./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/Bangalore-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 26d01a9c 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-crafted/Bangalore-2.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 e9fdb63b703556c0c4f8ca9f5b469884114c0558f9f1171d980c415152e708f6 --- Real Ultimate output --- This is Ultimate 0.2.2-?-26d01a9 [2023-02-17 04:11:45,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-17 04:11:45,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-17 04:11:45,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-17 04:11:45,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-17 04:11:45,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-17 04:11:45,254 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-17 04:11:45,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-17 04:11:45,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-17 04:11:45,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-17 04:11:45,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-17 04:11:45,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-17 04:11:45,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-17 04:11:45,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-17 04:11:45,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-17 04:11:45,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-17 04:11:45,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-17 04:11:45,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-17 04:11:45,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-17 04:11:45,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-17 04:11:45,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-17 04:11:45,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-17 04:11:45,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-17 04:11:45,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-17 04:11:45,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-17 04:11:45,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-17 04:11:45,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-17 04:11:45,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-17 04:11:45,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-17 04:11:45,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-17 04:11:45,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-17 04:11:45,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-17 04:11:45,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-17 04:11:45,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-17 04:11:45,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-17 04:11:45,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-17 04:11:45,304 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-17 04:11:45,305 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-17 04:11:45,305 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-17 04:11:45,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-17 04:11:45,307 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-17 04:11:45,309 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-02-17 04:11:45,345 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-17 04:11:45,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-17 04:11:45,346 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-17 04:11:45,346 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-17 04:11:45,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-17 04:11:45,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-17 04:11:45,348 INFO L138 SettingsManager]: * Use SBE=true [2023-02-17 04:11:45,348 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-17 04:11:45,348 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-02-17 04:11:45,348 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-17 04:11:45,349 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-17 04:11:45,349 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-17 04:11:45,350 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-17 04:11:45,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-17 04:11:45,350 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-17 04:11:45,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-17 04:11:45,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-17 04:11:45,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-02-17 04:11:45,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-02-17 04:11:45,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-02-17 04:11:45,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-17 04:11:45,352 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-17 04:11:45,352 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-17 04:11:45,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-02-17 04:11:45,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-17 04:11:45,352 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-17 04:11:45,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-17 04:11:45,353 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-17 04:11:45,354 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-02-17 04:11:45,355 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9fdb63b703556c0c4f8ca9f5b469884114c0558f9f1171d980c415152e708f6 [2023-02-17 04:11:45,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-17 04:11:45,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-17 04:11:45,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-17 04:11:45,668 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-17 04:11:45,669 INFO L275 PluginConnector]: CDTParser initialized [2023-02-17 04:11:45,670 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Bangalore-2.c [2023-02-17 04:11:46,854 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-17 04:11:47,032 INFO L351 CDTParser]: Found 1 translation units. [2023-02-17 04:11:47,032 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Bangalore-2.c [2023-02-17 04:11:47,038 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9da03e2f3/5ce86d56fd284832a7e67efeee43df57/FLAG33f40603b [2023-02-17 04:11:47,055 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9da03e2f3/5ce86d56fd284832a7e67efeee43df57 [2023-02-17 04:11:47,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-17 04:11:47,059 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-17 04:11:47,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-17 04:11:47,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-17 04:11:47,065 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-17 04:11:47,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 04:11:47" (1/1) ... [2023-02-17 04:11:47,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1acbc325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:11:47, skipping insertion in model container [2023-02-17 04:11:47,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 04:11:47" (1/1) ... [2023-02-17 04:11:47,073 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-17 04:11:47,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-17 04:11:47,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 04:11:47,208 INFO L203 MainTranslator]: Completed pre-run [2023-02-17 04:11:47,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 04:11:47,233 INFO L208 MainTranslator]: Completed translation [2023-02-17 04:11:47,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:11:47 WrapperNode [2023-02-17 04:11:47,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-17 04:11:47,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-17 04:11:47,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-17 04:11:47,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-17 04:11:47,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:11:47" (1/1) ... [2023-02-17 04:11:47,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:11:47" (1/1) ... [2023-02-17 04:11:47,262 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2023-02-17 04:11:47,263 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-17 04:11:47,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-17 04:11:47,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-17 04:11:47,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-17 04:11:47,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:11:47" (1/1) ... [2023-02-17 04:11:47,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:11:47" (1/1) ... [2023-02-17 04:11:47,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:11:47" (1/1) ... [2023-02-17 04:11:47,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:11:47" (1/1) ... [2023-02-17 04:11:47,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:11:47" (1/1) ... [2023-02-17 04:11:47,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:11:47" (1/1) ... [2023-02-17 04:11:47,280 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:11:47" (1/1) ... [2023-02-17 04:11:47,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:11:47" (1/1) ... [2023-02-17 04:11:47,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-17 04:11:47,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-17 04:11:47,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-17 04:11:47,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-17 04:11:47,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:11:47" (1/1) ... [2023-02-17 04:11:47,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:11:47,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:11:47,318 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) [2023-02-17 04:11:47,339 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 [2023-02-17 04:11:47,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-17 04:11:47,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-17 04:11:47,418 INFO L235 CfgBuilder]: Building ICFG [2023-02-17 04:11:47,421 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-17 04:11:47,473 INFO L276 CfgBuilder]: Performing block encoding [2023-02-17 04:11:47,478 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-17 04:11:47,478 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-17 04:11:47,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 04:11:47 BoogieIcfgContainer [2023-02-17 04:11:47,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-17 04:11:47,481 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-17 04:11:47,481 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-17 04:11:47,484 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-17 04:11:47,485 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-17 04:11:47,485 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.02 04:11:47" (1/3) ... [2023-02-17 04:11:47,486 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72e1fa51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.02 04:11:47, skipping insertion in model container [2023-02-17 04:11:47,486 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-17 04:11:47,486 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:11:47" (2/3) ... [2023-02-17 04:11:47,487 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72e1fa51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.02 04:11:47, skipping insertion in model container [2023-02-17 04:11:47,487 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-17 04:11:47,487 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 04:11:47" (3/3) ... [2023-02-17 04:11:47,488 INFO L332 chiAutomizerObserver]: Analyzing ICFG Bangalore-2.c [2023-02-17 04:11:47,537 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-02-17 04:11:47,537 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-02-17 04:11:47,537 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-17 04:11:47,537 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-17 04:11:47,537 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-17 04:11:47,537 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-02-17 04:11:47,537 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-17 04:11:47,538 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-17 04:11:47,541 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:11:47,553 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-02-17 04:11:47,553 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-17 04:11:47,553 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-17 04:11:47,556 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-17 04:11:47,556 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-17 04:11:47,556 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-17 04:11:47,557 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:11:47,557 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-02-17 04:11:47,558 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-17 04:11:47,558 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-17 04:11:47,558 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-17 04:11:47,558 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-17 04:11:47,563 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 4#L18true assume main_~y~0#1 >= 1; 2#L19-2true [2023-02-17 04:11:47,563 INFO L750 eck$LassoCheckResult]: Loop: 2#L19-2true assume !!(main_~x~0#1 >= 0);main_~x~0#1 := main_~x~0#1 - main_~y~0#1; 2#L19-2true [2023-02-17 04:11:47,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:11:47,568 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2023-02-17 04:11:47,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:11:47,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177802724] [2023-02-17 04:11:47,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:11:47,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:11:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:11:47,650 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 04:11:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:11:47,666 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 04:11:47,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:11:47,670 INFO L85 PathProgramCache]: Analyzing trace with hash 45, now seen corresponding path program 1 times [2023-02-17 04:11:47,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:11:47,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007976407] [2023-02-17 04:11:47,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:11:47,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:11:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:11:47,679 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 04:11:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:11:47,683 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 04:11:47,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:11:47,684 INFO L85 PathProgramCache]: Analyzing trace with hash 925612, now seen corresponding path program 1 times [2023-02-17 04:11:47,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:11:47,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920169609] [2023-02-17 04:11:47,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:11:47,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:11:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:11:47,715 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 04:11:47,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:11:47,721 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 04:11:47,750 INFO L210 LassoAnalysis]: Preferences: [2023-02-17 04:11:47,750 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-17 04:11:47,751 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-17 04:11:47,751 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-17 04:11:47,751 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-17 04:11:47,751 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:11:47,752 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-17 04:11:47,752 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-17 04:11:47,752 INFO L133 ssoRankerPreferences]: Filename of dumped script: Bangalore-2.c_Iteration1_Lasso [2023-02-17 04:11:47,752 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-17 04:11:47,753 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-17 04:11:47,773 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:11:47,804 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:11:47,807 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:11:47,808 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:11:47,809 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:11:47,811 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:11:47,824 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-17 04:11:47,826 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-17 04:11:47,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:11:47,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:11:47,835 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) [2023-02-17 04:11:47,837 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 [2023-02-17 04:11:47,886 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-17 04:11:47,887 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 04:11:47,905 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-17 04:11:47,905 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: [] [2023-02-17 04:11:47,913 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 [2023-02-17 04:11:47,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:11:47,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:11:47,915 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) [2023-02-17 04:11:47,918 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 [2023-02-17 04:11:47,919 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-17 04:11:47,919 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 04:11:47,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-02-17 04:11:47,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:11:47,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:11:47,965 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) [2023-02-17 04:11:47,967 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 [2023-02-17 04:11:47,973 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-17 04:11:47,974 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 04:11:48,081 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-17 04:11:48,085 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 [2023-02-17 04:11:48,085 INFO L210 LassoAnalysis]: Preferences: [2023-02-17 04:11:48,086 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-17 04:11:48,086 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-17 04:11:48,086 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-17 04:11:48,086 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-17 04:11:48,086 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:11:48,086 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-17 04:11:48,086 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-17 04:11:48,086 INFO L133 ssoRankerPreferences]: Filename of dumped script: Bangalore-2.c_Iteration1_Lasso [2023-02-17 04:11:48,086 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-17 04:11:48,086 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-17 04:11:48,088 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:11:48,094 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:11:48,095 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:11:48,097 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:11:48,098 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:11:48,099 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:11:48,109 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-17 04:11:48,113 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-17 04:11:48,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:11:48,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:11:48,117 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) [2023-02-17 04:11:48,118 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 [2023-02-17 04:11:48,120 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 [2023-02-17 04:11:48,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:11:48,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:11:48,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 04:11:48,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-17 04:11:48,136 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-17 04:11:48,136 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-17 04:11:48,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:11:48,177 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 [2023-02-17 04:11:48,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:11:48,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:11:48,178 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) [2023-02-17 04:11:48,183 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 [2023-02-17 04:11:48,185 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 [2023-02-17 04:11:48,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:11:48,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:11:48,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:11:48,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 04:11:48,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-17 04:11:48,193 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-17 04:11:48,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:11:48,201 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:11:48,208 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 [2023-02-17 04:11:48,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:11:48,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:11:48,210 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) [2023-02-17 04:11:48,212 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 [2023-02-17 04:11:48,213 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 [2023-02-17 04:11:48,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:11:48,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:11:48,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:11:48,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 04:11:48,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-17 04:11:48,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-17 04:11:48,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:11:48,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:11:48,248 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 [2023-02-17 04:11:48,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:11:48,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:11:48,250 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) [2023-02-17 04:11:48,261 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 [2023-02-17 04:11:48,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:11:48,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:11:48,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 04:11:48,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-17 04:11:48,281 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-17 04:11:48,281 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-17 04:11:48,292 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 [2023-02-17 04:11:48,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:11:48,303 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 [2023-02-17 04:11:48,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:11:48,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:11:48,305 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) [2023-02-17 04:11:48,306 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 [2023-02-17 04:11:48,308 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 [2023-02-17 04:11:48,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:11:48,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:11:48,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:11:48,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 04:11:48,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-17 04:11:48,318 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-17 04:11:48,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:11:48,320 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:11:48,324 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 [2023-02-17 04:11:48,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:11:48,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:11:48,325 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) [2023-02-17 04:11:48,327 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 [2023-02-17 04:11:48,329 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 [2023-02-17 04:11:48,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:11:48,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:11:48,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 04:11:48,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-17 04:11:48,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-17 04:11:48,340 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-17 04:11:48,373 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-17 04:11:48,378 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-17 04:11:48,379 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-17 04:11:48,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:11:48,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:11:48,427 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) [2023-02-17 04:11:48,428 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 [2023-02-17 04:11:48,429 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-17 04:11:48,441 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-02-17 04:11:48,442 INFO L513 LassoAnalysis]: Proved termination. [2023-02-17 04:11:48,442 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [1*ULTIMATE.start_main_~y~0#1 - 1 >= 0] [2023-02-17 04:11:48,446 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 [2023-02-17 04:11:48,459 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-02-17 04:11:48,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:11:48,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:11:48,506 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-17 04:11:48,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 04:11:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:11:48,516 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-17 04:11:48,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 04:11:48,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:11:48,542 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-02-17 04:11:48,544 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2023-02-17 04:11:48,574 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 21 states and 24 transitions. Complement of second has 5 states. [2023-02-17 04:11:48,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-17 04:11:48,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2023-02-17 04:11:48,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2023-02-17 04:11:48,581 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 3 letters. Loop has 1 letters. [2023-02-17 04:11:48,582 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-17 04:11:48,582 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 4 letters. Loop has 1 letters. [2023-02-17 04:11:48,582 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-17 04:11:48,582 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 3 letters. Loop has 2 letters. [2023-02-17 04:11:48,583 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-17 04:11:48,583 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 24 transitions. [2023-02-17 04:11:48,585 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-17 04:11:48,587 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2023-02-17 04:11:48,588 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-02-17 04:11:48,588 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-02-17 04:11:48,588 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-02-17 04:11:48,589 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-17 04:11:48,589 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-17 04:11:48,589 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-17 04:11:48,589 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-17 04:11:48,589 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-17 04:11:48,589 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-02-17 04:11:48,589 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-17 04:11:48,590 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-02-17 04:11:48,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.02 04:11:48 BoogieIcfgContainer [2023-02-17 04:11:48,596 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-02-17 04:11:48,596 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-17 04:11:48,596 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-17 04:11:48,597 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-17 04:11:48,597 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 04:11:47" (3/4) ... [2023-02-17 04:11:48,599 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-17 04:11:48,599 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-17 04:11:48,600 INFO L158 Benchmark]: Toolchain (without parser) took 1540.76ms. Allocated memory is still 123.7MB. Free memory was 80.1MB in the beginning and 65.3MB in the end (delta: 14.8MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2023-02-17 04:11:48,600 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 123.7MB. Free memory is still 95.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 04:11:48,601 INFO L158 Benchmark]: CACSL2BoogieTranslator took 172.46ms. Allocated memory is still 123.7MB. Free memory was 79.8MB in the beginning and 70.9MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-17 04:11:48,601 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.60ms. Allocated memory is still 123.7MB. Free memory was 70.9MB in the beginning and 69.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 04:11:48,602 INFO L158 Benchmark]: Boogie Preprocessor took 17.71ms. Allocated memory is still 123.7MB. Free memory was 69.6MB in the beginning and 68.9MB in the end (delta: 725.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 04:11:48,602 INFO L158 Benchmark]: RCFGBuilder took 197.96ms. Allocated memory is still 123.7MB. Free memory was 68.4MB in the beginning and 60.5MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-17 04:11:48,603 INFO L158 Benchmark]: BuchiAutomizer took 1114.73ms. Allocated memory is still 123.7MB. Free memory was 60.5MB in the beginning and 65.9MB in the end (delta: -5.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 04:11:48,603 INFO L158 Benchmark]: Witness Printer took 3.12ms. Allocated memory is still 123.7MB. Free memory was 65.9MB in the beginning and 65.3MB in the end (delta: 567.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 04:11:48,605 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 123.7MB. Free memory is still 95.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 172.46ms. Allocated memory is still 123.7MB. Free memory was 79.8MB in the beginning and 70.9MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.60ms. Allocated memory is still 123.7MB. Free memory was 70.9MB in the beginning and 69.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.71ms. Allocated memory is still 123.7MB. Free memory was 69.6MB in the beginning and 68.9MB in the end (delta: 725.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 197.96ms. Allocated memory is still 123.7MB. Free memory was 68.4MB in the beginning and 60.5MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1114.73ms. Allocated memory is still 123.7MB. Free memory was 60.5MB in the beginning and 65.9MB in the end (delta: -5.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.12ms. Allocated memory is still 123.7MB. Free memory was 65.9MB in the beginning and 65.3MB in the end (delta: 567.4kB). 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 2 * x + 1 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. 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, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 10 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax200 hnf100 lsp50 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf94 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 55ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-02-17 04:11:48,620 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-02-17 04:11:48,824 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