./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 6c24879c 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 142d17131671d2eab991ea08656e3b8bfe555dee984fe7672c9a027e971df0f8 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-13 04:00:33,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 04:00:33,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 04:00:33,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 04:00:33,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 04:00:33,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 04:00:33,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 04:00:33,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 04:00:33,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 04:00:33,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 04:00:33,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 04:00:33,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 04:00:33,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 04:00:33,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 04:00:33,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 04:00:33,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 04:00:33,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 04:00:33,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 04:00:33,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 04:00:33,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 04:00:33,545 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 04:00:33,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 04:00:33,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 04:00:33,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 04:00:33,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 04:00:33,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 04:00:33,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 04:00:33,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 04:00:33,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 04:00:33,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 04:00:33,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 04:00:33,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 04:00:33,555 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 04:00:33,556 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 04:00:33,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 04:00:33,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 04:00:33,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 04:00:33,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 04:00:33,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 04:00:33,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 04:00:33,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 04:00:33,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 04:00:33,560 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-13 04:00:33,583 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 04:00:33,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 04:00:33,584 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 04:00:33,584 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 04:00:33,585 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 04:00:33,585 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 04:00:33,585 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 04:00:33,585 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-13 04:00:33,586 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-13 04:00:33,586 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-13 04:00:33,586 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-13 04:00:33,587 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-13 04:00:33,587 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-13 04:00:33,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 04:00:33,588 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 04:00:33,588 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 04:00:33,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 04:00:33,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 04:00:33,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 04:00:33,589 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-13 04:00:33,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-13 04:00:33,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-13 04:00:33,589 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 04:00:33,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 04:00:33,589 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-13 04:00:33,589 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 04:00:33,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-13 04:00:33,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 04:00:33,590 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 04:00:33,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 04:00:33,590 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 04:00:33,591 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-13 04:00:33,592 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 142d17131671d2eab991ea08656e3b8bfe555dee984fe7672c9a027e971df0f8 [2022-07-13 04:00:33,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 04:00:33,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 04:00:33,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 04:00:33,807 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 04:00:33,807 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 04:00:33,808 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/large_const.i [2022-07-13 04:00:33,856 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/444103d0d/6bb2ba568b1a45afb7697e89c49d3890/FLAG8a30d418c [2022-07-13 04:00:34,230 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 04:00:34,230 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/large_const.i [2022-07-13 04:00:34,235 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/444103d0d/6bb2ba568b1a45afb7697e89c49d3890/FLAG8a30d418c [2022-07-13 04:00:34,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/444103d0d/6bb2ba568b1a45afb7697e89c49d3890 [2022-07-13 04:00:34,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 04:00:34,663 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 04:00:34,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 04:00:34,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 04:00:34,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 04:00:34,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:00:34" (1/1) ... [2022-07-13 04:00:34,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c9d9e8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:00:34, skipping insertion in model container [2022-07-13 04:00:34,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:00:34" (1/1) ... [2022-07-13 04:00:34,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 04:00:34,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 04:00:34,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/large_const.i[893,906] [2022-07-13 04:00:34,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:00:34,837 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 04:00:34,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/large_const.i[893,906] [2022-07-13 04:00:34,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:00:34,865 INFO L208 MainTranslator]: Completed translation [2022-07-13 04:00:34,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:00:34 WrapperNode [2022-07-13 04:00:34,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 04:00:34,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 04:00:34,867 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 04:00:34,869 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 04:00:34,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:00:34" (1/1) ... [2022-07-13 04:00:34,878 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:00:34" (1/1) ... [2022-07-13 04:00:34,889 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2022-07-13 04:00:34,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 04:00:34,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 04:00:34,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 04:00:34,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 04:00:34,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:00:34" (1/1) ... [2022-07-13 04:00:34,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:00:34" (1/1) ... [2022-07-13 04:00:34,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:00:34" (1/1) ... [2022-07-13 04:00:34,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:00:34" (1/1) ... [2022-07-13 04:00:34,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:00:34" (1/1) ... [2022-07-13 04:00:34,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:00:34" (1/1) ... [2022-07-13 04:00:34,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:00:34" (1/1) ... [2022-07-13 04:00:34,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 04:00:34,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 04:00:34,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 04:00:34,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 04:00:34,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:00:34" (1/1) ... [2022-07-13 04:00:34,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:00:34,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:00:34,935 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:00:34,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-13 04:00:34,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 04:00:34,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 04:00:34,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 04:00:34,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 04:00:35,006 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 04:00:35,008 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 04:00:35,095 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 04:00:35,099 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 04:00:35,100 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-13 04:00:35,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:00:35 BoogieIcfgContainer [2022-07-13 04:00:35,101 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 04:00:35,102 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-13 04:00:35,102 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-13 04:00:35,104 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-13 04:00:35,104 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:00:35,104 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.07 04:00:34" (1/3) ... [2022-07-13 04:00:35,112 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18f0bff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:00:35, skipping insertion in model container [2022-07-13 04:00:35,112 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:00:35,112 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:00:34" (2/3) ... [2022-07-13 04:00:35,113 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18f0bff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:00:35, skipping insertion in model container [2022-07-13 04:00:35,113 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:00:35,113 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:00:35" (3/3) ... [2022-07-13 04:00:35,114 INFO L354 chiAutomizerObserver]: Analyzing ICFG large_const.i [2022-07-13 04:00:35,153 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-13 04:00:35,153 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-13 04:00:35,154 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-13 04:00:35,154 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-13 04:00:35,154 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-13 04:00:35,154 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-13 04:00:35,154 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-13 04:00:35,154 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-13 04:00:35,163 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) [2022-07-13 04:00:35,174 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-07-13 04:00:35,175 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:00:35,175 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:00:35,179 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-13 04:00:35,179 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-13 04:00:35,179 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-13 04:00:35,180 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) [2022-07-13 04:00:35,181 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-07-13 04:00:35,181 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:00:35,181 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:00:35,182 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-13 04:00:35,182 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-13 04:00:35,187 INFO L752 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~nondet3#1, main_#t~post4#1, main_#t~post5#1, main_~argc#1, main_~argv#1.base, main_~argv#1.offset, main_~c1~0#1, main_~c2~0#1, main_~c3~0#1, main_~n~0#1, main_~v~0#1, main_~i~0#1, main_~k~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;main_~argv#1.base, main_~argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;main_~c1~0#1 := 4000;main_~c2~0#1 := 2000;main_~c3~0#1 := 10000;havoc main_~n~0#1;havoc main_~v~0#1;havoc main_~i~0#1;havoc main_~k~0#1;havoc main_~j~0#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 6#L31true assume !!(0 <= main_~n~0#1 && main_~n~0#1 < 10);main_~k~0#1 := 0;main_~i~0#1 := 0; 11#L40-2true [2022-07-13 04:00:35,187 INFO L754 eck$LassoCheckResult]: Loop: 11#L40-2true assume !!(main_~i~0#1 < main_~n~0#1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;main_~v~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 9#L37true assume !!(0 <= main_~v~0#1 && main_~n~0#1 < 2); 14#L38true assume 0 == main_~v~0#1;main_~k~0#1 := main_~k~0#1 + main_~c1~0#1; 11#L40-2true [2022-07-13 04:00:35,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:00:35,191 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-07-13 04:00:35,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:00:35,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609372603] [2022-07-13 04:00:35,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:00:35,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:00:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:00:35,303 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:00:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:00:35,341 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:00:35,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:00:35,344 INFO L85 PathProgramCache]: Analyzing trace with hash 45842, now seen corresponding path program 1 times [2022-07-13 04:00:35,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:00:35,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117458002] [2022-07-13 04:00:35,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:00:35,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:00:35,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:00:35,369 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:00:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:00:35,381 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:00:35,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:00:35,384 INFO L85 PathProgramCache]: Analyzing trace with hash 889575311, now seen corresponding path program 1 times [2022-07-13 04:00:35,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:00:35,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308405705] [2022-07-13 04:00:35,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:00:35,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:00:35,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:00:35,398 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:00:35,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:00:35,407 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:00:35,504 INFO L210 LassoAnalysis]: Preferences: [2022-07-13 04:00:35,505 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-13 04:00:35,505 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-13 04:00:35,505 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-13 04:00:35,505 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-13 04:00:35,505 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:00:35,505 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-13 04:00:35,514 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-13 04:00:35,514 INFO L133 ssoRankerPreferences]: Filename of dumped script: large_const.i_Iteration1_Loop [2022-07-13 04:00:35,514 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-13 04:00:35,515 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-13 04:00:35,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:00:35,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:00:35,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:00:35,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:00:35,583 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-13 04:00:35,583 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-13 04:00:35,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:00:35,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:00:35,587 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:00:35,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-13 04:00:35,589 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-13 04:00:35,589 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-13 04:00:35,614 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-13 04:00:35,615 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2#1=0} Honda state: {ULTIMATE.start_main_#t~post2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-13 04:00:35,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-13 04:00:35,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:00:35,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:00:35,644 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:00:35,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-13 04:00:35,646 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-13 04:00:35,646 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-13 04:00:35,680 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-13 04:00:35,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:00:35,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:00:35,688 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:00:35,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-13 04:00:35,692 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-13 04:00:35,693 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-13 04:00:35,775 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-13 04:00:35,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-13 04:00:35,783 INFO L210 LassoAnalysis]: Preferences: [2022-07-13 04:00:35,783 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-13 04:00:35,783 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-13 04:00:35,783 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-13 04:00:35,783 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-13 04:00:35,783 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:00:35,783 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-13 04:00:35,783 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-13 04:00:35,783 INFO L133 ssoRankerPreferences]: Filename of dumped script: large_const.i_Iteration1_Loop [2022-07-13 04:00:35,783 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-13 04:00:35,783 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-13 04:00:35,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:00:35,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:00:35,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:00:35,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:00:35,855 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-13 04:00:35,858 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-13 04:00:35,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:00:35,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:00:35,861 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:00:35,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-13 04:00:35,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:00:35,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:00:35,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:00:35,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:00:35,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:00:35,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:00:35,874 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:00:35,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:00:35,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:00:35,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-13 04:00:35,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:00:35,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:00:35,918 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:00:35,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-13 04:00:35,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:00:35,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:00:35,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:00:35,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:00:35,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:00:35,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:00:35,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:00:35,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:00:35,940 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-13 04:00:35,943 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-13 04:00:35,943 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-13 04:00:35,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:00:35,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:00:35,948 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:00:35,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-13 04:00:35,951 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-13 04:00:35,951 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-13 04:00:35,951 INFO L513 LassoAnalysis]: Proved termination. [2022-07-13 04:00:35,952 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~n~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2022-07-13 04:00:35,970 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-13 04:00:35,974 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-13 04:00:36,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:00:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:00:36,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 04:00:36,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 04:00:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:00:36,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-13 04:00:36,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 04:00:36,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:00:36,123 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-13 04:00:36,124 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 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:00:36,153 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 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 59 transitions. Complement of second has 5 states. [2022-07-13 04:00:36,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-13 04:00:36,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:00:36,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 40 transitions. [2022-07-13 04:00:36,162 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 40 transitions. Stem has 3 letters. Loop has 3 letters. [2022-07-13 04:00:36,170 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 04:00:36,170 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 40 transitions. Stem has 6 letters. Loop has 3 letters. [2022-07-13 04:00:36,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 04:00:36,172 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 40 transitions. Stem has 3 letters. Loop has 6 letters. [2022-07-13 04:00:36,172 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 04:00:36,172 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 59 transitions. [2022-07-13 04:00:36,175 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-13 04:00:36,179 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 16 states and 22 transitions. [2022-07-13 04:00:36,180 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-07-13 04:00:36,180 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-07-13 04:00:36,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2022-07-13 04:00:36,180 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-13 04:00:36,181 INFO L369 hiAutomatonCegarLoop]: Abstraction has 16 states and 22 transitions. [2022-07-13 04:00:36,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2022-07-13 04:00:36,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2022-07-13 04:00:36,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.4) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:00:36,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 21 transitions. [2022-07-13 04:00:36,198 INFO L392 hiAutomatonCegarLoop]: Abstraction has 15 states and 21 transitions. [2022-07-13 04:00:36,198 INFO L374 stractBuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2022-07-13 04:00:36,198 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-13 04:00:36,199 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 21 transitions. [2022-07-13 04:00:36,199 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-13 04:00:36,200 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:00:36,200 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:00:36,200 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-13 04:00:36,200 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-13 04:00:36,200 INFO L752 eck$LassoCheckResult]: Stem: 103#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 104#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~nondet3#1, main_#t~post4#1, main_#t~post5#1, main_~argc#1, main_~argv#1.base, main_~argv#1.offset, main_~c1~0#1, main_~c2~0#1, main_~c3~0#1, main_~n~0#1, main_~v~0#1, main_~i~0#1, main_~k~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;main_~argv#1.base, main_~argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;main_~c1~0#1 := 4000;main_~c2~0#1 := 2000;main_~c3~0#1 := 10000;havoc main_~n~0#1;havoc main_~v~0#1;havoc main_~i~0#1;havoc main_~k~0#1;havoc main_~j~0#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 114#L31 assume !!(0 <= main_~n~0#1 && main_~n~0#1 < 10);main_~k~0#1 := 0;main_~i~0#1 := 0; 115#L40-2 assume !(main_~i~0#1 < main_~n~0#1); 107#L34-2 main_~j~0#1 := 0; 105#L46-2 [2022-07-13 04:00:36,201 INFO L754 eck$LassoCheckResult]: Loop: 105#L46-2 assume !!(main_~j~0#1 < main_~n~0#1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~k~0#1 > 0 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 101#L18 assume !(0 == __VERIFIER_assert_~cond#1); 102#L18-2 assume { :end_inline___VERIFIER_assert } true;main_#t~post4#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1;main_#t~post5#1 := main_~k~0#1;main_~k~0#1 := main_#t~post5#1 - 1;havoc main_#t~post5#1; 105#L46-2 [2022-07-13 04:00:36,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:00:36,202 INFO L85 PathProgramCache]: Analyzing trace with hash 28695930, now seen corresponding path program 1 times [2022-07-13 04:00:36,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:00:36,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579437668] [2022-07-13 04:00:36,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:00:36,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:00:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:00:36,214 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:00:36,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:00:36,224 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:00:36,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:00:36,225 INFO L85 PathProgramCache]: Analyzing trace with hash 74703, now seen corresponding path program 1 times [2022-07-13 04:00:36,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:00:36,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141045585] [2022-07-13 04:00:36,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:00:36,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:00:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:00:36,232 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:00:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:00:36,238 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:00:36,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:00:36,238 INFO L85 PathProgramCache]: Analyzing trace with hash 182003638, now seen corresponding path program 1 times [2022-07-13 04:00:36,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:00:36,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869345876] [2022-07-13 04:00:36,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:00:36,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:00:36,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:00:36,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:00:36,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:00:36,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869345876] [2022-07-13 04:00:36,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869345876] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:00:36,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:00:36,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 04:00:36,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758490367] [2022-07-13 04:00:36,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:00:36,341 INFO L210 LassoAnalysis]: Preferences: [2022-07-13 04:00:36,341 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-13 04:00:36,341 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-13 04:00:36,341 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-13 04:00:36,341 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-13 04:00:36,342 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:00:36,342 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-13 04:00:36,342 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-13 04:00:36,342 INFO L133 ssoRankerPreferences]: Filename of dumped script: large_const.i_Iteration2_Loop [2022-07-13 04:00:36,342 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-13 04:00:36,342 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-13 04:00:36,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:00:36,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:00:36,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:00:36,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:00:36,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:00:36,387 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-13 04:00:36,388 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-13 04:00:36,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:00:36,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:00:36,389 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:00:36,460 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-13 04:00:36,460 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-13 04:00:36,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-13 04:00:36,476 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-13 04:00:36,476 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_~cond#1=1, ULTIMATE.start___VERIFIER_assert_#in~cond#1=1} Honda state: {ULTIMATE.start___VERIFIER_assert_~cond#1=1, ULTIMATE.start___VERIFIER_assert_#in~cond#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-13 04:00:36,490 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-13 04:00:36,495 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-07-13 04:00:36,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:00:36,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:00:36,500 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:00:36,510 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-13 04:00:36,510 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-13 04:00:36,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-13 04:00:36,533 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-13 04:00:36,533 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post4#1=0} Honda state: {ULTIMATE.start_main_#t~post4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-13 04:00:36,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-13 04:00:36,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:00:36,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:00:36,552 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:00:36,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-13 04:00:36,557 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-13 04:00:36,557 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-13 04:00:36,613 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-07-13 04:00:36,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:00:36,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:00:36,615 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:00:36,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-13 04:00:36,617 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-13 04:00:36,617 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-13 04:00:36,643 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-13 04:00:36,646 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 [2022-07-13 04:00:36,646 INFO L210 LassoAnalysis]: Preferences: [2022-07-13 04:00:36,646 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-13 04:00:36,647 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-13 04:00:36,647 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-13 04:00:36,647 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-13 04:00:36,647 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:00:36,647 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-13 04:00:36,647 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-13 04:00:36,647 INFO L133 ssoRankerPreferences]: Filename of dumped script: large_const.i_Iteration2_Loop [2022-07-13 04:00:36,647 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-13 04:00:36,647 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-13 04:00:36,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:00:36,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:00:36,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:00:36,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:00:36,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:00:36,715 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-13 04:00:36,716 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-13 04:00:36,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:00:36,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:00:36,717 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:00:36,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-13 04:00:36,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:00:36,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:00:36,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:00:36,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:00:36,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:00:36,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:00:36,728 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:00:36,728 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:00:36,743 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:00:36,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-13 04:00:36,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:00:36,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:00:36,759 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:00:36,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-13 04:00:36,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:00:36,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:00:36,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:00:36,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:00:36,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:00:36,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:00:36,768 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:00:36,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:00:36,769 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:00:36,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-07-13 04:00:36,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:00:36,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:00:36,785 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) [2022-07-13 04:00:36,785 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 [2022-07-13 04:00:36,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:00:36,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:00:36,793 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:00:36,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:00:36,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:00:36,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:00:36,796 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:00:36,796 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:00:36,804 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-13 04:00:36,806 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-13 04:00:36,807 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-13 04:00:36,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:00:36,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:00:36,817 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) [2022-07-13 04:00:36,818 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 [2022-07-13 04:00:36,819 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-13 04:00:36,819 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-13 04:00:36,819 INFO L513 LassoAnalysis]: Proved termination. [2022-07-13 04:00:36,819 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0#1) = 1*ULTIMATE.start_main_~k~0#1 Supporting invariants [] [2022-07-13 04:00:36,837 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-07-13 04:00:36,838 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-13 04:00:36,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:00:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:00:36,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 04:00:36,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 04:00:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:00:36,872 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-13 04:00:36,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 04:00:36,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:00:36,922 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 [2022-07-13 04:00:36,922 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 21 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) [2022-07-13 04:00:36,953 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 21 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 18 states and 25 transitions. Complement of second has 6 states. [2022-07-13 04:00:36,953 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 [2022-07-13 04:00:36,954 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) [2022-07-13 04:00:36,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2022-07-13 04:00:36,954 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 5 letters. Loop has 3 letters. [2022-07-13 04:00:36,954 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 04:00:36,954 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 8 letters. Loop has 3 letters. [2022-07-13 04:00:36,955 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 04:00:36,955 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 5 letters. Loop has 6 letters. [2022-07-13 04:00:36,955 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 04:00:36,955 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 25 transitions. [2022-07-13 04:00:36,958 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-13 04:00:36,958 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2022-07-13 04:00:36,958 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-13 04:00:36,959 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-13 04:00:36,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-13 04:00:36,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 04:00:36,959 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 04:00:36,959 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 04:00:36,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:00:36,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 04:00:36,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-13 04:00:36,965 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) [2022-07-13 04:00:36,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:00:36,966 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-07-13 04:00:36,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-13 04:00:36,967 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2022-07-13 04:00:36,967 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-13 04:00:36,967 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 04:00:36,968 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-13 04:00:36,968 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-13 04:00:36,968 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-13 04:00:36,968 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 04:00:36,968 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 04:00:36,968 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 04:00:36,968 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 04:00:36,968 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-13 04:00:36,968 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-13 04:00:36,968 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-13 04:00:36,968 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-13 04:00:36,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.07 04:00:36 BoogieIcfgContainer [2022-07-13 04:00:36,973 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-13 04:00:36,973 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 04:00:36,973 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 04:00:36,973 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 04:00:36,974 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:00:35" (3/4) ... [2022-07-13 04:00:36,976 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-13 04:00:36,976 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 04:00:36,976 INFO L158 Benchmark]: Toolchain (without parser) took 2313.50ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 72.9MB in the beginning and 72.1MB in the end (delta: 871.2kB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2022-07-13 04:00:36,977 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 77.6MB. Free memory is still 40.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 04:00:36,977 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.72ms. Allocated memory is still 98.6MB. Free memory was 72.7MB in the beginning and 74.7MB in the end (delta: -2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 04:00:36,979 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.91ms. Allocated memory is still 98.6MB. Free memory was 74.7MB in the beginning and 73.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 04:00:36,979 INFO L158 Benchmark]: Boogie Preprocessor took 11.72ms. Allocated memory is still 98.6MB. Free memory was 73.1MB in the beginning and 72.1MB in the end (delta: 972.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 04:00:36,981 INFO L158 Benchmark]: RCFGBuilder took 198.67ms. Allocated memory is still 98.6MB. Free memory was 71.9MB in the beginning and 62.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 04:00:36,981 INFO L158 Benchmark]: BuchiAutomizer took 1871.31ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 62.3MB in the beginning and 72.1MB in the end (delta: -9.8MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2022-07-13 04:00:36,981 INFO L158 Benchmark]: Witness Printer took 2.46ms. Allocated memory is still 119.5MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 04:00:36,985 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 77.6MB. Free memory is still 40.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 201.72ms. Allocated memory is still 98.6MB. Free memory was 72.7MB in the beginning and 74.7MB in the end (delta: -2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.91ms. Allocated memory is still 98.6MB. Free memory was 74.7MB in the beginning and 73.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 11.72ms. Allocated memory is still 98.6MB. Free memory was 73.1MB in the beginning and 72.1MB in the end (delta: 972.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 198.67ms. Allocated memory is still 98.6MB. Free memory was 71.9MB in the beginning and 62.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1871.31ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 62.3MB in the beginning and 72.1MB in the end (delta: -9.8MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Witness Printer took 2.46ms. Allocated memory is still 119.5MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + n and consists of 4 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. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 35 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 28 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax100 hnf100 lsp47 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf94 smp100 dnf100 smp100 tf112 neg100 sie115 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 31ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-13 04:00:37,007 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 [2022-07-13 04:00:37,220 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE