./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcat-alloca-1.i --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcat-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9e9fee7822ea181968af00cc75a840ddcb8cdf140cdf423bd35cdb5d3f0e2f5d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 03:33:06,588 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 03:33:06,590 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 03:33:06,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 03:33:06,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 03:33:06,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 03:33:06,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 03:33:06,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 03:33:06,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 03:33:06,637 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 03:33:06,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 03:33:06,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 03:33:06,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 03:33:06,641 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 03:33:06,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 03:33:06,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 03:33:06,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 03:33:06,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 03:33:06,647 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 03:33:06,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 03:33:06,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 03:33:06,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 03:33:06,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 03:33:06,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 03:33:06,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 03:33:06,657 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 03:33:06,657 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 03:33:06,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 03:33:06,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 03:33:06,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 03:33:06,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 03:33:06,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 03:33:06,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 03:33:06,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 03:33:06,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 03:33:06,663 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 03:33:06,663 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 03:33:06,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 03:33:06,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 03:33:06,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 03:33:06,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 03:33:06,665 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-02-21 03:33:06,689 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 03:33:06,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 03:33:06,690 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 03:33:06,690 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 03:33:06,691 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 03:33:06,691 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 03:33:06,691 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 03:33:06,691 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 03:33:06,691 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 03:33:06,691 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 03:33:06,692 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 03:33:06,692 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 03:33:06,692 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 03:33:06,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 03:33:06,693 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 03:33:06,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 03:33:06,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 03:33:06,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 03:33:06,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 03:33:06,693 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 03:33:06,693 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 03:33:06,694 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 03:33:06,694 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 03:33:06,694 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 03:33:06,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 03:33:06,694 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 03:33:06,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 03:33:06,695 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 03:33:06,695 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 03:33:06,695 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e9fee7822ea181968af00cc75a840ddcb8cdf140cdf423bd35cdb5d3f0e2f5d [2022-02-21 03:33:06,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 03:33:06,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 03:33:06,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 03:33:06,900 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 03:33:06,900 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 03:33:06,901 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcat-alloca-1.i [2022-02-21 03:33:06,953 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11f3595f5/f0f1eb620c1b47c58a002e8b68e2eb44/FLAGfb00c743a [2022-02-21 03:33:07,320 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 03:33:07,320 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcat-alloca-1.i [2022-02-21 03:33:07,328 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11f3595f5/f0f1eb620c1b47c58a002e8b68e2eb44/FLAGfb00c743a [2022-02-21 03:33:07,339 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11f3595f5/f0f1eb620c1b47c58a002e8b68e2eb44 [2022-02-21 03:33:07,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 03:33:07,342 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 03:33:07,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 03:33:07,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 03:33:07,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 03:33:07,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:33:07" (1/1) ... [2022-02-21 03:33:07,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c52f83a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:07, skipping insertion in model container [2022-02-21 03:33:07,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:33:07" (1/1) ... [2022-02-21 03:33:07,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 03:33:07,379 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 03:33:07,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:33:07,614 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 03:33:07,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:33:07,687 INFO L208 MainTranslator]: Completed translation [2022-02-21 03:33:07,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:07 WrapperNode [2022-02-21 03:33:07,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 03:33:07,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 03:33:07,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 03:33:07,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 03:33:07,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:07" (1/1) ... [2022-02-21 03:33:07,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:07" (1/1) ... [2022-02-21 03:33:07,733 INFO L137 Inliner]: procedures = 111, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2022-02-21 03:33:07,734 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 03:33:07,735 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 03:33:07,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 03:33:07,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 03:33:07,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:07" (1/1) ... [2022-02-21 03:33:07,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:07" (1/1) ... [2022-02-21 03:33:07,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:07" (1/1) ... [2022-02-21 03:33:07,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:07" (1/1) ... [2022-02-21 03:33:07,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:07" (1/1) ... [2022-02-21 03:33:07,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:07" (1/1) ... [2022-02-21 03:33:07,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:07" (1/1) ... [2022-02-21 03:33:07,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 03:33:07,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 03:33:07,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 03:33:07,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 03:33:07,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:07" (1/1) ... [2022-02-21 03:33:07,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:07,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:07,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:33:07,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-02-21 03:33:07,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-21 03:33:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-21 03:33:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-21 03:33:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-21 03:33:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 03:33:07,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 03:33:07,938 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 03:33:07,939 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 03:33:08,100 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 03:33:08,105 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 03:33:08,105 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 03:33:08,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:33:08 BoogieIcfgContainer [2022-02-21 03:33:08,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 03:33:08,109 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 03:33:08,109 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 03:33:08,112 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 03:33:08,112 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:33:08,113 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 03:33:07" (1/3) ... [2022-02-21 03:33:08,113 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38c331d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:33:08, skipping insertion in model container [2022-02-21 03:33:08,114 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:33:08,114 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:07" (2/3) ... [2022-02-21 03:33:08,114 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38c331d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:33:08, skipping insertion in model container [2022-02-21 03:33:08,114 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:33:08,114 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:33:08" (3/3) ... [2022-02-21 03:33:08,115 INFO L388 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcat-alloca-1.i [2022-02-21 03:33:08,153 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 03:33:08,154 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 03:33:08,154 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 03:33:08,154 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 03:33:08,154 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 03:33:08,154 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 03:33:08,154 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 03:33:08,154 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 03:33:08,167 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:33:08,184 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-02-21 03:33:08,184 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:33:08,184 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:33:08,188 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-02-21 03:33:08,188 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-02-21 03:33:08,188 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 03:33:08,188 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:33:08,192 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-02-21 03:33:08,193 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:33:08,193 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:33:08,193 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-02-21 03:33:08,193 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-02-21 03:33:08,198 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~length3~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 12#L559true assume !(main_~length1~0#1 < 1); 14#L559-2true assume !(main_~length2~0#1 < 2); 13#L562-1true assume !(main_~length3~0#1 < 1); 15#L565-1true assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length3~0#1 - 1), 1);assume { :begin_inline_cstrcat } true;cstrcat_#in~s#1.base, cstrcat_#in~s#1.offset, cstrcat_#in~append#1.base, cstrcat_#in~append#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrcat_#res#1.base, cstrcat_#res#1.offset;havoc cstrcat_#t~pre2#1.base, cstrcat_#t~pre2#1.offset, cstrcat_#t~mem3#1, cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset, cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset, cstrcat_#t~mem6#1, cstrcat_~s#1.base, cstrcat_~s#1.offset, cstrcat_~append#1.base, cstrcat_~append#1.offset, cstrcat_~save~0#1.base, cstrcat_~save~0#1.offset;cstrcat_~s#1.base, cstrcat_~s#1.offset := cstrcat_#in~s#1.base, cstrcat_#in~s#1.offset;cstrcat_~append#1.base, cstrcat_~append#1.offset := cstrcat_#in~append#1.base, cstrcat_#in~append#1.offset;cstrcat_~save~0#1.base, cstrcat_~save~0#1.offset := cstrcat_~s#1.base, cstrcat_~s#1.offset; 17#L551-4true [2022-02-21 03:33:08,199 INFO L793 eck$LassoCheckResult]: Loop: 17#L551-4true call cstrcat_#t~mem3#1 := read~int(cstrcat_~s#1.base, cstrcat_~s#1.offset, 1); 6#L551-1true assume !!(0 != cstrcat_#t~mem3#1);havoc cstrcat_#t~mem3#1; 7#L551-3true cstrcat_#t~pre2#1.base, cstrcat_#t~pre2#1.offset := cstrcat_~s#1.base, 1 + cstrcat_~s#1.offset;cstrcat_~s#1.base, cstrcat_~s#1.offset := cstrcat_~s#1.base, 1 + cstrcat_~s#1.offset;havoc cstrcat_#t~pre2#1.base, cstrcat_#t~pre2#1.offset; 17#L551-4true [2022-02-21 03:33:08,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:33:08,204 INFO L85 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2022-02-21 03:33:08,210 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:33:08,211 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263944272] [2022-02-21 03:33:08,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:33:08,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:33:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:33:08,331 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:33:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:33:08,376 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:33:08,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:33:08,379 INFO L85 PathProgramCache]: Analyzing trace with hash 58750, now seen corresponding path program 1 times [2022-02-21 03:33:08,379 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:33:08,379 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526487003] [2022-02-21 03:33:08,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:33:08,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:33:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:33:08,398 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:33:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:33:08,403 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:33:08,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:33:08,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1302197936, now seen corresponding path program 1 times [2022-02-21 03:33:08,405 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:33:08,405 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016587144] [2022-02-21 03:33:08,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:33:08,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:33:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:33:08,465 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:33:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:33:08,486 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:33:09,135 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:33:09,136 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:33:09,136 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:33:09,137 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:33:09,137 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-02-21 03:33:09,137 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:09,137 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:33:09,138 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:33:09,138 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcat-alloca-1.i_Iteration1_Lasso [2022-02-21 03:33:09,138 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:33:09,138 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:33:09,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:33:09,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:33:09,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:33:09,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:33:09,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:33:09,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:33:09,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:33:09,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:33:09,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:33:09,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:33:09,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:33:09,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:33:09,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:33:09,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:33:09,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:33:09,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:33:09,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:33:09,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:33:09,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:33:09,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:33:09,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:33:09,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:33:10,007 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:33:10,010 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-02-21 03:33:10,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:10,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:10,013 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:33:10,020 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:33:10,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:33:10,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:33:10,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:33:10,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:33:10,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:33:10,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:33:10,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:33:10,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-02-21 03:33:10,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:33:10,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-02-21 03:33:10,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:10,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:10,069 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:33:10,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-02-21 03:33:10,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:33:10,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:33:10,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:33:10,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:33:10,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:33:10,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:33:10,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:33:10,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:33:10,094 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:33:10,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-02-21 03:33:10,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:10,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:10,116 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:33:10,126 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:33:10,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:33:10,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:33:10,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:33:10,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:33:10,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:33:10,134 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:33:10,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:33:10,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-02-21 03:33:10,149 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:33:10,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-02-21 03:33:10,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:10,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:10,169 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:33:10,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-02-21 03:33:10,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:33:10,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:33:10,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:33:10,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:33:10,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:33:10,185 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:33:10,185 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:33:10,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:33:10,217 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-02-21 03:33:10,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:10,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:10,219 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:33:10,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:33:10,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:33:10,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:33:10,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:33:10,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:33:10,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:33:10,232 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:33:10,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:33:10,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-02-21 03:33:10,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:33:10,260 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-02-21 03:33:10,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:10,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:10,262 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:33:10,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-02-21 03:33:10,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:33:10,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:33:10,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:33:10,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:33:10,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:33:10,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:33:10,270 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:33:10,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:33:10,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:33:10,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-02-21 03:33:10,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:10,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:10,292 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:33:10,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-02-21 03:33:10,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:33:10,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:33:10,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:33:10,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:33:10,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:33:10,307 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:33:10,307 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:33:10,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:33:10,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-02-21 03:33:10,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:10,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:10,341 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:33:10,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-02-21 03:33:10,344 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:33:10,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:33:10,350 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:33:10,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:33:10,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:33:10,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:33:10,350 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:33:10,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:33:10,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:33:10,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-02-21 03:33:10,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:10,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:10,385 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:33:10,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-02-21 03:33:10,387 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:33:10,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:33:10,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:33:10,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:33:10,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:33:10,397 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:33:10,397 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:33:10,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:33:10,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-02-21 03:33:10,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:10,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:10,418 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:33:10,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-02-21 03:33:10,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:33:10,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:33:10,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:33:10,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:33:10,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:33:10,428 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:33:10,428 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:33:10,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:33:10,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-02-21 03:33:10,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:10,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:10,456 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:33:10,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-02-21 03:33:10,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:33:10,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:33:10,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:33:10,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:33:10,465 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-02-21 03:33:10,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:33:10,466 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-02-21 03:33:10,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:33:10,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:33:10,490 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-02-21 03:33:10,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:10,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:10,491 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:33:10,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-02-21 03:33:10,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:33:10,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:33:10,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:33:10,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:33:10,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:33:10,513 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:33:10,513 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:33:10,526 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-02-21 03:33:10,572 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-02-21 03:33:10,572 INFO L444 ModelExtractionUtils]: 38 out of 49 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-02-21 03:33:10,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:10,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:10,575 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) [2022-02-21 03:33:10,576 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 [2022-02-21 03:33:10,577 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-02-21 03:33:10,616 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-02-21 03:33:10,617 INFO L513 LassoAnalysis]: Proved termination. [2022-02-21 03:33:10,617 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_1, ULTIMATE.start_cstrcat_~s#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_1 - 1*ULTIMATE.start_cstrcat_~s#1.offset Supporting invariants [] [2022-02-21 03:33:10,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-02-21 03:33:10,668 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2022-02-21 03:33:10,673 INFO L390 LassoCheck]: Loop: "call cstrcat_#t~mem3#1 := read~int(cstrcat_~s#1.base, cstrcat_~s#1.offset, 1);" "assume !!(0 != cstrcat_#t~mem3#1);havoc cstrcat_#t~mem3#1;" "cstrcat_#t~pre2#1.base, cstrcat_#t~pre2#1.offset := cstrcat_~s#1.base, 1 + cstrcat_~s#1.offset;cstrcat_~s#1.base, cstrcat_~s#1.offset := cstrcat_~s#1.base, 1 + cstrcat_~s#1.offset;havoc cstrcat_#t~pre2#1.base, cstrcat_#t~pre2#1.offset;" [2022-02-21 03:33:10,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:33:10,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:33:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:33:10,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-21 03:33:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:33:10,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:33:10,773 INFO L290 TraceCheckUtils]: 0: Hoare triple {26#unseeded} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; {26#unseeded} is VALID [2022-02-21 03:33:10,773 INFO L290 TraceCheckUtils]: 1: Hoare triple {26#unseeded} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~length3~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; {26#unseeded} is VALID [2022-02-21 03:33:10,773 INFO L290 TraceCheckUtils]: 2: Hoare triple {26#unseeded} assume !(main_~length1~0#1 < 1); {26#unseeded} is VALID [2022-02-21 03:33:10,774 INFO L290 TraceCheckUtils]: 3: Hoare triple {26#unseeded} assume !(main_~length2~0#1 < 2); {26#unseeded} is VALID [2022-02-21 03:33:10,775 INFO L290 TraceCheckUtils]: 4: Hoare triple {26#unseeded} assume !(main_~length3~0#1 < 1); {26#unseeded} is VALID [2022-02-21 03:33:10,776 INFO L290 TraceCheckUtils]: 5: Hoare triple {26#unseeded} assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length3~0#1 - 1), 1);assume { :begin_inline_cstrcat } true;cstrcat_#in~s#1.base, cstrcat_#in~s#1.offset, cstrcat_#in~append#1.base, cstrcat_#in~append#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrcat_#res#1.base, cstrcat_#res#1.offset;havoc cstrcat_#t~pre2#1.base, cstrcat_#t~pre2#1.offset, cstrcat_#t~mem3#1, cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset, cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset, cstrcat_#t~mem6#1, cstrcat_~s#1.base, cstrcat_~s#1.offset, cstrcat_~append#1.base, cstrcat_~append#1.offset, cstrcat_~save~0#1.base, cstrcat_~save~0#1.offset;cstrcat_~s#1.base, cstrcat_~s#1.offset := cstrcat_#in~s#1.base, cstrcat_#in~s#1.offset;cstrcat_~append#1.base, cstrcat_~append#1.offset := cstrcat_#in~append#1.base, cstrcat_#in~append#1.offset;cstrcat_~save~0#1.base, cstrcat_~save~0#1.offset := cstrcat_~s#1.base, cstrcat_~s#1.offset; {85#(and unseeded (= |ULTIMATE.start_cstrcat_~s#1.base| |ULTIMATE.start_main_#t~malloc11#1.base|))} is VALID [2022-02-21 03:33:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:33:10,783 WARN L261 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-21 03:33:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:33:10,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:33:10,831 INFO L290 TraceCheckUtils]: 0: Hoare triple {86#(and (>= oldRank0 (+ (select |#length| |ULTIMATE.start_main_#t~malloc11#1.base|) (* (- 1) |ULTIMATE.start_cstrcat_~s#1.offset|))) (= |ULTIMATE.start_cstrcat_~s#1.base| |ULTIMATE.start_main_#t~malloc11#1.base|))} call cstrcat_#t~mem3#1 := read~int(cstrcat_~s#1.base, cstrcat_~s#1.offset, 1); {109#(and (>= oldRank0 (+ (select |#length| |ULTIMATE.start_main_#t~malloc11#1.base|) (* (- 1) |ULTIMATE.start_cstrcat_~s#1.offset|))) (<= (+ |ULTIMATE.start_cstrcat_~s#1.offset| 1) (select |#length| |ULTIMATE.start_cstrcat_~s#1.base|)) (= |ULTIMATE.start_cstrcat_~s#1.base| |ULTIMATE.start_main_#t~malloc11#1.base|))} is VALID [2022-02-21 03:33:10,831 INFO L290 TraceCheckUtils]: 1: Hoare triple {109#(and (>= oldRank0 (+ (select |#length| |ULTIMATE.start_main_#t~malloc11#1.base|) (* (- 1) |ULTIMATE.start_cstrcat_~s#1.offset|))) (<= (+ |ULTIMATE.start_cstrcat_~s#1.offset| 1) (select |#length| |ULTIMATE.start_cstrcat_~s#1.base|)) (= |ULTIMATE.start_cstrcat_~s#1.base| |ULTIMATE.start_main_#t~malloc11#1.base|))} assume !!(0 != cstrcat_#t~mem3#1);havoc cstrcat_#t~mem3#1; {109#(and (>= oldRank0 (+ (select |#length| |ULTIMATE.start_main_#t~malloc11#1.base|) (* (- 1) |ULTIMATE.start_cstrcat_~s#1.offset|))) (<= (+ |ULTIMATE.start_cstrcat_~s#1.offset| 1) (select |#length| |ULTIMATE.start_cstrcat_~s#1.base|)) (= |ULTIMATE.start_cstrcat_~s#1.base| |ULTIMATE.start_main_#t~malloc11#1.base|))} is VALID [2022-02-21 03:33:10,832 INFO L290 TraceCheckUtils]: 2: Hoare triple {109#(and (>= oldRank0 (+ (select |#length| |ULTIMATE.start_main_#t~malloc11#1.base|) (* (- 1) |ULTIMATE.start_cstrcat_~s#1.offset|))) (<= (+ |ULTIMATE.start_cstrcat_~s#1.offset| 1) (select |#length| |ULTIMATE.start_cstrcat_~s#1.base|)) (= |ULTIMATE.start_cstrcat_~s#1.base| |ULTIMATE.start_main_#t~malloc11#1.base|))} cstrcat_#t~pre2#1.base, cstrcat_#t~pre2#1.offset := cstrcat_~s#1.base, 1 + cstrcat_~s#1.offset;cstrcat_~s#1.base, cstrcat_~s#1.offset := cstrcat_~s#1.base, 1 + cstrcat_~s#1.offset;havoc cstrcat_#t~pre2#1.base, cstrcat_#t~pre2#1.offset; {88#(and (or (and (>= oldRank0 0) (> oldRank0 (+ (select |#length| |ULTIMATE.start_main_#t~malloc11#1.base|) (* (- 1) |ULTIMATE.start_cstrcat_~s#1.offset|)))) unseeded) (= |ULTIMATE.start_cstrcat_~s#1.base| |ULTIMATE.start_main_#t~malloc11#1.base|))} is VALID [2022-02-21 03:33:10,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 03:33:10,852 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:33:10,861 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 03:33:10,862 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 6 letters. Loop has 3 letters. [2022-02-21 03:33:10,864 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:10,866 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-02-21 03:33:10,868 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 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 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:33:10,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-02-21 03:33:11,009 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 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 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 34 states and 44 transitions. Complement of second has 8 states. [2022-02-21 03:33:11,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-02-21 03:33:11,010 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:33:11,010 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:33:11,011 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-02-21 03:33:11,012 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:33:11,012 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:33:11,012 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:33:11,014 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-02-21 03:33:11,014 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:33:11,014 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:33:11,014 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 44 transitions. [2022-02-21 03:33:11,015 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:33:11,015 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:33:11,016 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:33:11,017 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-02-21 03:33:11,018 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 5 examples of accepted words. [2022-02-21 03:33:11,018 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:33:11,020 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-02-21 03:33:11,020 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:33:11,020 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 34 states and 44 transitions. cyclomatic complexity: 13 [2022-02-21 03:33:11,020 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 44 transitions. cyclomatic complexity: 13 [2022-02-21 03:33:11,020 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:33:11,020 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2022-02-21 03:33:11,021 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 6 letters. Loop has 3 letters. [2022-02-21 03:33:11,021 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,021 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 6 letters. Loop has 3 letters. [2022-02-21 03:33:11,021 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,021 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 34 states and 44 transitions. cyclomatic complexity: 13 Stem has 6 letters. Loop has 3 letters. [2022-02-21 03:33:11,022 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,022 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:33:11,022 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,022 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:33:11,022 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,022 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 34 states and 44 transitions. cyclomatic complexity: 13 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:33:11,023 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,023 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 34 letters. Loop has 34 letters. [2022-02-21 03:33:11,023 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,024 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 34 letters. Loop has 34 letters. [2022-02-21 03:33:11,025 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,025 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 34 states and 44 transitions. cyclomatic complexity: 13 Stem has 34 letters. Loop has 34 letters. [2022-02-21 03:33:11,025 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,026 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 16 letters. Loop has 16 letters. [2022-02-21 03:33:11,027 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,027 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 16 letters. Loop has 16 letters. [2022-02-21 03:33:11,027 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,027 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 34 states and 44 transitions. cyclomatic complexity: 13 Stem has 16 letters. Loop has 16 letters. [2022-02-21 03:33:11,027 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,027 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 5 letters. Loop has 5 letters. [2022-02-21 03:33:11,027 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,028 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 5 letters. Loop has 5 letters. [2022-02-21 03:33:11,028 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,028 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 34 states and 44 transitions. cyclomatic complexity: 13 Stem has 5 letters. Loop has 5 letters. [2022-02-21 03:33:11,028 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,029 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 8 letters. Loop has 2 letters. [2022-02-21 03:33:11,029 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,029 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 8 letters. Loop has 2 letters. [2022-02-21 03:33:11,030 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,030 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 34 states and 44 transitions. cyclomatic complexity: 13 Stem has 8 letters. Loop has 2 letters. [2022-02-21 03:33:11,030 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,031 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:33:11,031 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,031 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:33:11,031 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,033 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 34 states and 44 transitions. cyclomatic complexity: 13 Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:33:11,034 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,034 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 6 letters. Loop has 3 letters. [2022-02-21 03:33:11,034 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,034 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 6 letters. Loop has 3 letters. [2022-02-21 03:33:11,034 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,035 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 34 states and 44 transitions. cyclomatic complexity: 13 Stem has 6 letters. Loop has 3 letters. [2022-02-21 03:33:11,035 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,036 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 8 letters. Loop has 3 letters. [2022-02-21 03:33:11,038 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,038 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 8 letters. Loop has 3 letters. [2022-02-21 03:33:11,038 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,039 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 34 states and 44 transitions. cyclomatic complexity: 13 Stem has 8 letters. Loop has 3 letters. [2022-02-21 03:33:11,039 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,039 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 7 letters. Loop has 3 letters. [2022-02-21 03:33:11,039 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,039 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 7 letters. Loop has 3 letters. [2022-02-21 03:33:11,040 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,041 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 34 states and 44 transitions. cyclomatic complexity: 13 Stem has 7 letters. Loop has 3 letters. [2022-02-21 03:33:11,041 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,041 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:33:11,041 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,041 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:33:11,041 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,042 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 34 states and 44 transitions. cyclomatic complexity: 13 Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:33:11,042 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,042 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:33:11,042 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,043 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:33:11,043 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,043 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 34 states and 44 transitions. cyclomatic complexity: 13 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:33:11,043 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,043 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:33:11,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:33:11,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2022-02-21 03:33:11,049 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 6 letters. Loop has 3 letters. [2022-02-21 03:33:11,049 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,049 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 9 letters. Loop has 3 letters. [2022-02-21 03:33:11,049 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,049 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 6 letters. Loop has 6 letters. [2022-02-21 03:33:11,049 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:11,058 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 44 transitions. cyclomatic complexity: 13 [2022-02-21 03:33:11,060 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:33:11,066 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 0 states and 0 transitions. [2022-02-21 03:33:11,067 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-02-21 03:33:11,067 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-02-21 03:33:11,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-02-21 03:33:11,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 03:33:11,068 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:33:11,068 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:33:11,068 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:33:11,068 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 03:33:11,068 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-02-21 03:33:11,068 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:33:11,068 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:33:11,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 03:33:11 BoogieIcfgContainer [2022-02-21 03:33:11,074 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 03:33:11,075 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 03:33:11,075 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 03:33:11,075 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 03:33:11,076 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:33:08" (3/4) ... [2022-02-21 03:33:11,078 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-02-21 03:33:11,078 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 03:33:11,081 INFO L158 Benchmark]: Toolchain (without parser) took 3736.73ms. Allocated memory was 102.8MB in the beginning and 155.2MB in the end (delta: 52.4MB). Free memory was 59.9MB in the beginning and 114.9MB in the end (delta: -55.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:33:11,082 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 102.8MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:33:11,083 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.34ms. Allocated memory is still 102.8MB. Free memory was 59.7MB in the beginning and 69.0MB in the end (delta: -9.3MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2022-02-21 03:33:11,083 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.70ms. Allocated memory is still 102.8MB. Free memory was 69.0MB in the beginning and 66.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:33:11,084 INFO L158 Benchmark]: Boogie Preprocessor took 37.91ms. Allocated memory is still 102.8MB. Free memory was 66.8MB in the beginning and 65.4MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-21 03:33:11,084 INFO L158 Benchmark]: RCFGBuilder took 334.39ms. Allocated memory is still 102.8MB. Free memory was 65.4MB in the beginning and 52.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-02-21 03:33:11,086 INFO L158 Benchmark]: BuchiAutomizer took 2965.42ms. Allocated memory was 102.8MB in the beginning and 155.2MB in the end (delta: 52.4MB). Free memory was 52.5MB in the beginning and 114.9MB in the end (delta: -62.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:33:11,086 INFO L158 Benchmark]: Witness Printer took 2.72ms. Allocated memory is still 155.2MB. Free memory is still 114.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:33:11,091 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 102.8MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.34ms. Allocated memory is still 102.8MB. Free memory was 59.7MB in the beginning and 69.0MB in the end (delta: -9.3MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.70ms. Allocated memory is still 102.8MB. Free memory was 69.0MB in the beginning and 66.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.91ms. Allocated memory is still 102.8MB. Free memory was 66.8MB in the beginning and 65.4MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 334.39ms. Allocated memory is still 102.8MB. Free memory was 65.4MB in the beginning and 52.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 2965.42ms. Allocated memory was 102.8MB in the beginning and 155.2MB in the end (delta: 52.4MB). Free memory was 52.5MB in the beginning and 114.9MB in the end (delta: -62.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.72ms. Allocated memory is still 155.2MB. Free memory is still 114.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * s and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 17 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital183 mio100 ax109 hnf100 lsp88 ukn80 mio100 lsp48 div100 bol100 ite100 ukn100 eq188 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-02-21 03:33:11,115 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE