./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcpy-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_cstrcpy-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 96d73e5144e69b17de356213175b4cac1e1bd0fb8c4e4377e7e151c0511f2395 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 03:33:09,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 03:33:09,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 03:33:09,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 03:33:09,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 03:33:09,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 03:33:09,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 03:33:09,724 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 03:33:09,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 03:33:09,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 03:33:09,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 03:33:09,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 03:33:09,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 03:33:09,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 03:33:09,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 03:33:09,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 03:33:09,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 03:33:09,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 03:33:09,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 03:33:09,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 03:33:09,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 03:33:09,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 03:33:09,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 03:33:09,759 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 03:33:09,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 03:33:09,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 03:33:09,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 03:33:09,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 03:33:09,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 03:33:09,762 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 03:33:09,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 03:33:09,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 03:33:09,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 03:33:09,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 03:33:09,764 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 03:33:09,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 03:33:09,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 03:33:09,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 03:33:09,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 03:33:09,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 03:33:09,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 03:33:09,767 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-02-21 03:33:09,796 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 03:33:09,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 03:33:09,797 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 03:33:09,797 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 03:33:09,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 03:33:09,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 03:33:09,798 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 03:33:09,798 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 03:33:09,799 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 03:33:09,799 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 03:33:09,799 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 03:33:09,800 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 03:33:09,800 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 03:33:09,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 03:33:09,800 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 03:33:09,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 03:33:09,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 03:33:09,800 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 03:33:09,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 03:33:09,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 03:33:09,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 03:33:09,801 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 03:33:09,801 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 03:33:09,801 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 03:33:09,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 03:33:09,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 03:33:09,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 03:33:09,802 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 03:33:09,802 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 03:33:09,802 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96d73e5144e69b17de356213175b4cac1e1bd0fb8c4e4377e7e151c0511f2395 [2022-02-21 03:33:09,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 03:33:09,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 03:33:09,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 03:33:09,993 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 03:33:09,993 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 03:33:09,994 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcpy-alloca-1.i [2022-02-21 03:33:10,043 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8bcc011e/ea119fd34bf243dfa2115d5fb1626cd3/FLAGfae1e562f [2022-02-21 03:33:10,397 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 03:33:10,397 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcpy-alloca-1.i [2022-02-21 03:33:10,411 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8bcc011e/ea119fd34bf243dfa2115d5fb1626cd3/FLAGfae1e562f [2022-02-21 03:33:10,815 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8bcc011e/ea119fd34bf243dfa2115d5fb1626cd3 [2022-02-21 03:33:10,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 03:33:10,820 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 03:33:10,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 03:33:10,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 03:33:10,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 03:33:10,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:33:10" (1/1) ... [2022-02-21 03:33:10,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e73d87d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:10, skipping insertion in model container [2022-02-21 03:33:10,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:33:10" (1/1) ... [2022-02-21 03:33:10,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 03:33:10,902 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 03:33:11,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:33:11,168 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 03:33:11,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:33:11,209 INFO L208 MainTranslator]: Completed translation [2022-02-21 03:33:11,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:11 WrapperNode [2022-02-21 03:33:11,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 03:33:11,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 03:33:11,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 03:33:11,210 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 03:33:11,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:11" (1/1) ... [2022-02-21 03:33:11,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:11" (1/1) ... [2022-02-21 03:33:11,252 INFO L137 Inliner]: procedures = 111, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52 [2022-02-21 03:33:11,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 03:33:11,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 03:33:11,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 03:33:11,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 03:33:11,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:11" (1/1) ... [2022-02-21 03:33:11,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:11" (1/1) ... [2022-02-21 03:33:11,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:11" (1/1) ... [2022-02-21 03:33:11,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:11" (1/1) ... [2022-02-21 03:33:11,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:11" (1/1) ... [2022-02-21 03:33:11,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:11" (1/1) ... [2022-02-21 03:33:11,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:11" (1/1) ... [2022-02-21 03:33:11,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 03:33:11,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 03:33:11,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 03:33:11,291 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 03:33:11,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:11" (1/1) ... [2022-02-21 03:33:11,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:11,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:11,340 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 03:33:11,342 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 03:33:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-21 03:33:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-21 03:33:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-21 03:33:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-21 03:33:11,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 03:33:11,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 03:33:11,490 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 03:33:11,491 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 03:33:11,620 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 03:33:11,625 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 03:33:11,626 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-21 03:33:11,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:33:11 BoogieIcfgContainer [2022-02-21 03:33:11,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 03:33:11,628 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 03:33:11,628 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 03:33:11,631 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 03:33:11,632 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:33:11,632 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 03:33:10" (1/3) ... [2022-02-21 03:33:11,633 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76b3929c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:33:11, skipping insertion in model container [2022-02-21 03:33:11,633 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:33:11,633 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:33:11" (2/3) ... [2022-02-21 03:33:11,633 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76b3929c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:33:11, skipping insertion in model container [2022-02-21 03:33:11,633 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:33:11,633 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:33:11" (3/3) ... [2022-02-21 03:33:11,634 INFO L388 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcpy-alloca-1.i [2022-02-21 03:33:11,662 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 03:33:11,663 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 03:33:11,663 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 03:33:11,663 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 03:33:11,663 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 03:33:11,663 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 03:33:11,663 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 03:33:11,663 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 03:33:11,674 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 03:33:11,687 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-02-21 03:33:11,687 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:33:11,687 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:33:11,690 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-02-21 03:33:11,691 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-02-21 03:33:11,691 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 03:33:11,691 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 03:33:11,693 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-02-21 03:33:11,693 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:33:11,693 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:33:11,693 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-02-21 03:33:11,694 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-02-21 03:33:11,698 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~ret9#1.base, main_#t~ret9#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length1~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~length2~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 12#L557true assume !