 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:11:48" (1/1) ... [2024-10-15 00:11:48,328 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cec6f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:48, skipping insertion in model container [2024-10-15 00:11:48,328 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:11:48" (1/1) ... [2024-10-15 00:11:48,342 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 00:11:48,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:11:48,486 INFO L200 MainTranslator]: Completed pre-run [2024-10-15 00:11:48,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:11:48,510 INFO L204 MainTranslator]: Completed translation [2024-10-15 00:11:48,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:48 WrapperNode [2024-10-15 00:11:48,510 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 00:11:48,511 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 00:11:48,511 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 00:11:48,511 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 00:11:48,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:48" (1/1) ... [2024-10-15 00:11:48,518 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:48" (1/1) ... [2024-10-15 00:11:48,529 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2024-10-15 00:11:48,529 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 00:11:48,530 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 00:11:48,530 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 00:11:48,530 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 00:11:48,538 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:48" (1/1) ... [2024-10-15 00:11:48,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:48" (1/1) ... [2024-10-15 00:11:48,538 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:48" (1/1) ... [2024-10-15 00:11:48,543 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-15 00:11:48,544 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:48" (1/1) ... [2024-10-15 00:11:48,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:48" (1/1) ... [2024-10-15 00:11:48,545 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:48" (1/1) ... [2024-10-15 00:11:48,549 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:48" (1/1) ... [2024-10-15 00:11:48,553 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:48" (1/1) ... [2024-10-15 00:11:48,554 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:48" (1/1) ... [2024-10-15 00:11:48,555 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 00:11:48,556 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 00:11:48,556 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 00:11:48,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 00:11:48,557 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:48" (1/1) ... [2024-10-15 00:11:48,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:48,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:48,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:11:48,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-15 00:11:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 00:11:48,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 00:11:48,763 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 00:11:48,764 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 00:11:48,807 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-10-15 00:11:48,808 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 00:11:48,816 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 00:11:48,816 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-15 00:11:48,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:11:48 BoogieIcfgContainer [2024-10-15 00:11:48,816 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 00:11:48,817 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-15 00:11:48,817 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-15 00:11:48,820 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-15 00:11:48,821 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:11:48,821 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 12:11:48" (1/3) ... [2024-10-15 00:11:48,822 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b2d9216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:11:48, skipping insertion in model container [2024-10-15 00:11:48,822 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:11:48,823 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:48" (2/3) ... [2024-10-15 00:11:48,823 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b2d9216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:11:48, skipping insertion in model container [2024-10-15 00:11:48,823 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:11:48,823 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:11:48" (3/3) ... [2024-10-15 00:11:48,824 INFO L332 chiAutomizerObserver]: Analyzing ICFG PastaB14.c [2024-10-15 00:11:48,883 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-15 00:11:48,883 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-15 00:11:48,883 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-15 00:11:48,883 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-15 00:11:48,883 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-15 00:11:48,883 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-15 00:11:48,884 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-15 00:11:48,884 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-15 00:11:48,887 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:11:48,901 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-15 00:11:48,901 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:11:48,901 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:11:48,907 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-15 00:11:48,908 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-15 00:11:48,909 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-15 00:11:48,909 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:11:48,910 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-15 00:11:48,910 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:11:48,910 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:11:48,910 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-15 00:11:48,910 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-15 00:11:48,917 INFO L745 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 4#L12-3true [2024-10-15 00:11:48,918 INFO L747 eck$LassoCheckResult]: Loop: 4#L12-3true assume !!(main_~x~0#1 == main_~y~0#1 && main_~x~0#1 > 0); 2#L12-2true assume !(main_~y~0#1 > 0); 4#L12-3true [2024-10-15 00:11:48,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:48,922 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-15 00:11:48,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:11:48,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148412270] [2024-10-15 00:11:48,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:11:48,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:11:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:48,992 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:11:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:49,010 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:11:49,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:49,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1320, now seen corresponding path program 1 times [2024-10-15 00:11:49,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:11:49,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095791958] [2024-10-15 00:11:49,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:11:49,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:11:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:49,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:11:49,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:11:49,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095791958] [2024-10-15 00:11:49,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095791958] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:11:49,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:11:49,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-15 00:11:49,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492479608] [2024-10-15 00:11:49,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:11:49,116 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-15 00:11:49,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:11:49,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-15 00:11:49,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-15 00:11:49,147 INFO L87 Difference]: Start difference. First operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:11:49,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:11:49,162 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2024-10-15 00:11:49,163 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2024-10-15 00:11:49,164 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-15 00:11:49,167 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 5 states and 6 transitions. [2024-10-15 00:11:49,167 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-10-15 00:11:49,168 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2024-10-15 00:11:49,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 6 transitions. [2024-10-15 00:11:49,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:11:49,169 INFO L218 hiAutomatonCegarLoop]: Abstraction has 5 states and 6 transitions. [2024-10-15 00:11:49,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 6 transitions. [2024-10-15 00:11:49,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2024-10-15 00:11:49,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 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) [2024-10-15 00:11:49,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. [2024-10-15 00:11:49,187 INFO L240 hiAutomatonCegarLoop]: Abstraction has 5 states and 6 transitions. [2024-10-15 00:11:49,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-15 00:11:49,193 INFO L425 stractBuchiCegarLoop]: Abstraction has 5 states and 6 transitions. [2024-10-15 00:11:49,194 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-15 00:11:49,194 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 6 transitions. [2024-10-15 00:11:49,195 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-15 00:11:49,195 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:11:49,195 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:11:49,196 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-15 00:11:49,197 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-15 00:11:49,197 INFO L745 eck$LassoCheckResult]: Stem: 29#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 30#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 28#L12-3 [2024-10-15 00:11:49,197 INFO L747 eck$LassoCheckResult]: Loop: 28#L12-3 assume !!(main_~x~0#1 == main_~y~0#1 && main_~x~0#1 > 0); 26#L12-2 assume !!(main_~y~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1;main_~y~0#1 := main_~y~0#1 - 1; 27#L12-2 assume !(main_~y~0#1 > 0); 28#L12-3 [2024-10-15 00:11:49,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:49,198 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2024-10-15 00:11:49,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:11:49,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579027205] [2024-10-15 00:11:49,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:11:49,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:11:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:49,203 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:11:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:49,206 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:11:49,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:49,206 INFO L85 PathProgramCache]: Analyzing trace with hash 41000, now seen corresponding path program 1 times [2024-10-15 00:11:49,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:11:49,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103966568] [2024-10-15 00:11:49,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:11:49,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:11:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:49,221 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:11:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:49,232 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:11:49,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:49,233 INFO L85 PathProgramCache]: Analyzing trace with hash 28699942, now seen corresponding path program 1 times [2024-10-15 00:11:49,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:11:49,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584605903] [2024-10-15 00:11:49,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:11:49,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:11:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:49,242 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:11:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:49,248 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:11:49,353 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:11:49,354 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:11:49,354 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:11:49,354 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:11:49,354 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-15 00:11:49,354 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:49,354 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:11:49,354 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:11:49,354 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaB14.c_Iteration2_Loop [2024-10-15 00:11:49,354 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:11:49,354 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:11:49,373 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:49,384 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:49,387 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:49,484 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:11:49,485 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-15 00:11:49,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:49,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:49,490 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:11:49,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-15 00:11:49,493 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:11:49,493 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:49,521 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:11:49,521 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: [] [2024-10-15 00:11:49,533 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-15 00:11:49,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:49,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:49,535 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:11:49,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-15 00:11:49,537 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:11:49,537 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:49,562 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:11:49,562 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: [] [2024-10-15 00:11:49,579 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-15 00:11:49,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:49,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:49,586 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:11:49,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-15 00:11:49,589 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:11:49,589 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:49,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-10-15 00:11:49,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:49,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:49,624 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:11:49,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-15 00:11:49,625 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:11:49,625 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:49,660 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-15 00:11:49,665 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-10-15 00:11:49,665 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:11:49,665 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:11:49,666 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:11:49,666 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:11:49,666 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 00:11:49,666 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:49,666 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:11:49,666 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:11:49,666 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaB14.c_Iteration2_Loop [2024-10-15 00:11:49,666 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:11:49,666 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:11:49,668 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:49,672 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:49,676 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:49,765 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:11:49,769 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 00:11:49,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:49,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:49,772 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:11:49,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-15 00:11:49,774 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 [2024-10-15 00:11:49,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:11:49,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:11:49,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:11:49,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:11:49,794 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:11:49,794 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:11:49,799 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:11:49,814 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-10-15 00:11:49,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:49,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:49,817 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:11:49,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-15 00:11:49,820 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 [2024-10-15 00:11:49,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:11:49,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:11:49,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:11:49,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:11:49,839 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:11:49,839 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:11:49,846 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:11:49,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-10-15 00:11:49,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:49,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:49,863 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:11:49,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-15 00:11:49,866 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 [2024-10-15 00:11:49,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:11:49,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:11:49,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:11:49,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:11:49,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:11:49,879 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:11:49,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:11:49,883 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 00:11:49,887 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-10-15 00:11:49,887 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-15 00:11:49,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:49,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:49,891 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:11:49,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-15 00:11:49,893 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 00:11:49,893 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-15 00:11:49,893 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 00:11:49,894 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 [] [2024-10-15 00:11:49,910 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-15 00:11:49,913 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-15 00:11:49,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:49,953 WARN L253 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:11:49,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:49,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-15 00:11:49,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:50,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:11:50,017 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-15 00:11:50,018 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 5 states and 6 transitions. cyclomatic complexity: 2 Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-10-15 00:11:50,067 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 5 states and 6 transitions. cyclomatic complexity: 2. Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 9 states and 10 transitions. Complement of second has 6 states. [2024-10-15 00:11:50,068 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 [2024-10-15 00:11:50,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-10-15 00:11:50,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2024-10-15 00:11:50,071 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 3 letters. [2024-10-15 00:11:50,071 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:50,072 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 5 letters. Loop has 3 letters. [2024-10-15 00:11:50,072 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:50,072 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 6 letters. [2024-10-15 00:11:50,073 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:50,073 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2024-10-15 00:11:50,074 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-15 00:11:50,075 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2024-10-15 00:11:50,075 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-15 00:11:50,075 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-15 00:11:50,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-15 00:11:50,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:11:50,075 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 00:11:50,075 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 00:11:50,075 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 00:11:50,076 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-15 00:11:50,076 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-15 00:11:50,076 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-15 00:11:50,076 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-15 00:11:50,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 12:11:50 BoogieIcfgContainer [2024-10-15 00:11:50,086 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-15 00:11:50,086 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-15 00:11:50,088 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-15 00:11:50,089 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-15 00:11:50,090 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:11:48" (3/4) ... [2024-10-15 00:11:50,092 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-15 00:11:50,093 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-15 00:11:50,094 INFO L158 Benchmark]: Toolchain (without parser) took 1776.24ms. Allocated memory is still 155.2MB. Free memory was 86.0MB in the beginning and 62.3MB in the end (delta: 23.8MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2024-10-15 00:11:50,094 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 111.1MB. Free memory is still 69.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 00:11:50,095 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.94ms. Allocated memory is still 155.2MB. Free memory was 85.8MB in the beginning and 75.6MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-15 00:11:50,095 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.17ms. Allocated memory is still 155.2MB. Free memory was 75.6MB in the beginning and 74.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 00:11:50,097 INFO L158 Benchmark]: Boogie Preprocessor took 25.37ms. Allocated memory is still 155.2MB. Free memory was 74.3MB in the beginning and 72.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 00:11:50,097 INFO L158 Benchmark]: RCFGBuilder took 260.60ms. Allocated memory is still 155.2MB. Free memory was 72.9MB in the beginning and 121.5MB in the end (delta: -48.7MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-10-15 00:11:50,098 INFO L158 Benchmark]: BuchiAutomizer took 1268.53ms. Allocated memory is still 155.2MB. Free memory was 121.0MB in the beginning and 62.3MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-10-15 00:11:50,098 INFO L158 Benchmark]: Witness Printer took 6.82ms. Allocated memory is still 155.2MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 00:11:50,100 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 111.1MB. Free memory is still 69.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 191.94ms. Allocated memory is still 155.2MB. Free memory was 85.8MB in the beginning and 75.6MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.17ms. Allocated memory is still 155.2MB. Free memory was 75.6MB in the beginning and 74.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.37ms. Allocated memory is still 155.2MB. Free memory was 74.3MB in the beginning and 72.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 260.60ms. Allocated memory is still 155.2MB. Free memory was 72.9MB in the beginning and 121.5MB in the end (delta: -48.7MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 1268.53ms. Allocated memory is still 155.2MB. Free memory was 121.0MB in the beginning and 62.3MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 6.82ms. Allocated memory is still 155.2MB. Free memory is still 62.3MB. 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 1.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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: 0/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 10 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax157 hnf100 lsp63 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq176 hnf91 smp76 dnf100 smp100 tf107 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-15 00:11:50,135 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-15 00:11:50,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE