./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-dietlibc/strlcpy.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-dietlibc/strlcpy.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 c2292e98244edafad4d7dc9607780b552ab07213ed34494d4f4d17ad8279c4d0 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:00:49,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:00:49,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:00:49,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:00:49,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:00:49,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:00:49,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:00:49,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:00:49,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:00:49,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:00:49,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:00:49,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:00:49,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:00:49,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:00:49,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:00:49,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:00:49,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:00:49,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:00:49,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:00:49,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:00:49,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:00:49,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:00:49,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:00:49,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:00:49,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:00:49,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:00:49,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:00:49,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:00:49,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:00:49,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:00:49,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:00:49,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:00:49,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:00:49,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:00:49,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:00:49,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:00:49,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:00:49,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:00:49,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:00:49,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:00:49,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:00:49,170 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-15 17:00:49,196 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:00:49,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:00:49,197 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:00:49,198 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:00:49,198 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:00:49,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:00:49,199 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:00:49,199 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:00:49,199 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:00:49,199 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:00:49,200 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:00:49,200 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:00:49,200 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:00:49,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:00:49,200 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:00:49,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:00:49,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:00:49,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:00:49,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:00:49,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:00:49,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:00:49,201 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:00:49,201 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:00:49,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:00:49,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:00:49,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:00:49,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:00:49,202 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:00:49,202 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:00:49,203 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:00:49,203 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2292e98244edafad4d7dc9607780b552ab07213ed34494d4f4d17ad8279c4d0 [2021-12-15 17:00:49,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:00:49,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:00:49,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:00:49,435 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:00:49,435 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:00:49,436 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-dietlibc/strlcpy.i [2021-12-15 17:00:49,506 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/028cb917a/e46be86820c34777873d4f7259744fb3/FLAGea8cfbf41 [2021-12-15 17:00:49,898 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:00:49,899 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-dietlibc/strlcpy.i [2021-12-15 17:00:49,912 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/028cb917a/e46be86820c34777873d4f7259744fb3/FLAGea8cfbf41 [2021-12-15 17:00:49,923 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/028cb917a/e46be86820c34777873d4f7259744fb3 [2021-12-15 17:00:49,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:00:49,926 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:00:49,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:00:49,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:00:49,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:00:49,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:00:49" (1/1) ... [2021-12-15 17:00:49,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68ec78c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:00:49, skipping insertion in model container [2021-12-15 17:00:49,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:00:49" (1/1) ... [2021-12-15 17:00:49,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:00:49,970 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:00:50,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:00:50,216 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:00:50,249 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:00:50,265 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:00:50,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:00:50 WrapperNode [2021-12-15 17:00:50,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:00:50,267 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:00:50,267 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:00:50,267 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:00:50,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:00:50" (1/1) ... [2021-12-15 17:00:50,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:00:50" (1/1) ... [2021-12-15 17:00:50,302 INFO L137 Inliner]: procedures = 113, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2021-12-15 17:00:50,304 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:00:50,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:00:50,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:00:50,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:00:50,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:00:50" (1/1) ... [2021-12-15 17:00:50,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:00:50" (1/1) ... [2021-12-15 17:00:50,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:00:50" (1/1) ... [2021-12-15 17:00:50,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:00:50" (1/1) ... [2021-12-15 17:00:50,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:00:50" (1/1) ... [2021-12-15 17:00:50,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:00:50" (1/1) ... [2021-12-15 17:00:50,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:00:50" (1/1) ... [2021-12-15 17:00:50,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:00:50,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:00:50,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:00:50,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:00:50,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:00:50" (1/1) ... [2021-12-15 17:00:50,338 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:50,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:50,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:50,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-15 17:00:50,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 17:00:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 17:00:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 17:00:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 17:00:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:00:50,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:00:50,492 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:00:50,493 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:00:50,692 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:00:50,696 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:00:50,711 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 17:00:50,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:00:50 BoogieIcfgContainer [2021-12-15 17:00:50,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:00:50,714 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:00:50,714 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:00:50,716 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:00:50,717 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:00:50,717 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:00:49" (1/3) ... [2021-12-15 17:00:50,718 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a8276b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:00:50, skipping insertion in model container [2021-12-15 17:00:50,718 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:00:50,718 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:00:50" (2/3) ... [2021-12-15 17:00:50,718 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a8276b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:00:50, skipping insertion in model container [2021-12-15 17:00:50,718 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:00:50,718 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:00:50" (3/3) ... [2021-12-15 17:00:50,719 INFO L388 chiAutomizerObserver]: Analyzing ICFG strlcpy.i [2021-12-15 17:00:50,778 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:00:50,778 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:00:50,778 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:00:50,778 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:00:50,778 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:00:50,778 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:00:50,778 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:00:50,779 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:00:50,796 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:00:50,818 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-15 17:00:50,823 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:00:50,825 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:00:50,830 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-15 17:00:50,831 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-15 17:00:50,831 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:00:50,831 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:00:50,833 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-15 17:00:50,839 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:00:50,839 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:00:50,840 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-15 17:00:50,840 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-15 17:00:50,845 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 11#L530true assume !(main_~in_len~0#1 < 1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 5#L534true assume !(main_~out_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;assume { :begin_inline_strlcpy } true;strlcpy_#in~dst#1.base, strlcpy_#in~dst#1.offset, strlcpy_#in~src#1.base, strlcpy_#in~src#1.offset, strlcpy_#in~siz#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset, main_~out_len~0#1;havoc strlcpy_#res#1;havoc strlcpy_#t~pre2#1, strlcpy_#t~short3#1, strlcpy_#t~post5#1.base, strlcpy_#t~post5#1.offset, strlcpy_#t~post6#1.base, strlcpy_#t~post6#1.offset, strlcpy_#t~mem7#1, strlcpy_#t~pre4#1, strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset, strlcpy_#t~mem9#1, strlcpy_~dst#1.base, strlcpy_~dst#1.offset, strlcpy_~src#1.base, strlcpy_~src#1.offset, strlcpy_~siz#1, strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset, strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset, strlcpy_~n~0#1;strlcpy_~dst#1.base, strlcpy_~dst#1.offset := strlcpy_#in~dst#1.base, strlcpy_#in~dst#1.offset;strlcpy_~src#1.base, strlcpy_~src#1.offset := strlcpy_#in~src#1.base, strlcpy_#in~src#1.offset;strlcpy_~siz#1 := strlcpy_#in~siz#1;strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset := strlcpy_~dst#1.base, strlcpy_~dst#1.offset;strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset := strlcpy_~src#1.base, strlcpy_~src#1.offset;strlcpy_~n~0#1 := strlcpy_~siz#1;strlcpy_#t~short3#1 := 0 != strlcpy_~n~0#1 % 18446744073709551616; 16#L514true assume strlcpy_#t~short3#1;strlcpy_#t~pre2#1 := strlcpy_~n~0#1 - 1;strlcpy_~n~0#1 := strlcpy_~n~0#1 - 1;strlcpy_#t~short3#1 := 0 != strlcpy_#t~pre2#1 % 18446744073709551616; 21#L514-2true assume strlcpy_#t~short3#1;havoc strlcpy_#t~pre2#1;havoc strlcpy_#t~short3#1; 9#L515-4true [2021-12-15 17:00:50,859 INFO L793 eck$LassoCheckResult]: Loop: 9#L515-4true strlcpy_#t~post5#1.base, strlcpy_#t~post5#1.offset := strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset;strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset := strlcpy_#t~post5#1.base, 1 + strlcpy_#t~post5#1.offset;strlcpy_#t~post6#1.base, strlcpy_#t~post6#1.offset := strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset;strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset := strlcpy_#t~post6#1.base, 1 + strlcpy_#t~post6#1.offset;call strlcpy_#t~mem7#1 := read~int(strlcpy_#t~post6#1.base, strlcpy_#t~post6#1.offset, 1);call write~int(strlcpy_#t~mem7#1, strlcpy_#t~post5#1.base, strlcpy_#t~post5#1.offset, 1); 18#L516true assume !(0 == strlcpy_#t~mem7#1);havoc strlcpy_#t~post5#1.base, strlcpy_#t~post5#1.offset;havoc strlcpy_#t~post6#1.base, strlcpy_#t~post6#1.offset;havoc strlcpy_#t~mem7#1; 6#L515-1true strlcpy_#t~pre4#1 := strlcpy_~n~0#1 - 1;strlcpy_~n~0#1 := strlcpy_~n~0#1 - 1; 7#L515-2true assume !!(0 != strlcpy_#t~pre4#1 % 18446744073709551616);havoc strlcpy_#t~pre4#1; 9#L515-4true [2021-12-15 17:00:50,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:00:50,865 INFO L85 PathProgramCache]: Analyzing trace with hash 889571278, now seen corresponding path program 1 times [2021-12-15 17:00:50,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:00:50,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405059945] [2021-12-15 17:00:50,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:00:50,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:00:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:00:51,003 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:00:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:00:51,036 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:00:51,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:00:51,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1698155, now seen corresponding path program 1 times [2021-12-15 17:00:51,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:00:51,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25146070] [2021-12-15 17:00:51,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:00:51,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:00:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:00:51,051 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:00:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:00:51,061 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:00:51,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:00:51,063 INFO L85 PathProgramCache]: Analyzing trace with hash 707592888, now seen corresponding path program 1 times [2021-12-15 17:00:51,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:00:51,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366520337] [2021-12-15 17:00:51,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:00:51,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:00:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:00:51,092 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:00:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:00:51,117 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:00:52,101 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:00:52,102 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:00:52,102 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:00:52,102 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:00:52,103 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:00:52,103 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:52,103 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:00:52,103 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:00:52,104 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcpy.i_Iteration1_Lasso [2021-12-15 17:00:52,104 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:00:52,104 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:00:52,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:52,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:52,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:52,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:52,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:52,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:52,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:52,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:52,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:52,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:52,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:52,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:52,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:52,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:52,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:52,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:52,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:52,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:52,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:53,034 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:00:53,036 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:00:53,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:53,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:53,042 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:53,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-15 17:00:53,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:00:53,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:53,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:00:53,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:53,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:53,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:53,075 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:00:53,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:00:53,087 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:00:53,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-15 17:00:53,107 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:53,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:53,108 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:53,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:00:53,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:53,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:53,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:53,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:53,131 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:00:53,131 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:00:53,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-15 17:00:53,137 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:00:53,170 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-15 17:00:53,171 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:53,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:53,172 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:53,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-15 17:00:53,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:00:53,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:53,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:00:53,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:53,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:53,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:53,181 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:00:53,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:00:53,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:00:53,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-15 17:00:53,198 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:53,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:53,200 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:53,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-15 17:00:53,202 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:00:53,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:53,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:00:53,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:53,217 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-15 17:00:53,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:53,222 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-15 17:00:53,222 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:00:53,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:00:53,261 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-15 17:00:53,262 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:53,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:53,268 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:53,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-15 17:00:53,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:00:53,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:53,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:53,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:53,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:53,289 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:00:53,289 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:00:53,307 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:00:53,323 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 [2021-12-15 17:00:53,324 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:53,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:53,325 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:53,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-15 17:00:53,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:00:53,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:53,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:53,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:53,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:53,346 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:00:53,346 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:00:53,367 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:00:53,388 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-12-15 17:00:53,388 INFO L444 ModelExtractionUtils]: 19 out of 28 variables were initially zero. Simplification set additionally 6 variables to zero. [2021-12-15 17:00:53,389 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:53,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:53,404 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:53,450 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:00:53,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-15 17:00:53,477 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-15 17:00:53,478 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:00:53,478 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_1, ULTIMATE.start_strlcpy_~d~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_1 - 1*ULTIMATE.start_strlcpy_~d~0#1.offset Supporting invariants [] [2021-12-15 17:00:53,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-15 17:00:53,529 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2021-12-15 17:00:53,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:00:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:00:53,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-15 17:00:53,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:00:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:00:53,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-15 17:00:53,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:00:53,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:00:53,724 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-12-15 17:00:53,725 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 states have internal predecessors, (29), 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 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:00:53,827 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 states have internal predecessors, (29), 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 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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 49 states and 71 transitions. Complement of second has 8 states. [2021-12-15 17:00:53,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-15 17:00:53,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:00:53,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 52 transitions. [2021-12-15 17:00:53,836 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 6 letters. Loop has 4 letters. [2021-12-15 17:00:53,842 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:00:53,843 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 10 letters. Loop has 4 letters. [2021-12-15 17:00:53,843 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:00:53,844 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 6 letters. Loop has 8 letters. [2021-12-15 17:00:53,844 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:00:53,845 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 71 transitions. [2021-12-15 17:00:53,848 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-15 17:00:53,850 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 22 states and 28 transitions. [2021-12-15 17:00:53,850 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-12-15 17:00:53,851 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-12-15 17:00:53,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 28 transitions. [2021-12-15 17:00:53,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-15 17:00:53,851 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-12-15 17:00:53,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 28 transitions. [2021-12-15 17:00:53,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 17. [2021-12-15 17:00:53,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:00:53,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2021-12-15 17:00:53,871 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-12-15 17:00:53,871 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-12-15 17:00:53,871 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-15 17:00:53,872 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2021-12-15 17:00:53,872 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-15 17:00:53,872 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:00:53,872 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:00:53,873 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:00:53,873 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:00:53,873 INFO L791 eck$LassoCheckResult]: Stem: 186#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 187#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 196#L530 assume !(main_~in_len~0#1 < 1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 188#L534 assume !(main_~out_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;assume { :begin_inline_strlcpy } true;strlcpy_#in~dst#1.base, strlcpy_#in~dst#1.offset, strlcpy_#in~src#1.base, strlcpy_#in~src#1.offset, strlcpy_#in~siz#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset, main_~out_len~0#1;havoc strlcpy_#res#1;havoc strlcpy_#t~pre2#1, strlcpy_#t~short3#1, strlcpy_#t~post5#1.base, strlcpy_#t~post5#1.offset, strlcpy_#t~post6#1.base, strlcpy_#t~post6#1.offset, strlcpy_#t~mem7#1, strlcpy_#t~pre4#1, strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset, strlcpy_#t~mem9#1, strlcpy_~dst#1.base, strlcpy_~dst#1.offset, strlcpy_~src#1.base, strlcpy_~src#1.offset, strlcpy_~siz#1, strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset, strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset, strlcpy_~n~0#1;strlcpy_~dst#1.base, strlcpy_~dst#1.offset := strlcpy_#in~dst#1.base, strlcpy_#in~dst#1.offset;strlcpy_~src#1.base, strlcpy_~src#1.offset := strlcpy_#in~src#1.base, strlcpy_#in~src#1.offset;strlcpy_~siz#1 := strlcpy_#in~siz#1;strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset := strlcpy_~dst#1.base, strlcpy_~dst#1.offset;strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset := strlcpy_~src#1.base, strlcpy_~src#1.offset;strlcpy_~n~0#1 := strlcpy_~siz#1;strlcpy_#t~short3#1 := 0 != strlcpy_~n~0#1 % 18446744073709551616; 189#L514 assume strlcpy_#t~short3#1;strlcpy_#t~pre2#1 := strlcpy_~n~0#1 - 1;strlcpy_~n~0#1 := strlcpy_~n~0#1 - 1;strlcpy_#t~short3#1 := 0 != strlcpy_#t~pre2#1 % 18446744073709551616; 202#L514-2 assume !strlcpy_#t~short3#1;havoc strlcpy_#t~pre2#1;havoc strlcpy_#t~short3#1; 194#L514-3 assume 0 == strlcpy_~n~0#1 % 18446744073709551616; 199#L521 assume !(0 != strlcpy_~siz#1 % 18446744073709551616); 200#L523-2 [2021-12-15 17:00:53,873 INFO L793 eck$LassoCheckResult]: Loop: 200#L523-2 strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset := strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset;strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset := strlcpy_#t~post8#1.base, 1 + strlcpy_#t~post8#1.offset;call strlcpy_#t~mem9#1 := read~int(strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset, 1); 201#L523 assume !!(0 != strlcpy_#t~mem9#1);havoc strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset;havoc strlcpy_#t~mem9#1; 200#L523-2 [2021-12-15 17:00:53,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:00:53,874 INFO L85 PathProgramCache]: Analyzing trace with hash 179527912, now seen corresponding path program 1 times [2021-12-15 17:00:53,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:00:53,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26651206] [2021-12-15 17:00:53,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:00:53,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:00:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:00:53,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:00:53,936 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:00:53,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26651206] [2021-12-15 17:00:53,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26651206] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:00:53,937 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:00:53,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 17:00:53,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048192158] [2021-12-15 17:00:53,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:00:53,939 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-15 17:00:53,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:00:53,940 INFO L85 PathProgramCache]: Analyzing trace with hash 2758, now seen corresponding path program 1 times [2021-12-15 17:00:53,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:00:53,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638645162] [2021-12-15 17:00:53,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:00:53,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:00:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:00:53,945 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:00:53,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:00:53,947 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:00:53,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:00:53,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 17:00:53,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-15 17:00:53,978 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. cyclomatic complexity: 7 Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:00:54,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:00:54,016 INFO L93 Difference]: Finished difference Result 30 states and 38 transitions. [2021-12-15 17:00:54,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-15 17:00:54,017 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 38 transitions. [2021-12-15 17:00:54,018 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-12-15 17:00:54,018 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 30 states and 38 transitions. [2021-12-15 17:00:54,018 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-12-15 17:00:54,019 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-12-15 17:00:54,019 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 38 transitions. [2021-12-15 17:00:54,019 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-15 17:00:54,019 INFO L681 BuchiCegarLoop]: Abstraction has 30 states and 38 transitions. [2021-12-15 17:00:54,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 38 transitions. [2021-12-15 17:00:54,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 20. [2021-12-15 17:00:54,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:00:54,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2021-12-15 17:00:54,021 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-12-15 17:00:54,021 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-12-15 17:00:54,021 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-15 17:00:54,021 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2021-12-15 17:00:54,022 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-15 17:00:54,022 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:00:54,022 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:00:54,023 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:00:54,023 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:00:54,023 INFO L791 eck$LassoCheckResult]: Stem: 242#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 243#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 252#L530 assume !(main_~in_len~0#1 < 1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 244#L534 assume !(main_~out_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;assume { :begin_inline_strlcpy } true;strlcpy_#in~dst#1.base, strlcpy_#in~dst#1.offset, strlcpy_#in~src#1.base, strlcpy_#in~src#1.offset, strlcpy_#in~siz#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset, main_~out_len~0#1;havoc strlcpy_#res#1;havoc strlcpy_#t~pre2#1, strlcpy_#t~short3#1, strlcpy_#t~post5#1.base, strlcpy_#t~post5#1.offset, strlcpy_#t~post6#1.base, strlcpy_#t~post6#1.offset, strlcpy_#t~mem7#1, strlcpy_#t~pre4#1, strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset, strlcpy_#t~mem9#1, strlcpy_~dst#1.base, strlcpy_~dst#1.offset, strlcpy_~src#1.base, strlcpy_~src#1.offset, strlcpy_~siz#1, strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset, strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset, strlcpy_~n~0#1;strlcpy_~dst#1.base, strlcpy_~dst#1.offset := strlcpy_#in~dst#1.base, strlcpy_#in~dst#1.offset;strlcpy_~src#1.base, strlcpy_~src#1.offset := strlcpy_#in~src#1.base, strlcpy_#in~src#1.offset;strlcpy_~siz#1 := strlcpy_#in~siz#1;strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset := strlcpy_~dst#1.base, strlcpy_~dst#1.offset;strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset := strlcpy_~src#1.base, strlcpy_~src#1.offset;strlcpy_~n~0#1 := strlcpy_~siz#1;strlcpy_#t~short3#1 := 0 != strlcpy_~n~0#1 % 18446744073709551616; 245#L514 assume !strlcpy_#t~short3#1; 258#L514-2 assume !strlcpy_#t~short3#1;havoc strlcpy_#t~pre2#1;havoc strlcpy_#t~short3#1; 261#L514-3 assume 0 == strlcpy_~n~0#1 % 18446744073709551616; 260#L521 assume !(0 != strlcpy_~siz#1 % 18446744073709551616); 256#L523-2 [2021-12-15 17:00:54,024 INFO L793 eck$LassoCheckResult]: Loop: 256#L523-2 strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset := strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset;strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset := strlcpy_#t~post8#1.base, 1 + strlcpy_#t~post8#1.offset;call strlcpy_#t~mem9#1 := read~int(strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset, 1); 257#L523 assume !!(0 != strlcpy_#t~mem9#1);havoc strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset;havoc strlcpy_#t~mem9#1; 256#L523-2 [2021-12-15 17:00:54,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:00:54,024 INFO L85 PathProgramCache]: Analyzing trace with hash 179587494, now seen corresponding path program 1 times [2021-12-15 17:00:54,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:00:54,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394203381] [2021-12-15 17:00:54,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:00:54,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:00:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:00:54,035 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:00:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:00:54,045 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:00:54,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:00:54,046 INFO L85 PathProgramCache]: Analyzing trace with hash 2758, now seen corresponding path program 2 times [2021-12-15 17:00:54,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:00:54,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308320134] [2021-12-15 17:00:54,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:00:54,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:00:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:00:54,049 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:00:54,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:00:54,052 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:00:54,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:00:54,052 INFO L85 PathProgramCache]: Analyzing trace with hash 784891691, now seen corresponding path program 1 times [2021-12-15 17:00:54,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:00:54,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036260837] [2021-12-15 17:00:54,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:00:54,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:00:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:00:54,064 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:00:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:00:54,076 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:00:54,227 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-15 17:00:54,565 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:00:54,566 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:00:54,566 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:00:54,566 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:00:54,566 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:00:54,566 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:54,566 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:00:54,566 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:00:54,566 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcpy.i_Iteration3_Lasso [2021-12-15 17:00:54,566 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:00:54,566 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:00:54,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:54,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:54,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:54,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:54,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:54,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:54,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:54,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:54,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:54,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:54,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:54,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:54,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:54,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:54,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:54,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:54,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:54,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:54,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:54,977 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:00:54,977 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:00:54,977 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:54,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:54,980 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:54,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-15 17:00:55,005 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:00:55,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:55,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:00:55,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:55,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:55,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:55,014 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:00:55,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:00:55,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:00:55,059 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-15 17:00:55,060 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:55,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:55,064 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:55,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-15 