./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-lit/css2003.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- 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/loop-lit/css2003.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash 3cc40df30b48f0dde21200c49a8e3c2dcaea3151eb010f51f5a34e59bc04994b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 03:59:53,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 03:59:53,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 03:59:53,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 03:59:53,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 03:59:53,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 03:59:53,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 03:59:53,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 03:59:54,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 03:59:54,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 03:59:54,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 03:59:54,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 03:59:54,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 03:59:54,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 03:59:54,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 03:59:54,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 03:59:54,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 03:59:54,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 03:59:54,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 03:59:54,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 03:59:54,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 03:59:54,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 03:59:54,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 03:59:54,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 03:59:54,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 03:59:54,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 03:59:54,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 03:59:54,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 03:59:54,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 03:59:54,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 03:59:54,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 03:59:54,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 03:59:54,028 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 03:59:54,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 03:59:54,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 03:59:54,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 03:59:54,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 03:59:54,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 03:59:54,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 03:59:54,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 03:59:54,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 03:59:54,033 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 03:59:54,056 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 03:59:54,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 03:59:54,058 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 03:59:54,058 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 03:59:54,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 03:59:54,059 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 03:59:54,059 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 03:59:54,060 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 03:59:54,060 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 03:59:54,060 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 03:59:54,060 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 03:59:54,061 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 03:59:54,061 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 03:59:54,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 03:59:54,061 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 03:59:54,061 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 03:59:54,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 03:59:54,061 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 03:59:54,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 03:59:54,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 03:59:54,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 03:59:54,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 03:59:54,062 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 03:59:54,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 03:59:54,063 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 03:59:54,063 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 03:59:54,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 03:59:54,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 03:59:54,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 03:59:54,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 03:59:54,064 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 03:59:54,065 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 03:59:54,065 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cc40df30b48f0dde21200c49a8e3c2dcaea3151eb010f51f5a34e59bc04994b [2022-02-21 03:59:54,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 03:59:54,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 03:59:54,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 03:59:54,286 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 03:59:54,286 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 03:59:54,287 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/css2003.i [2022-02-21 03:59:54,335 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f19d26d9/09d7226d7d2140e0ace9a9735a6db0ae/FLAG325033ca3 [2022-02-21 03:59:54,635 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 03:59:54,635 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/css2003.i [2022-02-21 03:59:54,640 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f19d26d9/09d7226d7d2140e0ace9a9735a6db0ae/FLAG325033ca3 [2022-02-21 03:59:55,073 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f19d26d9/09d7226d7d2140e0ace9a9735a6db0ae [2022-02-21 03:59:55,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 03:59:55,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 03:59:55,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 03:59:55,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 03:59:55,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 03:59:55,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:59:55" (1/1) ... [2022-02-21 03:59:55,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36c835f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:59:55, skipping insertion in model container [2022-02-21 03:59:55,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:59:55" (1/1) ... [2022-02-21 03:59:55,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 03:59:55,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 03:59:55,228 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/css2003.i[895,908] [2022-02-21 03:59:55,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:59:55,244 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 03:59:55,257 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/css2003.i[895,908] [2022-02-21 03:59:55,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:59:55,274 INFO L208 MainTranslator]: Completed translation [2022-02-21 03:59:55,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:59:55 WrapperNode [2022-02-21 03:59:55,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 03:59:55,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 03:59:55,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 03:59:55,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 03:59:55,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:59:55" (1/1) ... [2022-02-21 03:59:55,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:59:55" (1/1) ... [2022-02-21 03:59:55,306 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2022-02-21 03:59:55,307 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 03:59:55,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 03:59:55,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 03:59:55,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 03:59:55,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:59:55" (1/1) ... [2022-02-21 03:59:55,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:59:55" (1/1) ... [2022-02-21 03:59:55,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:59:55" (1/1) ... [2022-02-21 03:59:55,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:59:55" (1/1) ... [2022-02-21 03:59:55,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:59:55" (1/1) ... [2022-02-21 03:59:55,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:59:55" (1/1) ... [2022-02-21 03:59:55,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:59:55" (1/1) ... [2022-02-21 03:59:55,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 03:59:55,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 03:59:55,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 03:59:55,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 03:59:55,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:59:55" (1/1) ... [2022-02-21 03:59:55,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:59:55,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:59:55,350 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 03:59:55,359 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 03:59:55,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 03:59:55,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 03:59:55,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 03:59:55,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 03:59:55,418 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 03:59:55,419 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 03:59:55,503 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 03:59:55,508 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 03:59:55,508 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-21 03:59:55,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:59:55 BoogieIcfgContainer [2022-02-21 03:59:55,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 03:59:55,510 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 03:59:55,511 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 03:59:55,513 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 03:59:55,514 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:59:55,514 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 03:59:55" (1/3) ... [2022-02-21 03:59:55,515 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@633ee0be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:59:55, skipping insertion in model container [2022-02-21 03:59:55,515 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:59:55,515 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:59:55" (2/3) ... [2022-02-21 03:59:55,516 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@633ee0be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:59:55, skipping insertion in model container [2022-02-21 03:59:55,516 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:59:55,516 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:59:55" (3/3) ... [2022-02-21 03:59:55,517 INFO L388 chiAutomizerObserver]: Analyzing ICFG css2003.i [2022-02-21 03:59:55,547 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 03:59:55,548 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 03:59:55,548 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 03:59:55,548 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 03:59:55,548 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 03:59:55,548 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 03:59:55,548 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 03:59:55,548 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 03:59:55,559 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:59:55,586 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-02-21 03:59:55,586 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:59:55,587 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:59:55,590 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-02-21 03:59:55,603 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-02-21 03:59:55,603 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 03:59:55,604 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:59:55,606 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-02-21 03:59:55,606 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:59:55,606 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:59:55,606 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-02-21 03:59:55,607 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-02-21 03:59:55,611 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue 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(9, 2); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_~i~0#1, main_~j~0#1, main_~k~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;main_~i~0#1 := 1;main_~j~0#1 := 1;main_~k~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 8#L29true assume !!(0 <= main_~k~0#1 && main_~k~0#1 <= 1); 4#L30-2true [2022-02-21 03:59:55,612 INFO L793 eck$LassoCheckResult]: Loop: 4#L30-2true assume !!(main_~i~0#1 < 1000000);main_~i~0#1 := 1 + main_~i~0#1;main_~j~0#1 := main_~j~0#1 + main_~k~0#1;main_~k~0#1 := main_~k~0#1 - 1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if (1 <= main_~i~0#1 + main_~k~0#1 && main_~i~0#1 + main_~k~0#1 <= 2) && main_~i~0#1 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 5#L18true assume !(0 == __VERIFIER_assert_~cond#1); 7#L18-2true assume { :end_inline___VERIFIER_assert } true; 4#L30-2true [2022-02-21 03:59:55,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:59:55,627 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-02-21 03:59:55,634 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:59:55,634 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031114366] [2022-02-21 03:59:55,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:59:55,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:59:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:59:55,746 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:59:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:59:55,783 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:59:55,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:59:55,786 INFO L85 PathProgramCache]: Analyzing trace with hash 45906, now seen corresponding path program 1 times [2022-02-21 03:59:55,787 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:59:55,788 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879616163] [2022-02-21 03:59:55,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:59:55,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:59:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:59:55,819 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:59:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:59:55,839 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:59:55,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:59:55,841 INFO L85 PathProgramCache]: Analyzing trace with hash 889575375, now seen corresponding path program 1 times [2022-02-21 03:59:55,841 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:59:55,842 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967688448] [2022-02-21 03:59:55,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:59:55,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:59:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:59:55,875 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:59:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:59:55,900 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:59:56,144 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:59:56,144 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:59:56,145 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:59:56,145 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:59:56,145 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-02-21 03:59:56,145 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:59:56,145 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:59:56,146 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:59:56,146 INFO L133 ssoRankerPreferences]: Filename of dumped script: css2003.i_Iteration1_Loop [2022-02-21 03:59:56,146 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:59:56,146 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:59:56,159 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 03:59:56,182 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 03:59:56,266 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:59:56,267 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-02-21 03:59:56,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:59:56,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:59:56,278 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 03:59:56,279 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 03:59:56,281 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 03:59:56,281 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:59:56,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-02-21 03:59:56,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:59:56,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:59:56,325 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 03:59:56,328 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 03:59:56,329 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-02-21 03:59:56,329 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:59:56,370 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-02-21 03:59:56,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-02-21 03:59:56,374 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:59:56,374 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:59:56,374 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:59:56,374 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:59:56,374 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-02-21 03:59:56,374 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:59:56,375 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:59:56,375 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:59:56,375 INFO L133 ssoRankerPreferences]: Filename of dumped script: css2003.i_Iteration1_Loop [2022-02-21 03:59:56,375 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:59:56,375 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:59:56,376 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 03:59:56,388 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 03:59:56,454 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:59:56,458 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-02-21 03:59:56,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:59:56,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:59:56,467 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 03:59:56,468 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 03:59:56,470 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 03:59:56,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:59:56,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:59:56,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:59:56,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:59:56,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:59:56,479 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:59:56,480 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:59:56,488 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-02-21 03:59:56,508 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-02-21 03:59:56,508 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-02-21 03:59:56,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:59:56,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:59:56,511 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 03:59:56,521 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-02-21 03:59:56,521 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-02-21 03:59:56,521 INFO L513 LassoAnalysis]: Proved termination. [2022-02-21 03:59:56,522 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 1999999 Supporting invariants [] [2022-02-21 03:59:56,536 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 03:59:56,540 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 03:59:56,547 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-02-21 03:59:56,551 INFO L390 LassoCheck]: Loop: "assume !!(main_~i~0#1 < 1000000);main_~i~0#1 := 1 + main_~i~0#1;main_~j~0#1 := main_~j~0#1 + main_~k~0#1;main_~k~0#1 := main_~k~0#1 - 1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if (1 <= main_~i~0#1 + main_~k~0#1 && main_~i~0#1 + main_~k~0#1 <= 2) && main_~i~0#1 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1;" "assume !(0 == __VERIFIER_assert_~cond#1);" "assume { :end_inline___VERIFIER_assert } true;" [2022-02-21 03:59:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:59:56,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:59:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:59:56,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 2 conjunts are in the unsatisfiable core [2022-02-21 03:59:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:59:56,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:59:56,617 INFO L290 TraceCheckUtils]: 0: Hoare triple {21#unseeded} 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(9, 2); {21#unseeded} is VALID [2022-02-21 03:59:56,619 INFO L290 TraceCheckUtils]: 1: Hoare triple {21#unseeded} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_~i~0#1, main_~j~0#1, main_~k~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;main_~i~0#1 := 1;main_~j~0#1 := 1;main_~k~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; {21#unseeded} is VALID [2022-02-21 03:59:56,619 INFO L290 TraceCheckUtils]: 2: Hoare triple {21#unseeded} assume !!(0 <= main_~k~0#1 && main_~k~0#1 <= 1); {21#unseeded} is VALID [2022-02-21 03:59:56,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:59:56,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-21 03:59:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:59:56,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:59:56,693 INFO L290 TraceCheckUtils]: 0: Hoare triple {24#(>= oldRank0 (+ (* (- 2) |ULTIMATE.start_main_~i~0#1|) 1999999))} assume !!(main_~i~0#1 < 1000000);main_~i~0#1 := 1 + main_~i~0#1;main_~j~0#1 := main_~j~0#1 + main_~k~0#1;main_~k~0#1 := main_~k~0#1 - 1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if (1 <= main_~i~0#1 + main_~k~0#1 && main_~i~0#1 + main_~k~0#1 <= 2) && main_~i~0#1 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; {45#(and (<= (+ (div (+ oldRank0 (- 1999999)) (- 2)) 1) |ULTIMATE.start_main_~i~0#1|) (< (div (+ oldRank0 (- 1999999)) (- 2)) 1000000))} is VALID [2022-02-21 03:59:56,694 INFO L290 TraceCheckUtils]: 1: Hoare triple {45#(and (<= (+ (div (+ oldRank0 (- 1999999)) (- 2)) 1) |ULTIMATE.start_main_~i~0#1|) (< (div (+ oldRank0 (- 1999999)) (- 2)) 1000000))} assume !(0 == __VERIFIER_assert_~cond#1); {45#(and (<= (+ (div (+ oldRank0 (- 1999999)) (- 2)) 1) |ULTIMATE.start_main_~i~0#1|) (< (div (+ oldRank0 (- 1999999)) (- 2)) 1000000))} is VALID [2022-02-21 03:59:56,694 INFO L290 TraceCheckUtils]: 2: Hoare triple {45#(and (<= (+ (div (+ oldRank0 (- 1999999)) (- 2)) 1) |ULTIMATE.start_main_~i~0#1|) (< (div (+ oldRank0 (- 1999999)) (- 2)) 1000000))} assume { :end_inline___VERIFIER_assert } true; {34#(or unseeded (and (>= oldRank0 0) (> oldRank0 (+ (* (- 2) |ULTIMATE.start_main_~i~0#1|) 1999999))))} is VALID [2022-02-21 03:59:56,695 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 03:59:56,717 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:59:56,725 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 03:59:56,726 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 3 letters. Loop has 3 letters. [2022-02-21 03:59:56,728 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,731 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-02-21 03:59:56,732 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:59:56,796 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 38 transitions. Complement of second has 5 states. [2022-02-21 03:59:56,796 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 03:59:56,796 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:59:56,797 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:59:56,799 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-02-21 03:59:56,799 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:59:56,799 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:59:56,800 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:59:56,804 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-02-21 03:59:56,804 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:59:56,805 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:59:56,805 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 38 transitions. [2022-02-21 03:59:56,807 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:59:56,807 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:59:56,809 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:59:56,813 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-02-21 03:59:56,814 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 4 examples of accepted words. [2022-02-21 03:59:56,814 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:59:56,818 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-02-21 03:59:56,821 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:59:56,821 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 31 states and 38 transitions. cyclomatic complexity: 9 [2022-02-21 03:59:56,822 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 38 transitions. cyclomatic complexity: 9 [2022-02-21 03:59:56,822 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:59:56,822 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2022-02-21 03:59:56,823 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 3 letters. Loop has 3 letters. [2022-02-21 03:59:56,823 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,823 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 3 letters. Loop has 3 letters. [2022-02-21 03:59:56,823 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,824 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 31 states and 38 transitions. cyclomatic complexity: 9 Stem has 3 letters. Loop has 3 letters. [2022-02-21 03:59:56,824 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,824 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:59:56,824 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,825 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:59:56,825 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,825 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 31 states and 38 transitions. cyclomatic complexity: 9 Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:59:56,825 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,825 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 31 letters. Loop has 31 letters. [2022-02-21 03:59:56,826 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,826 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 31 letters. Loop has 31 letters. [2022-02-21 03:59:56,826 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,826 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 31 states and 38 transitions. cyclomatic complexity: 9 Stem has 31 letters. Loop has 31 letters. [2022-02-21 03:59:56,826 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,826 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 11 letters. Loop has 11 letters. [2022-02-21 03:59:56,827 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,827 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 11 letters. Loop has 11 letters. [2022-02-21 03:59:56,827 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,827 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 31 states and 38 transitions. cyclomatic complexity: 9 Stem has 11 letters. Loop has 11 letters. [2022-02-21 03:59:56,827 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,827 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 4 letters. Loop has 4 letters. [2022-02-21 03:59:56,827 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,828 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 4 letters. Loop has 4 letters. [2022-02-21 03:59:56,828 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,828 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 31 states and 38 transitions. cyclomatic complexity: 9 Stem has 4 letters. Loop has 4 letters. [2022-02-21 03:59:56,828 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,828 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 4 letters. Loop has 3 letters. [2022-02-21 03:59:56,828 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,828 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 4 letters. Loop has 3 letters. [2022-02-21 03:59:56,829 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 31 states and 38 transitions. cyclomatic complexity: 9 Stem has 4 letters. Loop has 3 letters. [2022-02-21 03:59:56,829 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 3 letters. Loop has 3 letters. [2022-02-21 03:59:56,829 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 3 letters. Loop has 3 letters. [2022-02-21 03:59:56,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,854 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 31 states and 38 transitions. cyclomatic complexity: 9 Stem has 3 letters. Loop has 3 letters. [2022-02-21 03:59:56,855 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,855 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 5 letters. Loop has 3 letters. [2022-02-21 03:59:56,855 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,855 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 5 letters. Loop has 3 letters. [2022-02-21 03:59:56,855 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,856 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 31 states and 38 transitions. cyclomatic complexity: 9 Stem has 5 letters. Loop has 3 letters. [2022-02-21 03:59:56,856 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,856 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 5 letters. Loop has 4 letters. [2022-02-21 03:59:56,856 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,856 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 5 letters. Loop has 4 letters. [2022-02-21 03:59:56,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 31 states and 38 transitions. cyclomatic complexity: 9 Stem has 5 letters. Loop has 4 letters. [2022-02-21 03:59:56,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:59:56,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:59:56,858 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 31 states and 38 transitions. cyclomatic complexity: 9 Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:59:56,858 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:59:56,858 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:59:56,859 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,859 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 31 states and 38 transitions. cyclomatic complexity: 9 Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:59:56,859 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,859 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:59:56,862 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 [2022-02-21 03:59:56,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:59:56,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 29 transitions. [2022-02-21 03:59:56,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 3 letters. Loop has 3 letters. [2022-02-21 03:59:56,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 6 letters. Loop has 3 letters. [2022-02-21 03:59:56,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 3 letters. Loop has 6 letters. [2022-02-21 03:59:56,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:59:56,869 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. cyclomatic complexity: 9 [2022-02-21 03:59:56,871 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:59:56,872 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2022-02-21 03:59:56,873 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-02-21 03:59:56,873 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-02-21 03:59:56,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-02-21 03:59:56,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 03:59:56,873 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:59:56,874 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:59:56,874 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:59:56,874 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 03:59:56,874 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-02-21 03:59:56,874 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:59:56,874 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:59:56,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 03:59:56 BoogieIcfgContainer [2022-02-21 03:59:56,879 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 03:59:56,880 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 03:59:56,880 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 03:59:56,880 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 03:59:56,880 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:59:55" (3/4) ... [2022-02-21 03:59:56,882 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-02-21 03:59:56,882 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 03:59:56,883 INFO L158 Benchmark]: Toolchain (without parser) took 1807.70ms. Allocated memory was 86.0MB in the beginning and 127.9MB in the end (delta: 41.9MB). Free memory was 49.4MB in the beginning and 99.8MB in the end (delta: -50.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:59:56,884 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 86.0MB. Free memory was 65.2MB in the beginning and 65.2MB in the end (delta: 48.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:59:56,885 INFO L158 Benchmark]: CACSL2BoogieTranslator took 199.04ms. Allocated memory was 86.0MB in the beginning and 127.9MB in the end (delta: 41.9MB). Free memory was 49.2MB in the beginning and 102.9MB in the end (delta: -53.7MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2022-02-21 03:59:56,885 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.76ms. Allocated memory is still 127.9MB. Free memory was 102.9MB in the beginning and 101.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 03:59:56,885 INFO L158 Benchmark]: Boogie Preprocessor took 12.64ms. Allocated memory is still 127.9MB. Free memory was 101.2MB in the beginning and 100.2MB in the end (delta: 997.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 03:59:56,886 INFO L158 Benchmark]: RCFGBuilder took 188.75ms. Allocated memory is still 127.9MB. Free memory was 100.2MB in the beginning and 91.1MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-21 03:59:56,886 INFO L158 Benchmark]: BuchiAutomizer took 1368.68ms. Allocated memory is still 127.9MB. Free memory was 91.1MB in the beginning and 99.8MB in the end (delta: -8.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:59:56,886 INFO L158 Benchmark]: Witness Printer took 2.87ms. Allocated memory is still 127.9MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:59:56,888 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 0.18ms. Allocated memory is still 86.0MB. Free memory was 65.2MB in the beginning and 65.2MB in the end (delta: 48.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 199.04ms. Allocated memory was 86.0MB in the beginning and 127.9MB in the end (delta: 41.9MB). Free memory was 49.2MB in the beginning and 102.9MB in the end (delta: -53.7MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.76ms. Allocated memory is still 127.9MB. Free memory was 102.9MB in the beginning and 101.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 12.64ms. Allocated memory is still 127.9MB. Free memory was 101.2MB in the beginning and 100.2MB in the end (delta: 997.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 188.75ms. Allocated memory is still 127.9MB. Free memory was 100.2MB in the beginning and 91.1MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1368.68ms. Allocated memory is still 127.9MB. Free memory was 91.1MB in the beginning and 99.8MB in the end (delta: -8.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.87ms. Allocated memory is still 127.9MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 1999999 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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, 15 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 12 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital39 mio100 ax100 hnf100 lsp84 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq154 hnf94 smp100 dnf100 smp100 tf104 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 63ms VariablesStem: 0 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 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 03:59:56,914 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