(main_~length1~0#1 < 1); 7#L557-2true assume !(main_~length2~0#1 < 1); 6#L560-1true assume !(main_~length1~0#1 < main_~length2~0#1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcpy } true;cstrcpy_#in~to#1.base, cstrcpy_#in~to#1.offset, cstrcpy_#in~from#1.base, cstrcpy_#in~from#1.offset := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc cstrcpy_#res#1.base, cstrcpy_#res#1.offset;havoc cstrcpy_#t~pre2#1.base, cstrcpy_#t~pre2#1.offset, cstrcpy_#t~pre3#1.base, cstrcpy_#t~pre3#1.offset, cstrcpy_#t~mem4#1, cstrcpy_~to#1.base, cstrcpy_~to#1.offset, cstrcpy_~from#1.base, cstrcpy_~from#1.offset, cstrcpy_~save~0#1.base, cstrcpy_~save~0#1.offset;cstrcpy_~to#1.base, cstrcpy_~to#1.offset := cstrcpy_#in~to#1.base, cstrcpy_#in~to#1.offset;cstrcpy_~from#1.base, cstrcpy_~from#1.offset := cstrcpy_#in~from#1.base, cstrcpy_#in~from#1.offset;cstrcpy_~save~0#1.base, cstrcpy_~save~0#1.offset := cstrcpy_~to#1.base, cstrcpy_~to#1.offset; 13#L551-4true [2022-02-21 03:33:11,698 INFO L793 eck$LassoCheckResult]: Loop: 13#L551-4true call cstrcpy_#t~mem4#1 := read~int(cstrcpy_~from#1.base, cstrcpy_~from#1.offset, 1);call write~int(cstrcpy_#t~mem4#1, cstrcpy_~to#1.base, cstrcpy_~to#1.offset, 1); 8#L551-1true assume !!(0 != cstrcpy_#t~mem4#1);havoc cstrcpy_#t~mem4#1; 9#L551-3true cstrcpy_#t~pre2#1.base, cstrcpy_#t~pre2#1.offset := cstrcpy_~from#1.base, 1 + cstrcpy_~from#1.offset;cstrcpy_~from#1.base, cstrcpy_~from#1.offset := cstrcpy_~from#1.base, 1 + cstrcpy_~from#1.offset;havoc cstrcpy_#t~pre2#1.base, cstrcpy_#t~pre2#1.offset;cstrcpy_#t~pre3#1.base, cstrcpy_#t~pre3#1.offset := cstrcpy_~to#1.base, 1 + cstrcpy_~to#1.offset;cstrcpy_~to#1.base, cstrcpy_~to#1.offset := cstrcpy_~to#1.base, 1 + cstrcpy_~to#1.offset;havoc cstrcpy_#t~pre3#1.base, cstrcpy_#t~pre3#1.offset; 13#L551-4true [2022-02-21 03:33:11,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:33:11,702 INFO L85 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2022-02-21 03:33:11,709 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:33:11,709 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409474817] [2022-02-21 03:33:11,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:33:11,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:33:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:33:11,861 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:33:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:33:11,927 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:33:11,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:33:11,929 INFO L85 PathProgramCache]: Analyzing trace with hash 52792, now seen corresponding path program 1 times [2022-02-21 03:33:11,929 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:33:11,930 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335209623] [2022-02-21 03:33:11,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:33:11,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:33:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:33:11,964 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:33:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:33:11,971 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:33:11,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:33:11,977 INFO L85 PathProgramCache]: Analyzing trace with hash 180551759, now seen corresponding path program 1 times [2022-02-21 03:33:11,977 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:33:11,977 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382823806] [2022-02-21 03:33:11,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:33:11,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:33:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:33:12,028 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:33:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:33:12,053 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:33:12,705 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:33:12,706 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:33:12,706 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:33:12,706 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:33:12,706 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-02-21 03:33:12,707 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:12,707 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:33:12,707 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:33:12,707 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcpy-alloca-1.i_Iteration1_Lasso [2022-02-21 03:33:12,707 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:33:12,707 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:33:12,723 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 03:33:12,729 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 03:33:12,731 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 03:33:12,735 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 03:33:12,737 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 03:33:13,172 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 03:33:13,175 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 03:33:13,177 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 03:33:13,179 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 03:33:13,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:33:13,184 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 03:33:13,186 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 03:33:13,188 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 03:33:13,190 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 03:33:13,192 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 03:33:13,194 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 03:33:13,196 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 03:33:13,198 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 03:33:13,673 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:33:13,675 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-02-21 03:33:13,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:13,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:13,678 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 03:33:13,679 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 03:33:13,715 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 03:33:13,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:33:13,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:33:13,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:33:13,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:33:13,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:33:13,725 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:33:13,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:33:13,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:33:13,774 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 03:33:13,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:13,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:13,778 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 03:33:13,779 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 03:33:13,780 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 03:33:13,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:33:13,788 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:33:13,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:33:13,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:33:13,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:33:13,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:33:13,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:33:13,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:33:13,845 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 03:33:13,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:13,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:13,851 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 03:33:13,853 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 03:33:13,856 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 03:33:13,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:33:13,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:33:13,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:33:13,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:33:13,881 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:33:13,881 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:33:13,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:33:13,942 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 03:33:13,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:13,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:13,944 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 03:33:13,945 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 03:33:13,946 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 03:33:13,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:33:13,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:33:13,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:33:13,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:33:13,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:33:13,964 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:33:13,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:33:13,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:33:13,996 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 03:33:13,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:13,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:13,998 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 03:33:13,999 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 03:33:14,000 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 03:33:14,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:33:14,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:33:14,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:33:14,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:33:14,035 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:33:14,042 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:33:14,080 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-02-21 03:33:14,154 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-02-21 03:33:14,154 INFO L444 ModelExtractionUtils]: 25 out of 46 variables were initially zero. Simplification set additionally 18 variables to zero. [2022-02-21 03:33:14,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:33:14,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:33:14,175 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 03:33:14,207 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 03:33:14,208 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-02-21 03:33:14,236 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-02-21 03:33:14,236 INFO L513 LassoAnalysis]: Proved termination. [2022-02-21 03:33:14,237 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcpy_~to#1.offset, v_rep(select #length ULTIMATE.start_cstrcpy_~from#1.base)_1) = -1*ULTIMATE.start_cstrcpy_~to#1.offset + 1*v_rep(select #length ULTIMATE.start_cstrcpy_~from#1.base)_1 Supporting invariants [] [2022-02-21 03:33:14,277 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 03:33:14,348 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2022-02-21 03:33:14,357 INFO L390 LassoCheck]: Loop: "call cstrcpy_#t~mem4#1 := read~int(cstrcpy_~from#1.base, cstrcpy_~from#1.offset, 1);call write~int(cstrcpy_#t~mem4#1, cstrcpy_~to#1.base, cstrcpy_~to#1.offset, 1);" "assume !!