17:00:55,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:00:55,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:55,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:00:55,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:55,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:55,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:55,079 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:00:55,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:00:55,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:00:55,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-15 17:00:55,115 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:55,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:55,116 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:55,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:00:55,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:55,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:55,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:55,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:55,130 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:00:55,130 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:00:55,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-15 17:00:55,141 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:00:55,173 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 [2021-12-15 17:00:55,174 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:55,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:55,175 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:55,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-15 17:00:55,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:00:55,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:55,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:00:55,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:55,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:55,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:55,184 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:00:55,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:00:55,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:00:55,217 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 [2021-12-15 17:00:55,217 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:55,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:55,218 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:55,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-15 17:00:55,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:00:55,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:55,226 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:00:55,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:55,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:55,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:55,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:00:55,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:00:55,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:00:55,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-15 17:00:55,259 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:55,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:55,260 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:55,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-15 17:00:55,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:00:55,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:55,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:00:55,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:55,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:55,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:55,269 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:00:55,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:00:55,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:00:55,305 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-15 17:00:55,306 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:55,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:55,307 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:55,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-15 17:00:55,309 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:00:55,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:55,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:00:55,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:55,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:55,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:55,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:00:55,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:00:55,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:00:55,348 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-15 17:00:55,349 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:55,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:55,350 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:55,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-15 17:00:55,352 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:00:55,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:55,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:55,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:55,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:55,375 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:00:55,375 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:00:55,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:00:55,423 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 [2021-12-15 17:00:55,423 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:55,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:55,424 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) [2021-12-15 17:00:55,425 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 [2021-12-15 17:00:55,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:00:55,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:55,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:00:55,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:55,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:55,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:55,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:00:55,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:00:55,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:00:55,472 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 [2021-12-15 17:00:55,473 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:55,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:55,474 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) [2021-12-15 17:00:55,475 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 [2021-12-15 17:00:55,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:00:55,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:55,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:00:55,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:55,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:55,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:55,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:00:55,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:00:55,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:00:55,545 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 [2021-12-15 17:00:55,545 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:55,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:55,546 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) [2021-12-15 17:00:55,547 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 [2021-12-15 17:00:55,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:00:55,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:55,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:00:55,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:55,555 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-15 17:00:55,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:55,556 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-15 17:00:55,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:00:55,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:00:55,583 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-12-15 17:00:55,583 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:55,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:55,584 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) [2021-12-15 17:00:55,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:00:55,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:55,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:55,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:55,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:55,613 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:00:55,613 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:00:55,627 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 [2021-12-15 17:00:55,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:00:55,648 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 [2021-12-15 17:00:55,648 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:55,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:55,649 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:55,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:00:55,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:55,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:55,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:55,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:55,663 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:00:55,663 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:00:55,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-15 17:00:55,674 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:00:55,699 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-15 17:00:55,700 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:55,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:55,701 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:55,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-15 17:00:55,703 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:00:55,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:55,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:55,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:55,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:55,717 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:00:55,717 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:00:55,732 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:00:55,748 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-12-15 17:00:55,749 INFO L444 ModelExtractionUtils]: 26 out of 37 variables were initially zero. Simplification set additionally 8 variables to zero. [2021-12-15 17:00:55,749 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:55,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:55,750 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:55,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-15 17:00:55,752 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:00:55,773 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-15 17:00:55,773 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:00:55,773 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_2, ULTIMATE.start_strlcpy_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_2 - 1*ULTIMATE.start_strlcpy_~s~0#1.offset Supporting invariants [] [2021-12-15 17:00:55,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-15 17:00:55,810 INFO L297 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2021-12-15 17:00:55,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:00:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:00:55,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-15 17:00:55,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:00:55,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:00:55,877 WARN L261 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-15 17:00:55,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:00:55,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:00:55,900 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-15 17:00:55,900 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:00:55,923 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 30 transitions. Complement of second has 5 states. [2021-12-15 17:00:55,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-15 17:00:55,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:00:55,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2021-12-15 17:00:55,925 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 8 letters. Loop has 2 letters. [2021-12-15 17:00:55,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:00:55,925 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 10 letters. Loop has 2 letters. [2021-12-15 17:00:55,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:00:55,925 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 8 letters. Loop has 4 letters. [2021-12-15 17:00:55,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:00:55,926 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2021-12-15 17:00:55,927 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-15 17:00:55,927 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 20 states and 25 transitions. [2021-12-15 17:00:55,927 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-12-15 17:00:55,927 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-12-15 17:00:55,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2021-12-15 17:00:55,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-15 17:00:55,927 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-12-15 17:00:55,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2021-12-15 17:00:55,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2021-12-15 17:00:55,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:00:55,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2021-12-15 17:00:55,929 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-12-15 17:00:55,929 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-12-15 17:00:55,929 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-15 17:00:55,929 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2021-12-15 17:00:55,930 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-15 17:00:55,930 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:00:55,930 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:00:55,930 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:00:55,930 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:00:55,931 INFO L791 eck$LassoCheckResult]: Stem: 371#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 372#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 381#L530 assume !(main_~in_len~0#1 < 1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 377#L534 assume !(main_~out_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;assume { :begin_inline_strlcpy } true;strlcpy_#in~dst#1.base, strlcpy_#in~dst#1.offset, strlcpy_#in~src#1.base, strlcpy_#in~src#1.offset, strlcpy_#in~siz#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset, main_~out_len~0#1;havoc strlcpy_#res#1;havoc strlcpy_#t~pre2#1, strlcpy_#t~short3#1, strlcpy_#t~post5#1.base, strlcpy_#t~post5#1.offset, strlcpy_#t~post6#1.base, strlcpy_#t~post6#1.offset, strlcpy_#t~mem7#1, strlcpy_#t~pre4#1, strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset, strlcpy_#t~mem9#1, strlcpy_~dst#1.base, strlcpy_~dst#1.offset, strlcpy_~src#1.base, strlcpy_~src#1.offset, strlcpy_~siz#1, strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset, strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset, strlcpy_~n~0#1;strlcpy_~dst#1.base, strlcpy_~dst#1.offset := strlcpy_#in~dst#1.base, strlcpy_#in~dst#1.offset;strlcpy_~src#1.base, strlcpy_~src#1.offset := strlcpy_#in~src#1.base, strlcpy_#in~src#1.offset;strlcpy_~siz#1 := strlcpy_#in~siz#1;strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset := strlcpy_~dst#1.base, strlcpy_~dst#1.offset;strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset := strlcpy_~src#1.base, strlcpy_~src#1.offset;strlcpy_~n~0#1 := strlcpy_~siz#1;strlcpy_#t~short3#1 := 0 != strlcpy_~n~0#1 % 18446744073709551616; 378#L514 assume strlcpy_#t~short3#1;strlcpy_#t~pre2#1 := strlcpy_~n~0#1 - 1;strlcpy_~n~0#1 := strlcpy_~n~0#1 - 1;strlcpy_#t~short3#1 := 0 != strlcpy_#t~pre2#1 % 18446744073709551616; 387#L514-2 assume !strlcpy_#t~short3#1;havoc strlcpy_#t~pre2#1;havoc strlcpy_#t~short3#1; 379#L514-3 assume 0 == strlcpy_~n~0#1 % 18446744073709551616; 384#L521 assume 0 != strlcpy_~siz#1 % 18446744073709551616;call write~int(0, strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset, 1); 385#L523-2 [2021-12-15 17:00:55,931 INFO L793 eck$LassoCheckResult]: Loop: 385#L523-2 strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset := strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset;strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset := strlcpy_#t~post8#1.base, 1 + strlcpy_#t~post8#1.offset;call strlcpy_#t~mem9#1 := read~int(strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset, 1); 386#L523 assume !!(0 != strlcpy_#t~mem9#1);havoc strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset;havoc strlcpy_#t~mem9#1; 385#L523-2 [2021-12-15 17:00:55,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:00:55,931 INFO L85 PathProgramCache]: Analyzing trace with hash 179527910, now seen corresponding path program 1 times [2021-12-15 17:00:55,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:00:55,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888480470] [2021-12-15 17:00:55,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:00:55,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:00:55,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:00:55,944 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:00:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:00:55,986 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:00:55,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:00:55,987 INFO L85 PathProgramCache]: Analyzing trace with hash 2758, now seen corresponding path program 3 times [2021-12-15 17:00:55,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:00:55,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061962196] [2021-12-15 17:00:55,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:00:55,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:00:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:00:55,990 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:00:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:00:55,992 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:00:55,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:00:55,992 INFO L85 PathProgramCache]: Analyzing trace with hash 727631467, now seen corresponding path program 1 times [2021-12-15 17:00:55,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:00:55,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14490690] [2021-12-15 17:00:55,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:00:55,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:00:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:00:56,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-12-15 17:00:56,012 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:00:56,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:00:56,034 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:00:56,719 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:00:56,719 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:00:56,720 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:00:56,720 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:00:56,720 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:00:56,720 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:56,720 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:00:56,720 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:00:56,720 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcpy.i_Iteration4_Lasso [2021-12-15 17:00:56,720 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:00:56,720 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:00:56,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:56,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:56,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:56,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:56,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:56,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:56,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:56,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:56,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:56,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:56,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:56,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:56,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:56,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:56,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:56,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:56,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:56,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:56,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:56,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:00:57,267 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:00:57,267 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:00:57,267 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:57,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:57,292 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:57,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-15 17:00:57,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:00:57,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:57,299 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:00:57,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:57,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:57,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:57,300 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:00:57,300 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:00:57,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:00:57,332 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-12-15 17:00:57,333 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:57,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:57,334 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:57,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-15 17:00:57,336 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:00:57,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:57,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:57,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:57,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:57,343 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:00:57,343 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:00:57,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:00:57,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-12-15 17:00:57,363 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:57,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:57,364 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:57,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-15 17:00:57,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:00:57,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:57,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:00:57,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:57,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:57,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:57,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:00:57,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:00:57,373 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:00:57,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-15 17:00:57,389 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:57,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:57,389 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:57,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-15 17:00:57,391 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:00:57,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:57,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:00:57,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:57,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:57,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:57,397 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:00:57,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:00:57,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:00:57,413 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-15 17:00:57,414 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:57,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:57,415 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:57,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-15 17:00:57,418 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 [2021-12-15 17:00:57,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:57,424 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:00:57,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:57,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:57,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:57,424 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:00:57,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:00:57,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:00:57,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-12-15 17:00:57,466 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:57,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:57,467 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:57,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-15 17:00:57,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:00:57,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:57,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:00:57,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:57,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:57,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:57,475 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:00:57,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:00:57,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:00:57,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-12-15 17:00:57,505 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:57,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:57,506 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:57,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-15 17:00:57,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:00:57,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:57,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:00:57,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:57,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:57,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:57,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:00:57,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:00:57,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:00:57,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-12-15 17:00:57,538 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:57,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:57,538 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:57,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:00:57,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:57,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:00:57,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:57,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:57,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:57,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:00:57,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:00:57,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-15 17:00:57,561 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:00:57,576 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-12-15 17:00:57,576 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:57,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:57,577 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:57,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-15 17:00:57,579 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 [2021-12-15 17:00:57,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:57,584 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:00:57,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:57,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:57,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:57,584 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:00:57,584 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:00:57,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:00:57,605 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-15 17:00:57,606 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:57,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:57,607 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:57,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-15 17:00:57,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:00:57,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:57,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:57,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:57,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:57,624 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:00:57,624 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:00:57,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:00:57,641 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-15 17:00:57,641 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:57,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:57,642 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:57,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-15 17:00:57,644 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:00:57,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:57,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:00:57,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:57,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:57,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:57,650 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:00:57,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:00:57,651 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:00:57,668 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-12-15 17:00:57,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:57,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:57,669 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:57,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-15 17:00:57,672 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 [2021-12-15 17:00:57,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:57,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:57,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:57,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:57,678 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:00:57,678 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:00:57,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:00:57,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-12-15 17:00:57,710 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:57,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:57,711 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:57,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-15 17:00:57,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:00:57,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:57,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:00:57,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:57,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:57,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:57,719 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:00:57,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:00:57,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:00:57,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-12-15 