./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 35987657 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-?-3598765 [2022-07-22 01:35:27,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 01:35:27,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 01:35:27,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 01:35:27,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 01:35:27,243 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 01:35:27,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 01:35:27,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 01:35:27,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 01:35:27,252 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 01:35:27,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 01:35:27,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 01:35:27,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 01:35:27,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 01:35:27,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 01:35:27,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 01:35:27,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 01:35:27,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 01:35:27,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 01:35:27,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 01:35:27,268 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 01:35:27,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 01:35:27,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 01:35:27,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 01:35:27,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 01:35:27,276 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 01:35:27,277 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 01:35:27,277 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 01:35:27,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 01:35:27,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 01:35:27,278 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 01:35:27,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 01:35:27,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 01:35:27,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 01:35:27,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 01:35:27,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 01:35:27,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 01:35:27,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 01:35:27,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 01:35:27,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 01:35:27,283 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 01:35:27,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 01:35:27,288 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-22 01:35:27,320 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 01:35:27,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 01:35:27,321 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 01:35:27,321 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 01:35:27,323 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 01:35:27,323 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 01:35:27,323 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 01:35:27,323 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 01:35:27,323 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 01:35:27,324 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 01:35:27,324 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 01:35:27,324 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 01:35:27,324 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 01:35:27,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 01:35:27,325 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 01:35:27,325 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 01:35:27,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 01:35:27,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 01:35:27,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 01:35:27,325 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 01:35:27,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 01:35:27,326 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 01:35:27,326 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 01:35:27,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 01:35:27,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 01:35:27,326 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 01:35:27,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 01:35:27,326 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 01:35:27,328 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 01:35:27,328 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2292e98244edafad4d7dc9607780b552ab07213ed34494d4f4d17ad8279c4d0 [2022-07-22 01:35:27,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 01:35:27,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 01:35:27,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 01:35:27,642 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 01:35:27,655 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 01:35:27,656 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-dietlibc/strlcpy.i [2022-07-22 01:35:27,698 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30203cdf2/418dc93f5f874fedb01d531095078f1b/FLAG96f4700d7 [2022-07-22 01:35:28,102 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 01:35:28,104 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-dietlibc/strlcpy.i [2022-07-22 01:35:28,116 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30203cdf2/418dc93f5f874fedb01d531095078f1b/FLAG96f4700d7 [2022-07-22 01:35:28,472 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30203cdf2/418dc93f5f874fedb01d531095078f1b [2022-07-22 01:35:28,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 01:35:28,476 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 01:35:28,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 01:35:28,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 01:35:28,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 01:35:28,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:35:28" (1/1) ... [2022-07-22 01:35:28,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f45ed2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:35:28, skipping insertion in model container [2022-07-22 01:35:28,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:35:28" (1/1) ... [2022-07-22 01:35:28,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 01:35:28,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 01:35:28,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 01:35:28,742 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 01:35:28,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 01:35:28,813 INFO L208 MainTranslator]: Completed translation [2022-07-22 01:35:28,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:35:28 WrapperNode [2022-07-22 01:35:28,814 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 01:35:28,815 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 01:35:28,815 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 01:35:28,815 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 01:35:28,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:35:28" (1/1) ... [2022-07-22 01:35:28,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:35:28" (1/1) ... [2022-07-22 01:35:28,853 INFO L137 Inliner]: procedures = 113, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2022-07-22 01:35:28,853 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 01:35:28,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 01:35:28,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 01:35:28,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 01:35:28,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:35:28" (1/1) ... [2022-07-22 01:35:28,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:35:28" (1/1) ... [2022-07-22 01:35:28,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:35:28" (1/1) ... [2022-07-22 01:35:28,877 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:35:28" (1/1) ... [2022-07-22 01:35:28,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:35:28" (1/1) ... [2022-07-22 01:35:28,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:35:28" (1/1) ... [2022-07-22 01:35:28,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:35:28" (1/1) ... [2022-07-22 01:35:28,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 01:35:28,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 01:35:28,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 01:35:28,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 01:35:28,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:35:28" (1/1) ... [2022-07-22 01:35:28,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:35:28,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:35:28,919 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:35:28,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-22 01:35:28,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 01:35:28,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 01:35:28,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 01:35:28,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 01:35:28,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 01:35:28,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 01:35:28,995 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 01:35:28,996 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 01:35:29,105 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 01:35:29,115 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 01:35:29,116 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 01:35:29,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:35:29 BoogieIcfgContainer [2022-07-22 01:35:29,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 01:35:29,118 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 01:35:29,118 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 01:35:29,120 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 01:35:29,120 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 01:35:29,120 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 01:35:28" (1/3) ... [2022-07-22 01:35:29,121 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b32993b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 01:35:29, skipping insertion in model container [2022-07-22 01:35:29,121 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 01:35:29,121 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:35:28" (2/3) ... [2022-07-22 01:35:29,121 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b32993b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 01:35:29, skipping insertion in model container [2022-07-22 01:35:29,121 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 01:35:29,121 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:35:29" (3/3) ... [2022-07-22 01:35:29,122 INFO L354 chiAutomizerObserver]: Analyzing ICFG strlcpy.i [2022-07-22 01:35:29,157 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 01:35:29,157 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 01:35:29,157 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 01:35:29,157 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 01:35:29,158 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 01:35:29,158 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 01:35:29,158 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 01:35:29,158 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 01:35:29,161 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) [2022-07-22 01:35:29,178 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-07-22 01:35:29,178 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:35:29,179 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:35:29,182 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-07-22 01:35:29,182 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-22 01:35:29,182 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 01:35:29,182 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) [2022-07-22 01:35:29,184 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-07-22 01:35:29,184 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:35:29,184 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:35:29,185 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-07-22 01:35:29,185 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-22 01:35:29,189 INFO L752 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#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; 10#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; 4#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; 15#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; 20#L514-2true assume strlcpy_#t~short3#1;havoc strlcpy_#t~pre2#1;havoc strlcpy_#t~short3#1; 8#L515-4true [2022-07-22 01:35:29,189 INFO L754 eck$LassoCheckResult]: Loop: 8#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); 17#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; 5#L515-1true strlcpy_#t~pre4#1 := strlcpy_~n~0#1 - 1;strlcpy_~n~0#1 := strlcpy_~n~0#1 - 1; 6#L515-2true assume !!(0 != strlcpy_#t~pre4#1 % 18446744073709551616);havoc strlcpy_#t~pre4#1; 8#L515-4true [2022-07-22 01:35:29,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:35:29,193 INFO L85 PathProgramCache]: Analyzing trace with hash 889571278, now seen corresponding path program 1 times [2022-07-22 01:35:29,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:35:29,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738450771] [2022-07-22 01:35:29,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:35:29,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:35:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:35:29,318 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:35:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:35:29,386 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:35:29,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:35:29,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1698155, now seen corresponding path program 1 times [2022-07-22 01:35:29,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:35:29,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524828308] [2022-07-22 01:35:29,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:35:29,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:35:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:35:29,414 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:35:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:35:29,435 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:35:29,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:35:29,440 INFO L85 PathProgramCache]: Analyzing trace with hash 707592888, now seen corresponding path program 1 times [2022-07-22 01:35:29,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:35:29,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595371563] [2022-07-22 01:35:29,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:35:29,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:35:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:35:29,493 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:35:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:35:29,519 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:35:30,337 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 01:35:30,337 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 01:35:30,338 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 01:35:30,338 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 01:35:30,338 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 01:35:30,338 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:35:30,338 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 01:35:30,338 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 01:35:30,339 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcpy.i_Iteration1_Lasso [2022-07-22 01:35:30,339 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 01:35:30,340 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 01:35:30,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:30,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:30,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:30,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:30,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:30,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:30,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:30,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:30,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:30,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:30,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:30,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:30,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:30,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:30,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:30,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:30,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:30,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:30,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:31,464 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 01:35:31,467 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 01:35:31,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:35:31,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:35:31,470 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:35:31,476 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 [2022-07-22 01:35:31,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:35:31,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:35:31,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:35:31,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:35:31,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:35:31,485 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:35:31,485 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:35:31,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:35:31,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-22 01:35:31,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-22 01:35:31,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:35:31,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:35:31,532 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:35:31,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-22 01:35:31,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:35:31,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:35:31,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:35:31,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:35:31,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:35:31,555 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:35:31,555 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:35:31,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:35:31,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-22 01:35:31,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:35:31,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:35:31,594 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:35:31,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-22 01:35:31,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:35:31,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:35:31,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:35:31,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:35:31,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:35:31,603 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:35:31,603 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:35:31,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:35:31,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:35:31,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-22 01:35:31,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:35:31,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:35:31,639 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:35:31,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:35:31,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:35:31,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:35:31,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:35:31,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:35:31,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-22 01:35:31,661 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:35:31,661 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:35:31,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:35:31,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-22 01:35:31,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:35:31,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:35:31,702 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:35:31,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-22 01:35:31,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:35:31,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:35:31,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:35:31,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:35:31,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:35:31,719 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:35:31,719 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:35:31,738 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 01:35:31,764 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-07-22 01:35:31,764 INFO L444 ModelExtractionUtils]: 16 out of 28 variables were initially zero. Simplification set additionally 9 variables to zero. [2022-07-22 01:35:31,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:35:31,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:35:31,778 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:35:31,824 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 01:35:31,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-22 01:35:31,836 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-22 01:35:31,837 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 01:35:31,837 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 [] [2022-07-22 01:35:31,855 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-07-22 01:35:31,907 INFO L293 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2022-07-22 01:35:31,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:35:31,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:35:31,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-22 01:35:31,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:35:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:35:32,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-22 01:35:32,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:35:32,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:35:32,078 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 [2022-07-22 01:35:32,089 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) [2022-07-22 01:35:32,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-22 01:35:32,167 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. [2022-07-22 01:35:32,176 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 [2022-07-22 01:35:32,180 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) [2022-07-22 01:35:32,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 52 transitions. [2022-07-22 01:35:32,185 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 6 letters. Loop has 4 letters. [2022-07-22 01:35:32,188 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:35:32,188 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 10 letters. Loop has 4 letters. [2022-07-22 01:35:32,188 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:35:32,189 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 6 letters. Loop has 8 letters. [2022-07-22 01:35:32,189 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:35:32,189 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 71 transitions. [2022-07-22 01:35:32,194 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-07-22 01:35:32,197 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 22 states and 28 transitions. [2022-07-22 01:35:32,198 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-07-22 01:35:32,198 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-07-22 01:35:32,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 28 transitions. [2022-07-22 01:35:32,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 01:35:32,199 INFO L369 hiAutomatonCegarLoop]: Abstraction has 22 states and 28 transitions. [2022-07-22 01:35:32,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 28 transitions. [2022-07-22 01:35:32,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 17. [2022-07-22 01:35:32,214 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) [2022-07-22 01:35:32,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2022-07-22 01:35:32,216 INFO L392 hiAutomatonCegarLoop]: Abstraction has 17 states and 22 transitions. [2022-07-22 01:35:32,216 INFO L374 stractBuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2022-07-22 01:35:32,216 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 01:35:32,216 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2022-07-22 01:35:32,218 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-22 01:35:32,218 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:35:32,218 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:35:32,218 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 01:35:32,218 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 01:35:32,219 INFO L752 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 [2022-07-22 01:35:32,219 INFO L754 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 [2022-07-22 01:35:32,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:35:32,220 INFO L85 PathProgramCache]: Analyzing trace with hash 179527912, now seen corresponding path program 1 times [2022-07-22 01:35:32,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:35:32,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640776775] [2022-07-22 01:35:32,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:35:32,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:35:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:35:32,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:35:32,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 01:35:32,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640776775] [2022-07-22 01:35:32,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640776775] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 01:35:32,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 01:35:32,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 01:35:32,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479922271] [2022-07-22 01:35:32,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 01:35:32,289 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-22 01:35:32,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:35:32,290 INFO L85 PathProgramCache]: Analyzing trace with hash 2758, now seen corresponding path program 1 times [2022-07-22 01:35:32,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:35:32,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388563140] [2022-07-22 01:35:32,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:35:32,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:35:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:35:32,293 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:35:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:35:32,296 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:35:32,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 01:35:32,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 01:35:32,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 01:35:32,325 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) [2022-07-22 01:35:32,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 01:35:32,389 INFO L93 Difference]: Finished difference Result 29 states and 37 transitions. [2022-07-22 01:35:32,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 01:35:32,390 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 37 transitions. [2022-07-22 01:35:32,391 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-07-22 01:35:32,391 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 29 states and 37 transitions. [2022-07-22 01:35:32,391 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2022-07-22 01:35:32,391 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2022-07-22 01:35:32,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 37 transitions. [2022-07-22 01:35:32,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 01:35:32,392 INFO L369 hiAutomatonCegarLoop]: Abstraction has 29 states and 37 transitions. [2022-07-22 01:35:32,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 37 transitions. [2022-07-22 01:35:32,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 20. [2022-07-22 01:35:32,393 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) [2022-07-22 01:35:32,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2022-07-22 01:35:32,394 INFO L392 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-07-22 01:35:32,394 INFO L374 stractBuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-07-22 01:35:32,394 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-22 01:35:32,394 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2022-07-22 01:35:32,394 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-22 01:35:32,394 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:35:32,394 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:35:32,395 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 01:35:32,396 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 01:35:32,396 INFO L752 eck$LassoCheckResult]: Stem: 241#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 242#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; 251#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; 243#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; 244#L514 assume !strlcpy_#t~short3#1; 257#L514-2 assume !strlcpy_#t~short3#1;havoc strlcpy_#t~pre2#1;havoc strlcpy_#t~short3#1; 260#L514-3 assume 0 == strlcpy_~n~0#1 % 18446744073709551616; 259#L521 assume !(0 != strlcpy_~siz#1 % 18446744073709551616); 255#L523-2 [2022-07-22 01:35:32,396 INFO L754 eck$LassoCheckResult]: Loop: 255#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); 256#L523 assume !!(0 != strlcpy_#t~mem9#1);havoc strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset;havoc strlcpy_#t~mem9#1; 255#L523-2 [2022-07-22 01:35:32,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:35:32,396 INFO L85 PathProgramCache]: Analyzing trace with hash 179587494, now seen corresponding path program 1 times [2022-07-22 01:35:32,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:35:32,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988486945] [2022-07-22 01:35:32,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:35:32,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:35:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:35:32,406 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:35:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:35:32,414 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:35:32,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:35:32,415 INFO L85 PathProgramCache]: Analyzing trace with hash 2758, now seen corresponding path program 2 times [2022-07-22 01:35:32,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:35:32,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300958684] [2022-07-22 01:35:32,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:35:32,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:35:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:35:32,417 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:35:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:35:32,419 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:35:32,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:35:32,420 INFO L85 PathProgramCache]: Analyzing trace with hash 784891691, now seen corresponding path program 1 times [2022-07-22 01:35:32,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:35:32,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572756663] [2022-07-22 01:35:32,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:35:32,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:35:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:35:32,429 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:35:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:35:32,449 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:35:32,971 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 01:35:32,971 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 01:35:32,971 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 01:35:32,971 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 01:35:32,971 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 01:35:32,971 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:35:32,971 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 01:35:32,971 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 01:35:32,971 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcpy.i_Iteration3_Lasso [2022-07-22 01:35:32,971 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 01:35:32,971 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 01:35:32,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:32,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:32,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:32,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:32,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:32,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:32,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:32,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:32,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:32,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:32,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:33,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:33,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:33,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:33,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:33,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:33,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:33,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:33,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:33,611 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 01:35:33,611 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 01:35:33,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:35:33,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:35:33,628 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:35:33,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-22 01:35:33,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:35:33,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:35:33,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:35:33,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:35:33,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:35:33,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:35:33,636 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:35:33,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:35:33,652 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:35:33,680 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-22 01:35:33,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:35:33,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:35:33,696 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:35:33,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-22 01:35:33,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:35:33,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:35:33,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:35:33,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:35:33,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:35:33,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:35:33,706 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:35:33,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:35:33,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:35:33,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-22 01:35:33,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:35:33,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:35:33,738 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:35:33,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-22 01:35:33,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:35:33,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:35:33,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:35:33,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:35:33,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:35:33,749 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:35:33,749 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:35:33,765 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:35:33,780 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-22 01:35:33,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:35:33,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:35:33,781 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:35:33,786 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:35:33,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:35:33,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:35:33,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:35:33,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:35:33,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:35:33,792 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:35:33,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:35:33,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-22 01:35:33,804 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:35:33,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-22 01:35:33,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:35:33,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:35:33,822 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:35:33,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-22 01:35:33,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:35:33,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:35:33,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:35:33,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:35:33,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:35:33,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:35:33,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:35:33,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:35:33,851 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:35:33,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-22 01:35:33,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:35:33,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:35:33,868 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:35:33,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-22 01:35:33,896 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:35:33,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:35:33,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:35:33,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:35:33,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:35:33,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:35:33,902 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:35:33,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:35:33,921 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:35:33,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-07-22 01:35:33,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:35:33,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:35:33,949 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:35:33,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-22 01:35:33,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:35:33,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:35:33,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:35:33,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:35:33,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:35:33,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:35:33,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:35:33,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:35:33,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:35:33,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-22 01:35:33,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:35:33,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:35:33,991 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:35:33,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-07-22 01:35:33,993 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:35:33,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:35:33,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:35:33,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:35:33,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:35:34,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:35:34,000 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:35:34,002 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:35:34,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-07-22 01:35:34,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:35:34,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:35:34,018 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:35:34,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-07-22 01:35:34,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:35:34,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:35:34,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:35:34,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:35:34,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:35:34,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:35:34,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:35:34,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:35:34,055 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:35:34,074 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-07-22 01:35:34,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:35:34,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:35:34,075 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:35:34,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-07-22 01:35:34,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:35:34,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:35:34,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:35:34,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:35:34,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:35:34,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:35:34,083 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:35:34,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:35:34,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:35:34,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-07-22 01:35:34,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:35:34,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:35:34,100 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:35:34,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-07-22 01:35:34,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:35:34,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:35:34,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:35:34,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:35:34,107 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-07-22 01:35:34,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:35:34,108 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-22 01:35:34,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:35:34,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:35:34,125 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-07-22 01:35:34,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:35:34,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:35:34,127 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:35:34,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-07-22 01:35:34,129 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:35:34,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:35:34,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:35:34,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:35:34,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:35:34,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:35:34,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:35:34,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:35:34,169 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 [2022-07-22 01:35:34,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:35:34,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:35:34,170 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:35:34,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-07-22 01:35:34,174 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 [2022-07-22 01:35:34,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:35:34,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:35:34,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:35:34,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:35:34,181 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:35:34,181 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:35:34,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:35:34,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-07-22 01:35:34,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:35:34,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:35:34,205 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) [2022-07-22 01:35:34,219 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 [2022-07-22 01:35:34,220 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 [2022-07-22 01:35:34,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:35:34,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:35:34,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:35:34,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:35:34,239 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:35:34,239 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:35:34,259 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 01:35:34,300 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2022-07-22 01:35:34,301 INFO L444 ModelExtractionUtils]: 9 out of 37 variables were initially zero. Simplification set additionally 25 variables to zero. [2022-07-22 01:35:34,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:35:34,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:35:34,308 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) [2022-07-22 01:35:34,336 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 01:35:34,341 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 [2022-07-22 01:35:34,356 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-22 01:35:34,356 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 01:35:34,356 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strlcpy_~s~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_2) = -1*ULTIMATE.start_strlcpy_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_2 Supporting invariants [] [2022-07-22 01:35:34,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-07-22 01:35:34,384 INFO L293 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2022-07-22 01:35:34,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:35:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:35:34,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-22 01:35:34,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:35:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:35:34,437 WARN L261 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-22 01:35:34,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:35:34,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:35:34,457 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 [2022-07-22 01:35:34,457 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) [2022-07-22 01:35:34,478 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. [2022-07-22 01:35:34,478 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 [2022-07-22 01:35:34,479 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) [2022-07-22 01:35:34,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2022-07-22 01:35:34,479 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 8 letters. Loop has 2 letters. [2022-07-22 01:35:34,479 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:35:34,479 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 10 letters. Loop has 2 letters. [2022-07-22 01:35:34,479 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:35:34,479 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 8 letters. Loop has 4 letters. [2022-07-22 01:35:34,479 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:35:34,479 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2022-07-22 01:35:34,480 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-22 01:35:34,480 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 20 states and 25 transitions. [2022-07-22 01:35:34,480 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-07-22 01:35:34,480 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2022-07-22 01:35:34,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2022-07-22 01:35:34,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 01:35:34,480 INFO L369 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-07-22 01:35:34,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2022-07-22 01:35:34,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2022-07-22 01:35:34,481 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) [2022-07-22 01:35:34,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2022-07-22 01:35:34,482 INFO L392 hiAutomatonCegarLoop]: Abstraction has 17 states and 21 transitions. [2022-07-22 01:35:34,482 INFO L374 stractBuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2022-07-22 01:35:34,482 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-22 01:35:34,482 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2022-07-22 01:35:34,482 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-22 01:35:34,482 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:35:34,482 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:35:34,482 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 01:35:34,482 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 01:35:34,482 INFO L752 eck$LassoCheckResult]: Stem: 370#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 371#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; 380#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; 376#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; 377#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; 386#L514-2 assume !strlcpy_#t~short3#1;havoc strlcpy_#t~pre2#1;havoc strlcpy_#t~short3#1; 378#L514-3 assume 0 == strlcpy_~n~0#1 % 18446744073709551616; 383#L521 assume 0 != strlcpy_~siz#1 % 18446744073709551616;call write~int(0, strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset, 1); 384#L523-2 [2022-07-22 01:35:34,482 INFO L754 eck$LassoCheckResult]: Loop: 384#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); 385#L523 assume !!(0 != strlcpy_#t~mem9#1);havoc strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset;havoc strlcpy_#t~mem9#1; 384#L523-2 [2022-07-22 01:35:34,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:35:34,483 INFO L85 PathProgramCache]: Analyzing trace with hash 179527910, now seen corresponding path program 1 times [2022-07-22 01:35:34,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:35:34,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563498317] [2022-07-22 01:35:34,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:35:34,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:35:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:35:34,493 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:35:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:35:34,502 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:35:34,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:35:34,502 INFO L85 PathProgramCache]: Analyzing trace with hash 2758, now seen corresponding path program 3 times [2022-07-22 01:35:34,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:35:34,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209479171] [2022-07-22 01:35:34,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:35:34,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:35:34,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:35:34,504 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:35:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:35:34,506 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:35:34,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:35:34,506 INFO L85 PathProgramCache]: Analyzing trace with hash 727631467, now seen corresponding path program 1 times [2022-07-22 01:35:34,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:35:34,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749095886] [2022-07-22 01:35:34,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:35:34,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:35:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:35:34,520 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:35:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:35:34,529 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:35:34,915 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 [2022-07-22 01:35:35,244 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 01:35:35,245 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 01:35:35,245 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 01:35:35,245 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 01:35:35,245 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 01:35:35,245 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:35:35,245 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 01:35:35,245 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 01:35:35,245 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcpy.i_Iteration4_Lasso [2022-07-22 01:35:35,245 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 01:35:35,245 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 01:35:35,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:35,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:35,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:35,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:35,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:35,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:35,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:35,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:35,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:35,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:35,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:35,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:35,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:35,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:35,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:35,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:35,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:35,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:35,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:35:35,977 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 01:35:35,978 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 01:35:35,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:35:35,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:35:35,979 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) [2022-07-22 01:35:35,984 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 [2022-07-22 01:35:35,985 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:35:35,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:35:35,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:35:35,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:35:35,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:35:35,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:35:35,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:35:35,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:35:35,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:35:36,012 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 [2022-07-22 01:35:36,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:35:36,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:35:36,013 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) [2022-07-22 01:35:36,014 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 [2022-07-22 01:35:36,016 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:35:36,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:35:36,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:35:36,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:35:36,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:35:36,023 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:35:36,023 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:35:36,038 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:35:36,055 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 [2022-07-22 01:35:36,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:35:36,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:35:36,056 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) [2022-07-22 01:35:36,057 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 [2022-07-22 01:35:36,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:35:36,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:35:36,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:35:36,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:35:36,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:35:36,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:35:36,064 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:35:36,064 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:35:36,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:35:36,098 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 [2022-07-22 01:35:36,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:35:36,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:35:36,099 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) [2022-07-22 01:35:36,100 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 [2022-07-22 01:35:36,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:35:36,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:35:36,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:35:36,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:35:36,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:35:36,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:35:36,108 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:35:36,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:35:36,123 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:35:36,139 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-07-22 01:35:36,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:35:36,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:35:36,141 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) [2022-07-22 01:35:36,142 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 [2022-07-22 01:35:36,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:35:36,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:35:36,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:35:36,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:35:36,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:35:36,159 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:35:36,159 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:35:36,173 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 01:35:36,190 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2022-07-22 01:35:36,190 INFO L444 ModelExtractionUtils]: 16 out of 52 variables were initially zero. Simplification set additionally 33 variables to zero. [2022-07-22 01:35:36,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:35:36,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:35:36,193 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) [2022-07-22 01:35:36,208 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 [2022-07-22 01:35:36,223 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 01:35:36,244 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-22 01:35:36,245 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 01:35:36,245 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_3, ULTIMATE.start_strlcpy_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_3 - 1*ULTIMATE.start_strlcpy_~s~0#1.offset Supporting invariants [] [2022-07-22 01:35:36,260 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 [2022-07-22 01:35:36,285 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 [2022-07-22 01:35:36,302 INFO L293 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2022-07-22 01:35:36,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:35:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:35:36,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-22 01:35:36,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:35:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:35:36,362 WARN L261 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-22 01:35:36,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:35:36,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:35:36,377 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 [2022-07-22 01:35:36,378 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6 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) [2022-07-22 01:35:36,404 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6. 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 19 states and 23 transitions. Complement of second has 5 states. [2022-07-22 01:35:36,404 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 [2022-07-22 01:35:36,405 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) [2022-07-22 01:35:36,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2022-07-22 01:35:36,405 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 8 letters. Loop has 2 letters. [2022-07-22 01:35:36,405 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:35:36,405 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 10 letters. Loop has 2 letters. [2022-07-22 01:35:36,406 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:35:36,406 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 8 letters. Loop has 4 letters. [2022-07-22 01:35:36,406 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:35:36,406 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 23 transitions. [2022-07-22 01:35:36,406 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 01:35:36,406 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2022-07-22 01:35:36,406 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-22 01:35:36,406 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-22 01:35:36,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-22 01:35:36,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 01:35:36,407 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 01:35:36,407 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 01:35:36,407 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 01:35:36,407 INFO L287 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-22 01:35:36,407 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-22 01:35:36,407 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 01:35:36,407 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-22 01:35:36,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 01:35:36 BoogieIcfgContainer [2022-07-22 01:35:36,412 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 01:35:36,412 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 01:35:36,412 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 01:35:36,412 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 01:35:36,412 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:35:29" (3/4) ... [2022-07-22 01:35:36,414 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-22 01:35:36,414 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 01:35:36,414 INFO L158 Benchmark]: Toolchain (without parser) took 7938.04ms. Allocated memory was 67.1MB in the beginning and 130.0MB in the end (delta: 62.9MB). Free memory was 46.1MB in the beginning and 92.2MB in the end (delta: -46.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-22 01:35:36,415 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 67.1MB. Free memory was 47.8MB in the beginning and 47.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 01:35:36,415 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.46ms. Allocated memory is still 67.1MB. Free memory was 45.9MB in the beginning and 44.1MB in the end (delta: 1.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-22 01:35:36,415 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.06ms. Allocated memory is still 67.1MB. Free memory was 44.1MB in the beginning and 42.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 01:35:36,415 INFO L158 Benchmark]: Boogie Preprocessor took 40.54ms. Allocated memory is still 67.1MB. Free memory was 42.0MB in the beginning and 40.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 01:35:36,416 INFO L158 Benchmark]: RCFGBuilder took 222.53ms. Allocated memory is still 67.1MB. Free memory was 40.8MB in the beginning and 48.5MB in the end (delta: -7.7MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2022-07-22 01:35:36,416 INFO L158 Benchmark]: BuchiAutomizer took 7293.93ms. Allocated memory was 67.1MB in the beginning and 130.0MB in the end (delta: 62.9MB). Free memory was 48.5MB in the beginning and 92.2MB in the end (delta: -43.7MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2022-07-22 01:35:36,416 INFO L158 Benchmark]: Witness Printer took 2.08ms. Allocated memory is still 130.0MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 01:35:36,417 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 67.1MB. Free memory was 47.8MB in the beginning and 47.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.46ms. Allocated memory is still 67.1MB. Free memory was 45.9MB in the beginning and 44.1MB in the end (delta: 1.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.06ms. Allocated memory is still 67.1MB. Free memory was 44.1MB in the beginning and 42.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.54ms. Allocated memory is still 67.1MB. Free memory was 42.0MB in the beginning and 40.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 222.53ms. Allocated memory is still 67.1MB. Free memory was 40.8MB in the beginning and 48.5MB in the end (delta: -7.7MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 7293.93ms. Allocated memory was 67.1MB in the beginning and 130.0MB in the end (delta: 62.9MB). Free memory was 48.5MB in the beginning and 92.2MB in the end (delta: -43.7MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * Witness Printer took 2.08ms. Allocated memory is still 130.0MB. Free memory is still 92.2MB. 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 -1 * s + unknown-#length-unknown[__builtin_alloca (out_len)] and consists of 4 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (out_len)] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.2s 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, 17 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 119 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 119 mSDsluCounter, 120 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 41 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 79 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital201 mio100 ax100 hnf100 lsp96 ukn90 mio100 lsp41 div182 bol100 ite100 ukn100 eq174 hnf91 smp70 dnf100 smp100 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 46ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-22 01:35:36,436 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