./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/Mysore-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f4b24e32 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/Mysore-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 e573de14d9788c77bce7065ed34a1586a64b72729dbf270f6aaf1ae9cdd54fd7 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 14:46:28,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 14:46:28,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 14:46:28,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 14:46:28,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 14:46:28,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 14:46:28,376 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 14:46:28,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 14:46:28,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 14:46:28,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 14:46:28,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 14:46:28,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 14:46:28,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 14:46:28,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 14:46:28,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 14:46:28,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 14:46:28,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 14:46:28,393 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 14:46:28,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 14:46:28,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 14:46:28,399 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 14:46:28,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 14:46:28,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 14:46:28,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 14:46:28,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 14:46:28,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 14:46:28,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 14:46:28,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 14:46:28,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 14:46:28,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 14:46:28,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 14:46:28,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 14:46:28,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 14:46:28,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 14:46:28,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 14:46:28,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 14:46:28,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 14:46:28,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 14:46:28,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 14:46:28,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 14:46:28,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 14:46:28,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 14:46:28,418 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-14 14:46:28,443 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 14:46:28,443 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 14:46:28,443 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 14:46:28,444 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 14:46:28,445 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 14:46:28,445 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 14:46:28,445 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 14:46:28,445 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-14 14:46:28,445 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-14 14:46:28,446 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-14 14:46:28,446 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-14 14:46:28,447 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-14 14:46:28,447 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-14 14:46:28,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 14:46:28,447 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 14:46:28,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 14:46:28,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 14:46:28,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-14 14:46:28,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-14 14:46:28,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-14 14:46:28,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 14:46:28,448 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-14 14:46:28,448 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 14:46:28,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-14 14:46:28,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 14:46:28,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 14:46:28,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 14:46:28,449 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 14:46:28,451 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-14 14:46:28,451 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e573de14d9788c77bce7065ed34a1586a64b72729dbf270f6aaf1ae9cdd54fd7 [2022-07-14 14:46:28,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 14:46:28,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 14:46:28,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 14:46:28,664 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 14:46:28,665 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 14:46:28,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Mysore-2.c [2022-07-14 14:46:28,708 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86701c33e/3d345dd772424e5b8a84c21ac2a3ff19/FLAG1a3010713 [2022-07-14 14:46:29,049 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 14:46:29,050 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Mysore-2.c [2022-07-14 14:46:29,056 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86701c33e/3d345dd772424e5b8a84c21ac2a3ff19/FLAG1a3010713 [2022-07-14 14:46:29,070 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86701c33e/3d345dd772424e5b8a84c21ac2a3ff19 [2022-07-14 14:46:29,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 14:46:29,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 14:46:29,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 14:46:29,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 14:46:29,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 14:46:29,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:46:29" (1/1) ... [2022-07-14 14:46:29,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@132bc999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:46:29, skipping insertion in model container [2022-07-14 14:46:29,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:46:29" (1/1) ... [2022-07-14 14:46:29,086 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 14:46:29,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 14:46:29,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 14:46:29,213 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 14:46:29,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 14:46:29,235 INFO L208 MainTranslator]: Completed translation [2022-07-14 14:46:29,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:46:29 WrapperNode [2022-07-14 14:46:29,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 14:46:29,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 14:46:29,237 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 14:46:29,237 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 14:46:29,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:46:29" (1/1) ... [2022-07-14 14:46:29,247 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:46:29" (1/1) ... [2022-07-14 14:46:29,258 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2022-07-14 14:46:29,258 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 14:46:29,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 14:46:29,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 14:46:29,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 14:46:29,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:46:29" (1/1) ... [2022-07-14 14:46:29,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:46:29" (1/1) ... [2022-07-14 14:46:29,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:46:29" (1/1) ... [2022-07-14 14:46:29,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:46:29" (1/1) ... [2022-07-14 14:46:29,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:46:29" (1/1) ... [2022-07-14 14:46:29,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:46:29" (1/1) ... [2022-07-14 14:46:29,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:46:29" (1/1) ... [2022-07-14 14:46:29,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 14:46:29,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 14:46:29,276 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 14:46:29,276 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 14:46:29,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:46:29" (1/1) ... [2022-07-14 14:46:29,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:46:29,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:46:29,299 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) [2022-07-14 14:46:29,305 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 [2022-07-14 14:46:29,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 14:46:29,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 14:46:29,360 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 14:46:29,361 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 14:46:29,414 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 14:46:29,418 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 14:46:29,419 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 14:46:29,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:46:29 BoogieIcfgContainer [2022-07-14 14:46:29,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 14:46:29,421 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-14 14:46:29,422 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-14 14:46:29,425 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-14 14:46:29,425 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 14:46:29,426 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.07 02:46:29" (1/3) ... [2022-07-14 14:46:29,426 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@932b5e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 02:46:29, skipping insertion in model container [2022-07-14 14:46:29,427 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 14:46:29,427 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:46:29" (2/3) ... [2022-07-14 14:46:29,427 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@932b5e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 02:46:29, skipping insertion in model container [2022-07-14 14:46:29,427 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 14:46:29,427 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:46:29" (3/3) ... [2022-07-14 14:46:29,429 INFO L354 chiAutomizerObserver]: Analyzing ICFG Mysore-2.c [2022-07-14 14:46:29,473 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-14 14:46:29,473 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-14 14:46:29,473 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-14 14:46:29,473 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-14 14:46:29,473 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-14 14:46:29,491 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-14 14:46:29,491 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-14 14:46:29,492 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-14 14:46:29,494 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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) [2022-07-14 14:46:29,505 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-07-14 14:46:29,506 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 14:46:29,506 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 14:46:29,510 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-14 14:46:29,510 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-14 14:46:29,510 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-14 14:46:29,510 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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) [2022-07-14 14:46:29,511 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-07-14 14:46:29,511 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 14:46:29,511 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 14:46:29,512 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-14 14:46:29,512 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-14 14:46:29,516 INFO L752 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 6#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;havoc main_~c~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~c~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 7#L19true assume !!(-65535 <= main_~x~0#1 && main_~x~0#1 <= 65535); 9#L20true assume !!(-65535 <= main_~c~0#1 && main_~c~0#1 <= 65535); 5#L21true assume main_~c~0#1 >= 2; 8#L22-2true [2022-07-14 14:46:29,518 INFO L754 eck$LassoCheckResult]: Loop: 8#L22-2true assume !!(main_~x~0#1 + main_~c~0#1 >= 0);main_~x~0#1 := main_~x~0#1 - main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1; 8#L22-2true [2022-07-14 14:46:29,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:46:29,526 INFO L85 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 1 times [2022-07-14 14:46:29,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:46:29,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730714154] [2022-07-14 14:46:29,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:46:29,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:46:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:46:29,602 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 14:46:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:46:29,634 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 14:46:29,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:46:29,648 INFO L85 PathProgramCache]: Analyzing trace with hash 55, now seen corresponding path program 1 times [2022-07-14 14:46:29,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:46:29,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970904349] [2022-07-14 14:46:29,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:46:29,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:46:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:46:29,657 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 14:46:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:46:29,661 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 14:46:29,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:46:29,662 INFO L85 PathProgramCache]: Analyzing trace with hash 889571281, now seen corresponding path program 1 times [2022-07-14 14:46:29,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:46:29,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413450337] [2022-07-14 14:46:29,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:46:29,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:46:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:46:29,670 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 14:46:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:46:29,687 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 14:46:29,771 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 14:46:29,772 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 14:46:29,772 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 14:46:29,772 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 14:46:29,772 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-14 14:46:29,772 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:46:29,787 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 14:46:29,787 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 14:46:29,787 INFO L133 ssoRankerPreferences]: Filename of dumped script: Mysore-2.c_Iteration1_Loop [2022-07-14 14:46:29,787 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 14:46:29,788 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 14:46:29,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:46:29,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:46:29,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:46:29,877 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 14:46:29,878 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-14 14:46:29,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:46:29,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:46:29,881 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) [2022-07-14 14:46:29,888 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 14:46:29,888 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 14:46:29,903 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 [2022-07-14 14:46:29,914 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 14:46:29,915 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: [] [2022-07-14 14:46:29,935 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 [2022-07-14 14:46:29,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:46:29,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:46:29,938 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) [2022-07-14 14:46:29,939 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 [2022-07-14 14:46:29,940 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 14:46:29,940 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 14:46:29,957 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 14:46:29,958 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: [] [2022-07-14 14:46:29,975 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 [2022-07-14 14:46:29,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:46:29,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:46:29,976 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) [2022-07-14 14:46:29,978 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 [2022-07-14 14:46:29,980 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 14:46:29,980 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 14:46:30,014 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-07-14 14:46:30,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:46:30,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:46:30,016 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) [2022-07-14 14:46:30,018 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 [2022-07-14 14:46:30,020 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-14 14:46:30,020 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 14:46:30,123 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-14 14:46:30,128 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 [2022-07-14 14:46:30,128 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 14:46:30,128 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 14:46:30,128 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 14:46:30,128 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 14:46:30,128 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 14:46:30,128 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:46:30,128 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 14:46:30,129 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 14:46:30,129 INFO L133 ssoRankerPreferences]: Filename of dumped script: Mysore-2.c_Iteration1_Loop [2022-07-14 14:46:30,129 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 14:46:30,129 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 14:46:30,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:46:30,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:46:30,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:46:30,192 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 14:46:30,195 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 14:46:30,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:46:30,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:46:30,201 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) [2022-07-14 14:46:30,205 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 [2022-07-14 14:46:30,206 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 [2022-07-14 14:46:30,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:46:30,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:46:30,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:46:30,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:46:30,215 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 14:46:30,216 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 14:46:30,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:46:30,249 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 [2022-07-14 14:46:30,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:46:30,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:46:30,251 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) [2022-07-14 14:46:30,254 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 [2022-07-14 14:46:30,255 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 [2022-07-14 14:46:30,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:46:30,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:46:30,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:46:30,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:46:30,263 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 14:46:30,264 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 14:46:30,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:46:30,296 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 [2022-07-14 14:46:30,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:46:30,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:46:30,301 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) [2022-07-14 14:46:30,302 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 [2022-07-14 14:46:30,303 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 [2022-07-14 14:46:30,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:46:30,309 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:46:30,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:46:30,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:46:30,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:46:30,311 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 14:46:30,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:46:30,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:46:30,330 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-07-14 14:46:30,331 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-07-14 14:46:30,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:46:30,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:46:30,332 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) [2022-07-14 14:46:30,332 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 [2022-07-14 14:46:30,334 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 [2022-07-14 14:46:30,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:46:30,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:46:30,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:46:30,340 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-14 14:46:30,342 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-07-14 14:46:30,343 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-07-14 14:46:30,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:46:30,374 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 [2022-07-14 14:46:30,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:46:30,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:46:30,375 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) [2022-07-14 14:46:30,376 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 [2022-07-14 14:46:30,377 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 [2022-07-14 14:46:30,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:46:30,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:46:30,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:46:30,392 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-14 14:46:30,397 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-07-14 14:46:30,397 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-07-14 14:46:30,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:46:30,426 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 [2022-07-14 14:46:30,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:46:30,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:46:30,428 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) [2022-07-14 14:46:30,429 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 [2022-07-14 14:46:30,432 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 [2022-07-14 14:46:30,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:46:30,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:46:30,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:46:30,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:46:30,438 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-14 14:46:30,440 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-07-14 14:46:30,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:46:30,449 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 14:46:30,453 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-14 14:46:30,453 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-14 14:46:30,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:46:30,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:46:30,456 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) [2022-07-14 14:46:30,456 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 [2022-07-14 14:46:30,458 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 14:46:30,458 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-14 14:46:30,458 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 14:46:30,458 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = -2*ULTIMATE.start_main_~c~0#1 + 3 f1 = 2*ULTIMATE.start_main_~x~0#1 + 2*ULTIMATE.start_main_~c~0#1 + 1 Supporting invariants [] [2022-07-14 14:46:30,476 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 [2022-07-14 14:46:30,480 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-14 14:46:30,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:46:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 14:46:30,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 14:46:30,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 14:46:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 14:46:30,543 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 14:46:30,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 14:46:30,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 14:46:30,564 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-14 14:46:30,565 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 3.0) internal successors, (6), 2 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) [2022-07-14 14:46:30,603 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 3.0) internal successors, (6), 2 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 23 states and 28 transitions. Complement of second has 5 states. [2022-07-14 14:46:30,605 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 [2022-07-14 14:46:30,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2022-07-14 14:46:30,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2022-07-14 14:46:30,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-14 14:46:30,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 14:46:30,612 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 6 letters. Loop has 1 letters. [2022-07-14 14:46:30,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 14:46:30,613 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-14 14:46:30,616 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 14:46:30,616 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 28 transitions. [2022-07-14 14:46:30,621 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 14:46:30,623 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2022-07-14 14:46:30,624 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-14 14:46:30,624 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-14 14:46:30,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-14 14:46:30,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 14:46:30,625 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 14:46:30,630 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 14:46:30,630 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 14:46:30,630 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-14 14:46:30,630 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-14 14:46:30,631 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 14:46:30,631 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-14 14:46:30,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.07 02:46:30 BoogieIcfgContainer [2022-07-14 14:46:30,637 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-14 14:46:30,638 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 14:46:30,638 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 14:46:30,639 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 14:46:30,639 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:46:29" (3/4) ... [2022-07-14 14:46:30,641 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-14 14:46:30,641 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 14:46:30,642 INFO L158 Benchmark]: Toolchain (without parser) took 1566.99ms. Allocated memory was 104.9MB in the beginning and 130.0MB in the end (delta: 25.2MB). Free memory was 72.2MB in the beginning and 76.2MB in the end (delta: -4.0MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2022-07-14 14:46:30,642 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory was 59.7MB in the beginning and 59.7MB in the end (delta: 41.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 14:46:30,643 INFO L158 Benchmark]: CACSL2BoogieTranslator took 160.81ms. Allocated memory is still 104.9MB. Free memory was 72.0MB in the beginning and 80.5MB in the end (delta: -8.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-14 14:46:30,643 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.19ms. Allocated memory is still 104.9MB. Free memory was 80.5MB in the beginning and 79.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 14:46:30,643 INFO L158 Benchmark]: Boogie Preprocessor took 16.27ms. Allocated memory is still 104.9MB. Free memory was 79.2MB in the beginning and 78.3MB in the end (delta: 837.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 14:46:30,644 INFO L158 Benchmark]: RCFGBuilder took 144.87ms. Allocated memory is still 104.9MB. Free memory was 78.3MB in the beginning and 70.3MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-14 14:46:30,644 INFO L158 Benchmark]: BuchiAutomizer took 1215.88ms. Allocated memory was 104.9MB in the beginning and 130.0MB in the end (delta: 25.2MB). Free memory was 70.0MB in the beginning and 76.2MB in the end (delta: -6.2MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2022-07-14 14:46:30,644 INFO L158 Benchmark]: Witness Printer took 2.95ms. Allocated memory is still 130.0MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 14:46:30,646 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory was 59.7MB in the beginning and 59.7MB in the end (delta: 41.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 160.81ms. Allocated memory is still 104.9MB. Free memory was 72.0MB in the beginning and 80.5MB in the end (delta: -8.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.19ms. Allocated memory is still 104.9MB. Free memory was 80.5MB in the beginning and 79.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.27ms. Allocated memory is still 104.9MB. Free memory was 79.2MB in the beginning and 78.3MB in the end (delta: 837.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 144.87ms. Allocated memory is still 104.9MB. Free memory was 78.3MB in the beginning and 70.3MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1215.88ms. Allocated memory was 104.9MB in the beginning and 130.0MB in the end (delta: 25.2MB). Free memory was 70.0MB in the beginning and 76.2MB in the end (delta: -6.2MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * Witness Printer took 2.95ms. Allocated memory is still 130.0MB. Free memory is still 76.2MB. 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 2-nested ranking function (if -2 * c + 3 > 0 then 1 else 0), (if -2 * c + 3 > 0 then -2 * c + 3 else 2 * x + 2 * c + 1) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s 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, 15 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 14 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax163 hnf100 lsp61 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq173 hnf93 smp100 dnf100 smp100 tf106 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 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! [2022-07-14 14:46:30,666 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-07-14 14:46:30,887 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