./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strlcat.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strlcat.i -s /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer --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 31c220d29d6dec1ef33d2c1aa086e47a745ff101 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:00:01,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:00:01,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:00:01,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:00:01,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:00:01,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:00:01,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:00:01,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:00:01,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:00:01,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:00:01,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:00:01,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:00:01,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:00:01,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:00:01,679 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:00:01,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:00:01,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:00:01,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:00:01,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:00:01,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:00:01,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:00:01,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:00:01,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:00:01,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:00:01,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:00:01,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:00:01,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:00:01,713 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:00:01,714 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:00:01,719 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:00:01,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:00:01,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:00:01,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:00:01,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:00:01,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:00:01,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:00:01,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:00:01,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:00:01,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:00:01,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:00:01,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:00:01,739 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-28 03:00:01,791 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:00:01,791 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:00:01,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:00:01,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:00:01,794 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:00:01,794 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:00:01,795 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:00:01,795 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:00:01,795 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:00:01,795 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:00:01,797 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:00:01,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:00:01,797 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:00:01,798 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:00:01,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:00:01,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:00:01,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:00:01,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:00:01,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:00:01,799 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:00:01,800 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:00:01,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:00:01,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:00:01,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:00:01,801 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:00:01,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:00:01,801 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:00:01,802 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:00:01,802 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:00:01,803 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:00:01,803 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:/tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31c220d29d6dec1ef33d2c1aa086e47a745ff101 [2020-11-28 03:00:02,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:00:02,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:00:02,216 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:00:02,217 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:00:02,220 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:00:02,222 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/../../sv-benchmarks/c/termination-dietlibc/strlcat.i [2020-11-28 03:00:02,316 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/data/c19901554/bf54aad49efc4471b7a6efbc15c4c85c/FLAG6b5014730 [2020-11-28 03:00:03,102 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:00:03,105 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/sv-benchmarks/c/termination-dietlibc/strlcat.i [2020-11-28 03:00:03,121 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/data/c19901554/bf54aad49efc4471b7a6efbc15c4c85c/FLAG6b5014730 [2020-11-28 03:00:03,326 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/data/c19901554/bf54aad49efc4471b7a6efbc15c4c85c [2020-11-28 03:00:03,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:00:03,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:00:03,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:00:03,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:00:03,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:00:03,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:00:03" (1/1) ... [2020-11-28 03:00:03,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fe5e605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:03, skipping insertion in model container [2020-11-28 03:00:03,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:00:03" (1/1) ... [2020-11-28 03:00:03,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:00:03,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:00:03,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:00:03,792 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:00:03,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:00:03,906 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:00:03,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:03 WrapperNode [2020-11-28 03:00:03,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:00:03,908 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:00:03,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:00:03,909 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:00:03,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:03" (1/1) ... [2020-11-28 03:00:03,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:03" (1/1) ... [2020-11-28 03:00:03,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:00:03,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:00:03,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:00:03,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:00:03,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:03" (1/1) ... [2020-11-28 03:00:03,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:03" (1/1) ... [2020-11-28 03:00:04,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:03" (1/1) ... [2020-11-28 03:00:04,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:03" (1/1) ... [2020-11-28 03:00:04,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:03" (1/1) ... [2020-11-28 03:00:04,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:03" (1/1) ... [2020-11-28 03:00:04,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:03" (1/1) ... [2020-11-28 03:00:04,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:00:04,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:00:04,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:00:04,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:00:04,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 03:00:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 03:00:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:00:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:00:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:00:04,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:00:04,858 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:00:04,858 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-11-28 03:00:04,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:00:04 BoogieIcfgContainer [2020-11-28 03:00:04,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:00:04,861 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:00:04,861 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:00:04,867 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:00:04,868 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:00:04,868 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:00:03" (1/3) ... [2020-11-28 03:00:04,870 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c619e59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:00:04, skipping insertion in model container [2020-11-28 03:00:04,870 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:00:04,870 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:03" (2/3) ... [2020-11-28 03:00:04,870 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c619e59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:00:04, skipping insertion in model container [2020-11-28 03:00:04,871 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:00:04,871 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:00:04" (3/3) ... [2020-11-28 03:00:04,872 INFO L373 chiAutomizerObserver]: Analyzing ICFG strlcat.i [2020-11-28 03:00:04,948 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:00:04,948 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:00:04,949 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:00:04,949 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:00:04,949 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:00:04,950 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:00:04,950 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:00:04,950 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:00:04,968 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states. [2020-11-28 03:00:04,988 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2020-11-28 03:00:04,988 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:00:04,988 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:00:04,995 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-28 03:00:04,995 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 03:00:04,996 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:00:04,996 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states. [2020-11-28 03:00:04,999 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2020-11-28 03:00:04,999 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:00:04,999 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:00:04,999 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-28 03:00:05,000 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 03:00:05,007 INFO L794 eck$LassoCheckResult]: Stem: 17#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 15#L-1true havoc main_#res;havoc main_#t~nondet15, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~nondet17, main_#t~malloc18.base, main_#t~malloc18.offset, main_#t~ret19, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet15;havoc main_#t~nondet15; 23#L539true assume !(main_~in_len~0 < 1);call main_#t~malloc16.base, main_#t~malloc16.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc16.base, main_#t~malloc16.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet17;havoc main_#t~nondet17; 14#L543true assume !(main_~out_len~0 < 1);call main_#t~malloc18.base, main_#t~malloc18.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc18.base, main_#t~malloc18.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + (main_~out_len~0 - 1), 1);strlcat_#in~dst.base, strlcat_#in~dst.offset, strlcat_#in~src.base, strlcat_#in~src.offset, strlcat_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcat_#res;havoc strlcat_#t~post8.base, strlcat_#t~post8.offset, strlcat_#t~mem5, strlcat_#t~post6, strlcat_#t~short7, strlcat_#t~ret9, strlcat_#t~post11.base, strlcat_#t~post11.offset, strlcat_#t~mem12, strlcat_#t~post13, strlcat_#t~post14.base, strlcat_#t~post14.offset, strlcat_#t~mem10, strlcat_~dst.base, strlcat_~dst.offset, strlcat_~src.base, strlcat_~src.offset, strlcat_~siz, strlcat_~d~0.base, strlcat_~d~0.offset, strlcat_~s~0.base, strlcat_~s~0.offset, strlcat_~n~0, strlcat_~dlen~0;strlcat_~dst.base, strlcat_~dst.offset := strlcat_#in~dst.base, strlcat_#in~dst.offset;strlcat_~src.base, strlcat_~src.offset := strlcat_#in~src.base, strlcat_#in~src.offset;strlcat_~siz := strlcat_#in~siz;strlcat_~d~0.base, strlcat_~d~0.offset := strlcat_~dst.base, strlcat_~dst.offset;strlcat_~s~0.base, strlcat_~s~0.offset := strlcat_~src.base, strlcat_~src.offset;strlcat_~n~0 := strlcat_~siz;havoc strlcat_~dlen~0; 3#L521-5true [2020-11-28 03:00:05,008 INFO L796 eck$LassoCheckResult]: Loop: 3#L521-5true call strlcat_#t~mem5 := read~int(strlcat_~d~0.base, strlcat_~d~0.offset, 1);strlcat_#t~short7 := 0 != strlcat_#t~mem5; 18#L521-1true assume strlcat_#t~short7;strlcat_#t~post6 := strlcat_~n~0;strlcat_~n~0 := strlcat_#t~post6 - 1;strlcat_#t~short7 := 0 != strlcat_#t~post6 % 4294967296; 22#L521-3true assume !!strlcat_#t~short7;havoc strlcat_#t~short7;havoc strlcat_#t~post6;havoc strlcat_#t~mem5;strlcat_#t~post8.base, strlcat_#t~post8.offset := strlcat_~d~0.base, strlcat_~d~0.offset;strlcat_~d~0.base, strlcat_~d~0.offset := strlcat_#t~post8.base, 1 + strlcat_#t~post8.offset;havoc strlcat_#t~post8.base, strlcat_#t~post8.offset; 3#L521-5true [2020-11-28 03:00:05,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:05,014 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2020-11-28 03:00:05,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:05,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954254426] [2020-11-28 03:00:05,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:05,180 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:05,238 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:05,278 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:00:05,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:05,283 INFO L82 PathProgramCache]: Analyzing trace with hash 46776, now seen corresponding path program 1 times [2020-11-28 03:00:05,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:05,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803555668] [2020-11-28 03:00:05,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:05,318 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:05,342 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:05,345 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:00:05,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:05,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1806907761, now seen corresponding path program 1 times [2020-11-28 03:00:05,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:05,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076936045] [2020-11-28 03:00:05,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:05,449 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:05,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:05,516 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:05,525 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:00:05,724 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2020-11-28 03:00:06,425 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 100 [2020-11-28 03:00:06,637 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-11-28 03:00:06,659 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:00:06,660 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:00:06,660 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:00:06,661 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:00:06,661 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:00:06,661 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:06,661 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:00:06,662 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:00:06,662 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcat.i_Iteration1_Lasso [2020-11-28 03:00:06,662 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:00:06,663 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:00:06,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:06,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:06,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:06,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:06,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:07,268 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2020-11-28 03:00:07,420 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-11-28 03:00:07,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:07,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:07,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:07,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:07,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:07,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:07,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:07,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:07,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:07,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:07,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:07,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:07,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:07,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:07,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:07,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:07,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:08,448 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:00:08,454 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:00:08,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:08,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:08,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:08,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:08,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:08,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:08,484 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:08,484 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:08,488 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:08,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:08,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:08,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:08,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:08,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:08,533 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:00:08,533 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:00:08,538 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:08,567 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:08,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:08,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:08,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:08,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:08,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:08,571 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:08,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:08,586 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:08,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:08,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:08,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:08,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:08,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:08,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:08,624 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:08,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:08,628 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:08,657 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:08,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:08,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:08,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:08,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:08,686 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:00:08,686 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:00:08,701 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:08,729 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:08,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:08,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:08,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:08,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:08,756 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:00:08,756 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:00:08,778 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:00:08,865 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-11-28 03:00:08,865 INFO L444 ModelExtractionUtils]: 20 out of 28 variables were initially zero. Simplification set additionally 5 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:00:08,871 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:08,890 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-28 03:00:08,891 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:00:08,892 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strlcat_~d~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc16.base)_1) = -1*ULTIMATE.start_strlcat_~d~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc16.base)_1 Supporting invariants [] [2020-11-28 03:00:09,067 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2020-11-28 03:00:09,083 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-28 03:00:09,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:09,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-28 03:00:09,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:00:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:09,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-28 03:00:09,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:00:09,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:00:09,259 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 [2020-11-28 03:00:09,261 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states. Second operand 4 states. [2020-11-28 03:00:09,409 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states.. Second operand 4 states. Result 73 states and 101 transitions. Complement of second has 9 states. [2020-11-28 03:00:09,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-28 03:00:09,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:00:09,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 66 transitions. [2020-11-28 03:00:09,414 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 66 transitions. Stem has 4 letters. Loop has 3 letters. [2020-11-28 03:00:09,415 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:00:09,415 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 66 transitions. Stem has 7 letters. Loop has 3 letters. [2020-11-28 03:00:09,415 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:00:09,416 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 66 transitions. Stem has 4 letters. Loop has 6 letters. [2020-11-28 03:00:09,416 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:00:09,417 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 101 transitions. [2020-11-28 03:00:09,431 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2020-11-28 03:00:09,436 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 36 states and 45 transitions. [2020-11-28 03:00:09,437 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2020-11-28 03:00:09,438 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2020-11-28 03:00:09,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 45 transitions. [2020-11-28 03:00:09,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:00:09,439 INFO L691 BuchiCegarLoop]: Abstraction has 36 states and 45 transitions. [2020-11-28 03:00:09,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 45 transitions. [2020-11-28 03:00:09,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 27. [2020-11-28 03:00:09,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-11-28 03:00:09,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2020-11-28 03:00:09,481 INFO L714 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2020-11-28 03:00:09,481 INFO L594 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2020-11-28 03:00:09,482 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:00:09,482 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 35 transitions. [2020-11-28 03:00:09,489 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2020-11-28 03:00:09,489 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:00:09,489 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:00:09,490 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:00:09,490 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-28 03:00:09,491 INFO L794 eck$LassoCheckResult]: Stem: 212#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 210#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~nondet17, main_#t~malloc18.base, main_#t~malloc18.offset, main_#t~ret19, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet15;havoc main_#t~nondet15; 211#L539 assume !(main_~in_len~0 < 1);call main_#t~malloc16.base, main_#t~malloc16.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc16.base, main_#t~malloc16.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet17;havoc main_#t~nondet17; 209#L543 assume !(main_~out_len~0 < 1);call main_#t~malloc18.base, main_#t~malloc18.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc18.base, main_#t~malloc18.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + (main_~out_len~0 - 1), 1);strlcat_#in~dst.base, strlcat_#in~dst.offset, strlcat_#in~src.base, strlcat_#in~src.offset, strlcat_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcat_#res;havoc strlcat_#t~post8.base, strlcat_#t~post8.offset, strlcat_#t~mem5, strlcat_#t~post6, strlcat_#t~short7, strlcat_#t~ret9, strlcat_#t~post11.base, strlcat_#t~post11.offset, strlcat_#t~mem12, strlcat_#t~post13, strlcat_#t~post14.base, strlcat_#t~post14.offset, strlcat_#t~mem10, strlcat_~dst.base, strlcat_~dst.offset, strlcat_~src.base, strlcat_~src.offset, strlcat_~siz, strlcat_~d~0.base, strlcat_~d~0.offset, strlcat_~s~0.base, strlcat_~s~0.offset, strlcat_~n~0, strlcat_~dlen~0;strlcat_~dst.base, strlcat_~dst.offset := strlcat_#in~dst.base, strlcat_#in~dst.offset;strlcat_~src.base, strlcat_~src.offset := strlcat_#in~src.base, strlcat_#in~src.offset;strlcat_~siz := strlcat_#in~siz;strlcat_~d~0.base, strlcat_~d~0.offset := strlcat_~dst.base, strlcat_~dst.offset;strlcat_~s~0.base, strlcat_~s~0.offset := strlcat_~src.base, strlcat_~src.offset;strlcat_~n~0 := strlcat_~siz;havoc strlcat_~dlen~0; 190#L521-5 call strlcat_#t~mem5 := read~int(strlcat_~d~0.base, strlcat_~d~0.offset, 1);strlcat_#t~short7 := 0 != strlcat_#t~mem5; 192#L521-1 assume !strlcat_#t~short7; 213#L521-3 assume !strlcat_#t~short7;havoc strlcat_#t~short7;havoc strlcat_#t~post6;havoc strlcat_#t~mem5; 204#L521-6 assume strlcat_~d~0.base == strlcat_~dst.base;strlcat_~dlen~0 := (if strlcat_~d~0.offset - strlcat_~dst.offset < 0 && 0 != (strlcat_~d~0.offset - strlcat_~dst.offset) % 1 then 1 + (strlcat_~d~0.offset - strlcat_~dst.offset) / 1 else (strlcat_~d~0.offset - strlcat_~dst.offset) / 1);strlcat_~n~0 := strlcat_~siz - strlcat_~dlen~0; 205#L525 assume !(0 == strlcat_~n~0 % 4294967296); 201#L527-3 [2020-11-28 03:00:09,491 INFO L796 eck$LassoCheckResult]: Loop: 201#L527-3 call strlcat_#t~mem10 := read~int(strlcat_~s~0.base, strlcat_~s~0.offset, 1); 196#L527-1 assume !!(0 != strlcat_#t~mem10);havoc strlcat_#t~mem10; 197#L528 assume !(1 != strlcat_~n~0 % 4294967296); 200#L528-2 strlcat_#t~post14.base, strlcat_#t~post14.offset := strlcat_~s~0.base, strlcat_~s~0.offset;strlcat_~s~0.base, strlcat_~s~0.offset := strlcat_#t~post14.base, 1 + strlcat_#t~post14.offset;havoc strlcat_#t~post14.base, strlcat_#t~post14.offset; 201#L527-3 [2020-11-28 03:00:09,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:09,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1271629448, now seen corresponding path program 1 times [2020-11-28 03:00:09,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:09,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791345382] [2020-11-28 03:00:09,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:09,554 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:09,600 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:09,615 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:00:09,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:09,616 INFO L82 PathProgramCache]: Analyzing trace with hash 2898824, now seen corresponding path program 1 times [2020-11-28 03:00:09,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:09,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663948339] [2020-11-28 03:00:09,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:09,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:09,623 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:09,630 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:09,633 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:00:09,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:09,643 INFO L82 PathProgramCache]: Analyzing trace with hash -701290865, now seen corresponding path program 1 times [2020-11-28 03:00:09,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:09,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403648634] [2020-11-28 03:00:09,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:09,702 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:09,772 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:09,779 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:00:10,800 WARN L193 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 127 [2020-11-28 03:00:11,182 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-11-28 03:00:11,185 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:00:11,185 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:00:11,185 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:00:11,185 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:00:11,185 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:00:11,186 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:11,186 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:00:11,186 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:00:11,186 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcat.i_Iteration2_Lasso [2020-11-28 03:00:11,186 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:00:11,186 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:00:11,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:11,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:11,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:11,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:11,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:11,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:11,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:11,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:11,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:11,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:11,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:11,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:11,854 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2020-11-28 03:00:11,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:11,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:11,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:11,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:11,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:11,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:11,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:11,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:11,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:12,717 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2020-11-28 03:00:13,133 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-11-28 03:00:13,331 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:00:13,331 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:13,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:13,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:13,341 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:13,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:13,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:13,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:13,342 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:13,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:13,369 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:13,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:13,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:13,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:13,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:13,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:13,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:13,400 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:13,400 