(0 != cstrcpy_#t~mem4#1);havoc cstrcpy_#t~mem4#1;" "cstrcpy_#t~pre2#1.base, cstrcpy_#t~pre2#1.offset := cstrcpy_~from#1.base, 1 + cstrcpy_~from#1.offset;cstrcpy_~from#1.base, cstrcpy_~from#1.offset := cstrcpy_~from#1.base, 1 + cstrcpy_~from#1.offset;havoc cstrcpy_#t~pre2#1.base, cstrcpy_#t~pre2#1.offset;cstrcpy_#t~pre3#1.base, cstrcpy_#t~pre3#1.offset := cstrcpy_~to#1.base, 1 + cstrcpy_~to#1.offset;cstrcpy_~to#1.base, cstrcpy_~to#1.offset := cstrcpy_~to#1.base, 1 + cstrcpy_~to#1.offset;havoc cstrcpy_#t~pre3#1.base, cstrcpy_#t~pre3#1.offset;" [2022-02-21 03:33:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:33:14,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:33:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:33:14,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 18 conjunts are in the unsatisfiable core [2022-02-21 03:33:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:33:14,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:33:14,449 INFO L290 TraceCheckUtils]: 0: Hoare triple {23#unseeded} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; {23#unseeded} is VALID [2022-02-21 03:33:14,450 INFO L290 TraceCheckUtils]: 1: Hoare triple {23#unseeded} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~ret9#1.base, main_#t~ret9#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length1~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~length2~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; {23#unseeded} is VALID [2022-02-21 03:33:14,450 INFO L290 TraceCheckUtils]: 2: Hoare triple {23#unseeded} assume !(main_~length1~0#1 < 1); {23#unseeded} is VALID [2022-02-21 03:33:14,451 INFO L290 TraceCheckUtils]: 3: Hoare triple {23#unseeded} assume !(main_~length2~0#1 < 1); {23#unseeded} is VALID [2022-02-21 03:33:14,452 INFO L290 TraceCheckUtils]: 4: Hoare triple {23#unseeded} assume !(main_~length1~0#1 < main_~length2~0#1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcpy } true;cstrcpy_#in~to#1.base, cstrcpy_#in~to#1.offset, cstrcpy_#in~from#1.base, cstrcpy_#in~from#1.offset := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc cstrcpy_#res#1.base, cstrcpy_#res#1.offset;havoc cstrcpy_#t~pre2#1.base, cstrcpy_#t~pre2#1.offset, cstrcpy_#t~pre3#1.base, cstrcpy_#t~pre3#1.offset, cstrcpy_#t~mem4#1, cstrcpy_~to#1.base, cstrcpy_~to#1.offset, cstrcpy_~from#1.base, cstrcpy_~from#1.offset, cstrcpy_~save~0#1.base, cstrcpy_~save~0#1.offset;cstrcpy_~to#1.base, cstrcpy_~to#1.offset := cstrcpy_#in~to#1.base, cstrcpy_#in~to#1.offset;cstrcpy_~from#1.base, cstrcpy_~from#1.offset := cstrcpy_#in~from#1.base, cstrcpy_#in~from#1.offset;cstrcpy_~save~0#1.base, cstrcpy_~save~0#1.offset := cstrcpy_~to#1.base, cstrcpy_~to#1.offset; {102#(and (= |ULTIMATE.start_cstrcpy_~from#1.offset| |ULTIMATE.start_cstrcpy_~to#1.offset|) unseeded)} is VALID [2022-02-21 03:33:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:33:14,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-21 03:33:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:33:14,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:33:14,516 INFO L290 TraceCheckUtils]: 0: Hoare triple {103#(and (= |ULTIMATE.start_cstrcpy_~from#1.offset| |ULTIMATE.start_cstrcpy_~to#1.offset|) (>= oldRank0 (+ (* (- 1) |ULTIMATE.start_cstrcpy_~to#1.offset|) (select |#length| |ULTIMATE.start_cstrcpy_~from#1.base|))))} call cstrcpy_#t~mem4#1 := read~int(cstrcpy_~from#1.base, cstrcpy_~from#1.offset, 1);call write~int(cstrcpy_#t~mem4#1, cstrcpy_~to#1.base, cstrcpy_~to#1.offset, 1); {123#(and (= |ULTIMATE.start_cstrcpy_~from#1.offset| |ULTIMATE.start_cstrcpy_~to#1.offset|) (>= oldRank0 (+ (* (- 1) |ULTIMATE.start_cstrcpy_~to#1.offset|) (select |#length| |ULTIMATE.start_cstrcpy_~from#1.base|))) (<= (+ |ULTIMATE.start_cstrcpy_~from#1.offset| 1) (select |#length| |ULTIMATE.start_cstrcpy_~from#1.base|)))} is VALID [2022-02-21 03:33:14,517 INFO L290 TraceCheckUtils]: 1: Hoare triple {123#(and (= |ULTIMATE.start_cstrcpy_~from#1.offset| |ULTIMATE.start_cstrcpy_~to#1.offset|) (>= oldRank0 (+ (* (- 1) |ULTIMATE.start_cstrcpy_~to#1.offset|) (select |#length| |ULTIMATE.start_cstrcpy_~from#1.base|))) (<= (+ |ULTIMATE.start_cstrcpy_~from#1.offset| 1) (select |#length| |ULTIMATE.start_cstrcpy_~from#1.base|)))} assume !!(0 != cstrcpy_#t~mem4#1);havoc cstrcpy_#t~mem4#1; {123#(and (= |ULTIMATE.start_cstrcpy_~from#1.offset| |ULTIMATE.start_cstrcpy_~to#1.offset|) (>= oldRank0 (+ (* (- 1) |ULTIMATE.start_cstrcpy_~to#1.offset|) (select |#length| |ULTIMATE.start_cstrcpy_~from#1.base|))) (<= (+ |ULTIMATE.start_cstrcpy_~from#1.offset| 1) (select |#length| |ULTIMATE.start_cstrcpy_~from#1.base|)))} is VALID [2022-02-21 03:33:14,518 INFO L290 TraceCheckUtils]: 2: Hoare triple {123#(and (= |ULTIMATE.start_cstrcpy_~from#1.offset| |ULTIMATE.start_cstrcpy_~to#1.offset|) (>= oldRank0 (+ (* (- 1) |ULTIMATE.start_cstrcpy_~to#1.offset|) (select |#length| |ULTIMATE.start_cstrcpy_~from#1.base|))) (<= (+ |ULTIMATE.start_cstrcpy_~from#1.offset| 1) (select |#length| |ULTIMATE.start_cstrcpy_~from#1.base|)))} cstrcpy_#t~pre2#1.base, cstrcpy_#t~pre2#1.offset := cstrcpy_~from#1.base, 1 + cstrcpy_~from#1.offset;cstrcpy_~from#1.base, cstrcpy_~from#1.offset := cstrcpy_~from#1.base, 1 + cstrcpy_~from#1.offset;havoc cstrcpy_#t~pre2#1.base, cstrcpy_#t~pre2#1.offset;cstrcpy_#t~pre3#1.base, cstrcpy_#t~pre3#1.offset := cstrcpy_~to#1.base, 1 + cstrcpy_~to#1.offset;cstrcpy_~to#1.base, cstrcpy_~to#1.offset := cstrcpy_~to#1.base, 1 + cstrcpy_~to#1.offset;havoc cstrcpy_#t~pre3#1.base, cstrcpy_#t~pre3#1.offset; {105#(and (= |ULTIMATE.start_cstrcpy_~from#1.offset| |ULTIMATE.start_cstrcpy_~to#1.offset|) (or unseeded (and (>= oldRank0 0) (> oldRank0 (+ (* (- 1) |ULTIMATE.start_cstrcpy_~to#1.offset|) (select |#length| |ULTIMATE.start_cstrcpy_~from#1.base|))))))} is VALID [2022-02-21 03:33:14,519 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 03:33:14,550 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:33:14,560 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 03:33:14,562 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 5 letters. Loop has 3 letters. [2022-02-21 03:33:14,563 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,566 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 03:33:14,567 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:33:14,655 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 33 transitions. Complement of second has 5 states. [2022-02-21 03:33:14,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-02-21 03:33:14,656 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:33:14,656 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 03:33:14,658 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-02-21 03:33:14,658 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:33:14,658 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:33:14,659 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:33:14,666 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-02-21 03:33:14,666 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:33:14,666 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:33:14,666 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 33 transitions. [2022-02-21 03:33:14,669 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:33:14,669 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:33:14,673 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 03:33:14,674 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 03:33:14,675 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-02-21 03:33:14,676 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 3 examples of accepted words. [2022-02-21 03:33:14,676 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:33:14,677 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-02-21 03:33:14,677 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:33:14,677 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 29 states and 33 transitions. cyclomatic complexity: 5 [2022-02-21 03:33:14,677 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 33 transitions. cyclomatic complexity: 5 [2022-02-21 03:33:14,677 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:33:14,677 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2022-02-21 03:33:14,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 5 letters. Loop has 3 letters. [2022-02-21 03:33:14,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 5 letters. Loop has 3 letters. [2022-02-21 03:33:14,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 33 transitions. cyclomatic complexity: 5 Stem has 5 letters. Loop has 3 letters. [2022-02-21 03:33:14,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 03:33:14,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:33:14,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 33 transitions. cyclomatic complexity: 5 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:33:14,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,679 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 29 letters. Loop has 29 letters. [2022-02-21 03:33:14,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,679 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 29 letters. Loop has 29 letters. [2022-02-21 03:33:14,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,679 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 33 transitions. cyclomatic complexity: 5 Stem has 29 letters. Loop has 29 letters. [2022-02-21 03:33:14,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,679 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 13 letters. Loop has 13 letters. [2022-02-21 03:33:14,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,679 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 13 letters. Loop has 13 letters. [2022-02-21 03:33:14,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,679 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 33 transitions. cyclomatic complexity: 5 Stem has 13 letters. Loop has 13 letters. [2022-02-21 03:33:14,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,680 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 4 letters. Loop has 4 letters. [2022-02-21 03:33:14,680 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,680 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 4 letters. Loop has 4 letters. [2022-02-21 03:33:14,680 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,680 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 33 transitions. cyclomatic complexity: 5 Stem has 4 letters. Loop has 4 letters. [2022-02-21 03:33:14,680 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,680 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 03:33:14,680 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,680 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 7 letters. Loop has 3 letters. [2022-02-21 03:33:14,680 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,680 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 33 transitions. cyclomatic complexity: 5 Stem has 7 letters. Loop has 3 letters. [2022-02-21 03:33:14,681 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,681 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 03:33:14,681 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,681 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 6 letters. Loop has 3 letters. [2022-02-21 03:33:14,681 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,681 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 33 transitions. cyclomatic complexity: 5 Stem has 6 letters. Loop has 3 letters. [2022-02-21 03:33:14,681 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,681 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 5 letters. Loop has 3 letters. [2022-02-21 03:33:14,681 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,681 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 5 letters. Loop has 3 letters. [2022-02-21 03:33:14,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,682 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 33 transitions. cyclomatic complexity: 5 Stem has 5 letters. Loop has 3 letters. [2022-02-21 03:33:14,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,682 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 03:33:14,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,682 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:33:14,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,682 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 33 transitions. cyclomatic complexity: 5 Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:33:14,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,682 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 03:33:14,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,682 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:33:14,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,683 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 33 transitions. cyclomatic complexity: 5 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:33:14,683 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,683 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:33:14,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:33:14,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2022-02-21 03:33:14,717 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 5 letters. Loop has 3 letters. [2022-02-21 03:33:14,717 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,718 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 8 letters. Loop has 3 letters. [2022-02-21 03:33:14,718 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,718 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 5 letters. Loop has 6 letters. [2022-02-21 03:33:14,718 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:33:14,718 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 33 transitions. cyclomatic complexity: 5 [2022-02-21 03:33:14,725 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:33:14,727 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2022-02-21 03:33:14,727 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-02-21 03:33:14,727 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-02-21 03:33:14,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-02-21 03:33:14,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 03:33:14,728 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:33:14,728 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:33:14,728 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:33:14,728 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 03:33:14,728 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-02-21 03:33:14,728 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:33:14,728 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:33:14,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 03:33:14 BoogieIcfgContainer [2022-02-21 03:33:14,734 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 03:33:14,734 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 03:33:14,734 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 03:33:14,734 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 03:33:14,734 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:33:11" (3/4) ... [2022-02-21 03:33:14,737 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-02-21 03:33:14,737 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 03:33:14,738 INFO L158 Benchmark]: Toolchain (without parser) took 3917.69ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 63.5MB in the beginning and 71.1MB in the end (delta: -7.5MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2022-02-21 03:33:14,744 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 86.0MB. Free memory was 62.5MB in the beginning and 62.4MB in the end (delta: 46.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:33:14,745 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.64ms. Allocated memory is still 86.0MB. Free memory was 63.3MB in the beginning and 54.2MB in the end (delta: 9.1MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2022-02-21 03:33:14,748 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.57ms. Allocated memory is still 86.0MB. Free memory was 53.9MB in the beginning and 52.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 03:33:14,749 INFO L158 Benchmark]: Boogie Preprocessor took 36.71ms. Allocated memory is still 86.0MB. Free memory was 52.1MB in the beginning and 50.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:33:14,749 INFO L158 Benchmark]: RCFGBuilder took 337.43ms. Allocated memory is still 86.0MB. Free memory was 50.7MB in the beginning and 39.5MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-02-21 03:33:14,750 INFO L158 Benchmark]: BuchiAutomizer took 3105.27ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 39.5MB in the beginning and 71.4MB in the end (delta: -31.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:33:14,750 INFO L158 Benchmark]: Witness Printer took 2.83ms. Allocated memory is still 104.9MB. Free memory was 71.4MB in the beginning and 71.1MB in the end (delta: 370.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:33:14,755 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 0.14ms. Allocated memory is still 86.0MB. Free memory was 62.5MB in the beginning and 62.4MB in the end (delta: 46.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.64ms. Allocated memory is still 86.0MB. Free memory was 63.3MB in the beginning and 54.2MB in the end (delta: 9.1MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.57ms. Allocated memory is still 86.0MB. Free memory was 53.9MB in the beginning and 52.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.71ms. Allocated memory is still 86.0MB. Free memory was 52.1MB in the beginning and 50.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 337.43ms. Allocated memory is still 86.0MB. Free memory was 50.7MB in the beginning and 39.5MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 3105.27ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 39.5MB in the beginning and 71.4MB in the end (delta: -31.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.83ms. Allocated memory is still 104.9MB. Free memory was 71.4MB in the beginning and 71.1MB in the end (delta: 370.3kB). 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 -1 * to + unknown-#length-unknown[from] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. 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, 15 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 16 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital193 mio100 ax109 hnf100 lsp88 ukn94 mio100 lsp46 div100 bol100 ite100 ukn100 eq195 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 73ms 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 03:33:14,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE