./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/b.09_assume.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6c24879c Calling Ultimate with: /usr/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 ../sv-benchmarks/c/termination-restricted-15/b.09_assume.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.graphml --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 ecd53fc1983ec7221b54e3467b23316f260ef4286a86531362dd236dd661ea1a --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-13 03:12:18,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 03:12:18,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 03:12:18,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 03:12:18,231 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 03:12:18,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 03:12:18,233 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 03:12:18,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 03:12:18,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 03:12:18,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 03:12:18,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 03:12:18,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 03:12:18,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 03:12:18,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 03:12:18,254 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 03:12:18,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 03:12:18,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 03:12:18,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 03:12:18,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 03:12:18,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 03:12:18,267 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 03:12:18,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 03:12:18,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 03:12:18,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 03:12:18,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 03:12:18,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 03:12:18,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 03:12:18,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 03:12:18,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 03:12:18,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 03:12:18,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 03:12:18,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 03:12:18,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 03:12:18,285 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 03:12:18,285 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 03:12:18,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 03:12:18,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 03:12:18,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 03:12:18,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 03:12:18,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 03:12:18,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 03:12:18,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 03:12:18,290 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-13 03:12:18,316 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 03:12:18,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 03:12:18,317 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 03:12:18,317 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 03:12:18,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 03:12:18,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 03:12:18,319 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 03:12:18,319 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-13 03:12:18,319 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-13 03:12:18,320 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-13 03:12:18,320 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-13 03:12:18,320 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-13 03:12:18,320 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-13 03:12:18,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 03:12:18,321 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 03:12:18,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 03:12:18,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 03:12:18,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-13 03:12:18,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-13 03:12:18,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-13 03:12:18,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 03:12:18,323 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-13 03:12:18,323 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 03:12:18,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-13 03:12:18,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 03:12:18,324 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 03:12:18,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 03:12:18,324 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 03:12:18,325 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-13 03:12:18,325 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecd53fc1983ec7221b54e3467b23316f260ef4286a86531362dd236dd661ea1a [2022-07-13 03:12:18,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 03:12:18,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 03:12:18,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 03:12:18,530 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 03:12:18,530 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 03:12:18,531 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/b.09_assume.c [2022-07-13 03:12:18,596 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd019eb79/0cbfad33859846e8baaf2ce7d23a24e0/FLAG57db3366a [2022-07-13 03:12:19,010 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 03:12:19,011 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/b.09_assume.c [2022-07-13 03:12:19,016 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd019eb79/0cbfad33859846e8baaf2ce7d23a24e0/FLAG57db3366a [2022-07-13 03:12:19,427 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd019eb79/0cbfad33859846e8baaf2ce7d23a24e0 [2022-07-13 03:12:19,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 03:12:19,431 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 03:12:19,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 03:12:19,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 03:12:19,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 03:12:19,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 03:12:19" (1/1) ... [2022-07-13 03:12:19,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@549aeb00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:12:19, skipping insertion in model container [2022-07-13 03:12:19,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 03:12:19" (1/1) ... [2022-07-13 03:12:19,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 03:12:19,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 03:12:19,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 03:12:19,581 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 03:12:19,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 03:12:19,602 INFO L208 MainTranslator]: Completed translation [2022-07-13 03:12:19,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:12:19 WrapperNode [2022-07-13 03:12:19,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 03:12:19,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 03:12:19,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 03:12:19,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 03:12:19,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:12:19" (1/1) ... [2022-07-13 03:12:19,618 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:12:19" (1/1) ... [2022-07-13 03:12:19,632 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-07-13 03:12:19,633 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 03:12:19,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 03:12:19,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 03:12:19,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 03:12:19,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:12:19" (1/1) ... [2022-07-13 03:12:19,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:12:19" (1/1) ... [2022-07-13 03:12:19,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:12:19" (1/1) ... [2022-07-13 03:12:19,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:12:19" (1/1) ... [2022-07-13 03:12:19,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:12:19" (1/1) ... [2022-07-13 03:12:19,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:12:19" (1/1) ... [2022-07-13 03:12:19,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:12:19" (1/1) ... [2022-07-13 03:12:19,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 03:12:19,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 03:12:19,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 03:12:19,656 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 03:12:19,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:12:19" (1/1) ... [2022-07-13 03:12:19,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:12:19,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:12:19,682 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) [2022-07-13 03:12:19,701 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 [2022-07-13 03:12:19,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 03:12:19,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 03:12:19,775 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 03:12:19,778 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 03:12:19,836 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 03:12:19,841 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 03:12:19,841 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-13 03:12:19,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 03:12:19 BoogieIcfgContainer [2022-07-13 03:12:19,843 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 03:12:19,843 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-13 03:12:19,844 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-13 03:12:19,846 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-13 03:12:19,847 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 03:12:19,847 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.07 03:12:19" (1/3) ... [2022-07-13 03:12:19,863 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@308877cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 03:12:19, skipping insertion in model container [2022-07-13 03:12:19,863 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 03:12:19,863 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:12:19" (2/3) ... [2022-07-13 03:12:19,864 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@308877cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 03:12:19, skipping insertion in model container [2022-07-13 03:12:19,864 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 03:12:19,864 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 03:12:19" (3/3) ... [2022-07-13 03:12:19,865 INFO L354 chiAutomizerObserver]: Analyzing ICFG b.09_assume.c [2022-07-13 03:12:19,920 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-13 03:12:19,921 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-13 03:12:19,921 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-13 03:12:19,921 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-13 03:12:19,921 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-13 03:12:19,921 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-13 03:12:19,921 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-13 03:12:19,922 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-13 03:12:19,925 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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) [2022-07-13 03:12:19,954 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-13 03:12:19,954 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:12:19,955 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:12:19,959 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-13 03:12:19,959 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-13 03:12:19,959 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-13 03:12:19,960 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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) [2022-07-13 03:12:19,961 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-13 03:12:19,961 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:12:19,961 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:12:19,961 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-13 03:12:19,962 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-13 03:12:19,968 INFO L752 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 9#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_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0; 10#L11true assume main_~y~0#1 > 0; 2#L12-2true [2022-07-13 03:12:19,969 INFO L754 eck$LassoCheckResult]: Loop: 2#L12-2true assume !!(main_~x~0#1 > 0); 6#L13true assume main_~x~0#1 > main_~y~0#1;main_~x~0#1 := main_~y~0#1; 8#L13-2true main_~c~0#1 := 1 + main_~c~0#1; 2#L12-2true [2022-07-13 03:12:19,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:12:19,974 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-07-13 03:12:19,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:12:19,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68058611] [2022-07-13 03:12:19,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:12:19,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:12:20,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:12:20,094 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:12:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:12:20,133 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:12:20,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:12:20,144 INFO L85 PathProgramCache]: Analyzing trace with hash 43793, now seen corresponding path program 1 times [2022-07-13 03:12:20,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:12:20,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913865687] [2022-07-13 03:12:20,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:12:20,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:12:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:12:20,158 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:12:20,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:12:20,175 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:12:20,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:12:20,179 INFO L85 PathProgramCache]: Analyzing trace with hash 889513680, now seen corresponding path program 1 times [2022-07-13 03:12:20,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:12:20,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266350848] [2022-07-13 03:12:20,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:12:20,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:12:20,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:12:20,197 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:12:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:12:20,212 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:12:20,311 INFO L210 LassoAnalysis]: Preferences: [2022-07-13 03:12:20,312 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-13 03:12:20,312 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-13 03:12:20,312 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-13 03:12:20,312 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-13 03:12:20,312 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:12:20,313 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-13 03:12:20,313 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-13 03:12:20,313 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.09_assume.c_Iteration1_Loop [2022-07-13 03:12:20,313 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-13 03:12:20,313 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-13 03:12:20,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:12:20,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:12:20,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:12:20,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:12:20,405 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-13 03:12:20,405 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-13 03:12:20,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:12:20,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:12:20,411 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) [2022-07-13 03:12:20,422 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-13 03:12:20,422 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-13 03:12:20,437 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 [2022-07-13 03:12:20,455 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-13 03:12:20,455 INFO L440 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: [] [2022-07-13 03:12:20,482 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-13 03:12:20,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:12:20,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:12:20,484 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) [2022-07-13 03:12:20,485 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 [2022-07-13 03:12:20,486 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-13 03:12:20,487 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-13 03:12:20,507 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-13 03:12:20,508 INFO L440 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: [] [2022-07-13 03:12:20,531 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 [2022-07-13 03:12:20,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:12:20,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:12:20,533 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) [2022-07-13 03:12:20,533 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 [2022-07-13 03:12:20,535 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-13 03:12:20,535 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-13 03:12:20,573 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 [2022-07-13 03:12:20,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:12:20,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:12:20,575 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) [2022-07-13 03:12:20,582 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 [2022-07-13 03:12:20,582 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-13 03:12:20,592 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-13 03:12:20,613 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-13 03:12:20,613 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0#1=0} Honda state: {ULTIMATE.start_main_~c~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0#1=0}, {ULTIMATE.start_main_~c~0#1=2}, {ULTIMATE.start_main_~c~0#1=-1}] Lambdas: [6, 1, 1] Nus: [0, 0] [2022-07-13 03:12:20,636 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 [2022-07-13 03:12:20,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:12:20,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:12:20,638 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) [2022-07-13 03:12:20,639 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 [2022-07-13 03:12:20,640 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-13 03:12:20,641 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-13 03:12:20,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-07-13 03:12:20,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:12:20,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:12:20,693 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) [2022-07-13 03:12:20,710 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-13 03:12:20,710 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-13 03:12:20,718 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 [2022-07-13 03:12:20,852 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-13 03:12:20,858 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 [2022-07-13 03:12:20,858 INFO L210 LassoAnalysis]: Preferences: [2022-07-13 03:12:20,858 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-13 03:12:20,859 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-13 03:12:20,859 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-13 03:12:20,859 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-13 03:12:20,859 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:12:20,859 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-13 03:12:20,859 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-13 03:12:20,859 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.09_assume.c_Iteration1_Loop [2022-07-13 03:12:20,859 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-13 03:12:20,859 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-13 03:12:20,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:12:20,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:12:20,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:12:20,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:12:20,926 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-13 03:12:20,930 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-13 03:12:20,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:12:20,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:12:20,948 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) [2022-07-13 03:12:20,950 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 [2022-07-13 03:12:20,951 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 [2022-07-13 03:12:20,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:12:20,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:12:20,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:12:20,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:12:20,965 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:12:20,965 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:12:20,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:12:21,008 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-13 03:12:21,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:12:21,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:12:21,010 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) [2022-07-13 03:12:21,011 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 [2022-07-13 03:12:21,023 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 [2022-07-13 03:12:21,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:12:21,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:12:21,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:12:21,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:12:21,034 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:12:21,034 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:12:21,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:12:21,071 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-13 03:12:21,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:12:21,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:12:21,074 INFO L229 MonitoredProcess]: Starting monitored process 10 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) [2022-07-13 03:12:21,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-13 03:12:21,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:12:21,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:12:21,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:12:21,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:12:21,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:12:21,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:12:21,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:12:21,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:12:21,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:12:21,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-13 03:12:21,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:12:21,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:12:21,118 INFO L229 MonitoredProcess]: Starting monitored process 11 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) [2022-07-13 03:12:21,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-13 03:12:21,120 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 [2022-07-13 03:12:21,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:12:21,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:12:21,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:12:21,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:12:21,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:12:21,136 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:12:21,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:12:21,145 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-13 03:12:21,151 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-13 03:12:21,151 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-13 03:12:21,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:12:21,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:12:21,154 INFO L229 MonitoredProcess]: Starting monitored process 12 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) [2022-07-13 03:12:21,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-13 03:12:21,169 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-13 03:12:21,169 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-13 03:12:21,169 INFO L513 LassoAnalysis]: Proved termination. [2022-07-13 03:12:21,170 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2022-07-13 03:12:21,191 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-07-13 03:12:21,194 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-13 03:12:21,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:12:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:12:21,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 03:12:21,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:12:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:12:21,232 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-13 03:12:21,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:12:21,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:12:21,301 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-07-13 03:12:21,302 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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 4 states, 4 states have (on average 1.5) 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) [2022-07-13 03:12:21,330 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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 4 states, 4 states have (on average 1.5) 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) Result 27 states and 31 transitions. Complement of second has 7 states. [2022-07-13 03:12:21,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-13 03:12:21,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) 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) [2022-07-13 03:12:21,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2022-07-13 03:12:21,337 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 3 letters. Loop has 3 letters. [2022-07-13 03:12:21,337 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:12:21,337 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 6 letters. Loop has 3 letters. [2022-07-13 03:12:21,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:12:21,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 3 letters. Loop has 6 letters. [2022-07-13 03:12:21,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:12:21,338 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 31 transitions. [2022-07-13 03:12:21,340 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-13 03:12:21,342 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2022-07-13 03:12:21,342 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-13 03:12:21,342 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-13 03:12:21,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-13 03:12:21,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 03:12:21,343 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 03:12:21,343 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 03:12:21,343 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 03:12:21,343 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-13 03:12:21,343 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-13 03:12:21,343 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-13 03:12:21,343 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-13 03:12:21,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.07 03:12:21 BoogieIcfgContainer [2022-07-13 03:12:21,349 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-13 03:12:21,349 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 03:12:21,349 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 03:12:21,349 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 03:12:21,350 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 03:12:19" (3/4) ... [2022-07-13 03:12:21,352 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-13 03:12:21,352 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 03:12:21,353 INFO L158 Benchmark]: Toolchain (without parser) took 1922.37ms. Allocated memory was 98.6MB in the beginning and 123.7MB in the end (delta: 25.2MB). Free memory was 69.3MB in the beginning and 70.3MB in the end (delta: -1.1MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2022-07-13 03:12:21,354 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 98.6MB. Free memory was 53.7MB in the beginning and 53.6MB in the end (delta: 46.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 03:12:21,354 INFO L158 Benchmark]: CACSL2BoogieTranslator took 171.66ms. Allocated memory is still 98.6MB. Free memory was 69.0MB in the beginning and 74.8MB in the end (delta: -5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 03:12:21,354 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.47ms. Allocated memory is still 98.6MB. Free memory was 74.8MB in the beginning and 73.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 03:12:21,355 INFO L158 Benchmark]: Boogie Preprocessor took 19.91ms. Allocated memory is still 98.6MB. Free memory was 73.6MB in the beginning and 72.7MB in the end (delta: 880.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 03:12:21,361 INFO L158 Benchmark]: RCFGBuilder took 187.55ms. Allocated memory is still 98.6MB. Free memory was 72.4MB in the beginning and 64.7MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-13 03:12:21,362 INFO L158 Benchmark]: BuchiAutomizer took 1505.10ms. Allocated memory was 98.6MB in the beginning and 123.7MB in the end (delta: 25.2MB). Free memory was 64.3MB in the beginning and 70.3MB in the end (delta: -6.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-07-13 03:12:21,362 INFO L158 Benchmark]: Witness Printer took 3.33ms. Allocated memory is still 123.7MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 03:12:21,365 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 98.6MB. Free memory was 53.7MB in the beginning and 53.6MB in the end (delta: 46.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 171.66ms. Allocated memory is still 98.6MB. Free memory was 69.0MB in the beginning and 74.8MB in the end (delta: -5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.47ms. Allocated memory is still 98.6MB. Free memory was 74.8MB in the beginning and 73.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.91ms. Allocated memory is still 98.6MB. Free memory was 73.6MB in the beginning and 72.7MB in the end (delta: 880.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 187.55ms. Allocated memory is still 98.6MB. Free memory was 72.4MB in the beginning and 64.7MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 1505.10ms. Allocated memory was 98.6MB in the beginning and 123.7MB in the end (delta: 25.2MB). Free memory was 64.3MB in the beginning and 70.3MB in the end (delta: -6.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 3.33ms. Allocated memory is still 123.7MB. Free memory is still 70.3MB. 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 11 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax175 hnf100 lsp39 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq136 hnf93 smp100 dnf100 smp100 tf114 neg100 sie125 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 53ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-13 03:12:21,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-13 03:12:21,598 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