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:13,401 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:13,436 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:13,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:13,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:13,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:13,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:13,440 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:00:13,440 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:00:13,443 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:13,472 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:13,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:13,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:13,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:13,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:13,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:13,474 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:13,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:13,476 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:13,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:13,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:13,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:13,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:13,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:13,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:13,508 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:13,508 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:13,513 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:13,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:13,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:13,540 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:13,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:13,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:13,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:13,541 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:13,541 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:13,544 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:13,574 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:13,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:13,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:13,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:13,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:13,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:13,577 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:13,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:13,578 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:13,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:13,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:13,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:13,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:13,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:13,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:13,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:13,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:13,606 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:13,634 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:13,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:13,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:13,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:13,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:13,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:13,637 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:13,637 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:13,638 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:13,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:13,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:13,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:13,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:13,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:13,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:13,664 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:13,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:13,698 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:13,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:13,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:13,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:13,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:13,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:13,741 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:00:13,741 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:00:13,745 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:00:13,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:13,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:13,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:13,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:13,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:13,777 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:00:13,777 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:00:13,781 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:00:13,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:13,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:13,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:13,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:13,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:13,833 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:00:13,833 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:13,838 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:13,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:13,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:13,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:13,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:13,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:13,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:00:13,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:00:13,869 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:13,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:13,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:13,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:13,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:13,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:13,911 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:00:13,911 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:00:13,918 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:13,944 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:13,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:13,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:13,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:13,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:14,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:00:14,001 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:00:14,034 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:00:14,110 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2020-11-28 03:00:14,110 INFO L444 ModelExtractionUtils]: 51 out of 61 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:00:14,114 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:14,118 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-28 03:00:14,119 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:00:14,119 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strlcat_~s~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc18.base)_2) = -1*ULTIMATE.start_strlcat_~s~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc18.base)_2 Supporting invariants [] [2020-11-28 03:00:14,247 INFO L297 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2020-11-28 03:00:14,250 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-28 03:00:14,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:14,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-28 03:00:14,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:00:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:14,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-28 03:00:14,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:00:14,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:00:14,366 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 [2020-11-28 03:00:14,366 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 35 transitions. cyclomatic complexity: 12 Second operand 4 states. [2020-11-28 03:00:14,428 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 35 transitions. cyclomatic complexity: 12. Second operand 4 states. Result 35 states and 44 transitions. Complement of second has 5 states. [2020-11-28 03:00:14,429 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 [2020-11-28 03:00:14,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:00:14,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2020-11-28 03:00:14,429 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 9 letters. Loop has 4 letters. [2020-11-28 03:00:14,430 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:00:14,430 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 13 letters. Loop has 4 letters. [2020-11-28 03:00:14,430 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:00:14,430 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 9 letters. Loop has 8 letters. [2020-11-28 03:00:14,430 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:00:14,430 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 44 transitions. [2020-11-28 03:00:14,431 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 03:00:14,432 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 16 states and 20 transitions. [2020-11-28 03:00:14,432 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2020-11-28 03:00:14,432 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2020-11-28 03:00:14,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 20 transitions. [2020-11-28 03:00:14,433 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:00:14,433 INFO L691 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2020-11-28 03:00:14,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 20 transitions. [2020-11-28 03:00:14,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-11-28 03:00:14,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-11-28 03:00:14,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2020-11-28 03:00:14,435 INFO L714 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2020-11-28 03:00:14,435 INFO L594 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2020-11-28 03:00:14,435 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-28 03:00:14,435 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2020-11-28 03:00:14,435 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 03:00:14,435 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:00:14,436 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:00:14,436 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:00:14,436 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 03:00:14,436 INFO L794 eck$LassoCheckResult]: Stem: 378#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 376#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~nondet17, main_#t~malloc18.base, main_#t~malloc18.offset, main_#t~ret19, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet15;havoc main_#t~nondet15; 377#L539 assume !(main_~in_len~0 < 1);call main_#t~malloc16.base, main_#t~malloc16.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc16.base, main_#t~malloc16.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet17;havoc main_#t~nondet17; 375#L543 assume !(main_~out_len~0 < 1);call main_#t~malloc18.base, main_#t~malloc18.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc18.base, main_#t~malloc18.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + (main_~out_len~0 - 1), 1);strlcat_#in~dst.base, strlcat_#in~dst.offset, strlcat_#in~src.base, strlcat_#in~src.offset, strlcat_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcat_#res;havoc strlcat_#t~post8.base, strlcat_#t~post8.offset, strlcat_#t~mem5, strlcat_#t~post6, strlcat_#t~short7, strlcat_#t~ret9, strlcat_#t~post11.base, strlcat_#t~post11.offset, strlcat_#t~mem12, strlcat_#t~post13, strlcat_#t~post14.base, strlcat_#t~post14.offset, strlcat_#t~mem10, strlcat_~dst.base, strlcat_~dst.offset, strlcat_~src.base, strlcat_~src.offset, strlcat_~siz, strlcat_~d~0.base, strlcat_~d~0.offset, strlcat_~s~0.base, strlcat_~s~0.offset, strlcat_~n~0, strlcat_~dlen~0;strlcat_~dst.base, strlcat_~dst.offset := strlcat_#in~dst.base, strlcat_#in~dst.offset;strlcat_~src.base, strlcat_~src.offset := strlcat_#in~src.base, strlcat_#in~src.offset;strlcat_~siz := strlcat_#in~siz;strlcat_~d~0.base, strlcat_~d~0.offset := strlcat_~dst.base, strlcat_~dst.offset;strlcat_~s~0.base, strlcat_~s~0.offset := strlcat_~src.base, strlcat_~src.offset;strlcat_~n~0 := strlcat_~siz;havoc strlcat_~dlen~0; 366#L521-5 call strlcat_#t~mem5 := read~int(strlcat_~d~0.base, strlcat_~d~0.offset, 1);strlcat_#t~short7 := 0 != strlcat_#t~mem5; 367#L521-1 assume !strlcat_#t~short7; 379#L521-3 assume !strlcat_#t~short7;havoc strlcat_#t~short7;havoc strlcat_#t~post6;havoc strlcat_#t~mem5; 372#L521-6 assume strlcat_~d~0.base == strlcat_~dst.base;strlcat_~dlen~0 := (if strlcat_~d~0.offset - strlcat_~dst.offset < 0 && 0 != (strlcat_~d~0.offset - strlcat_~dst.offset) % 1 then 1 + (strlcat_~d~0.offset - strlcat_~dst.offset) / 1 else (strlcat_~d~0.offset - strlcat_~dst.offset) / 1);strlcat_~n~0 := strlcat_~siz - strlcat_~dlen~0; 373#L525 assume 0 == strlcat_~n~0 % 4294967296;strlen_#in~s.base, strlen_#in~s.offset := strlcat_~s~0.base, strlcat_~s~0.offset;havoc strlen_#res;havoc strlen_#t~pre3, strlen_#t~pre2.base, strlen_#t~pre2.offset, strlen_#t~mem4, strlen_~s.base, strlen_~s.offset, strlen_~i~0;strlen_~s.base, strlen_~s.offset := strlen_#in~s.base, strlen_#in~s.offset;havoc strlen_~i~0; 374#L508 assume !(strlen_~s.base == 0 && strlen_~s.offset == 0);strlen_~i~0 := 0; 370#L509-4 [2020-11-28 03:00:14,437 INFO L796 eck$LassoCheckResult]: Loop: 370#L509-4 call strlen_#t~mem4 := read~int(strlen_~s.base, strlen_~s.offset, 1); 371#L509-1 assume !!(0 != strlen_#t~mem4);havoc strlen_#t~mem4;strlen_#t~pre3 := 1 + strlen_~i~0;strlen_~i~0 := 1 + strlen_~i~0;havoc strlen_#t~pre3; 381#L509-3 strlen_#t~pre2.base, strlen_#t~pre2.offset := strlen_~s.base, 1 + strlen_~s.offset;strlen_~s.base, strlen_~s.offset := strlen_~s.base, 1 + strlen_~s.offset;havoc strlen_#t~pre2.base, strlen_#t~pre2.offset; 370#L509-4 [2020-11-28 03:00:14,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:14,437 INFO L82 PathProgramCache]: Analyzing trace with hash 765806520, now seen corresponding path program 1 times [2020-11-28 03:00:14,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:14,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832921367] [2020-11-28 03:00:14,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:14,455 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:14,472 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:14,477 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:00:14,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:14,478 INFO L82 PathProgramCache]: Analyzing trace with hash 73645, now seen corresponding path program 1 times [2020-11-28 03:00:14,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:14,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676397275] [2020-11-28 03:00:14,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:14,483 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:14,486 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:14,488 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:00:14,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:14,488 INFO L82 PathProgramCache]: Analyzing trace with hash -724195178, now seen corresponding path program 1 times [2020-11-28 03:00:14,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:14,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607355478] [2020-11-28 03:00:14,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:14,510 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:14,529 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:14,536 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:00:15,315 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 136 [2020-11-28 03:00:15,561 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-11-28 03:00:15,563 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:00:15,564 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:00:15,564 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:00:15,564 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:00:15,564 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:00:15,564 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:15,564 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:00:15,564 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:00:15,564 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcat.i_Iteration3_Lasso [2020-11-28 03:00:15,564 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:00:15,564 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:00:15,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:15,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:15,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:15,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:15,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:15,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:15,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:15,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:15,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:15,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:15,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:15,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:15,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:16,111 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2020-11-28 03:00:16,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:16,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:16,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:16,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:16,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:16,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:16,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:16,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:16,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:16,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:16,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:16,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:16,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:16,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:16,590 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2020-11-28 03:00:17,065 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-11-28 03:00:17,313 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:00:17,316 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:00:17,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:17,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:17,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:17,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:17,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:17,332 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:00:17,332 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:17,336 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:00:17,380 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:17,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:17,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:17,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:17,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:17,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:17,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:17,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:17,385 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:17,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:17,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:17,421 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:17,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:17,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:17,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:17,422 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:17,422 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:17,423 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:17,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:17,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:17,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:17,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:17,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:17,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:17,455 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:17,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:17,456 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:17,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:17,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:17,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:17,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:17,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:17,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:17,487 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:17,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:17,492 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:17,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:17,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:17,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:17,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:17,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:17,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:17,532 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:17,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:17,546 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:00:17,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:17,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:17,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:17,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:17,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:17,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:17,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:17,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:17,592 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:17,648 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:17,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:17,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:17,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:17,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:17,653 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:00:17,653 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:00:17,658 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:00:17,703 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:17,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:17,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:17,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:17,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:17,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:17,705 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:17,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:17,707 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:00:17,746 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:17,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:17,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:17,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:17,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:17,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:17,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:17,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:17,757 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:00:17,789 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:17,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:17,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:17,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:17,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:17,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:17,791 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:17,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:17,793 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:17,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:17,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:17,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:17,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:17,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:17,822 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:00:17,822 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:00:17,826 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:17,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:17,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:17,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:17,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:17,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:17,852 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:00:17,853 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:00:17,862 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:17,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:17,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:17,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:17,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:17,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:17,900 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:00:17,900 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:00:17,923 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:00:17,945 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2020-11-28 03:00:17,945 INFO L444 ModelExtractionUtils]: 41 out of 49 variables were initially zero. Simplification set additionally 5 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88b46477-7c3d-4ae1-8217-8c99089bfe73/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:17,948 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:00:17,950 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-28 03:00:17,950 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:00:17,951 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strlen_~s.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc18.base)_3) = -1*ULTIMATE.start_strlen_~s.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc18.base)_3 Supporting invariants [] [2020-11-28 03:00:18,017 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2020-11-28 03:00:18,020 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-28 03:00:18,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:18,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-28 03:00:18,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:00:18,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:18,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-28 03:00:18,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:00:18,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:00:18,119 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 [2020-11-28 03:00:18,119 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6 Second operand 5 states. [2020-11-28 03:00:18,251 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6. Second operand 5 states. Result 19 states and 24 transitions. Complement of second has 6 states. [2020-11-28 03:00:18,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:00:18,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-28 03:00:18,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2020-11-28 03:00:18,252 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 10 letters. Loop has 3 letters. [2020-11-28 03:00:18,252 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:00:18,252 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 13 letters. Loop has 3 letters. [2020-11-28 03:00:18,252 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:00:18,253 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 10 letters. Loop has 6 letters. [2020-11-28 03:00:18,253 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:00:18,253 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 24 transitions. [2020-11-28 03:00:18,254 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:00:18,254 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2020-11-28 03:00:18,254 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:00:18,254 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:00:18,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:00:18,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:00:18,254 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:00:18,254 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:00:18,254 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:00:18,254 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-28 03:00:18,255 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:00:18,255 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:00:18,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:00:18,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:00:18 BoogieIcfgContainer [2020-11-28 03:00:18,263 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:00:18,266 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:00:18,266 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:00:18,266 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:00:18,267 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:00:04" (3/4) ... [2020-11-28 03:00:18,270 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:00:18,270 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:00:18,273 INFO L168 Benchmark]: Toolchain (without parser) took 14941.91 ms. Allocated memory was 96.5 MB in the beginning and 207.6 MB in the end (delta: 111.1 MB). Free memory was 66.5 MB in the beginning and 126.6 MB in the end (delta: -60.1 MB). Peak memory consumption was 52.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:18,279 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 75.5 MB. Free memory was 42.5 MB in the beginning and 42.4 MB in the end (delta: 39.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:00:18,281 INFO L168 Benchmark]: CACSL2BoogieTranslator took 575.71 ms. Allocated memory is still 96.5 MB. Free memory was 66.2 MB in the beginning and 45.4 MB in the end (delta: 20.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:18,282 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.91 ms. Allocated memory is still 96.5 MB. Free memory was 45.4 MB in the beginning and 43.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:18,282 INFO L168 Benchmark]: Boogie Preprocessor took 63.08 ms. Allocated memory is still 96.5 MB. Free memory was 43.4 MB in the beginning and 74.9 MB in the end (delta: -31.5 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:18,283 INFO L168 Benchmark]: RCFGBuilder took 810.21 ms. Allocated memory is still 96.5 MB. Free memory was 74.9 MB in the beginning and 55.7 MB in the end (delta: 19.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:18,288 INFO L168 Benchmark]: BuchiAutomizer took 13402.27 ms. Allocated memory was 96.5 MB in the beginning and 207.6 MB in the end (delta: 111.1 MB). Free memory was 55.7 MB in the beginning and 126.6 MB in the end (delta: -70.9 MB). Peak memory consumption was 39.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:18,288 INFO L168 Benchmark]: Witness Printer took 4.68 ms. Allocated memory is still 207.6 MB. Free memory is still 126.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:00:18,294 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 75.5 MB. Free memory was 42.5 MB in the beginning and 42.4 MB in the end (delta: 39.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 575.71 ms. Allocated memory is still 96.5 MB. Free memory was 66.2 MB in the beginning and 45.4 MB in the end (delta: 20.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 76.91 ms. Allocated memory is still 96.5 MB. Free memory was 45.4 MB in the beginning and 43.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.08 ms. Allocated memory is still 96.5 MB. Free memory was 43.4 MB in the beginning and 74.9 MB in the end (delta: -31.5 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 810.21 ms. Allocated memory is still 96.5 MB. Free memory was 74.9 MB in the beginning and 55.7 MB in the end (delta: 19.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 13402.27 ms. Allocated memory was 96.5 MB in the beginning and 207.6 MB in the end (delta: 111.1 MB). Free memory was 55.7 MB in the beginning and 126.6 MB in the end (delta: -70.9 MB). Peak memory consumption was 39.4 MB. Max. memory is 16.1 GB. * Witness Printer took 4.68 ms. Allocated memory is still 207.6 MB. Free memory is still 126.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * d + unknown-#length-unknown[__builtin_alloca (in_len)] 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 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 13.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 12.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 27 states and ocurred in iteration 1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 51 SDtfs, 75 SDslu, 40 SDs, 0 SdLazy, 36 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital225 mio100 ax100 hnf97 lsp96 ukn81 mio100 lsp42 div156 bol100 ite100 ukn100 eq172 hnf71 smp97 dnf100 smp100 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...