./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-libowfat/strlcpy.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-libowfat/strlcpy.i -s /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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 fd4754e908bed6ae29d10e34d903201d1cfa0296 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 16:39:02,175 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:39:02,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:39:02,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:39:02,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:39:02,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:39:02,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:39:02,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:39:02,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:39:02,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:39:02,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:39:02,193 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:39:02,193 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:39:02,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:39:02,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:39:02,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:39:02,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:39:02,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:39:02,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:39:02,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:39:02,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:39:02,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:39:02,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:39:02,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:39:02,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:39:02,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:39:02,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:39:02,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:39:02,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:39:02,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:39:02,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:39:02,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:39:02,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:39:02,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:39:02,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:39:02,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:39:02,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:39:02,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:39:02,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:39:02,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:39:02,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:39:02,214 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 16:39:02,228 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:39:02,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:39:02,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 16:39:02,229 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 16:39:02,229 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 16:39:02,229 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 16:39:02,229 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 16:39:02,229 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 16:39:02,229 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 16:39:02,230 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 16:39:02,230 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 16:39:02,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:39:02,230 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 16:39:02,230 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:39:02,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:39:02,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 16:39:02,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 16:39:02,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 16:39:02,231 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:39:02,231 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 16:39:02,231 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:39:02,231 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 16:39:02,232 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:39:02,232 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:39:02,232 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 16:39:02,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:39:02,232 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 16:39:02,232 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:39:02,232 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 16:39:02,233 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 16:39:02,233 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_823bc3e5-3a34-4ae3-9377-337555c1a066/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 -> fd4754e908bed6ae29d10e34d903201d1cfa0296 [2019-12-07 16:39:02,341 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:39:02,351 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:39:02,354 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:39:02,355 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:39:02,355 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:39:02,356 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/bin/uautomizer/../../sv-benchmarks/c/termination-libowfat/strlcpy.i [2019-12-07 16:39:02,401 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/bin/uautomizer/data/e1e1316cd/492824bd8ff64db08fa44a624458627b/FLAG6a334c46c [2019-12-07 16:39:02,798 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:39:02,798 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/sv-benchmarks/c/termination-libowfat/strlcpy.i [2019-12-07 16:39:02,807 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/bin/uautomizer/data/e1e1316cd/492824bd8ff64db08fa44a624458627b/FLAG6a334c46c [2019-12-07 16:39:03,177 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/bin/uautomizer/data/e1e1316cd/492824bd8ff64db08fa44a624458627b [2019-12-07 16:39:03,179 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:39:03,180 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:39:03,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:39:03,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:39:03,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:39:03,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:39:03" (1/1) ... [2019-12-07 16:39:03,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76129cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:39:03, skipping insertion in model container [2019-12-07 16:39:03,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:39:03" (1/1) ... [2019-12-07 16:39:03,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:39:03,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:39:03,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:39:03,439 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:39:03,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:39:03,500 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:39:03,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:39:03 WrapperNode [2019-12-07 16:39:03,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:39:03,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:39:03,501 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:39:03,501 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:39:03,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:39:03" (1/1) ... [2019-12-07 16:39:03,518 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:39:03" (1/1) ... [2019-12-07 16:39:03,532 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:39:03,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:39:03,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:39:03,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:39:03,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:39:03" (1/1) ... [2019-12-07 16:39:03,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:39:03" (1/1) ... [2019-12-07 16:39:03,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:39:03" (1/1) ... [2019-12-07 16:39:03,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:39:03" (1/1) ... [2019-12-07 16:39:03,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:39:03" (1/1) ... [2019-12-07 16:39:03,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:39:03" (1/1) ... [2019-12-07 16:39:03,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:39:03" (1/1) ... [2019-12-07 16:39:03,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:39:03,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:39:03,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:39:03,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:39:03,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:39:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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 [2019-12-07 16:39:03,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 16:39:03,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 16:39:03,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:39:03,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 16:39:03,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:39:03,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:39:03,765 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:39:03,765 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 16:39:03,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:39:03 BoogieIcfgContainer [2019-12-07 16:39:03,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:39:03,767 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 16:39:03,767 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 16:39:03,769 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 16:39:03,770 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 16:39:03,770 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 04:39:03" (1/3) ... [2019-12-07 16:39:03,771 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ec2e4cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 04:39:03, skipping insertion in model container [2019-12-07 16:39:03,771 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 16:39:03,771 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:39:03" (2/3) ... [2019-12-07 16:39:03,771 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ec2e4cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 04:39:03, skipping insertion in model container [2019-12-07 16:39:03,771 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 16:39:03,771 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:39:03" (3/3) ... [2019-12-07 16:39:03,772 INFO L371 chiAutomizerObserver]: Analyzing ICFG strlcpy.i [2019-12-07 16:39:03,801 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 16:39:03,801 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 16:39:03,801 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 16:39:03,801 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:39:03,802 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:39:03,802 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 16:39:03,802 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:39:03,802 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 16:39:03,811 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2019-12-07 16:39:03,825 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-12-07 16:39:03,825 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:39:03,825 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:39:03,830 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 16:39:03,830 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 16:39:03,830 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 16:39:03,830 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2019-12-07 16:39:03,831 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-12-07 16:39:03,831 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:39:03,831 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:39:03,832 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 16:39:03,832 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 16:39:03,837 INFO L794 eck$LassoCheckResult]: Stem: 17#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 14#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, 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~nondet10;havoc main_#t~nondet10; 19#L530true assume !(main_~in_len~0 < 1);call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc11.base, main_#t~malloc11.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~nondet12;havoc main_#t~nondet12; 9#L534true assume !(main_~out_len~0 < 1);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;strlcpy_#in~dst.base, strlcpy_#in~dst.offset, strlcpy_#in~src.base, strlcpy_#in~src.offset, strlcpy_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcpy_#res;havoc strlcpy_#t~pre2, strlcpy_#t~short3, strlcpy_#t~post5.base, strlcpy_#t~post5.offset, strlcpy_#t~post6.base, strlcpy_#t~post6.offset, strlcpy_#t~mem7, strlcpy_#t~pre4, strlcpy_#t~post8.base, strlcpy_#t~post8.offset, strlcpy_#t~mem9, strlcpy_~dst.base, strlcpy_~dst.offset, strlcpy_~src.base, strlcpy_~src.offset, strlcpy_~siz, strlcpy_~d~0.base, strlcpy_~d~0.offset, strlcpy_~s~0.base, strlcpy_~s~0.offset, strlcpy_~n~0;strlcpy_~dst.base, strlcpy_~dst.offset := strlcpy_#in~dst.base, strlcpy_#in~dst.offset;strlcpy_~src.base, strlcpy_~src.offset := strlcpy_#in~src.base, strlcpy_#in~src.offset;strlcpy_~siz := strlcpy_#in~siz;strlcpy_~d~0.base, strlcpy_~d~0.offset := strlcpy_~dst.base, strlcpy_~dst.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_~src.base, strlcpy_~src.offset;strlcpy_~n~0 := strlcpy_~siz;strlcpy_#t~short3 := 0 != strlcpy_~n~0 % 4294967296; 6#L514true assume strlcpy_#t~short3;strlcpy_#t~pre2 := strlcpy_~n~0 - 1;strlcpy_~n~0 := strlcpy_~n~0 - 1;strlcpy_#t~short3 := 0 != strlcpy_#t~pre2 % 4294967296; 11#L514-2true assume strlcpy_#t~short3;havoc strlcpy_#t~pre2;havoc strlcpy_#t~short3; 12#L515-4true [2019-12-07 16:39:03,837 INFO L796 eck$LassoCheckResult]: Loop: 12#L515-4true strlcpy_#t~post5.base, strlcpy_#t~post5.offset := strlcpy_~d~0.base, strlcpy_~d~0.offset;strlcpy_~d~0.base, strlcpy_~d~0.offset := strlcpy_#t~post5.base, 1 + strlcpy_#t~post5.offset;strlcpy_#t~post6.base, strlcpy_#t~post6.offset := strlcpy_~s~0.base, strlcpy_~s~0.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_#t~post6.base, 1 + strlcpy_#t~post6.offset;call strlcpy_#t~mem7 := read~int(strlcpy_#t~post6.base, strlcpy_#t~post6.offset, 1);call write~int(strlcpy_#t~mem7, strlcpy_#t~post5.base, strlcpy_#t~post5.offset, 1); 3#L516true assume !(0 == strlcpy_#t~mem7);havoc strlcpy_#t~post6.base, strlcpy_#t~post6.offset;havoc strlcpy_#t~post5.base, strlcpy_#t~post5.offset;havoc strlcpy_#t~mem7; 7#L515-1true strlcpy_#t~pre4 := strlcpy_~n~0 - 1;strlcpy_~n~0 := strlcpy_~n~0 - 1; 8#L515-2true assume !!(0 != strlcpy_#t~pre4 % 4294967296);havoc strlcpy_#t~pre4; 12#L515-4true [2019-12-07 16:39:03,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:39:03,841 INFO L82 PathProgramCache]: Analyzing trace with hash 889571278, now seen corresponding path program 1 times [2019-12-07 16:39:03,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:39:03,846 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198018333] [2019-12-07 16:39:03,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:39:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:39:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:39:03,967 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:39:03,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:39:03,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1698155, now seen corresponding path program 1 times [2019-12-07 16:39:03,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:39:03,968 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455398240] [2019-12-07 16:39:03,969 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:39:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:39:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:39:03,987 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:39:03,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:39:03,988 INFO L82 PathProgramCache]: Analyzing trace with hash 707592888, now seen corresponding path program 1 times [2019-12-07 16:39:03,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:39:03,988 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418584771] [2019-12-07 16:39:03,989 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:39:04,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:39:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:39:04,047 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:39:04,558 WARN L192 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 108 [2019-12-07 16:39:04,689 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-12-07 16:39:04,700 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 16:39:04,701 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 16:39:04,701 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 16:39:04,701 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 16:39:04,701 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 16:39:04,701 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:39:04,702 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 16:39:04,702 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 16:39:04,702 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcpy.i_Iteration1_Lasso [2019-12-07 16:39:04,702 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 16:39:04,702 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 16:39:04,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:04,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:04,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:04,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:04,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:05,041 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 85 [2019-12-07 16:39:05,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:05,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:05,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:05,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:05,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:05,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:05,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:05,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:05,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:05,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:05,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:05,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:05,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:05,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:05,376 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-12-07 16:39:05,662 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 16:39:05,665 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:39:05,669 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 [2019-12-07 16:39:05,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:39:05,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:39:05,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:39:05,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:39:05,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:39:05,673 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:39:05,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:39:05,676 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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 [2019-12-07 16:39:05,680 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 [2019-12-07 16:39:05,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:39:05,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:39:05,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:39:05,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:39:05,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:39:05,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:39:05,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:39:05,684 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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 [2019-12-07 16:39:05,688 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 [2019-12-07 16:39:05,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:39:05,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:39:05,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:39:05,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:39:05,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:39:05,690 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:39:05,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:39:05,691 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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 [2019-12-07 16:39:05,701 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 [2019-12-07 16:39:05,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:39:05,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:39:05,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:39:05,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:39:05,704 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:39:05,704 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:39:05,707 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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 [2019-12-07 16:39:05,711 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 [2019-12-07 16:39:05,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:39:05,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:39:05,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:39:05,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:39:05,719 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:39:05,719 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:39:05,728 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 16:39:05,775 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2019-12-07 16:39:05,776 INFO L444 ModelExtractionUtils]: 6 out of 28 variables were initially zero. Simplification set additionally 19 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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 [2019-12-07 16:39:05,783 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 16:39:05,786 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 16:39:05,786 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 16:39:05,787 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strlcpy_~d~0.offset, v_rep(select #length ULTIMATE.start_strlcpy_~d~0.base)_1) = -1*ULTIMATE.start_strlcpy_~d~0.offset + 1*v_rep(select #length ULTIMATE.start_strlcpy_~d~0.base)_1 Supporting invariants [] [2019-12-07 16:39:05,829 INFO L297 tatePredicateManager]: 13 out of 13 supporting invariants were superfluous and have been removed [2019-12-07 16:39:05,835 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 16:39:05,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:39:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:39:05,868 INFO L264 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:39:05,869 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:39:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:39:05,882 INFO L264 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 16:39:05,882 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:39:05,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:39:05,908 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 16:39:05,909 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states. Second operand 3 states. [2019-12-07 16:39:05,947 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states.. Second operand 3 states. Result 52 states and 74 transitions. Complement of second has 5 states. [2019-12-07 16:39:05,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 16:39:05,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 16:39:05,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 55 transitions. [2019-12-07 16:39:05,950 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 55 transitions. Stem has 6 letters. Loop has 4 letters. [2019-12-07 16:39:05,951 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:39:05,951 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 55 transitions. Stem has 10 letters. Loop has 4 letters. [2019-12-07 16:39:05,951 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:39:05,952 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 55 transitions. Stem has 6 letters. Loop has 8 letters. [2019-12-07 16:39:05,952 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:39:05,952 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 74 transitions. [2019-12-07 16:39:05,956 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-12-07 16:39:05,959 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 22 states and 28 transitions. [2019-12-07 16:39:05,960 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-12-07 16:39:05,960 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2019-12-07 16:39:05,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 28 transitions. [2019-12-07 16:39:05,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 16:39:05,961 INFO L688 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2019-12-07 16:39:05,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 28 transitions. [2019-12-07 16:39:05,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 17. [2019-12-07 16:39:05,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-07 16:39:05,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2019-12-07 16:39:05,979 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2019-12-07 16:39:05,979 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2019-12-07 16:39:05,979 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 16:39:05,980 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2019-12-07 16:39:05,980 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 16:39:05,980 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:39:05,980 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:39:05,981 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:39:05,981 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 16:39:05,981 INFO L794 eck$LassoCheckResult]: Stem: 193#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 191#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, 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~nondet10;havoc main_#t~nondet10; 192#L530 assume !(main_~in_len~0 < 1);call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc11.base, main_#t~malloc11.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~nondet12;havoc main_#t~nondet12; 186#L534 assume !(main_~out_len~0 < 1);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;strlcpy_#in~dst.base, strlcpy_#in~dst.offset, strlcpy_#in~src.base, strlcpy_#in~src.offset, strlcpy_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcpy_#res;havoc strlcpy_#t~pre2, strlcpy_#t~short3, strlcpy_#t~post5.base, strlcpy_#t~post5.offset, strlcpy_#t~post6.base, strlcpy_#t~post6.offset, strlcpy_#t~mem7, strlcpy_#t~pre4, strlcpy_#t~post8.base, strlcpy_#t~post8.offset, strlcpy_#t~mem9, strlcpy_~dst.base, strlcpy_~dst.offset, strlcpy_~src.base, strlcpy_~src.offset, strlcpy_~siz, strlcpy_~d~0.base, strlcpy_~d~0.offset, strlcpy_~s~0.base, strlcpy_~s~0.offset, strlcpy_~n~0;strlcpy_~dst.base, strlcpy_~dst.offset := strlcpy_#in~dst.base, strlcpy_#in~dst.offset;strlcpy_~src.base, strlcpy_~src.offset := strlcpy_#in~src.base, strlcpy_#in~src.offset;strlcpy_~siz := strlcpy_#in~siz;strlcpy_~d~0.base, strlcpy_~d~0.offset := strlcpy_~dst.base, strlcpy_~dst.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_~src.base, strlcpy_~src.offset;strlcpy_~n~0 := strlcpy_~siz;strlcpy_#t~short3 := 0 != strlcpy_~n~0 % 4294967296; 183#L514 assume strlcpy_#t~short3;strlcpy_#t~pre2 := strlcpy_~n~0 - 1;strlcpy_~n~0 := strlcpy_~n~0 - 1;strlcpy_#t~short3 := 0 != strlcpy_#t~pre2 % 4294967296; 184#L514-2 assume !strlcpy_#t~short3;havoc strlcpy_#t~pre2;havoc strlcpy_#t~short3; 178#L514-3 assume 0 == strlcpy_~n~0 % 4294967296; 190#L521 assume !(0 != strlcpy_~siz % 4294967296); 188#L523-2 [2019-12-07 16:39:05,981 INFO L796 eck$LassoCheckResult]: Loop: 188#L523-2 strlcpy_#t~post8.base, strlcpy_#t~post8.offset := strlcpy_~s~0.base, strlcpy_~s~0.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_#t~post8.base, 1 + strlcpy_#t~post8.offset;call strlcpy_#t~mem9 := read~int(strlcpy_#t~post8.base, strlcpy_#t~post8.offset, 1); 187#L523 assume !!(0 != strlcpy_#t~mem9);havoc strlcpy_#t~post8.base, strlcpy_#t~post8.offset;havoc strlcpy_#t~mem9; 188#L523-2 [2019-12-07 16:39:05,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:39:05,981 INFO L82 PathProgramCache]: Analyzing trace with hash 179527912, now seen corresponding path program 1 times [2019-12-07 16:39:05,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:39:05,982 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260961948] [2019-12-07 16:39:05,982 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:39:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:39:06,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:39:06,062 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260961948] [2019-12-07 16:39:06,063 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:39:06,063 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 16:39:06,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895425500] [2019-12-07 16:39:06,065 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 16:39:06,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:39:06,065 INFO L82 PathProgramCache]: Analyzing trace with hash 2758, now seen corresponding path program 1 times [2019-12-07 16:39:06,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:39:06,066 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050749552] [2019-12-07 16:39:06,066 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:39:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:39:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:39:06,072 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:39:06,094 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:39:06,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:39:06,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:39:06,097 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. cyclomatic complexity: 7 Second operand 4 states. [2019-12-07 16:39:06,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:39:06,149 INFO L93 Difference]: Finished difference Result 29 states and 37 transitions. [2019-12-07 16:39:06,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 16:39:06,150 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 37 transitions. [2019-12-07 16:39:06,151 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2019-12-07 16:39:06,151 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 29 states and 37 transitions. [2019-12-07 16:39:06,151 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2019-12-07 16:39:06,151 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2019-12-07 16:39:06,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 37 transitions. [2019-12-07 16:39:06,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 16:39:06,152 INFO L688 BuchiCegarLoop]: Abstraction has 29 states and 37 transitions. [2019-12-07 16:39:06,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 37 transitions. [2019-12-07 16:39:06,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 20. [2019-12-07 16:39:06,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-12-07 16:39:06,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2019-12-07 16:39:06,154 INFO L711 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2019-12-07 16:39:06,154 INFO L591 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2019-12-07 16:39:06,154 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 16:39:06,154 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2019-12-07 16:39:06,154 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 16:39:06,155 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:39:06,155 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:39:06,156 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:39:06,156 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 16:39:06,156 INFO L794 eck$LassoCheckResult]: Stem: 249#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 247#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, 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~nondet10;havoc main_#t~nondet10; 248#L530 assume !(main_~in_len~0 < 1);call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc11.base, main_#t~malloc11.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~nondet12;havoc main_#t~nondet12; 242#L534 assume !(main_~out_len~0 < 1);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;strlcpy_#in~dst.base, strlcpy_#in~dst.offset, strlcpy_#in~src.base, strlcpy_#in~src.offset, strlcpy_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcpy_#res;havoc strlcpy_#t~pre2, strlcpy_#t~short3, strlcpy_#t~post5.base, strlcpy_#t~post5.offset, strlcpy_#t~post6.base, strlcpy_#t~post6.offset, strlcpy_#t~mem7, strlcpy_#t~pre4, strlcpy_#t~post8.base, strlcpy_#t~post8.offset, strlcpy_#t~mem9, strlcpy_~dst.base, strlcpy_~dst.offset, strlcpy_~src.base, strlcpy_~src.offset, strlcpy_~siz, strlcpy_~d~0.base, strlcpy_~d~0.offset, strlcpy_~s~0.base, strlcpy_~s~0.offset, strlcpy_~n~0;strlcpy_~dst.base, strlcpy_~dst.offset := strlcpy_#in~dst.base, strlcpy_#in~dst.offset;strlcpy_~src.base, strlcpy_~src.offset := strlcpy_#in~src.base, strlcpy_#in~src.offset;strlcpy_~siz := strlcpy_#in~siz;strlcpy_~d~0.base, strlcpy_~d~0.offset := strlcpy_~dst.base, strlcpy_~dst.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_~src.base, strlcpy_~src.offset;strlcpy_~n~0 := strlcpy_~siz;strlcpy_#t~short3 := 0 != strlcpy_~n~0 % 4294967296; 236#L514 assume !strlcpy_#t~short3; 237#L514-2 assume !strlcpy_#t~short3;havoc strlcpy_#t~pre2;havoc strlcpy_#t~short3; 251#L514-3 assume 0 == strlcpy_~n~0 % 4294967296; 250#L521 assume !(0 != strlcpy_~siz % 4294967296); 244#L523-2 [2019-12-07 16:39:06,156 INFO L796 eck$LassoCheckResult]: Loop: 244#L523-2 strlcpy_#t~post8.base, strlcpy_#t~post8.offset := strlcpy_~s~0.base, strlcpy_~s~0.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_#t~post8.base, 1 + strlcpy_#t~post8.offset;call strlcpy_#t~mem9 := read~int(strlcpy_#t~post8.base, strlcpy_#t~post8.offset, 1); 243#L523 assume !!(0 != strlcpy_#t~mem9);havoc strlcpy_#t~post8.base, strlcpy_#t~post8.offset;havoc strlcpy_#t~mem9; 244#L523-2 [2019-12-07 16:39:06,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:39:06,157 INFO L82 PathProgramCache]: Analyzing trace with hash 179587494, now seen corresponding path program 1 times [2019-12-07 16:39:06,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:39:06,157 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293875337] [2019-12-07 16:39:06,157 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:39:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:39:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:39:06,177 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:39:06,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:39:06,177 INFO L82 PathProgramCache]: Analyzing trace with hash 2758, now seen corresponding path program 2 times [2019-12-07 16:39:06,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:39:06,177 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639720843] [2019-12-07 16:39:06,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:39:06,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:39:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:39:06,183 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:39:06,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:39:06,183 INFO L82 PathProgramCache]: Analyzing trace with hash 784891691, now seen corresponding path program 1 times [2019-12-07 16:39:06,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:39:06,183 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276077964] [2019-12-07 16:39:06,183 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:39:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:39:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:39:06,204 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:39:06,470 WARN L192 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 99 [2019-12-07 16:39:06,553 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 16:39:06,553 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 16:39:06,553 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 16:39:06,553 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 16:39:06,553 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 16:39:06,553 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:39:06,553 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 16:39:06,553 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 16:39:06,553 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcpy.i_Iteration3_Lasso [2019-12-07 16:39:06,553 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 16:39:06,553 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 16:39:06,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:06,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:06,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:06,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:06,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:06,725 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2019-12-07 16:39:06,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:06,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:06,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:06,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:06,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:06,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:06,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:06,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:06,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:06,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:06,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:06,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:06,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:06,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:07,061 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 16:39:07,062 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:39:07,064 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 [2019-12-07 16:39:07,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:39:07,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:39:07,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:39:07,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:39:07,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:39:07,066 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:39:07,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:39:07,068 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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 [2019-12-07 16:39:07,072 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 [2019-12-07 16:39:07,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:39:07,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:39:07,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:39:07,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:39:07,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:39:07,074 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:39:07,074 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:39:07,075 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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 [2019-12-07 16:39:07,079 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 [2019-12-07 16:39:07,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:39:07,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:39:07,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:39:07,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:39:07,082 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:39:07,082 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:39:07,084 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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 [2019-12-07 16:39:07,088 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 [2019-12-07 16:39:07,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:39:07,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:39:07,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:39:07,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:39:07,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:39:07,090 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:39:07,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:39:07,091 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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 [2019-12-07 16:39:07,096 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 [2019-12-07 16:39:07,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:39:07,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:39:07,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:39:07,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:39:07,098 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:39:07,098 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:39:07,101 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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 [2019-12-07 16:39:07,106 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 [2019-12-07 16:39:07,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:39:07,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:39:07,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:39:07,107 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 16:39:07,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:39:07,108 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 16:39:07,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:39:07,110 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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 [2019-12-07 16:39:07,115 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 [2019-12-07 16:39:07,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:39:07,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:39:07,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:39:07,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:39:07,119 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:39:07,119 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:39:07,124 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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 [2019-12-07 16:39:07,128 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 [2019-12-07 16:39:07,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:39:07,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:39:07,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:39:07,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:39:07,131 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:39:07,131 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:39:07,134 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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 [2019-12-07 16:39:07,139 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 [2019-12-07 16:39:07,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:39:07,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:39:07,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:39:07,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:39:07,144 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:39:07,144 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:39:07,149 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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 [2019-12-07 16:39:07,153 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 [2019-12-07 16:39:07,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:39:07,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:39:07,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:39:07,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:39:07,157 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:39:07,157 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:39:07,159 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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 [2019-12-07 16:39:07,163 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 [2019-12-07 16:39:07,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:39:07,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:39:07,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:39:07,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:39:07,167 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:39:07,167 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:39:07,170 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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 [2019-12-07 16:39:07,174 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 [2019-12-07 16:39:07,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:39:07,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:39:07,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:39:07,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:39:07,179 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:39:07,179 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:39:07,188 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:39:07,192 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 [2019-12-07 16:39:07,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:39:07,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:39:07,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:39:07,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:39:07,198 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:39:07,198 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:39:07,210 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 16:39:07,221 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-12-07 16:39:07,221 INFO L444 ModelExtractionUtils]: 29 out of 37 variables were initially zero. Simplification set additionally 5 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:39:07,224 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 16:39:07,226 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 16:39:07,226 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 16:39:07,226 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_strlcpy_~s~0.base)_2, ULTIMATE.start_strlcpy_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_strlcpy_~s~0.base)_2 - 1*ULTIMATE.start_strlcpy_~s~0.offset Supporting invariants [] [2019-12-07 16:39:07,253 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2019-12-07 16:39:07,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 16:39:07,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:39:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:39:07,272 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:39:07,272 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:39:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:39:07,276 WARN L262 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 16:39:07,277 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:39:07,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:39:07,285 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 16:39:07,285 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-12-07 16:39:07,289 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 24 states and 30 transitions. Complement of second has 4 states. [2019-12-07 16:39:07,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 16:39:07,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 16:39:07,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2019-12-07 16:39:07,290 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 8 letters. Loop has 2 letters. [2019-12-07 16:39:07,290 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:39:07,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 10 letters. Loop has 2 letters. [2019-12-07 16:39:07,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:39:07,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 8 letters. Loop has 4 letters. [2019-12-07 16:39:07,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:39:07,291 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2019-12-07 16:39:07,292 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 16:39:07,292 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 20 states and 25 transitions. [2019-12-07 16:39:07,292 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-12-07 16:39:07,292 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2019-12-07 16:39:07,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2019-12-07 16:39:07,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 16:39:07,293 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2019-12-07 16:39:07,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2019-12-07 16:39:07,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2019-12-07 16:39:07,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-07 16:39:07,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2019-12-07 16:39:07,294 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-12-07 16:39:07,294 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-12-07 16:39:07,294 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 16:39:07,294 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2019-12-07 16:39:07,294 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 16:39:07,295 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:39:07,295 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:39:07,295 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:39:07,295 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 16:39:07,295 INFO L794 eck$LassoCheckResult]: Stem: 370#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 368#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, 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~nondet10;havoc main_#t~nondet10; 369#L530 assume !(main_~in_len~0 < 1);call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc11.base, main_#t~malloc11.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~nondet12;havoc main_#t~nondet12; 363#L534 assume !(main_~out_len~0 < 1);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;strlcpy_#in~dst.base, strlcpy_#in~dst.offset, strlcpy_#in~src.base, strlcpy_#in~src.offset, strlcpy_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcpy_#res;havoc strlcpy_#t~pre2, strlcpy_#t~short3, strlcpy_#t~post5.base, strlcpy_#t~post5.offset, strlcpy_#t~post6.base, strlcpy_#t~post6.offset, strlcpy_#t~mem7, strlcpy_#t~pre4, strlcpy_#t~post8.base, strlcpy_#t~post8.offset, strlcpy_#t~mem9, strlcpy_~dst.base, strlcpy_~dst.offset, strlcpy_~src.base, strlcpy_~src.offset, strlcpy_~siz, strlcpy_~d~0.base, strlcpy_~d~0.offset, strlcpy_~s~0.base, strlcpy_~s~0.offset, strlcpy_~n~0;strlcpy_~dst.base, strlcpy_~dst.offset := strlcpy_#in~dst.base, strlcpy_#in~dst.offset;strlcpy_~src.base, strlcpy_~src.offset := strlcpy_#in~src.base, strlcpy_#in~src.offset;strlcpy_~siz := strlcpy_#in~siz;strlcpy_~d~0.base, strlcpy_~d~0.offset := strlcpy_~dst.base, strlcpy_~dst.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_~src.base, strlcpy_~src.offset;strlcpy_~n~0 := strlcpy_~siz;strlcpy_#t~short3 := 0 != strlcpy_~n~0 % 4294967296; 358#L514 assume strlcpy_#t~short3;strlcpy_#t~pre2 := strlcpy_~n~0 - 1;strlcpy_~n~0 := strlcpy_~n~0 - 1;strlcpy_#t~short3 := 0 != strlcpy_#t~pre2 % 4294967296; 359#L514-2 assume !strlcpy_#t~short3;havoc strlcpy_#t~pre2;havoc strlcpy_#t~short3; 355#L514-3 assume 0 == strlcpy_~n~0 % 4294967296; 367#L521 assume 0 != strlcpy_~siz % 4294967296;call write~int(0, strlcpy_~d~0.base, strlcpy_~d~0.offset, 1); 365#L523-2 [2019-12-07 16:39:07,295 INFO L796 eck$LassoCheckResult]: Loop: 365#L523-2 strlcpy_#t~post8.base, strlcpy_#t~post8.offset := strlcpy_~s~0.base, strlcpy_~s~0.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_#t~post8.base, 1 + strlcpy_#t~post8.offset;call strlcpy_#t~mem9 := read~int(strlcpy_#t~post8.base, strlcpy_#t~post8.offset, 1); 364#L523 assume !!(0 != strlcpy_#t~mem9);havoc strlcpy_#t~post8.base, strlcpy_#t~post8.offset;havoc strlcpy_#t~mem9; 365#L523-2 [2019-12-07 16:39:07,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:39:07,295 INFO L82 PathProgramCache]: Analyzing trace with hash 179527910, now seen corresponding path program 1 times [2019-12-07 16:39:07,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:39:07,295 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963709236] [2019-12-07 16:39:07,296 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:39:07,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:39:07,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:39:07,320 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:39:07,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:39:07,320 INFO L82 PathProgramCache]: Analyzing trace with hash 2758, now seen corresponding path program 3 times [2019-12-07 16:39:07,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:39:07,320 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307682042] [2019-12-07 16:39:07,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:39:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:39:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:39:07,326 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:39:07,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:39:07,327 INFO L82 PathProgramCache]: Analyzing trace with hash 727631467, now seen corresponding path program 1 times [2019-12-07 16:39:07,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:39:07,327 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56727118] [2019-12-07 16:39:07,327 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:39:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:39:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:39:07,361 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:39:07,652 WARN L192 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 110 [2019-12-07 16:39:07,740 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 16:39:07,740 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 16:39:07,740 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 16:39:07,740 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 16:39:07,740 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 16:39:07,740 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:39:07,740 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 16:39:07,740 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 16:39:07,740 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcpy.i_Iteration4_Lasso [2019-12-07 16:39:07,740 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 16:39:07,740 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 16:39:07,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:07,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:07,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:07,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:07,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:07,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:07,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:07,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:07,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:07,936 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-12-07 16:39:07,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:07,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:07,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:07,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:07,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:07,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:07,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:07,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:07,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:07,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:39:08,288 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 16:39:08,288 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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 [2019-12-07 16:39:08,292 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 [2019-12-07 16:39:08,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:39:08,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:39:08,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:39:08,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:39:08,295 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:39:08,295 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:39:08,298 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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 [2019-12-07 16:39:08,305 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 [2019-12-07 16:39:08,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:39:08,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:39:08,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:39:08,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:39:08,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:39:08,307 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:39:08,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:39:08,309 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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 [2019-12-07 16:39:08,312 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 [2019-12-07 16:39:08,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:39:08,313 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:39:08,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:39:08,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:39:08,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:39:08,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:39:08,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:39:08,315 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:39:08,319 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 [2019-12-07 16:39:08,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:39:08,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:39:08,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:39:08,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:39:08,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:39:08,321 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:39:08,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:39:08,323 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:39:08,326 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 [2019-12-07 16:39:08,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:39:08,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:39:08,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:39:08,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:39:08,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:39:08,328 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:39:08,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:39:08,329 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:39:08,333 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 [2019-12-07 16:39:08,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:39:08,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:39:08,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:39:08,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:39:08,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:39:08,334 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:39:08,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:39:08,336 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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 [2019-12-07 16:39:08,339 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 [2019-12-07 16:39:08,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:39:08,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:39:08,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:39:08,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:39:08,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:39:08,341 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:39:08,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:39:08,342 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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 [2019-12-07 16:39:08,351 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 [2019-12-07 16:39:08,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:39:08,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:39:08,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:39:08,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:39:08,353 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:39:08,353 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:39:08,355 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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 [2019-12-07 16:39:08,359 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 [2019-12-07 16:39:08,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:39:08,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:39:08,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:39:08,360 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 16:39:08,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:39:08,361 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 16:39:08,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:39:08,362 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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 [2019-12-07 16:39:08,366 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 [2019-12-07 16:39:08,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:39:08,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:39:08,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:39:08,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:39:08,371 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:39:08,371 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:39:08,380 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:39:08,383 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 [2019-12-07 16:39:08,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:39:08,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:39:08,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:39:08,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:39:08,386 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:39:08,387 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:39:08,391 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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 [2019-12-07 16:39:08,394 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 [2019-12-07 16:39:08,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:39:08,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:39:08,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:39:08,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:39:08,396 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:39:08,396 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:39:08,399 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:39:08,403 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 [2019-12-07 16:39:08,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:39:08,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:39:08,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:39:08,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:39:08,409 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:39:08,409 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:39:08,421 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 16:39:08,438 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2019-12-07 16:39:08,439 INFO L444 ModelExtractionUtils]: 26 out of 37 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_823bc3e5-3a34-4ae3-9377-337555c1a066/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) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:39:08,441 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 16:39:08,444 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 16:39:08,444 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 16:39:08,444 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_3, ULTIMATE.start_strlcpy_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_3 - 1*ULTIMATE.start_strlcpy_~s~0.offset Supporting invariants [] [2019-12-07 16:39:08,462 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2019-12-07 16:39:08,463 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 16:39:08,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:39:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:39:08,488 INFO L264 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 16:39:08,488 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:39:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:39:08,493 WARN L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 16:39:08,493 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:39:08,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:39:08,508 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 [2019-12-07 16:39:08,508 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand 4 states. [2019-12-07 16:39:08,529 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6. Second operand 4 states. Result 19 states and 23 transitions. Complement of second has 5 states. [2019-12-07 16:39:08,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 16:39:08,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 16:39:08,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2019-12-07 16:39:08,530 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 8 letters. Loop has 2 letters. [2019-12-07 16:39:08,530 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:39:08,530 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 10 letters. Loop has 2 letters. [2019-12-07 16:39:08,532 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:39:08,532 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 8 letters. Loop has 4 letters. [2019-12-07 16:39:08,532 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:39:08,532 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 23 transitions. [2019-12-07 16:39:08,532 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 16:39:08,533 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2019-12-07 16:39:08,533 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 16:39:08,533 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 16:39:08,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 16:39:08,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 16:39:08,533 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:39:08,533 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:39:08,533 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:39:08,533 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 16:39:08,533 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 16:39:08,533 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 16:39:08,533 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 16:39:08,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 04:39:08 BoogieIcfgContainer [2019-12-07 16:39:08,537 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 16:39:08,538 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:39:08,538 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:39:08,538 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:39:08,538 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:39:03" (3/4) ... [2019-12-07 16:39:08,541 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 16:39:08,541 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:39:08,542 INFO L168 Benchmark]: Toolchain (without parser) took 5362.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 215.0 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -207.6 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:39:08,543 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:39:08,543 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.2 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -140.0 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:39:08,543 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.96 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:39:08,544 INFO L168 Benchmark]: Boogie Preprocessor took 18.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:39:08,544 INFO L168 Benchmark]: RCFGBuilder took 214.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 16:39:08,545 INFO L168 Benchmark]: BuchiAutomizer took 4770.34 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -96.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2019-12-07 16:39:08,545 INFO L168 Benchmark]: Witness Printer took 3.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:39:08,547 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 319.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.2 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -140.0 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.96 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 214.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4770.34 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -96.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 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 4 terminating modules (1 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * d + unknown-#length-unknown[d] and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[s] + -1 * s and consists of 3 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (out_len)] + -1 * s and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.7s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 4.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 17 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 20 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 88 SDtfs, 89 SDslu, 34 SDs, 0 SdLazy, 31 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital206 mio100 ax100 hnf99 lsp97 ukn84 mio100 lsp39 div189 bol100 ite100 ukn100 eq174 hnf66 smp94 dnf100 smp100 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms 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...