./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/b.03-no-inv_assume.c --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-restricted-15/b.03-no-inv_assume.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f77ac7021b9516a822c02fb2f9337d0a1ab6f10aeb906e4a3e0cf008997a431e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 03:27:14,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 03:27:14,013 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 03:27:14,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 03:27:14,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 03:27:14,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 03:27:14,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 03:27:14,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 03:27:14,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 03:27:14,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 03:27:14,037 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 03:27:14,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 03:27:14,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 03:27:14,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 03:27:14,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 03:27:14,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 03:27:14,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 03:27:14,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 03:27:14,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 03:27:14,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 03:27:14,044 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 03:27:14,049 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 03:27:14,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 03:27:14,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 03:27:14,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 03:27:14,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 03:27:14,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 03:27:14,057 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 03:27:14,058 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 03:27:14,059 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 03:27:14,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 03:27:14,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 03:27:14,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 03:27:14,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 03:27:14,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 03:27:14,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 03:27:14,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 03:27:14,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 03:27:14,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 03:27:14,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 03:27:14,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 03:27:14,066 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-02-21 03:27:14,086 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 03:27:14,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 03:27:14,089 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 03:27:14,089 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 03:27:14,090 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 03:27:14,090 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 03:27:14,091 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 03:27:14,091 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 03:27:14,091 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 03:27:14,091 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 03:27:14,092 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 03:27:14,092 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 03:27:14,092 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 03:27:14,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 03:27:14,092 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 03:27:14,092 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 03:27:14,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 03:27:14,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 03:27:14,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 03:27:14,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 03:27:14,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 03:27:14,093 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 03:27:14,093 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 03:27:14,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 03:27:14,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 03:27:14,095 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 03:27:14,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 03:27:14,095 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 03:27:14,096 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 03:27:14,096 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f77ac7021b9516a822c02fb2f9337d0a1ab6f10aeb906e4a3e0cf008997a431e [2022-02-21 03:27:14,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 03:27:14,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 03:27:14,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 03:27:14,286 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 03:27:14,287 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 03:27:14,288 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/b.03-no-inv_assume.c [2022-02-21 03:27:14,334 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dfdd0c47/0a455aa0f13543bc825f4ab86fc39a16/FLAG8bb180dc9 [2022-02-21 03:27:14,708 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 03:27:14,709 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/b.03-no-inv_assume.c [2022-02-21 03:27:14,722 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dfdd0c47/0a455aa0f13543bc825f4ab86fc39a16/FLAG8bb180dc9 [2022-02-21 03:27:14,734 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dfdd0c47/0a455aa0f13543bc825f4ab86fc39a16 [2022-02-21 03:27:14,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 03:27:14,738 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 03:27:14,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 03:27:14,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 03:27:14,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 03:27:14,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:27:14" (1/1) ... [2022-02-21 03:27:14,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23513500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:14, skipping insertion in model container [2022-02-21 03:27:14,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:27:14" (1/1) ... [2022-02-21 03:27:14,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 03:27:14,755 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 03:27:14,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:27:14,888 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 03:27:14,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:27:14,914 INFO L208 MainTranslator]: Completed translation [2022-02-21 03:27:14,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:14 WrapperNode [2022-02-21 03:27:14,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 03:27:14,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 03:27:14,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 03:27:14,916 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 03:27:14,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:14" (1/1) ... [2022-02-21 03:27:14,924 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:14" (1/1) ... [2022-02-21 03:27:14,936 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2022-02-21 03:27:14,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 03:27:14,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 03:27:14,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 03:27:14,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 03:27:14,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:14" (1/1) ... [2022-02-21 03:27:14,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:14" (1/1) ... [2022-02-21 03:27:14,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:14" (1/1) ... [2022-02-21 03:27:14,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:14" (1/1) ... [2022-02-21 03:27:14,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:14" (1/1) ... [2022-02-21 03:27:14,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:14" (1/1) ... [2022-02-21 03:27:14,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:14" (1/1) ... [2022-02-21 03:27:14,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 03:27:14,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 03:27:14,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 03:27:14,953 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 03:27:14,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:14" (1/1) ... [2022-02-21 03:27:14,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:27:14,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:27:14,975 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) [2022-02-21 03:27:14,996 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 [2022-02-21 03:27:15,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 03:27:15,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 03:27:15,060 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 03:27:15,061 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 03:27:15,147 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 03:27:15,157 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 03:27:15,157 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-21 03:27:15,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:27:15 BoogieIcfgContainer [2022-02-21 03:27:15,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 03:27:15,159 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 03:27:15,160 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 03:27:15,163 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 03:27:15,163 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:27:15,163 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 03:27:14" (1/3) ... [2022-02-21 03:27:15,164 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1eaa36ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:27:15, skipping insertion in model container [2022-02-21 03:27:15,164 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:27:15,165 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:14" (2/3) ... [2022-02-21 03:27:15,165 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1eaa36ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:27:15, skipping insertion in model container [2022-02-21 03:27:15,165 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:27:15,165 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:27:15" (3/3) ... [2022-02-21 03:27:15,166 INFO L388 chiAutomizerObserver]: Analyzing ICFG b.03-no-inv_assume.c [2022-02-21 03:27:15,194 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 03:27:15,194 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 03:27:15,194 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 03:27:15,194 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 03:27:15,194 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 03:27:15,194 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 03:27:15,194 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 03:27:15,195 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 03:27:15,204 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:27:15,214 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-02-21 03:27:15,214 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:27:15,214 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:27:15,217 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-02-21 03:27:15,217 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2022-02-21 03:27:15,217 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 03:27:15,218 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:27:15,219 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-02-21 03:27:15,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:27:15,219 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:27:15,219 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-02-21 03:27:15,220 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2022-02-21 03:27:15,224 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 3#L9true assume main_~x~0#1 > 0; 5#L10-2true [2022-02-21 03:27:15,224 INFO L793 eck$LassoCheckResult]: Loop: 5#L10-2true assume !!(main_~x~0#1 > main_~y~0#1 && main_~y~0#1 <= 2147483647 - main_~x~0#1);main_~y~0#1 := main_~y~0#1 + main_~x~0#1; 5#L10-2true [2022-02-21 03:27:15,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:27:15,230 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-02-21 03:27:15,236 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:27:15,237 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723165947] [2022-02-21 03:27:15,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:27:15,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:27:15,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:27:15,296 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:27:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:27:15,315 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:27:15,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:27:15,318 INFO L85 PathProgramCache]: Analyzing trace with hash 45, now seen corresponding path program 1 times [2022-02-21 03:27:15,318 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:27:15,319 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077844569] [2022-02-21 03:27:15,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:27:15,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:27:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:27:15,343 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:27:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:27:15,354 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:27:15,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:27:15,355 INFO L85 PathProgramCache]: Analyzing trace with hash 925612, now seen corresponding path program 1 times [2022-02-21 03:27:15,355 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:27:15,355 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451832913] [2022-02-21 03:27:15,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:27:15,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:27:15,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:27:15,373 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:27:15,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:27:15,382 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:27:15,476 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:27:15,476 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:27:15,476 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:27:15,477 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:27:15,477 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-02-21 03:27:15,477 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:27:15,477 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:27:15,477 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:27:15,477 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.03-no-inv_assume.c_Iteration1_Lasso [2022-02-21 03:27:15,478 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:27:15,478 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:27:15,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:27:15,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:27:15,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:27:15,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:27:15,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:27:15,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:27:15,620 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:27:15,620 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-02-21 03:27:15,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:27:15,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:27:15,623 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) [2022-02-21 03:27:15,624 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 [2022-02-21 03:27:15,626 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 03:27:15,626 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:27:15,649 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-02-21 03:27:15,649 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: [] [2022-02-21 03:27:15,664 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 [2022-02-21 03:27:15,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:27:15,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:27:15,666 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) [2022-02-21 03:27:15,666 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 [2022-02-21 03:27:15,670 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 03:27:15,671 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:27:15,677 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-02-21 03:27:15,678 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-02-21 03:27:15,692 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-02-21 03:27:15,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:27:15,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:27:15,694 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) [2022-02-21 03:27:15,695 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 [2022-02-21 03:27:15,696 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 03:27:15,696 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:27:15,710 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-02-21 03:27:15,710 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: [] [2022-02-21 03:27:15,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-02-21 03:27:15,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:27:15,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:27:15,729 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) [2022-02-21 03:27:15,729 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 [2022-02-21 03:27:15,732 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 03:27:15,732 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:27:15,759 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 [2022-02-21 03:27:15,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:27:15,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:27:15,761 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) [2022-02-21 03:27:15,762 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 [2022-02-21 03:27:15,765 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-02-21 03:27:15,766 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:27:15,790 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-02-21 03:27:15,795 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 [2022-02-21 03:27:15,795 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:27:15,796 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:27:15,796 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:27:15,796 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:27:15,796 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-02-21 03:27:15,796 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:27:15,796 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:27:15,796 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:27:15,796 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.03-no-inv_assume.c_Iteration1_Lasso [2022-02-21 03:27:15,796 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:27:15,796 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:27:15,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:27:15,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:27:15,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:27:15,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:27:15,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:27:15,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:27:15,897 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:27:15,900 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-02-21 03:27:15,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:27:15,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:27:15,903 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) [2022-02-21 03:27:15,903 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 [2022-02-21 03:27:15,905 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 [2022-02-21 03:27:15,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:27:15,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:27:15,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:27:15,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:27:15,915 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:27:15,915 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:27:15,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:27:15,943 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 [2022-02-21 03:27:15,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:27:15,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:27:15,946 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) [2022-02-21 03:27:15,947 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 [2022-02-21 03:27:15,949 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 [2022-02-21 03:27:15,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:27:15,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:27:15,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:27:15,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:27:15,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:27:15,957 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:27:15,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:27:15,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:27:15,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-02-21 03:27:15,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:27:15,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:27:15,989 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) [2022-02-21 03:27:15,990 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 [2022-02-21 03:27:15,991 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 [2022-02-21 03:27:15,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:27:15,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:27:15,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:27:15,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:27:15,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:27:15,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:27:15,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:27:16,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:27:16,030 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 [2022-02-21 03:27:16,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:27:16,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:27:16,031 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) [2022-02-21 03:27:16,032 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 [2022-02-21 03:27:16,034 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 [2022-02-21 03:27:16,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:27:16,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:27:16,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:27:16,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:27:16,042 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:27:16,042 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:27:16,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:27:16,060 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 [2022-02-21 03:27:16,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:27:16,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:27:16,061 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) [2022-02-21 03:27:16,064 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 [2022-02-21 03:27:16,064 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 [2022-02-21 03:27:16,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:27:16,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:27:16,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:27:16,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:27:16,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:27:16,071 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:27:16,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:27:16,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:27:16,087 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 [2022-02-21 03:27:16,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:27:16,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:27:16,088 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) [2022-02-21 03:27:16,089 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 [2022-02-21 03:27:16,090 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 [2022-02-21 03:27:16,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:27:16,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:27:16,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:27:16,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:27:16,099 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:27:16,099 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:27:16,116 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-02-21 03:27:16,123 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-02-21 03:27:16,123 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-02-21 03:27:16,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:27:16,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:27:16,132 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) [2022-02-21 03:27:16,133 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 [2022-02-21 03:27:16,135 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-02-21 03:27:16,156 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-02-21 03:27:16,156 INFO L513 LassoAnalysis]: Proved termination. [2022-02-21 03:27:16,157 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~x~0#1) = -2147483648*ULTIMATE.start_main_~y~0#1 + 2147483647*ULTIMATE.start_main_~x~0#1 Supporting invariants [1*ULTIMATE.start_main_~x~0#1 - 1 >= 0] [2022-02-21 03:27:16,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-02-21 03:27:16,204 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2022-02-21 03:27:16,224 INFO L390 LassoCheck]: Loop: "assume !!(main_~x~0#1 > main_~y~0#1 && main_~y~0#1 <= 2147483647 - main_~x~0#1);main_~y~0#1 := main_~y~0#1 + main_~x~0#1;" [2022-02-21 03:27:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:27:16,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:27:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:27:16,259 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-21 03:27:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:27:16,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:27:16,272 INFO L290 TraceCheckUtils]: 0: Hoare triple {18#unseeded} assume { :begin_inline_ULTIMATE.init } true; {18#unseeded} is VALID [2022-02-21 03:27:16,272 INFO L290 TraceCheckUtils]: 1: Hoare triple {18#unseeded} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; {18#unseeded} is VALID [2022-02-21 03:27:16,273 INFO L290 TraceCheckUtils]: 2: Hoare triple {18#unseeded} assume main_~x~0#1 > 0; {37#(and unseeded (>= (+ (- 1) |ULTIMATE.start_main_~x~0#1|) 0))} is VALID [2022-02-21 03:27:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:27:16,277 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-21 03:27:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:27:16,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:27:16,285 INFO L290 TraceCheckUtils]: 0: Hoare triple {38#(and (>= oldRank0 (+ (* (- 2147483648) |ULTIMATE.start_main_~y~0#1|) (* 2147483647 |ULTIMATE.start_main_~x~0#1|))) (>= (+ (- 1) |ULTIMATE.start_main_~x~0#1|) 0))} assume !!(main_~x~0#1 > main_~y~0#1 && main_~y~0#1 <= 2147483647 - main_~x~0#1);main_~y~0#1 := main_~y~0#1 + main_~x~0#1; {40#(and (or unseeded (and (>= oldRank0 0) (> oldRank0 (+ (* (- 2147483648) |ULTIMATE.start_main_~y~0#1|) (* 2147483647 |ULTIMATE.start_main_~x~0#1|))))) (>= (+ (- 1) |ULTIMATE.start_main_~x~0#1|) 0))} is VALID [2022-02-21 03:27:16,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 03:27:16,304 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:27:16,309 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 03:27:16,310 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 3 letters. Loop has 1 letters. [2022-02-21 03:27:16,312 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:27:16,314 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 [2022-02-21 03:27:16,315 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:27:16,371 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 24 transitions. Complement of second has 5 states. [2022-02-21 03:27:16,372 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 [2022-02-21 03:27:16,372 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:27:16,373 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:27:16,375 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-02-21 03:27:16,375 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:27:16,375 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:27:16,376 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:27:16,380 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2022-02-21 03:27:16,380 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:27:16,380 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:27:16,380 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 24 transitions. [2022-02-21 03:27:16,381 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:27:16,381 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:27:16,382 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:27:16,385 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-02-21 03:27:16,386 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2022-02-21 03:27:16,386 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:27:16,387 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2022-02-21 03:27:16,387 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:27:16,387 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 21 states and 24 transitions. cyclomatic complexity: 4 [2022-02-21 03:27:16,387 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 24 transitions. cyclomatic complexity: 4 [2022-02-21 03:27:16,388 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:27:16,388 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2022-02-21 03:27:16,388 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 3 letters. Loop has 1 letters. [2022-02-21 03:27:16,388 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:27:16,388 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 3 letters. Loop has 1 letters. [2022-02-21 03:27:16,388 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:27:16,388 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 21 states and 24 transitions. cyclomatic complexity: 4 Stem has 3 letters. Loop has 1 letters. [2022-02-21 03:27:16,388 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:27:16,389 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:27:16,389 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:27:16,389 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:27:16,389 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:27:16,389 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 21 states and 24 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:27:16,389 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:27:16,389 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 21 letters. Loop has 21 letters. [2022-02-21 03:27:16,389 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:27:16,389 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 21 letters. Loop has 21 letters. [2022-02-21 03:27:16,389 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:27:16,389 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 21 states and 24 transitions. cyclomatic complexity: 4 Stem has 21 letters. Loop has 21 letters. [2022-02-21 03:27:16,390 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:27:16,390 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 8 letters. Loop has 8 letters. [2022-02-21 03:27:16,390 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:27:16,390 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 8 letters. Loop has 8 letters. [2022-02-21 03:27:16,390 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:27:16,390 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 21 states and 24 transitions. cyclomatic complexity: 4 Stem has 8 letters. Loop has 8 letters. [2022-02-21 03:27:16,390 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:27:16,390 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 4 letters. Loop has 4 letters. [2022-02-21 03:27:16,390 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:27:16,391 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 4 letters. Loop has 4 letters. [2022-02-21 03:27:16,391 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:27:16,391 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 21 states and 24 transitions. cyclomatic complexity: 4 Stem has 4 letters. Loop has 4 letters. [2022-02-21 03:27:16,391 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:27:16,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 3 letters. Loop has 1 letters. [2022-02-21 03:27:16,393 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:27:16,393 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 3 letters. Loop has 1 letters. [2022-02-21 03:27:16,393 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:27:16,393 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 21 states and 24 transitions. cyclomatic complexity: 4 Stem has 3 letters. Loop has 1 letters. [2022-02-21 03:27:16,393 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:27:16,393 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:27:16,393 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:27:16,393 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:27:16,393 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:27:16,393 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 21 states and 24 transitions. cyclomatic complexity: 4 Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:27:16,393 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:27:16,394 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:27:16,394 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:27:16,394 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:27:16,394 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:27:16,394 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 21 states and 24 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:27:16,394 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:27:16,394 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:27:16,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:27:16,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2022-02-21 03:27:16,398 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 3 letters. Loop has 1 letters. [2022-02-21 03:27:16,398 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:27:16,398 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 4 letters. Loop has 1 letters. [2022-02-21 03:27:16,398 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:27:16,398 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 3 letters. Loop has 2 letters. [2022-02-21 03:27:16,398 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:27:16,398 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 24 transitions. cyclomatic complexity: 4 [2022-02-21 03:27:16,400 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:27:16,401 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2022-02-21 03:27:16,402 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-02-21 03:27:16,402 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-02-21 03:27:16,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-02-21 03:27:16,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 03:27:16,402 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:27:16,402 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:27:16,402 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:27:16,402 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 03:27:16,402 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-02-21 03:27:16,402 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:27:16,402 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:27:16,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 03:27:16 BoogieIcfgContainer [2022-02-21 03:27:16,406 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 03:27:16,407 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 03:27:16,407 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 03:27:16,407 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 03:27:16,407 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:27:15" (3/4) ... [2022-02-21 03:27:16,408 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-02-21 03:27:16,408 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 03:27:16,409 INFO L158 Benchmark]: Toolchain (without parser) took 1671.47ms. Allocated memory was 119.5MB in the beginning and 167.8MB in the end (delta: 48.2MB). Free memory was 92.0MB in the beginning and 121.0MB in the end (delta: -29.0MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2022-02-21 03:27:16,409 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 119.5MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:27:16,410 INFO L158 Benchmark]: CACSL2BoogieTranslator took 175.81ms. Allocated memory was 119.5MB in the beginning and 167.8MB in the end (delta: 48.2MB). Free memory was 91.8MB in the beginning and 141.6MB in the end (delta: -49.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-21 03:27:16,410 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.12ms. Allocated memory is still 167.8MB. Free memory was 141.6MB in the beginning and 140.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:27:16,410 INFO L158 Benchmark]: Boogie Preprocessor took 13.55ms. Allocated memory is still 167.8MB. Free memory was 140.4MB in the beginning and 139.5MB in the end (delta: 906.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 03:27:16,411 INFO L158 Benchmark]: RCFGBuilder took 206.79ms. Allocated memory is still 167.8MB. Free memory was 139.1MB in the beginning and 130.4MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-21 03:27:16,411 INFO L158 Benchmark]: BuchiAutomizer took 1246.79ms. Allocated memory is still 167.8MB. Free memory was 130.4MB in the beginning and 121.7MB in the end (delta: 8.7MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2022-02-21 03:27:16,411 INFO L158 Benchmark]: Witness Printer took 2.02ms. Allocated memory is still 167.8MB. Free memory is still 121.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:27:16,413 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 119.5MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 175.81ms. Allocated memory was 119.5MB in the beginning and 167.8MB in the end (delta: 48.2MB). Free memory was 91.8MB in the beginning and 141.6MB in the end (delta: -49.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.12ms. Allocated memory is still 167.8MB. Free memory was 141.6MB in the beginning and 140.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.55ms. Allocated memory is still 167.8MB. Free memory was 140.4MB in the beginning and 139.5MB in the end (delta: 906.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 206.79ms. Allocated memory is still 167.8MB. Free memory was 139.1MB in the beginning and 130.4MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1246.79ms. Allocated memory is still 167.8MB. Free memory was 130.4MB in the beginning and 121.7MB in the end (delta: 8.7MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Witness Printer took 2.02ms. Allocated memory is still 167.8MB. Free memory is still 121.0MB. 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 -2147483648 * y + 2147483647 * x and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. 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 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 10 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax176 hnf100 lsp56 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq135 hnf95 smp100 dnf100 smp100 tf100 neg100 sie118 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-02-21 03:27:16,433 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 [2022-02-21 03:27:16,647 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