17:00:57,737 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:57,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:57,738 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:57,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-15 17:00:57,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:00:57,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:57,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:00:57,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:57,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:57,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:57,769 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:00:57,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:00:57,787 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:00:57,802 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-12-15 17:00:57,803 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:57,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:57,804 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:57,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-15 17:00:57,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:00:57,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:57,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:57,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:57,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:57,814 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:00:57,814 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:00:57,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:00:57,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-12-15 17:00:57,857 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:57,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:57,858 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:57,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-15 17:00:57,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:00:57,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:00:57,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:00:57,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:00:57,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:00:57,890 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:00:57,891 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:00:57,907 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:00:57,925 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-12-15 17:00:57,925 INFO L444 ModelExtractionUtils]: 37 out of 52 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-12-15 17:00:57,926 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:00:57,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:00:57,936 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:00:57,963 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:00:57,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-15 17:00:57,988 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-15 17:00:57,988 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:00:57,988 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_strlcpy_~s~0#1.base)_3, ULTIMATE.start_strlcpy_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_strlcpy_~s~0#1.base)_3 - 1*ULTIMATE.start_strlcpy_~s~0#1.offset Supporting invariants [] [2021-12-15 17:00:58,004 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-12-15 17:00:58,027 INFO L297 tatePredicateManager]: 13 out of 13 supporting invariants were superfluous and have been removed [2021-12-15 17:00:58,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:00:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:00:58,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 17:00:58,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:00:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:00:58,084 WARN L261 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-15 17:00:58,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:00:58,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:00:58,101 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 [2021-12-15 17:00:58,102 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:00:58,112 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 19 states and 23 transitions. Complement of second has 4 states. [2021-12-15 17:00:58,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-15 17:00:58,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:00:58,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2021-12-15 17:00:58,114 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 8 letters. Loop has 2 letters. [2021-12-15 17:00:58,114 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:00:58,114 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 10 letters. Loop has 2 letters. [2021-12-15 17:00:58,114 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:00:58,114 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 8 letters. Loop has 4 letters. [2021-12-15 17:00:58,114 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:00:58,115 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 23 transitions. [2021-12-15 17:00:58,115 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-15 17:00:58,115 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2021-12-15 17:00:58,115 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-15 17:00:58,115 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-15 17:00:58,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-15 17:00:58,116 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:00:58,116 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 17:00:58,116 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 17:00:58,116 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 17:00:58,116 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-15 17:00:58,116 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-15 17:00:58,116 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-15 17:00:58,116 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-15 17:00:58,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.12 05:00:58 BoogieIcfgContainer [2021-12-15 17:00:58,128 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-15 17:00:58,129 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 17:00:58,129 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 17:00:58,129 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 17:00:58,131 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:00:50" (3/4) ... [2021-12-15 17:00:58,133 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-15 17:00:58,133 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 17:00:58,133 INFO L158 Benchmark]: Toolchain (without parser) took 8206.87ms. Allocated memory was 104.9MB in the beginning and 151.0MB in the end (delta: 46.1MB). Free memory was 72.8MB in the beginning and 94.9MB in the end (delta: -22.1MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2021-12-15 17:00:58,133 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 86.0MB. Free memory was 43.1MB in the beginning and 43.1MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:00:58,134 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.33ms. Allocated memory is still 104.9MB. Free memory was 72.8MB in the beginning and 76.1MB in the end (delta: -3.2MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2021-12-15 17:00:58,134 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.27ms. Allocated memory is still 104.9MB. Free memory was 75.5MB in the beginning and 74.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:00:58,135 INFO L158 Benchmark]: Boogie Preprocessor took 18.99ms. Allocated memory is still 104.9MB. Free memory was 74.0MB in the beginning and 72.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:00:58,135 INFO L158 Benchmark]: RCFGBuilder took 388.90ms. Allocated memory is still 104.9MB. Free memory was 72.5MB in the beginning and 61.4MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 17:00:58,136 INFO L158 Benchmark]: BuchiAutomizer took 7414.54ms. Allocated memory was 104.9MB in the beginning and 151.0MB in the end (delta: 46.1MB). Free memory was 60.8MB in the beginning and 94.9MB in the end (delta: -34.1MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2021-12-15 17:00:58,136 INFO L158 Benchmark]: Witness Printer took 4.03ms. Allocated memory is still 151.0MB. Free memory is still 94.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:00:58,137 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 86.0MB. Free memory was 43.1MB in the beginning and 43.1MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.33ms. Allocated memory is still 104.9MB. Free memory was 72.8MB in the beginning and 76.1MB in the end (delta: -3.2MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.27ms. Allocated memory is still 104.9MB. Free memory was 75.5MB in the beginning and 74.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.99ms. Allocated memory is still 104.9MB. Free memory was 74.0MB in the beginning and 72.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 388.90ms. Allocated memory is still 104.9MB. Free memory was 72.5MB in the beginning and 61.4MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 7414.54ms. Allocated memory was 104.9MB in the beginning and 151.0MB in the end (delta: 46.1MB). Free memory was 60.8MB in the beginning and 94.9MB in the end (delta: -34.1MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * Witness Printer took 4.03ms. Allocated memory is still 151.0MB. Free memory is still 94.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (in_len)] + -1 * d and consists of 6 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (out_len)] + -1 * s and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[s] + -1 * s and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.3s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 6.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 18 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 20 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 122 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 121 mSDsluCounter, 121 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 39 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46 IncrementalHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 82 mSDtfsCounter, 46 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital205 mio100 ax100 hnf100 lsp96 ukn90 mio100 lsp42 div181 bol100 ite100 ukn100 eq173 hnf68 smp93 dnf100 smp100 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms 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! [2021-12-15 17:00:58,160 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-12-15 17:00:58,377 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE