./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/cstrcpy-alloca-2.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/cstrcpy-alloca-2.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 624eab544b12ce67976c98f49727abb376f7f963832aa58f07a7fb9fd050787e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 03:32:18,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 03:32:18,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 03:32:18,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 03:32:18,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 03:32:18,850 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 03:32:18,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 03:32:18,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 03:32:18,859 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 03:32:18,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 03:32:18,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 03:32:18,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 03:32:18,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 03:32:18,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 03:32:18,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 03:32:18,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 03:32:18,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 03:32:18,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 03:32:18,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 03:32:18,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 03:32:18,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 03:32:18,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 03:32:18,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 03:32:18,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 03:32:18,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 03:32:18,891 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 03:32:18,891 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 03:32:18,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 03:32:18,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 03:32:18,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 03:32:18,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 03:32:18,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 03:32:18,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 03:32:18,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 03:32:18,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 03:32:18,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 03:32:18,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 03:32:18,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 03:32:18,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 03:32:18,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 03:32:18,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 03:32:18,902 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-02-21 03:32:18,935 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 03:32:18,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 03:32:18,936 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 03:32:18,936 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 03:32:18,937 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 03:32:18,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 03:32:18,937 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 03:32:18,938 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 03:32:18,938 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 03:32:18,938 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 03:32:18,939 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 03:32:18,939 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 03:32:18,939 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 03:32:18,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 03:32:18,940 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 03:32:18,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 03:32:18,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 03:32:18,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 03:32:18,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 03:32:18,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 03:32:18,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 03:32:18,941 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 03:32:18,941 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 03:32:18,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 03:32:18,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 03:32:18,943 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 03:32:18,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 03:32:18,944 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 03:32:18,944 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 03:32:18,945 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 624eab544b12ce67976c98f49727abb376f7f963832aa58f07a7fb9fd050787e [2022-02-21 03:32:19,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 03:32:19,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 03:32:19,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 03:32:19,186 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 03:32:19,187 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 03:32:19,188 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/cstrcpy-alloca-2.i [2022-02-21 03:32:19,243 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ddac999a/1e9fe4dc15524db38bbb6ba239b59461/FLAGf2610c1c4 [2022-02-21 03:32:19,652 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 03:32:19,653 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/cstrcpy-alloca-2.i [2022-02-21 03:32:19,662 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ddac999a/1e9fe4dc15524db38bbb6ba239b59461/FLAGf2610c1c4 [2022-02-21 03:32:19,672 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ddac999a/1e9fe4dc15524db38bbb6ba239b59461 [2022-02-21 03:32:19,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 03:32:19,676 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 03:32:19,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 03:32:19,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 03:32:19,684 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 03:32:19,685 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:32:19" (1/1) ... [2022-02-21 03:32:19,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26375b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:32:19, skipping insertion in model container [2022-02-21 03:32:19,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:32:19" (1/1) ... [2022-02-21 03:32:19,690 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 03:32:19,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 03:32:19,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:32:19,975 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 03:32:20,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:32:20,058 INFO L208 MainTranslator]: Completed translation [2022-02-21 03:32:20,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:32:20 WrapperNode [2022-02-21 03:32:20,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 03:32:20,060 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 03:32:20,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 03:32:20,061 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 03:32:20,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:32:20" (1/1) ... [2022-02-21 03:32:20,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:32:20" (1/1) ... [2022-02-21 03:32:20,108 INFO L137 Inliner]: procedures = 111, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-02-21 03:32:20,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 03:32:20,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 03:32:20,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 03:32:20,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 03:32:20,116 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:32:20" (1/1) ... [2022-02-21 03:32:20,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:32:20" (1/1) ... [2022-02-21 03:32:20,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:32:20" (1/1) ... [2022-02-21 03:32:20,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:32:20" (1/1) ... [2022-02-21 03:32:20,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:32:20" (1/1) ... [2022-02-21 03:32:20,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:32:20" (1/1) ... [2022-02-21 03:32:20,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:32:20" (1/1) ... [2022-02-21 03:32:20,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 03:32:20,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 03:32:20,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 03:32:20,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 03:32:20,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:32:20" (1/1) ... [2022-02-21 03:32:20,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:20,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:32:20,185 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 03:32:20,202 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 03:32:20,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-21 03:32:20,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-21 03:32:20,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-21 03:32:20,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-21 03:32:20,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 03:32:20,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 03:32:20,306 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 03:32:20,308 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 03:32:20,461 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 03:32:20,466 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 03:32:20,474 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-21 03:32:20,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:32:20 BoogieIcfgContainer [2022-02-21 03:32:20,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 03:32:20,477 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 03:32:20,477 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 03:32:20,494 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 03:32:20,494 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:32:20,495 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 03:32:19" (1/3) ... [2022-02-21 03:32:20,496 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d34215f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:32:20, skipping insertion in model container [2022-02-21 03:32:20,496 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:32:20,496 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:32:20" (2/3) ... [2022-02-21 03:32:20,496 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d34215f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:32:20, skipping insertion in model container [2022-02-21 03:32:20,496 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:32:20,496 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:32:20" (3/3) ... [2022-02-21 03:32:20,498 INFO L388 chiAutomizerObserver]: Analyzing ICFG cstrcpy-alloca-2.i [2022-02-21 03:32:20,551 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 03:32:20,552 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 03:32:20,552 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 03:32:20,552 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 03:32:20,552 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 03:32:20,552 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 03:32:20,553 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 03:32:20,553 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 03:32:20,580 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:32:20,612 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:32:20,612 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:32:20,612 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:32:20,617 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-02-21 03:32:20,617 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2022-02-21 03:32:20,617 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 03:32:20,617 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:32:20,624 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:32:20,625 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:32:20,625 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:32:20,626 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-02-21 03:32:20,626 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2022-02-21 03:32:20,639 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 11#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; 7#L558true assume !(main_~length1~0#1 < 1); 10#L558-2true assume !(main_~length2~0#1 < 1); 13#L561-1true 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~s1#1.base, cstrcpy_#in~s1#1.offset, cstrcpy_#in~s2#1.base, cstrcpy_#in~s2#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~post2#1.base, cstrcpy_#t~post2#1.offset, cstrcpy_#t~post3#1.base, cstrcpy_#t~post3#1.offset, cstrcpy_#t~mem4#1, cstrcpy_~s1#1.base, cstrcpy_~s1#1.offset, cstrcpy_~s2#1.base, cstrcpy_~s2#1.offset, cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset, cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset;cstrcpy_~s1#1.base, cstrcpy_~s1#1.offset := cstrcpy_#in~s1#1.base, cstrcpy_#in~s1#1.offset;cstrcpy_~s2#1.base, cstrcpy_~s2#1.offset := cstrcpy_#in~s2#1.base, cstrcpy_#in~s2#1.offset;cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset := cstrcpy_~s1#1.base, cstrcpy_~s1#1.offset;cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset := cstrcpy_~s2#1.base, cstrcpy_~s2#1.offset; 8#L551-3true [2022-02-21 03:32:20,640 INFO L793 eck$LassoCheckResult]: Loop: 8#L551-3true cstrcpy_#t~post2#1.base, cstrcpy_#t~post2#1.offset := cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset;cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset := cstrcpy_#t~post2#1.base, 1 + cstrcpy_#t~post2#1.offset;cstrcpy_#t~post3#1.base, cstrcpy_#t~post3#1.offset := cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset;cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset := cstrcpy_#t~post3#1.base, 1 + cstrcpy_#t~post3#1.offset;call cstrcpy_#t~mem4#1 := read~int(cstrcpy_#t~post3#1.base, cstrcpy_#t~post3#1.offset, 1);call write~int(cstrcpy_#t~mem4#1, cstrcpy_#t~post2#1.base, cstrcpy_#t~post2#1.offset, 1); 9#L551-1true assume !!(0 != cstrcpy_#t~mem4#1);havoc cstrcpy_#t~post2#1.base, cstrcpy_#t~post2#1.offset;havoc cstrcpy_#t~post3#1.base, cstrcpy_#t~post3#1.offset;havoc cstrcpy_#t~mem4#1; 8#L551-3true [2022-02-21 03:32:20,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:32:20,652 INFO L85 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2022-02-21 03:32:20,661 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:32:20,661 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387169150] [2022-02-21 03:32:20,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:32:20,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:32:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:32:20,833 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:32:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:32:20,900 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:32:20,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:32:20,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1734, now seen corresponding path program 1 times [2022-02-21 03:32:20,903 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:32:20,904 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326235488] [2022-02-21 03:32:20,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:32:20,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:32:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:32:20,935 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:32:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:32:20,953 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:32:20,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:32:20,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1806939599, now seen corresponding path program 1 times [2022-02-21 03:32:20,956 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:32:20,956 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983290564] [2022-02-21 03:32:20,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:32:20,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:32:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:32:21,016 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:32:21,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:32:21,056 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:32:21,867 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:32:21,867 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:32:21,867 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:32:21,867 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:32:21,868 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-02-21 03:32:21,868 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:21,868 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:32:21,868 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:32:21,868 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcpy-alloca-2.i_Iteration1_Lasso [2022-02-21 03:32:21,868 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:32:21,868 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:32:21,885 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 03:32:21,891 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 03:32:21,895 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 03:32:21,897 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 03:32:21,900 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 03:32:21,903 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 03:32:21,906 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 03:32:21,908 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 03:32:21,910 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 03:32:21,913 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 03:32:21,915 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 03:32:21,917 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 03:32:21,920 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 03:32:21,922 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 03:32:21,924 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 03:32:22,581 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 03:32:22,584 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 03:32:22,587 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 03:32:23,213 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:32:23,218 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-02-21 03:32:23,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:23,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:32:23,221 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 03:32:23,230 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 03:32:23,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:32:23,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:32:23,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:32:23,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:32:23,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:32:23,242 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:32:23,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:32:23,243 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 03:32:23,254 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:32:23,282 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 03:32:23,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:23,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:32:23,284 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 03:32:23,287 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 03:32:23,288 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 03:32:23,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:32:23,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:32:23,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:32:23,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:32:23,298 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:32:23,298 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:32:23,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:32:23,347 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 03:32:23,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:23,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:32:23,349 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 03:32:23,359 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 03:32:23,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:32:23,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:32:23,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:32:23,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:32:23,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:32:23,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:32:23,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:32:23,370 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 03:32:23,381 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:32:23,408 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 03:32:23,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:23,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:32:23,410 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 03:32:23,418 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 03:32:23,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:32:23,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:32:23,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:32:23,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:32:23,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:32:23,426 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:32:23,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:32:23,429 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 03:32:23,435 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:32:23,454 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 03:32:23,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:23,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:32:23,456 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 03:32:23,459 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 03:32:23,460 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 03:32:23,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:32:23,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:32:23,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:32:23,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:32:23,468 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:32:23,468 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:32:23,484 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:32:23,510 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 03:32:23,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:23,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:32:23,512 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 03:32:23,513 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 03:32:23,514 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 03:32:23,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:32:23,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:32:23,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:32:23,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:32:23,526 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:32:23,526 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:32:23,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:32:23,546 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 03:32:23,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:23,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:32:23,548 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 03:32:23,549 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 03:32:23,550 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 03:32:23,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:32:23,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:32:23,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:32:23,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:32:23,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:32:23,558 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:32:23,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:32:23,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:32:23,575 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 03:32:23,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:23,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:32:23,576 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 03:32:23,577 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 03:32:23,579 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 03:32:23,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:32:23,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:32:23,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:32:23,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:32:23,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:32:23,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:32:23,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:32:23,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:32:23,603 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 03:32:23,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:23,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:32:23,605 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 03:32:23,605 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 03:32:23,607 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 03:32:23,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:32:23,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:32:23,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:32:23,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:32:23,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:32:23,614 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:32:23,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:32:23,633 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:32:23,660 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 03:32:23,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:23,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:32:23,662 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 03:32:23,672 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 03:32:23,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:32:23,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:32:23,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:32:23,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:32:23,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:32:23,683 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:32:23,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:32:23,685 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 03:32:23,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:32:23,723 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 03:32:23,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:23,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:32:23,725 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 03:32:23,727 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 03:32:23,728 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 03:32:23,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:32:23,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:32:23,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:32:23,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:32:23,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:32:23,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:32:23,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:32:23,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:32:23,785 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 03:32:23,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:23,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:32:23,791 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 03:32:23,798 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 03:32:23,798 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 03:32:23,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:32:23,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:32:23,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:32:23,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:32:23,807 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:32:23,807 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:32:23,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:32:23,850 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 03:32:23,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:23,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:32:23,852 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 03:32:23,854 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 03:32:23,855 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 03:32:23,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:32:23,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:32:23,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:32:23,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:32:23,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:32:23,864 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:32:23,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:32:23,877 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:32:23,921 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 03:32:23,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:23,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:32:23,922 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:32:23,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-02-21 03:32:23,924 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 03:32:23,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:32:23,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:32:23,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:32:23,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:32:23,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:32:23,931 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:32:23,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:32:23,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:32:23,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-02-21 03:32:23,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:23,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:32:23,950 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:32:23,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-02-21 03:32:23,952 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 03:32:23,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:32:23,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:32:23,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:32:23,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:32:23,965 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:32:23,966 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:32:23,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:32:24,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-02-21 03:32:24,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:24,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:32:24,024 INFO L229 MonitoredProcess]: Starting monitored process 17 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 03:32:24,030 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 03:32:24,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-02-21 03:32:24,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:32:24,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:32:24,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:32:24,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:32:24,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:32:24,038 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:32:24,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:32:24,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-02-21 03:32:24,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:24,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:32:24,082 INFO L229 MonitoredProcess]: Starting monitored process 18 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 03:32:24,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-02-21 03:32:24,084 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 03:32:24,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:32:24,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:32:24,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:32:24,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:32:24,101 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:32:24,101 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:32:24,123 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:32:24,150 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-02-21 03:32:24,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:24,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:32:24,152 INFO L229 MonitoredProcess]: Starting monitored process 19 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 03:32:24,158 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 03:32:24,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-02-21 03:32:24,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:32:24,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:32:24,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:32:24,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:32:24,180 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:32:24,180 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:32:24,202 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-02-21 03:32:24,302 INFO L443 ModelExtractionUtils]: Simplification made 22 calls to the SMT solver. [2022-02-21 03:32:24,303 INFO L444 ModelExtractionUtils]: 15 out of 52 variables were initially zero. Simplification set additionally 30 variables to zero. [2022-02-21 03:32:24,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:24,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:32:24,306 INFO L229 MonitoredProcess]: Starting monitored process 20 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 03:32:24,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-02-21 03:32:24,334 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-02-21 03:32:24,349 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-02-21 03:32:24,349 INFO L513 LassoAnalysis]: Proved termination. [2022-02-21 03:32:24,350 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcpy_~dst~0#1.offset, ULTIMATE.start_main_~length1~0#1) = -2*ULTIMATE.start_cstrcpy_~dst~0#1.offset + 3*ULTIMATE.start_main_~length1~0#1 Supporting invariants [-2*ULTIMATE.start_cstrcpy_~dst~0#1.offset + 3*ULTIMATE.start_cstrcpy_~src~0#1.offset - 3*v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_1 + 3*ULTIMATE.start_main_~length1~0#1 >= 0] [2022-02-21 03:32:24,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-02-21 03:32:24,500 INFO L297 tatePredicateManager]: 12 out of 14 supporting invariants were superfluous and have been removed [2022-02-21 03:32:24,517 INFO L390 LassoCheck]: Loop: "cstrcpy_#t~post2#1.base, cstrcpy_#t~post2#1.offset := cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset;cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset := cstrcpy_#t~post2#1.base, 1 + cstrcpy_#t~post2#1.offset;cstrcpy_#t~post3#1.base, cstrcpy_#t~post3#1.offset := cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset;cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset := cstrcpy_#t~post3#1.base, 1 + cstrcpy_#t~post3#1.offset;call cstrcpy_#t~mem4#1 := read~int(cstrcpy_#t~post3#1.base, cstrcpy_#t~post3#1.offset, 1);call write~int(cstrcpy_#t~mem4#1, cstrcpy_#t~post2#1.base, cstrcpy_#t~post2#1.offset, 1);" "assume !!(0 != cstrcpy_#t~mem4#1);havoc cstrcpy_#t~post2#1.base, cstrcpy_#t~post2#1.offset;havoc cstrcpy_#t~post3#1.base, cstrcpy_#t~post3#1.offset;havoc cstrcpy_#t~mem4#1;" [2022-02-21 03:32:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:32:24,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:32:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:32:24,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 23 conjunts are in the unsatisfiable core [2022-02-21 03:32:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:32:24,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:32:24,668 INFO L290 TraceCheckUtils]: 0: Hoare triple {22#unseeded} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; {22#unseeded} is VALID [2022-02-21 03:32:24,669 INFO L290 TraceCheckUtils]: 1: Hoare triple {22#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; {22#unseeded} is VALID [2022-02-21 03:32:24,669 INFO L290 TraceCheckUtils]: 2: Hoare triple {22#unseeded} assume !(main_~length1~0#1 < 1); {22#unseeded} is VALID [2022-02-21 03:32:24,670 INFO L290 TraceCheckUtils]: 3: Hoare triple {22#unseeded} assume !(main_~length2~0#1 < 1); {22#unseeded} is VALID [2022-02-21 03:32:24,672 INFO L290 TraceCheckUtils]: 4: Hoare triple {22#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~s1#1.base, cstrcpy_#in~s1#1.offset, cstrcpy_#in~s2#1.base, cstrcpy_#in~s2#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~post2#1.base, cstrcpy_#t~post2#1.offset, cstrcpy_#t~post3#1.base, cstrcpy_#t~post3#1.offset, cstrcpy_#t~mem4#1, cstrcpy_~s1#1.base, cstrcpy_~s1#1.offset, cstrcpy_~s2#1.base, cstrcpy_~s2#1.offset, cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset, cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset;cstrcpy_~s1#1.base, cstrcpy_~s1#1.offset := cstrcpy_#in~s1#1.base, cstrcpy_#in~s1#1.offset;cstrcpy_~s2#1.base, cstrcpy_~s2#1.offset := cstrcpy_#in~s2#1.base, cstrcpy_#in~s2#1.offset;cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset := cstrcpy_~s1#1.base, cstrcpy_~s1#1.offset;cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset := cstrcpy_~s2#1.base, cstrcpy_~s2#1.offset; {107#(and (= |ULTIMATE.start_main_#t~malloc8#1.base| |ULTIMATE.start_cstrcpy_~src~0#1.base|) unseeded (>= (+ (* 3 |ULTIMATE.start_cstrcpy_~src~0#1.offset|) (* (- 2) |ULTIMATE.start_cstrcpy_~dst~0#1.offset|) (* 3 |ULTIMATE.start_main_~length1~0#1|) (* (- 3) (select |#length| |ULTIMATE.start_main_#t~malloc8#1.base|))) 0))} is VALID [2022-02-21 03:32:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:32:24,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-21 03:32:24,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:32:24,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:32:24,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-02-21 03:32:24,868 INFO L290 TraceCheckUtils]: 0: Hoare triple {108#(and (>= oldRank0 (+ (* (- 2) |ULTIMATE.start_cstrcpy_~dst~0#1.offset|) (* 3 |ULTIMATE.start_main_~length1~0#1|))) (= |ULTIMATE.start_main_#t~malloc8#1.base| |ULTIMATE.start_cstrcpy_~src~0#1.base|) (>= (+ (* 3 |ULTIMATE.start_cstrcpy_~src~0#1.offset|) (* (- 2) |ULTIMATE.start_cstrcpy_~dst~0#1.offset|) (* 3 |ULTIMATE.start_main_~length1~0#1|) (* (- 3) (select |#length| |ULTIMATE.start_main_#t~malloc8#1.base|))) 0))} cstrcpy_#t~post2#1.base, cstrcpy_#t~post2#1.offset := cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset;cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset := cstrcpy_#t~post2#1.base, 1 + cstrcpy_#t~post2#1.offset;cstrcpy_#t~post3#1.base, cstrcpy_#t~post3#1.offset := cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset;cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset := cstrcpy_#t~post3#1.base, 1 + cstrcpy_#t~post3#1.offset;call cstrcpy_#t~mem4#1 := read~int(cstrcpy_#t~post3#1.base, cstrcpy_#t~post3#1.offset, 1);call write~int(cstrcpy_#t~mem4#1, cstrcpy_#t~post2#1.base, cstrcpy_#t~post2#1.offset, 1); {128#(and (<= (+ 2 (* |ULTIMATE.start_main_~length1~0#1| 3)) (+ oldRank0 (* 2 |ULTIMATE.start_cstrcpy_~dst~0#1.offset|))) (<= (+ (div (+ (* (- 2) |ULTIMATE.start_cstrcpy_~dst~0#1.offset|) 2) (- 3)) (select |#length| |ULTIMATE.start_main_#t~malloc8#1.base|) 1) (+ |ULTIMATE.start_main_~length1~0#1| (select |#length| |ULTIMATE.start_cstrcpy_~src~0#1.base|))) (= |ULTIMATE.start_main_#t~malloc8#1.base| |ULTIMATE.start_cstrcpy_~src~0#1.base|) (<= (+ (div (+ (* (- 2) |ULTIMATE.start_cstrcpy_~dst~0#1.offset|) 2) (- 3)) (select |#length| |ULTIMATE.start_main_#t~malloc8#1.base|) 1) (+ |ULTIMATE.start_main_~length1~0#1| |ULTIMATE.start_cstrcpy_~src~0#1.offset|)))} is VALID [2022-02-21 03:32:24,870 INFO L290 TraceCheckUtils]: 1: Hoare triple {128#(and (<= (+ 2 (* |ULTIMATE.start_main_~length1~0#1| 3)) (+ oldRank0 (* 2 |ULTIMATE.start_cstrcpy_~dst~0#1.offset|))) (<= (+ (div (+ (* (- 2) |ULTIMATE.start_cstrcpy_~dst~0#1.offset|) 2) (- 3)) (select |#length| |ULTIMATE.start_main_#t~malloc8#1.base|) 1) (+ |ULTIMATE.start_main_~length1~0#1| (select |#length| |ULTIMATE.start_cstrcpy_~src~0#1.base|))) (= |ULTIMATE.start_main_#t~malloc8#1.base| |ULTIMATE.start_cstrcpy_~src~0#1.base|) (<= (+ (div (+ (* (- 2) |ULTIMATE.start_cstrcpy_~dst~0#1.offset|) 2) (- 3)) (select |#length| |ULTIMATE.start_main_#t~malloc8#1.base|) 1) (+ |ULTIMATE.start_main_~length1~0#1| |ULTIMATE.start_cstrcpy_~src~0#1.offset|)))} assume !!(0 != cstrcpy_#t~mem4#1);havoc cstrcpy_#t~post2#1.base, cstrcpy_#t~post2#1.offset;havoc cstrcpy_#t~post3#1.base, cstrcpy_#t~post3#1.offset;havoc cstrcpy_#t~mem4#1; {110#(and (or (and (>= oldRank0 0) (> oldRank0 (+ (* (- 2) |ULTIMATE.start_cstrcpy_~dst~0#1.offset|) (* 3 |ULTIMATE.start_main_~length1~0#1|)))) unseeded) (= |ULTIMATE.start_main_#t~malloc8#1.base| |ULTIMATE.start_cstrcpy_~src~0#1.base|) (>= (+ (* 3 |ULTIMATE.start_cstrcpy_~src~0#1.offset|) (* (- 2) |ULTIMATE.start_cstrcpy_~dst~0#1.offset|) (* 3 |ULTIMATE.start_main_~length1~0#1|) (* (- 3) (select |#length| |ULTIMATE.start_main_#t~malloc8#1.base|))) 0))} is VALID [2022-02-21 03:32:24,871 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 03:32:24,898 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 03:32:24,912 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 7 edges. 7 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 03:32:24,914 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 2 letters. [2022-02-21 03:32:24,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:24,922 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 03:32:24,923 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 03:32:25,009 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 24 states and 27 transitions. Complement of second has 6 states. [2022-02-21 03:32:25,010 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 03:32:25,010 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:32:25,010 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:32:25,015 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:32:25,015 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:32:25,015 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:32:25,016 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 03:32:25,021 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-02-21 03:32:25,021 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:32:25,021 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:32:25,021 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 27 transitions. [2022-02-21 03:32:25,023 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:32:25,023 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:32:25,025 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:32:25,029 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:32:25,029 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:32:25,030 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 03:32:25,038 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-02-21 03:32:25,038 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:32:25,038 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 24 states and 27 transitions. cyclomatic complexity: 4 [2022-02-21 03:32:25,039 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 27 transitions. cyclomatic complexity: 4 [2022-02-21 03:32:25,039 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:32:25,039 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2022-02-21 03:32:25,039 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:32:25,039 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,040 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 2 letters. [2022-02-21 03:32:25,040 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,040 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 27 transitions. cyclomatic complexity: 4 Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:32:25,041 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,041 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:32:25,042 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,042 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 1 letters. [2022-02-21 03:32:25,042 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,042 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 27 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:32:25,042 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,042 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 24 letters. Loop has 24 letters. [2022-02-21 03:32:25,043 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,043 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 24 letters. Loop has 24 letters. [2022-02-21 03:32:25,043 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,043 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 27 transitions. cyclomatic complexity: 4 Stem has 24 letters. Loop has 24 letters. [2022-02-21 03:32:25,043 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,044 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 12 letters. Loop has 12 letters. [2022-02-21 03:32:25,044 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,044 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 12 letters. Loop has 12 letters. [2022-02-21 03:32:25,045 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,045 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 27 transitions. cyclomatic complexity: 4 Stem has 12 letters. Loop has 12 letters. [2022-02-21 03:32:25,046 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,046 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 4 letters. Loop has 4 letters. [2022-02-21 03:32:25,046 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,046 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 03:32:25,046 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,046 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 27 transitions. cyclomatic complexity: 4 Stem has 4 letters. Loop has 4 letters. [2022-02-21 03:32:25,047 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,048 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 6 letters. Loop has 2 letters. [2022-02-21 03:32:25,049 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,049 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 2 letters. [2022-02-21 03:32:25,049 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,049 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 27 transitions. cyclomatic complexity: 4 Stem has 6 letters. Loop has 2 letters. [2022-02-21 03:32:25,049 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,050 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:32:25,050 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,050 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 2 letters. [2022-02-21 03:32:25,050 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,050 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 27 transitions. cyclomatic complexity: 4 Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:32:25,051 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,051 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:32:25,051 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,051 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 03:32:25,051 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,052 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 27 transitions. cyclomatic complexity: 4 Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:32:25,052 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,052 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:32:25,052 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,052 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 1 letters. [2022-02-21 03:32:25,052 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,052 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 27 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:32:25,053 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,053 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:32:25,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 03:32:25,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2022-02-21 03:32:25,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:32:25,058 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:32:25,058 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,059 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 5 letters. Loop has 4 letters. [2022-02-21 03:32:25,059 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,060 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 27 transitions. cyclomatic complexity: 4 [2022-02-21 03:32:25,063 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:32:25,065 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2022-02-21 03:32:25,066 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-02-21 03:32:25,066 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-02-21 03:32:25,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-02-21 03:32:25,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 03:32:25,067 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:32:25,067 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:32:25,067 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:32:25,067 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 03:32:25,067 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-02-21 03:32:25,067 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:32:25,068 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:32:25,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 03:32:25 BoogieIcfgContainer [2022-02-21 03:32:25,077 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 03:32:25,078 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 03:32:25,078 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 03:32:25,078 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 03:32:25,079 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:32:20" (3/4) ... [2022-02-21 03:32:25,081 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-02-21 03:32:25,081 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 03:32:25,083 INFO L158 Benchmark]: Toolchain (without parser) took 5406.43ms. Allocated memory was 102.8MB in the beginning and 127.9MB in the end (delta: 25.2MB). Free memory was 73.3MB in the beginning and 78.1MB in the end (delta: -4.9MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2022-02-21 03:32:25,083 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 102.8MB. Free memory is still 57.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:32:25,084 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.52ms. Allocated memory is still 102.8MB. Free memory was 73.3MB in the beginning and 69.8MB in the end (delta: 3.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-02-21 03:32:25,084 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.83ms. Allocated memory is still 102.8MB. Free memory was 69.8MB in the beginning and 67.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 03:32:25,086 INFO L158 Benchmark]: Boogie Preprocessor took 31.80ms. Allocated memory is still 102.8MB. Free memory was 67.7MB in the beginning and 66.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:32:25,087 INFO L158 Benchmark]: RCFGBuilder took 334.05ms. Allocated memory is still 102.8MB. Free memory was 66.3MB in the beginning and 55.1MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-02-21 03:32:25,089 INFO L158 Benchmark]: BuchiAutomizer took 4600.59ms. Allocated memory was 102.8MB in the beginning and 127.9MB in the end (delta: 25.2MB). Free memory was 55.1MB in the beginning and 78.1MB in the end (delta: -23.1MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2022-02-21 03:32:25,090 INFO L158 Benchmark]: Witness Printer took 3.33ms. Allocated memory is still 127.9MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:32:25,095 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 0.23ms. Allocated memory is still 102.8MB. Free memory is still 57.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.52ms. Allocated memory is still 102.8MB. Free memory was 73.3MB in the beginning and 69.8MB in the end (delta: 3.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.83ms. Allocated memory is still 102.8MB. Free memory was 69.8MB in the beginning and 67.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.80ms. Allocated memory is still 102.8MB. Free memory was 67.7MB in the beginning and 66.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 334.05ms. Allocated memory is still 102.8MB. Free memory was 66.3MB in the beginning and 55.1MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 4600.59ms. Allocated memory was 102.8MB in the beginning and 127.9MB in the end (delta: 25.2MB). Free memory was 55.1MB in the beginning and 78.1MB in the end (delta: -23.1MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. * Witness Printer took 3.33ms. Allocated memory is still 127.9MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * dst + 3 * length1 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. 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, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 13 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital199 mio100 ax109 hnf100 lsp88 ukn95 mio100 lsp47 div100 bol100 ite100 ukn100 eq195 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 36ms 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 03:32:25,129 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