./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-invgen/large_const.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5fbdf5bf 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-invgen/large_const.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 8a29efc1cd20d7b6b63b545aee1e0a42be6fb6f9 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Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-31 02:45:25,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 02:45:25,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 02:45:25,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 02:45:25,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 02:45:25,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 02:45:25,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 02:45:25,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 02:45:25,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 02:45:25,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 02:45:25,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 02:45:25,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 02:45:25,724 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 02:45:25,725 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 02:45:25,726 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 02:45:25,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 02:45:25,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 02:45:25,730 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 02:45:25,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 02:45:25,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 02:45:25,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 02:45:25,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 02:45:25,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 02:45:25,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 02:45:25,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 02:45:25,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 02:45:25,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 02:45:25,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 02:45:25,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 02:45:25,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 02:45:25,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 02:45:25,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 02:45:25,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 02:45:25,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 02:45:25,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 02:45:25,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 02:45:25,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 02:45:25,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 02:45:25,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 02:45:25,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 02:45:25,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 02:45:25,755 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 02:45:25,785 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 02:45:25,785 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 02:45:25,786 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 02:45:25,786 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 02:45:25,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 02:45:25,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 02:45:25,788 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 02:45:25,788 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 02:45:25,788 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 02:45:25,788 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 02:45:25,788 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 02:45:25,789 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 02:45:25,789 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 02:45:25,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 02:45:25,789 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 02:45:25,789 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 02:45:25,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 02:45:25,789 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 02:45:25,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 02:45:25,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 02:45:25,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 02:45:25,790 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 02:45:25,790 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 02:45:25,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 02:45:25,790 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 02:45:25,790 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 02:45:25,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 02:45:25,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 02:45:25,790 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 02:45:25,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 02:45:25,790 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 02:45:25,791 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 02:45:25,791 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 02:45:25,791 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a29efc1cd20d7b6b63b545aee1e0a42be6fb6f9 [2021-08-31 02:45:26,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 02:45:26,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 02:45:26,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 02:45:26,085 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 02:45:26,086 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 02:45:26,087 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/large_const.i [2021-08-31 02:45:26,136 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f2d0fc51/87adb4d2a82f4322b3dc9cb643767692/FLAGceef5e319 [2021-08-31 02:45:26,568 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 02:45:26,568 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/large_const.i [2021-08-31 02:45:26,583 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f2d0fc51/87adb4d2a82f4322b3dc9cb643767692/FLAGceef5e319 [2021-08-31 02:45:26,595 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f2d0fc51/87adb4d2a82f4322b3dc9cb643767692 [2021-08-31 02:45:26,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 02:45:26,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 02:45:26,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 02:45:26,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 02:45:26,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 02:45:26,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 02:45:26" (1/1) ... [2021-08-31 02:45:26,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35213913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:26, skipping insertion in model container [2021-08-31 02:45:26,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 02:45:26" (1/1) ... [2021-08-31 02:45:26,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 02:45:26,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 02:45:26,738 WARN L228 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-invgen/large_const.i[893,906] [2021-08-31 02:45:26,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 02:45:26,754 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 02:45:26,803 WARN L228 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-invgen/large_const.i[893,906] [2021-08-31 02:45:26,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 02:45:26,816 INFO L208 MainTranslator]: Completed translation [2021-08-31 02:45:26,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:26 WrapperNode [2021-08-31 02:45:26,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 02:45:26,818 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 02:45:26,818 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 02:45:26,818 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 02:45:26,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:26" (1/1) ... [2021-08-31 02:45:26,827 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:26" (1/1) ... [2021-08-31 02:45:26,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 02:45:26,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 02:45:26,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 02:45:26,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 02:45:26,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:26" (1/1) ... [2021-08-31 02:45:26,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:26" (1/1) ... [2021-08-31 02:45:26,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:26" (1/1) ... [2021-08-31 02:45:26,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:26" (1/1) ... [2021-08-31 02:45:26,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:26" (1/1) ... [2021-08-31 02:45:26,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:26" (1/1) ... [2021-08-31 02:45:26,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:26" (1/1) ... [2021-08-31 02:45:26,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 02:45:26,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 02:45:26,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 02:45:26,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 02:45:26,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:26" (1/1) ... [2021-08-31 02:45:26,874 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:45:26,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:45:26,916 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) [2021-08-31 02:45:26,958 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 [2021-08-31 02:45:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 02:45:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 02:45:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 02:45:26,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 02:45:27,122 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 02:45:27,122 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-31 02:45:27,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 02:45:27 BoogieIcfgContainer [2021-08-31 02:45:27,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 02:45:27,124 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 02:45:27,125 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 02:45:27,127 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 02:45:27,128 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 02:45:27,128 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 02:45:26" (1/3) ... [2021-08-31 02:45:27,129 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f55ee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 02:45:27, skipping insertion in model container [2021-08-31 02:45:27,129 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 02:45:27,129 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:26" (2/3) ... [2021-08-31 02:45:27,129 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f55ee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 02:45:27, skipping insertion in model container [2021-08-31 02:45:27,129 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 02:45:27,129 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 02:45:27" (3/3) ... [2021-08-31 02:45:27,130 INFO L389 chiAutomizerObserver]: Analyzing ICFG large_const.i [2021-08-31 02:45:27,198 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 02:45:27,199 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 02:45:27,199 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 02:45:27,199 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 02:45:27,199 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 02:45:27,199 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 02:45:27,199 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 02:45:27,199 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 02:45:27,224 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 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) [2021-08-31 02:45:27,234 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-08-31 02:45:27,234 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:45:27,234 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:45:27,248 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-08-31 02:45:27,248 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-31 02:45:27,248 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 02:45:27,248 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 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) [2021-08-31 02:45:27,249 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-08-31 02:45:27,249 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:45:27,249 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:45:27,249 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-08-31 02:45:27,249 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-31 02:45:27,255 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(9); 8#L-1true main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_#t~nondet3, main_#t~post4, main_#t~nondet5, main_#t~post6, main_#t~post7, main_~argc, main_~argv.base, main_~argv.offset, main_~c1~0, main_~c2~0, main_~c3~0, main_~n~0, main_~v~0, main_~i~0, main_~k~0, main_~j~0;main_~argc := main_#in~argc;main_~argv.base, main_~argv.offset := main_#in~argv.base, main_#in~argv.offset;main_~c1~0 := 4000;main_~c2~0 := 2000;main_~c3~0 := 10000;havoc main_~n~0;havoc main_~v~0;havoc main_~i~0;havoc main_~k~0;havoc main_~j~0;main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 7#L31true assume !!(0 <= main_~n~0 && main_~n~0 < 10);main_~k~0 := 0;main_~i~0 := 0; 12#L40-2true [2021-08-31 02:45:27,255 INFO L793 eck$LassoCheckResult]: Loop: 12#L40-2true assume !!(main_~i~0 < main_~n~0);main_#t~post4 := main_~i~0;main_~i~0 := 1 + main_#t~post4;havoc main_#t~post4;main_~v~0 := main_#t~nondet5;havoc main_#t~nondet5; 10#L37true assume !!(0 <= main_~v~0 && main_~n~0 < 2); 15#L38true assume 0 == main_~v~0;main_~k~0 := main_~k~0 + main_~c1~0; 12#L40-2true [2021-08-31 02:45:27,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:45:27,259 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-08-31 02:45:27,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:45:27,266 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206443283] [2021-08-31 02:45:27,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:45:27,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:45:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:45:27,354 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:45:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:45:27,411 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:45:27,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:45:27,414 INFO L82 PathProgramCache]: Analyzing trace with hash 45842, now seen corresponding path program 1 times [2021-08-31 02:45:27,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:45:27,416 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406506075] [2021-08-31 02:45:27,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:45:27,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:45:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:45:27,434 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:45:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:45:27,447 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:45:27,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:45:27,449 INFO L82 PathProgramCache]: Analyzing trace with hash 889575311, now seen corresponding path program 1 times [2021-08-31 02:45:27,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:45:27,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634033882] [2021-08-31 02:45:27,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:45:27,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:45:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:45:27,463 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:45:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:45:27,480 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:45:27,594 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 02:45:27,595 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 02:45:27,595 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 02:45:27,595 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 02:45:27,596 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-31 02:45:27,596 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:45:27,596 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 02:45:27,596 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 02:45:27,596 INFO L133 ssoRankerPreferences]: Filename of dumped script: large_const.i_Iteration1_Loop [2021-08-31 02:45:27,597 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 02:45:27,597 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 02:45:27,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:45:27,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:45:27,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:45:27,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:45:27,687 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 02:45:27,701 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-31 02:45:27,702 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:45:27,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:45:27,704 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) [2021-08-31 02:45:27,706 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 [2021-08-31 02:45:27,707 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 02:45:27,707 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 02:45:27,730 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 02:45:27,730 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~v~0=0, ULTIMATE.start_main_#t~nondet5=0} Honda state: {ULTIMATE.start_main_~v~0=0, ULTIMATE.start_main_#t~nondet5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 02:45:27,752 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 [2021-08-31 02:45:27,752 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:45:27,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:45:27,753 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) [2021-08-31 02:45:27,754 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 [2021-08-31 02:45:27,756 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 02:45:27,756 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 02:45:27,778 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 02:45:27,778 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~k~0=0, ULTIMATE.start_main_~c1~0=0} Honda state: {ULTIMATE.start_main_~k~0=0, ULTIMATE.start_main_~c1~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 02:45:27,796 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 [2021-08-31 02:45:27,796 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:45:27,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:45:27,798 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) [2021-08-31 02:45:27,799 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 [2021-08-31 02:45:27,800 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 02:45:27,800 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 02:45:27,821 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 02:45:27,821 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post4=0} Honda state: {ULTIMATE.start_main_#t~post4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 02:45:27,856 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 [2021-08-31 02:45:27,856 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:45:27,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:45:27,858 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) [2021-08-31 02:45:27,859 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 [2021-08-31 02:45:27,861 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 02:45:27,861 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 02:45:27,898 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 [2021-08-31 02:45:27,899 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:45:27,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:45:27,900 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) [2021-08-31 02:45:27,904 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 [2021-08-31 02:45:27,905 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-31 02:45:27,905 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 02:45:28,012 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-31 02:45:28,017 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-08-31 02:45:28,017 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 02:45:28,017 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 02:45:28,017 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 02:45:28,018 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 02:45:28,018 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 02:45:28,018 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:45:28,018 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 02:45:28,018 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 02:45:28,018 INFO L133 ssoRankerPreferences]: Filename of dumped script: large_const.i_Iteration1_Loop [2021-08-31 02:45:28,018 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 02:45:28,018 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 02:45:28,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:45:28,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:45:28,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:45:28,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:45:28,087 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 02:45:28,092 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 02:45:28,093 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:45:28,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:45:28,094 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) [2021-08-31 02:45:28,096 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 [2021-08-31 02:45:28,097 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 [2021-08-31 02:45:28,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:45:28,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:45:28,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:45:28,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:45:28,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:45:28,120 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:45:28,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:45:28,137 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:45:28,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-08-31 02:45:28,154 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:45:28,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:45:28,169 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) [2021-08-31 02:45:28,191 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 [2021-08-31 02:45:28,194 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 [2021-08-31 02:45:28,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:45:28,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:45:28,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:45:28,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:45:28,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:45:28,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:45:28,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:45:28,214 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 02:45:28,217 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-31 02:45:28,217 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-31 02:45:28,218 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:45:28,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:45:28,220 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:45:28,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-08-31 02:45:28,222 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 02:45:28,222 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-31 02:45:28,222 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 02:45:28,222 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 1 Supporting invariants [] [2021-08-31 02:45:28,241 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 [2021-08-31 02:45:28,243 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-31 02:45:28,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:45:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:45:28,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 02:45:28,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 02:45:28,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:45:28,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-31 02:45:28,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 02:45:28,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 02:45:28,428 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-08-31 02:45:28,429 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 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 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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) [2021-08-31 02:45:28,490 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 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 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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 50 states and 66 transitions. Complement of second has 7 states. [2021-08-31 02:45:28,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-31 02:45:28,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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) [2021-08-31 02:45:28,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 42 transitions. [2021-08-31 02:45:28,498 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 42 transitions. Stem has 3 letters. Loop has 3 letters. [2021-08-31 02:45:28,499 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 02:45:28,499 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 42 transitions. Stem has 6 letters. Loop has 3 letters. [2021-08-31 02:45:28,499 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 02:45:28,499 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 42 transitions. Stem has 3 letters. Loop has 6 letters. [2021-08-31 02:45:28,500 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 02:45:28,501 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 66 transitions. [2021-08-31 02:45:28,504 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-31 02:45:28,507 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 16 states and 22 transitions. [2021-08-31 02:45:28,508 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-08-31 02:45:28,508 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-08-31 02:45:28,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2021-08-31 02:45:28,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 02:45:28,509 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2021-08-31 02:45:28,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2021-08-31 02:45:28,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2021-08-31 02:45:28,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 13 states have internal predecessors, (20), 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) [2021-08-31 02:45:28,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 20 transitions. [2021-08-31 02:45:28,531 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2021-08-31 02:45:28,531 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2021-08-31 02:45:28,531 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 02:45:28,532 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 20 transitions. [2021-08-31 02:45:28,532 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-31 02:45:28,532 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:45:28,532 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:45:28,533 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-08-31 02:45:28,533 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-31 02:45:28,533 INFO L791 eck$LassoCheckResult]: Stem: 114#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(9); 115#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_#t~nondet3, main_#t~post4, main_#t~nondet5, main_#t~post6, main_#t~post7, main_~argc, main_~argv.base, main_~argv.offset, main_~c1~0, main_~c2~0, main_~c3~0, main_~n~0, main_~v~0, main_~i~0, main_~k~0, main_~j~0;main_~argc := main_#in~argc;main_~argv.base, main_~argv.offset := main_#in~argv.base, main_#in~argv.offset;main_~c1~0 := 4000;main_~c2~0 := 2000;main_~c3~0 := 10000;havoc main_~n~0;havoc main_~v~0;havoc main_~i~0;havoc main_~k~0;havoc main_~j~0;main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 124#L31 assume !!(0 <= main_~n~0 && main_~n~0 < 10);main_~k~0 := 0;main_~i~0 := 0; 125#L40-2 assume !(main_~i~0 < main_~n~0); 118#L34-2 main_~j~0 := 0; 116#L46-2 [2021-08-31 02:45:28,534 INFO L793 eck$LassoCheckResult]: Loop: 116#L46-2 assume !!(main_~j~0 < main_~n~0);__VERIFIER_assert_#in~cond := (if main_~k~0 > 0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 112#L18 assume !(0 == __VERIFIER_assert_~cond); 113#L18-2 main_#t~post6 := main_~j~0;main_~j~0 := 1 + main_#t~post6;havoc main_#t~post6;main_#t~post7 := main_~k~0;main_~k~0 := main_#t~post7 - 1;havoc main_#t~post7; 116#L46-2 [2021-08-31 02:45:28,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:45:28,534 INFO L82 PathProgramCache]: Analyzing trace with hash 28695930, now seen corresponding path program 1 times [2021-08-31 02:45:28,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:45:28,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787088086] [2021-08-31 02:45:28,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:45:28,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:45:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:45:28,546 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:45:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:45:28,556 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:45:28,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:45:28,557 INFO L82 PathProgramCache]: Analyzing trace with hash 74703, now seen corresponding path program 1 times [2021-08-31 02:45:28,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:45:28,558 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979390121] [2021-08-31 02:45:28,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:45:28,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:45:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:45:28,564 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:45:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:45:28,574 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:45:28,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:45:28,575 INFO L82 PathProgramCache]: Analyzing trace with hash 182003638, now seen corresponding path program 1 times [2021-08-31 02:45:28,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:45:28,575 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572643572] [2021-08-31 02:45:28,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:45:28,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:45:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:45:28,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 02:45:28,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 02:45:28,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572643572] [2021-08-31 02:45:28,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572643572] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 02:45:28,631 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 02:45:28,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 02:45:28,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981731060] [2021-08-31 02:45:28,677 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 02:45:28,678 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 02:45:28,678 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 02:45:28,678 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 02:45:28,678 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-31 02:45:28,678 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:45:28,678 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 02:45:28,679 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 02:45:28,679 INFO L133 ssoRankerPreferences]: Filename of dumped script: large_const.i_Iteration2_Loop [2021-08-31 02:45:28,679 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 02:45:28,679 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 02:45:28,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:45:28,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:45:28,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:45:28,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:45:28,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:45:28,754 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 02:45:28,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-08-31 02:45:28,758 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-31 02:45:28,759 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:45:28,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:45:28,773 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:45:28,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-08-31 02:45:28,827 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 02:45:28,827 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 02:45:28,836 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 02:45:28,837 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post6=0} Honda state: {ULTIMATE.start_main_#t~post6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 02:45:28,859 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-08-31 02:45:28,860 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:45:28,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:45:28,876 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:45:28,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-08-31 02:45:28,898 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 02:45:28,898 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 02:45:28,921 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 02:45:28,921 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_~cond=1, ULTIMATE.start___VERIFIER_assert_#in~cond=1} Honda state: {ULTIMATE.start___VERIFIER_assert_~cond=1, ULTIMATE.start___VERIFIER_assert_#in~cond=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 02:45:28,961 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-08-31 02:45:28,961 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:45:28,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:45:28,968 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:45:28,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-08-31 02:45:28,970 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 02:45:28,971 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 02:45:29,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-08-31 02:45:29,003 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:45:29,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:45:29,006 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:45:29,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-08-31 02:45:29,009 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-31 02:45:29,009 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 02:45:29,071 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-31 02:45:29,096 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-08-31 02:45:29,097 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 02:45:29,097 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 02:45:29,097 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 02:45:29,097 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 02:45:29,097 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 02:45:29,097 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:45:29,097 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 02:45:29,097 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 02:45:29,097 INFO L133 ssoRankerPreferences]: Filename of dumped script: large_const.i_Iteration2_Loop [2021-08-31 02:45:29,097 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 02:45:29,097 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 02:45:29,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:45:29,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:45:29,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:45:29,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:45:29,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:45:29,160 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 02:45:29,161 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 02:45:29,161 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:45:29,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:45:29,177 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:45:29,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-08-31 02:45:29,202 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 [2021-08-31 02:45:29,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:45:29,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:45:29,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:45:29,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:45:29,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:45:29,210 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:45:29,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:45:29,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:45:29,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-08-31 02:45:29,229 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:45:29,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:45:29,230 INFO L229 MonitoredProcess]: Starting monitored process 15 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) [2021-08-31 02:45:29,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-08-31 02:45:29,233 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 [2021-08-31 02:45:29,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:45:29,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:45:29,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:45:29,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:45:29,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:45:29,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:45:29,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:45:29,273 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 02:45:29,275 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-08-31 02:45:29,275 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-31 02:45:29,275 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:45:29,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:45:29,276 INFO L229 MonitoredProcess]: Starting monitored process 16 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) [2021-08-31 02:45:29,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-08-31 02:45:29,292 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 02:45:29,292 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-31 02:45:29,293 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 02:45:29,293 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0) = 1*ULTIMATE.start_main_~k~0 Supporting invariants [] [2021-08-31 02:45:29,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-08-31 02:45:29,309 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-31 02:45:29,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:45:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:45:29,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 02:45:29,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 02:45:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:45:29,390 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-31 02:45:29,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 02:45:29,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 02:45:29,479 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-08-31 02:45:29,479 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 20 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-08-31 02:45:29,535 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 20 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 17 states and 24 transitions. Complement of second has 6 states. [2021-08-31 02:45:29,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-31 02:45:29,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-08-31 02:45:29,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2021-08-31 02:45:29,536 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 5 letters. Loop has 3 letters. [2021-08-31 02:45:29,537 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 02:45:29,537 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 8 letters. Loop has 3 letters. [2021-08-31 02:45:29,537 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 02:45:29,537 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 5 letters. Loop has 6 letters. [2021-08-31 02:45:29,537 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 02:45:29,537 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 24 transitions. [2021-08-31 02:45:29,539 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 02:45:29,539 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. [2021-08-31 02:45:29,539 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-31 02:45:29,539 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-31 02:45:29,540 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-31 02:45:29,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 02:45:29,540 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 02:45:29,540 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 02:45:29,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 02:45:29,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-31 02:45:29,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-31 02:45:29,543 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 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) [2021-08-31 02:45:29,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 02:45:29,546 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-08-31 02:45:29,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-31 02:45:29,556 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-08-31 02:45:29,556 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 02:45:29,556 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-08-31 02:45:29,556 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-31 02:45:29,557 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-31 02:45:29,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-31 02:45:29,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 02:45:29,557 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 02:45:29,557 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 02:45:29,557 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 02:45:29,557 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 02:45:29,557 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-31 02:45:29,557 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 02:45:29,557 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-31 02:45:29,559 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) at de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData.toString(StatisticsData.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerTimingBenchmark.toString(BuchiAutomizerTimingBenchmark.java:44) at de.uni_freiburg.informatik.ultimate.core.lib.results.StatisticsResult.getLongDescription(StatisticsResult.java:58) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.reportResult(BuchiAutomizerObserver.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-31 02:45:29,571 INFO L158 Benchmark]: Toolchain (without parser) took 2970.88ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 45.6MB in the beginning and 34.3MB in the end (delta: 11.3MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2021-08-31 02:45:29,572 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 62.9MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 02:45:29,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.09ms. Allocated memory is still 62.9MB. Free memory was 45.4MB in the beginning and 46.7MB in the end (delta: -1.3MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2021-08-31 02:45:29,572 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.36ms. Allocated memory is still 62.9MB. Free memory was 46.7MB in the beginning and 45.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 02:45:29,573 INFO L158 Benchmark]: Boogie Preprocessor took 24.78ms. Allocated memory is still 62.9MB. Free memory was 45.1MB in the beginning and 44.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 02:45:29,573 INFO L158 Benchmark]: RCFGBuilder took 255.70ms. Allocated memory is still 62.9MB. Free memory was 44.0MB in the beginning and 35.4MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-31 02:45:29,573 INFO L158 Benchmark]: BuchiAutomizer took 2445.37ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 35.4MB in the beginning and 34.3MB in the end (delta: 1.1MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2021-08-31 02:45:29,575 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 62.9MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.09ms. Allocated memory is still 62.9MB. Free memory was 45.4MB in the beginning and 46.7MB in the end (delta: -1.3MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.36ms. Allocated memory is still 62.9MB. Free memory was 46.7MB in the beginning and 45.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.78ms. Allocated memory is still 62.9MB. Free memory was 45.1MB in the beginning and 44.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 255.70ms. Allocated memory is still 62.9MB. Free memory was 44.0MB in the beginning and 35.4MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2445.37ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 35.4MB in the beginning and 34.3MB in the end (delta: 1.1MB). Peak memory consumption was 16.3MB. 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 1 and consists of 5 locations. One deterministic module has affine ranking function k and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6): de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-08-31 02:45:29,614 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-08-31 02:45:29,817 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...