./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-lit/hhk2008.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loop-lit/hhk2008.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 71a7284f447428ecffa93ec68ad1c6e5855fc63e0841f7f396bb4f1c281c6b13 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 02:21:06,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 02:21:06,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 02:21:06,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 02:21:06,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 02:21:06,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 02:21:06,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 02:21:06,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 02:21:06,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 02:21:06,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 02:21:06,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 02:21:06,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 02:21:06,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 02:21:06,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 02:21:06,624 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 02:21:06,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 02:21:06,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 02:21:06,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 02:21:06,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 02:21:06,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 02:21:06,641 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 02:21:06,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 02:21:06,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 02:21:06,645 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 02:21:06,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 02:21:06,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 02:21:06,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 02:21:06,653 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 02:21:06,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 02:21:06,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 02:21:06,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 02:21:06,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 02:21:06,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 02:21:06,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 02:21:06,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 02:21:06,659 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 02:21:06,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 02:21:06,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 02:21:06,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 02:21:06,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 02:21:06,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 02:21:06,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 02:21:06,669 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-22 02:21:06,710 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 02:21:06,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 02:21:06,711 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 02:21:06,711 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 02:21:06,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 02:21:06,713 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 02:21:06,713 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 02:21:06,713 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 02:21:06,713 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 02:21:06,714 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 02:21:06,714 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 02:21:06,714 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 02:21:06,715 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 02:21:06,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 02:21:06,715 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 02:21:06,715 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 02:21:06,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 02:21:06,716 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 02:21:06,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 02:21:06,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 02:21:06,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 02:21:06,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 02:21:06,717 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 02:21:06,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 02:21:06,717 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 02:21:06,717 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 02:21:06,717 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 02:21:06,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 02:21:06,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 02:21:06,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 02:21:06,718 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 02:21:06,719 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 02:21:06,719 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71a7284f447428ecffa93ec68ad1c6e5855fc63e0841f7f396bb4f1c281c6b13 [2022-07-22 02:21:07,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 02:21:07,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 02:21:07,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 02:21:07,068 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 02:21:07,068 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 02:21:07,070 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/hhk2008.i [2022-07-22 02:21:07,143 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0efe5fee7/9dc39d99638b4a79854e25969a40ebe3/FLAGc1104f1e3 [2022-07-22 02:21:07,601 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 02:21:07,602 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/hhk2008.i [2022-07-22 02:21:07,611 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0efe5fee7/9dc39d99638b4a79854e25969a40ebe3/FLAGc1104f1e3 [2022-07-22 02:21:08,003 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0efe5fee7/9dc39d99638b4a79854e25969a40ebe3 [2022-07-22 02:21:08,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 02:21:08,007 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 02:21:08,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 02:21:08,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 02:21:08,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 02:21:08,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:21:08" (1/1) ... [2022-07-22 02:21:08,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f6853bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:21:08, skipping insertion in model container [2022-07-22 02:21:08,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:21:08" (1/1) ... [2022-07-22 02:21:08,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 02:21:08,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 02:21:08,211 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/hhk2008.i[895,908] [2022-07-22 02:21:08,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:21:08,234 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 02:21:08,247 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/hhk2008.i[895,908] [2022-07-22 02:21:08,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:21:08,279 INFO L208 MainTranslator]: Completed translation [2022-07-22 02:21:08,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:21:08 WrapperNode [2022-07-22 02:21:08,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 02:21:08,282 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 02:21:08,282 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 02:21:08,282 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 02:21:08,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:21:08" (1/1) ... [2022-07-22 02:21:08,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:21:08" (1/1) ... [2022-07-22 02:21:08,312 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2022-07-22 02:21:08,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 02:21:08,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 02:21:08,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 02:21:08,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 02:21:08,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:21:08" (1/1) ... [2022-07-22 02:21:08,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:21:08" (1/1) ... [2022-07-22 02:21:08,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:21:08" (1/1) ... [2022-07-22 02:21:08,323 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:21:08" (1/1) ... [2022-07-22 02:21:08,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:21:08" (1/1) ... [2022-07-22 02:21:08,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:21:08" (1/1) ... [2022-07-22 02:21:08,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:21:08" (1/1) ... [2022-07-22 02:21:08,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 02:21:08,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 02:21:08,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 02:21:08,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 02:21:08,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:21:08" (1/1) ... [2022-07-22 02:21:08,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:21:08,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:21:08,371 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:21:08,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-22 02:21:08,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 02:21:08,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 02:21:08,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 02:21:08,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 02:21:08,446 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 02:21:08,447 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 02:21:08,567 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 02:21:08,572 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 02:21:08,572 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-22 02:21:08,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:21:08 BoogieIcfgContainer [2022-07-22 02:21:08,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 02:21:08,575 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 02:21:08,575 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 02:21:08,577 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 02:21:08,592 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:21:08,592 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 02:21:08" (1/3) ... [2022-07-22 02:21:08,593 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b6999d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:21:08, skipping insertion in model container [2022-07-22 02:21:08,593 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:21:08,593 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:21:08" (2/3) ... [2022-07-22 02:21:08,594 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b6999d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:21:08, skipping insertion in model container [2022-07-22 02:21:08,594 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:21:08,594 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:21:08" (3/3) ... [2022-07-22 02:21:08,595 INFO L354 chiAutomizerObserver]: Analyzing ICFG hhk2008.i [2022-07-22 02:21:08,668 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 02:21:08,668 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 02:21:08,668 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 02:21:08,668 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 02:21:08,668 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 02:21:08,669 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 02:21:08,669 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 02:21:08,669 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 02:21:08,671 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:21:08,682 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-07-22 02:21:08,688 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:21:08,688 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:21:08,693 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-22 02:21:08,693 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 02:21:08,694 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 02:21:08,695 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:21:08,698 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-07-22 02:21:08,699 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:21:08,699 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:21:08,700 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-22 02:21:08,700 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 02:21:08,705 INFO L752 eck$LassoCheckResult]: Stem: 5#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); 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_~a~0#1, main_~b~0#1, main_~res~0#1, main_~cnt~0#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_~res~0#1;havoc main_~cnt~0#1; 8#L28true assume !!(main_~a~0#1 <= 1000000); 9#L29true assume !!(0 <= main_~b~0#1 && main_~b~0#1 <= 1000000);main_~res~0#1 := main_~a~0#1;main_~cnt~0#1 := main_~b~0#1; 2#L32-2true [2022-07-22 02:21:08,705 INFO L754 eck$LassoCheckResult]: Loop: 2#L32-2true assume !!(main_~cnt~0#1 > 0);main_~cnt~0#1 := main_~cnt~0#1 - 1;main_~res~0#1 := 1 + main_~res~0#1; 2#L32-2true [2022-07-22 02:21:08,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:21:08,712 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2022-07-22 02:21:08,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:21:08,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028793562] [2022-07-22 02:21:08,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:21:08,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:21:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:21:08,790 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:21:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:21:08,825 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:21:08,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:21:08,828 INFO L85 PathProgramCache]: Analyzing trace with hash 52, now seen corresponding path program 1 times [2022-07-22 02:21:08,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:21:08,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347616902] [2022-07-22 02:21:08,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:21:08,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:21:08,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:21:08,842 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:21:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:21:08,853 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:21:08,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:21:08,862 INFO L85 PathProgramCache]: Analyzing trace with hash 28695853, now seen corresponding path program 1 times [2022-07-22 02:21:08,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:21:08,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170766677] [2022-07-22 02:21:08,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:21:08,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:21:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:21:08,875 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:21:08,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:21:08,883 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:21:08,958 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 02:21:08,960 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 02:21:08,960 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 02:21:08,960 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 02:21:08,960 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 02:21:08,961 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:21:08,961 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 02:21:08,961 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 02:21:08,961 INFO L133 ssoRankerPreferences]: Filename of dumped script: hhk2008.i_Iteration1_Loop [2022-07-22 02:21:08,961 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 02:21:08,962 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 02:21:08,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:21:08,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:21:09,026 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 02:21:09,026 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 02:21:09,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:21:09,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:21:09,032 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:21:09,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-22 02:21:09,039 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 02:21:09,040 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 02:21:09,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-22 02:21:09,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:21:09,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:21:09,094 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:21:09,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-22 02:21:09,104 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 02:21:09,104 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 02:21:09,140 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 02:21:09,140 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~res~0#1=0} Honda state: {ULTIMATE.start_main_~res~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~res~0#1=-6}, {ULTIMATE.start_main_~res~0#1=7}, {ULTIMATE.start_main_~res~0#1=0}] Lambdas: [1, 1, 13] Nus: [0, 0] [2022-07-22 02:21:09,165 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-22 02:21:09,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:21:09,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:21:09,168 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:21:09,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-22 02:21:09,170 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 02:21:09,170 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 02:21:09,217 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 [2022-07-22 02:21:09,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:21:09,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:21:09,219 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:21:09,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-22 02:21:09,222 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 02:21:09,223 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 02:21:09,254 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 02:21:09,260 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-22 02:21:09,261 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 02:21:09,261 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 02:21:09,261 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 02:21:09,261 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 02:21:09,261 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 02:21:09,261 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:21:09,261 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 02:21:09,261 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 02:21:09,261 INFO L133 ssoRankerPreferences]: Filename of dumped script: hhk2008.i_Iteration1_Loop [2022-07-22 02:21:09,261 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 02:21:09,261 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 02:21:09,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:21:09,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:21:09,295 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 02:21:09,298 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 02:21:09,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:21:09,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:21:09,301 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:21:09,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-22 02:21:09,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 02:21:09,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:21:09,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:21:09,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:21:09,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:21:09,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:21:09,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:21:09,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:21:09,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:21:09,348 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 [2022-07-22 02:21:09,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:21:09,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:21:09,350 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:21:09,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-22 02:21:09,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 02:21:09,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:21:09,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:21:09,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:21:09,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:21:09,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:21:09,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:21:09,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:21:09,427 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 02:21:09,430 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 02:21:09,430 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 02:21:09,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:21:09,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:21:09,446 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:21:09,450 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 02:21:09,450 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 02:21:09,450 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 02:21:09,450 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~cnt~0#1) = 1*ULTIMATE.start_main_~cnt~0#1 Supporting invariants [] [2022-07-22 02:21:09,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-22 02:21:09,466 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-07-22 02:21:09,470 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 02:21:09,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:21:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:21:09,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 02:21:09,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:21:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:21:09,534 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 02:21:09,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:21:09,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:21:09,557 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 02:21:09,558 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:21:09,584 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 30 states and 36 transitions. Complement of second has 5 states. [2022-07-22 02:21:09,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-22 02:21:09,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:21:09,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2022-07-22 02:21:09,590 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 4 letters. Loop has 1 letters. [2022-07-22 02:21:09,591 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:21:09,591 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-22 02:21:09,591 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:21:09,593 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 4 letters. Loop has 2 letters. [2022-07-22 02:21:09,594 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:21:09,595 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 36 transitions. [2022-07-22 02:21:09,598 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 02:21:09,599 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 0 states and 0 transitions. [2022-07-22 02:21:09,600 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-22 02:21:09,600 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-22 02:21:09,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-22 02:21:09,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 02:21:09,600 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 02:21:09,600 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 02:21:09,600 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 02:21:09,600 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 02:21:09,600 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-22 02:21:09,600 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 02:21:09,600 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-22 02:21:09,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 02:21:09 BoogieIcfgContainer [2022-07-22 02:21:09,604 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 02:21:09,605 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 02:21:09,605 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 02:21:09,605 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 02:21:09,605 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:21:08" (3/4) ... [2022-07-22 02:21:09,607 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-22 02:21:09,607 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 02:21:09,607 INFO L158 Benchmark]: Toolchain (without parser) took 1600.58ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 29.9MB in the beginning and 35.6MB in the end (delta: -5.7MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2022-07-22 02:21:09,608 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 52.4MB. Free memory is still 33.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:21:09,608 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.88ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 29.7MB in the beginning and 48.9MB in the end (delta: -19.2MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2022-07-22 02:21:09,608 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.16ms. Allocated memory is still 65.0MB. Free memory was 48.9MB in the beginning and 47.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:21:09,609 INFO L158 Benchmark]: Boogie Preprocessor took 31.35ms. Allocated memory is still 65.0MB. Free memory was 47.6MB in the beginning and 46.7MB in the end (delta: 930.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:21:09,609 INFO L158 Benchmark]: RCFGBuilder took 227.42ms. Allocated memory is still 65.0MB. Free memory was 46.5MB in the beginning and 38.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-22 02:21:09,609 INFO L158 Benchmark]: BuchiAutomizer took 1029.70ms. Allocated memory is still 65.0MB. Free memory was 37.9MB in the beginning and 35.9MB in the end (delta: 2.0MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2022-07-22 02:21:09,609 INFO L158 Benchmark]: Witness Printer took 2.08ms. Allocated memory is still 65.0MB. Free memory was 35.9MB in the beginning and 35.6MB in the end (delta: 285.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:21:09,611 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 52.4MB. Free memory is still 33.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.88ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 29.7MB in the beginning and 48.9MB in the end (delta: -19.2MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.16ms. Allocated memory is still 65.0MB. Free memory was 48.9MB in the beginning and 47.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.35ms. Allocated memory is still 65.0MB. Free memory was 47.6MB in the beginning and 46.7MB in the end (delta: 930.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 227.42ms. Allocated memory is still 65.0MB. Free memory was 46.5MB in the beginning and 38.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1029.70ms. Allocated memory is still 65.0MB. Free memory was 37.9MB in the beginning and 35.9MB in the end (delta: 2.0MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Witness Printer took 2.08ms. Allocated memory is still 65.0MB. Free memory was 35.9MB in the beginning and 35.6MB in the end (delta: 285.8kB). 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 cnt and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 20 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, 14 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp66 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 31ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-22 02:21:09,635 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 [2022-07-22 02:21:09,847 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