./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-numeric/EvenOdd01-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7e1ff0e6 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-numeric/EvenOdd01-2.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 93e64a210ad8295ef3e6c8bf5a4996e01ec752ae44f5068490e5115d4dda29b5 --- Real Ultimate output --- This is Ultimate 0.2.2-?-7e1ff0e [2023-02-15 02:24:05,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 02:24:05,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 02:24:05,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 02:24:05,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 02:24:05,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 02:24:05,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 02:24:05,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 02:24:05,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 02:24:05,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 02:24:05,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 02:24:05,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 02:24:05,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 02:24:05,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 02:24:05,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 02:24:05,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 02:24:05,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 02:24:05,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 02:24:05,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 02:24:05,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 02:24:05,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 02:24:05,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 02:24:05,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 02:24:05,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 02:24:05,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 02:24:05,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 02:24:05,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 02:24:05,357 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 02:24:05,357 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 02:24:05,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 02:24:05,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 02:24:05,358 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 02:24:05,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 02:24:05,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 02:24:05,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 02:24:05,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 02:24:05,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 02:24:05,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 02:24:05,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 02:24:05,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 02:24:05,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 02:24:05,373 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-02-15 02:24:05,396 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 02:24:05,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 02:24:05,396 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 02:24:05,396 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 02:24:05,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 02:24:05,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 02:24:05,397 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 02:24:05,397 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-15 02:24:05,397 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-02-15 02:24:05,397 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-15 02:24:05,397 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-15 02:24:05,397 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-15 02:24:05,397 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-15 02:24:05,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 02:24:05,398 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 02:24:05,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 02:24:05,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 02:24:05,398 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-02-15 02:24:05,398 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-02-15 02:24:05,398 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-02-15 02:24:05,398 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 02:24:05,398 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-15 02:24:05,398 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 02:24:05,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-02-15 02:24:05,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 02:24:05,399 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 02:24:05,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 02:24:05,399 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 02:24:05,399 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-02-15 02:24:05,399 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93e64a210ad8295ef3e6c8bf5a4996e01ec752ae44f5068490e5115d4dda29b5 [2023-02-15 02:24:05,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 02:24:05,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 02:24:05,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 02:24:05,597 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 02:24:05,597 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 02:24:05,598 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-numeric/EvenOdd01-2.c [2023-02-15 02:24:06,575 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 02:24:06,738 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 02:24:06,739 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-numeric/EvenOdd01-2.c [2023-02-15 02:24:06,743 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4266637ce/0fa4dfe58f634971b7af7b0a9f1e772a/FLAGf42e76eca [2023-02-15 02:24:06,753 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4266637ce/0fa4dfe58f634971b7af7b0a9f1e772a [2023-02-15 02:24:06,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 02:24:06,756 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 02:24:06,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 02:24:06,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 02:24:06,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 02:24:06,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 02:24:06" (1/1) ... [2023-02-15 02:24:06,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6440251c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:24:06, skipping insertion in model container [2023-02-15 02:24:06,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 02:24:06" (1/1) ... [2023-02-15 02:24:06,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 02:24:06,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 02:24:06,901 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-numeric/EvenOdd01-2.c[938,951] [2023-02-15 02:24:06,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 02:24:06,914 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 02:24:06,925 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-numeric/EvenOdd01-2.c[938,951] [2023-02-15 02:24:06,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 02:24:06,935 INFO L208 MainTranslator]: Completed translation [2023-02-15 02:24:06,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:24:06 WrapperNode [2023-02-15 02:24:06,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 02:24:06,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 02:24:06,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 02:24:06,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 02:24:06,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:24:06" (1/1) ... [2023-02-15 02:24:06,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:24:06" (1/1) ... [2023-02-15 02:24:06,959 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2023-02-15 02:24:06,960 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 02:24:06,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 02:24:06,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 02:24:06,961 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 02:24:06,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:24:06" (1/1) ... [2023-02-15 02:24:06,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:24:06" (1/1) ... [2023-02-15 02:24:06,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:24:06" (1/1) ... [2023-02-15 02:24:06,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:24:06" (1/1) ... [2023-02-15 02:24:06,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:24:06" (1/1) ... [2023-02-15 02:24:06,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:24:06" (1/1) ... [2023-02-15 02:24:06,977 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:24:06" (1/1) ... [2023-02-15 02:24:06,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:24:06" (1/1) ... [2023-02-15 02:24:06,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 02:24:06,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 02:24:06,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 02:24:06,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 02:24:06,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:24:06" (1/1) ... [2023-02-15 02:24:06,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:24:06,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:24:07,042 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) [2023-02-15 02:24:07,087 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 [2023-02-15 02:24:07,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-15 02:24:07,099 INFO L130 BoogieDeclarations]: Found specification of procedure isEven [2023-02-15 02:24:07,099 INFO L138 BoogieDeclarations]: Found implementation of procedure isEven [2023-02-15 02:24:07,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-15 02:24:07,099 INFO L130 BoogieDeclarations]: Found specification of procedure isOdd [2023-02-15 02:24:07,100 INFO L138 BoogieDeclarations]: Found implementation of procedure isOdd [2023-02-15 02:24:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 02:24:07,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 02:24:07,140 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 02:24:07,142 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 02:24:07,265 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 02:24:07,272 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 02:24:07,272 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-02-15 02:24:07,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:24:07 BoogieIcfgContainer [2023-02-15 02:24:07,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 02:24:07,275 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-15 02:24:07,275 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-15 02:24:07,278 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-15 02:24:07,278 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-15 02:24:07,278 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.02 02:24:06" (1/3) ... [2023-02-15 02:24:07,279 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60593519 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.02 02:24:07, skipping insertion in model container [2023-02-15 02:24:07,279 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-15 02:24:07,279 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:24:06" (2/3) ... [2023-02-15 02:24:07,280 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60593519 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.02 02:24:07, skipping insertion in model container [2023-02-15 02:24:07,280 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-15 02:24:07,280 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:24:07" (3/3) ... [2023-02-15 02:24:07,283 INFO L332 chiAutomizerObserver]: Analyzing ICFG EvenOdd01-2.c [2023-02-15 02:24:07,357 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-02-15 02:24:07,357 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-02-15 02:24:07,357 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-15 02:24:07,358 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-15 02:24:07,358 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-15 02:24:07,358 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-02-15 02:24:07,358 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-15 02:24:07,358 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-15 02:24:07,361 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-02-15 02:24:07,374 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-02-15 02:24:07,374 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-15 02:24:07,374 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-15 02:24:07,378 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-02-15 02:24:07,379 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 02:24:07,379 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-15 02:24:07,379 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-02-15 02:24:07,381 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-02-15 02:24:07,381 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-15 02:24:07,381 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-15 02:24:07,381 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-02-15 02:24:07,382 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 02:24:07,387 INFO L748 eck$LassoCheckResult]: Stem: 19#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2);call #Ultimate.allocInit(12, 3); 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~ret7#1, main_~n~0#1, main_~result~0#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 16#L41true assume !(main_~n~0#1 < 0); 4#L44true call main_#t~ret7#1 := isOdd(main_~n~0#1);< 3#$Ultimate##0true [2023-02-15 02:24:07,387 INFO L750 eck$LassoCheckResult]: Loop: 3#$Ultimate##0true ~n := #in~n; 8#L19true assume !(0 == ~n); 5#L21true assume !(1 == ~n); 13#L24true call #t~ret4 := isEven(~n - 1);< 15#$Ultimate##0true ~n := #in~n; 7#L29true assume !(0 == ~n); 9#L31true assume !(1 == ~n); 12#L34true call #t~ret5 := isOdd(~n - 1);< 3#$Ultimate##0true [2023-02-15 02:24:07,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:24:07,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1664500, now seen corresponding path program 1 times [2023-02-15 02:24:07,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:24:07,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981985501] [2023-02-15 02:24:07,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:24:07,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:24:07,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:24:07,504 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 02:24:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:24:07,534 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 02:24:07,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:24:07,537 INFO L85 PathProgramCache]: Analyzing trace with hash -438340793, now seen corresponding path program 1 times [2023-02-15 02:24:07,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:24:07,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983363322] [2023-02-15 02:24:07,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:24:07,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:24:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:24:07,552 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 02:24:07,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:24:07,568 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 02:24:07,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:24:07,576 INFO L85 PathProgramCache]: Analyzing trace with hash 2042181178, now seen corresponding path program 1 times [2023-02-15 02:24:07,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:24:07,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762857263] [2023-02-15 02:24:07,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:24:07,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:24:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:24:07,595 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 02:24:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:24:07,622 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 02:24:07,778 INFO L210 LassoAnalysis]: Preferences: [2023-02-15 02:24:07,793 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-15 02:24:07,793 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-15 02:24:07,793 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-15 02:24:07,794 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-15 02:24:07,794 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:24:07,794 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-15 02:24:07,794 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-15 02:24:07,794 INFO L133 ssoRankerPreferences]: Filename of dumped script: EvenOdd01-2.c_Iteration1_Loop [2023-02-15 02:24:07,794 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-15 02:24:07,795 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-15 02:24:07,805 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:24:07,828 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:24:07,830 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:24:07,832 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:24:07,834 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:24:07,843 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:24:07,960 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-15 02:24:07,961 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-15 02:24:07,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:24:07,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:24:07,965 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) [2023-02-15 02:24:07,966 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 [2023-02-15 02:24:07,967 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:24:07,967 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:24:07,993 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 02:24:07,993 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#in~n=0} Honda state: {isEven_#in~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-15 02:24:07,999 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 [2023-02-15 02:24:07,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:24:07,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:24:08,005 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) [2023-02-15 02:24:08,007 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 [2023-02-15 02:24:08,009 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:24:08,009 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:24:08,030 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 02:24:08,031 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#t~ret5=0} Honda state: {isEven_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-15 02:24:08,036 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 [2023-02-15 02:24:08,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:24:08,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:24:08,038 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) [2023-02-15 02:24:08,040 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 [2023-02-15 02:24:08,042 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:24:08,042 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:24:08,049 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 02:24:08,049 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#t~ret4=0} Honda state: {isOdd_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-15 02:24:08,053 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 [2023-02-15 02:24:08,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:24:08,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:24:08,055 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) [2023-02-15 02:24:08,057 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 [2023-02-15 02:24:08,058 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:24:08,059 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:24:08,080 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 02:24:08,080 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#res=0} Honda state: {isOdd_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-15 02:24:08,089 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-02-15 02:24:08,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:24:08,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:24:08,091 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) [2023-02-15 02:24:08,093 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 [2023-02-15 02:24:08,094 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:24:08,094 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:24:08,107 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 [2023-02-15 02:24:08,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:24:08,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:24:08,109 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) [2023-02-15 02:24:08,111 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 [2023-02-15 02:24:08,113 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-15 02:24:08,113 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:24:08,178 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 02:24:08,178 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#in~n=-8} Honda state: {isOdd_#in~n=-8} Generalized eigenvectors: [{isOdd_#in~n=0}, {isOdd_#in~n=0}, {isOdd_#in~n=-2}] Lambdas: [4, 6, 1] Nus: [1, 0] [2023-02-15 02:24:08,181 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 [2023-02-15 02:24:08,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:24:08,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:24:08,183 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) [2023-02-15 02:24:08,184 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 [2023-02-15 02:24:08,186 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:24:08,186 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:24:08,201 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 02:24:08,201 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#res=0} Honda state: {isEven_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-15 02:24:08,206 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 [2023-02-15 02:24:08,473 INFO L210 LassoAnalysis]: Preferences: [2023-02-15 02:24:08,474 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-15 02:24:08,474 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-15 02:24:08,474 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-15 02:24:08,474 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-15 02:24:08,474 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:24:08,474 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-15 02:24:08,475 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-15 02:24:08,475 INFO L133 ssoRankerPreferences]: Filename of dumped script: EvenOdd01-2.c_Iteration1_Lasso [2023-02-15 02:24:08,475 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-15 02:24:08,475 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-15 02:24:08,479 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:24:08,482 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:24:08,485 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:24:08,512 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:24:08,522 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:24:08,525 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:24:08,564 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:24:08,566 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:24:08,592 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:24:08,602 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:24:08,605 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:24:08,608 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:24:08,611 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:24:08,613 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:24:08,615 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:24:08,618 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:24:08,620 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:24:08,632 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:24:08,634 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:24:08,834 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-15 02:24:08,837 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-15 02:24:08,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:24:08,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:24:08,839 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) [2023-02-15 02:24:08,863 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 [2023-02-15 02:24:08,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:24:08,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-15 02:24:08,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:24:08,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:24:08,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:24:08,872 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-15 02:24:08,872 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-15 02:24:08,875 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 [2023-02-15 02:24:08,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 02:24:08,890 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 [2023-02-15 02:24:08,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:24:08,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:24:08,892 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) [2023-02-15 02:24:08,893 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 [2023-02-15 02:24:08,895 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 [2023-02-15 02:24:08,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:24:08,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-15 02:24:08,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:24:08,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:24:08,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:24:08,901 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-15 02:24:08,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-15 02:24:08,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 02:24:08,922 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 [2023-02-15 02:24:08,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:24:08,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:24:08,923 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) [2023-02-15 02:24:08,930 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 [2023-02-15 02:24:08,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:24:08,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:24:08,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:24:08,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:24:08,937 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 [2023-02-15 02:24:08,938 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-15 02:24:08,939 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-15 02:24:08,951 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 02:24:08,955 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 [2023-02-15 02:24:08,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:24:08,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:24:08,957 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) [2023-02-15 02:24:08,959 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 [2023-02-15 02:24:08,960 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 [2023-02-15 02:24:08,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:24:08,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:24:08,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:24:08,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:24:08,968 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-15 02:24:08,968 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-15 02:24:08,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 02:24:08,989 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-02-15 02:24:08,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:24:08,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:24:08,990 INFO L229 MonitoredProcess]: Starting monitored process 13 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) [2023-02-15 02:24:08,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-02-15 02:24:08,994 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 [2023-02-15 02:24:08,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:24:08,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:24:09,000 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-02-15 02:24:09,000 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:24:09,005 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-02-15 02:24:09,005 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-02-15 02:24:09,023 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-15 02:24:09,034 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-02-15 02:24:09,034 INFO L444 ModelExtractionUtils]: 4 out of 11 variables were initially zero. Simplification set additionally 4 variables to zero. [2023-02-15 02:24:09,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:24:09,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:24:09,087 INFO L229 MonitoredProcess]: Starting monitored process 14 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) [2023-02-15 02:24:09,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-02-15 02:24:09,089 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-15 02:24:09,107 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2023-02-15 02:24:09,108 INFO L513 LassoAnalysis]: Proved termination. [2023-02-15 02:24:09,108 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(isOdd_#in~n) = 1*isOdd_#in~n Supporting invariants [1*isOdd_#in~n >= 0] [2023-02-15 02:24:09,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-02-15 02:24:09,119 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2023-02-15 02:24:09,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:24:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:24:09,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-15 02:24:09,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 02:24:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:24:09,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjunts are in the unsatisfiable core [2023-02-15 02:24:09,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 02:24:09,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:24:09,305 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 7 loop predicates [2023-02-15 02:24:09,307 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 24 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:24:09,522 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 24 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 77 states and 90 transitions. Complement of second has 25 states. [2023-02-15 02:24:09,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 2 stem states 7 non-accepting loop states 1 accepting loop states [2023-02-15 02:24:09,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 02:24:09,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 27 transitions. [2023-02-15 02:24:09,528 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 27 transitions. Stem has 4 letters. Loop has 8 letters. [2023-02-15 02:24:09,529 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 02:24:09,529 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 27 transitions. Stem has 12 letters. Loop has 8 letters. [2023-02-15 02:24:09,529 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 02:24:09,529 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 27 transitions. Stem has 4 letters. Loop has 16 letters. [2023-02-15 02:24:09,530 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 02:24:09,530 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 90 transitions. [2023-02-15 02:24:09,534 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-15 02:24:09,535 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 0 states and 0 transitions. [2023-02-15 02:24:09,536 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-02-15 02:24:09,536 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-02-15 02:24:09,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-02-15 02:24:09,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-15 02:24:09,536 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 02:24:09,536 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 02:24:09,537 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 02:24:09,537 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-15 02:24:09,537 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-02-15 02:24:09,537 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-15 02:24:09,537 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-02-15 02:24:09,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.02 02:24:09 BoogieIcfgContainer [2023-02-15 02:24:09,542 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-02-15 02:24:09,542 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-15 02:24:09,542 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-15 02:24:09,542 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-15 02:24:09,543 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:24:07" (3/4) ... [2023-02-15 02:24:09,544 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-15 02:24:09,545 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-15 02:24:09,545 INFO L158 Benchmark]: Toolchain (without parser) took 2789.02ms. Allocated memory is still 190.8MB. Free memory was 160.2MB in the beginning and 104.2MB in the end (delta: 56.0MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. [2023-02-15 02:24:09,545 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 130.0MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 02:24:09,546 INFO L158 Benchmark]: CACSL2BoogieTranslator took 180.20ms. Allocated memory is still 190.8MB. Free memory was 160.2MB in the beginning and 153.8MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-02-15 02:24:09,546 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.31ms. Allocated memory is still 190.8MB. Free memory was 153.8MB in the beginning and 152.8MB in the end (delta: 955.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 02:24:09,546 INFO L158 Benchmark]: Boogie Preprocessor took 21.93ms. Allocated memory is still 190.8MB. Free memory was 152.8MB in the beginning and 151.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 02:24:09,547 INFO L158 Benchmark]: RCFGBuilder took 290.94ms. Allocated memory is still 190.8MB. Free memory was 151.7MB in the beginning and 141.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-15 02:24:09,547 INFO L158 Benchmark]: BuchiAutomizer took 2266.86ms. Allocated memory is still 190.8MB. Free memory was 141.2MB in the beginning and 104.2MB in the end (delta: 37.0MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2023-02-15 02:24:09,547 INFO L158 Benchmark]: Witness Printer took 2.48ms. Allocated memory is still 190.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 02:24:09,549 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 130.0MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 180.20ms. Allocated memory is still 190.8MB. Free memory was 160.2MB in the beginning and 153.8MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.31ms. Allocated memory is still 190.8MB. Free memory was 153.8MB in the beginning and 152.8MB in the end (delta: 955.5kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.93ms. Allocated memory is still 190.8MB. Free memory was 152.8MB in the beginning and 151.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 290.94ms. Allocated memory is still 190.8MB. Free memory was 151.7MB in the beginning and 141.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2266.86ms. Allocated memory is still 190.8MB. Free memory was 141.2MB in the beginning and 104.2MB in the end (delta: 37.0MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Witness Printer took 2.48ms. Allocated memory is still 190.8MB. Free memory is still 104.2MB. 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 affine ranking function \old(n) and consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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, 32 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 98 IncrementalHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 14 mSDtfsCounter, 98 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital54 mio100 ax100 hnf100 lsp65 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq190 hnf97 smp100 dnf482 smp16 tf102 neg93 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 118ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 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! [2023-02-15 02:24:09,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-02-15 02:24:09,765 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