./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcpy-alloca-1.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_37b593f0-ee6b-49e1-a9f4-21187d1c5a6d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_37b593f0-ee6b-49e1-a9f4-21187d1c5a6d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_37b593f0-ee6b-49e1-a9f4-21187d1c5a6d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_37b593f0-ee6b-49e1-a9f4-21187d1c5a6d/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcpy-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_37b593f0-ee6b-49e1-a9f4-21187d1c5a6d/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_37b593f0-ee6b-49e1-a9f4-21187d1c5a6d/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 86041c6ad59cce2f98747ca89872b3c90a73ab21 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 17:30:42,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:30:42,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:30:42,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:30:42,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:30:42,097 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:30:42,098 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:30:42,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:30:42,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:30:42,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:30:42,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:30:42,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:30:42,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:30:42,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:30:42,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:30:42,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:30:42,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:30:42,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:30:42,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:30:42,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:30:42,110 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:30:42,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:30:42,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:30:42,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:30:42,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:30:42,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:30:42,114 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:30:42,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:30:42,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:30:42,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:30:42,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:30:42,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:30:42,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:30:42,117 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:30:42,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:30:42,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:30:42,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:30:42,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:30:42,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:30:42,119 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:30:42,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:30:42,120 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_37b593f0-ee6b-49e1-a9f4-21187d1c5a6d/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 17:30:42,131 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:30:42,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:30:42,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:30:42,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:30:42,132 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:30:42,132 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 17:30:42,132 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 17:30:42,132 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 17:30:42,133 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 17:30:42,133 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 17:30:42,133 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 17:30:42,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:30:42,133 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 17:30:42,133 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:30:42,133 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:30:42,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 17:30:42,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 17:30:42,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 17:30:42,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:30:42,134 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 17:30:42,134 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:30:42,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 17:30:42,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:30:42,134 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:30:42,135 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 17:30:42,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:30:42,135 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:30:42,135 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:30:42,135 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 17:30:42,136 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 17:30:42,136 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_37b593f0-ee6b-49e1-a9f4-21187d1c5a6d/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 -> 86041c6ad59cce2f98747ca89872b3c90a73ab21 [2019-12-07 17:30:42,235 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:30:42,246 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:30:42,248 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:30:42,250 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:30:42,250 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:30:42,251 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_37b593f0-ee6b-49e1-a9f4-21187d1c5a6d/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcpy-alloca-1.i [2019-12-07 17:30:42,298 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_37b593f0-ee6b-49e1-a9f4-21187d1c5a6d/bin/uautomizer/data/819b82dea/c70f21a25ea24bd9a5f32c58ddfc96a7/FLAG66d5e8c47 [2019-12-07 17:30:42,660 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:30:42,660 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_37b593f0-ee6b-49e1-a9f4-21187d1c5a6d/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcpy-alloca-1.i [2019-12-07 17:30:42,669 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_37b593f0-ee6b-49e1-a9f4-21187d1c5a6d/bin/uautomizer/data/819b82dea/c70f21a25ea24bd9a5f32c58ddfc96a7/FLAG66d5e8c47 [2019-12-07 17:30:42,677 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_37b593f0-ee6b-49e1-a9f4-21187d1c5a6d/bin/uautomizer/data/819b82dea/c70f21a25ea24bd9a5f32c58ddfc96a7 [2019-12-07 17:30:42,679 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:30:42,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:30:42,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:30:42,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:30:42,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:30:42,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:30:42" (1/1) ... [2019-12-07 17:30:42,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@362cd1f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:42, skipping insertion in model container [2019-12-07 17:30:42,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:30:42" (1/1) ... [2019-12-07 17:30:42,690 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:30:42,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:30:42,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:30:42,916 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:30:42,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:30:42,970 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:30:42,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:42 WrapperNode [2019-12-07 17:30:42,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:30:42,971 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:30:42,971 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:30:42,972 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:30:42,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:42" (1/1) ... [2019-12-07 17:30:42,989 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:42" (1/1) ... [2019-12-07 17:30:43,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:30:43,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:30:43,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:30:43,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:30:43,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:42" (1/1) ... [2019-12-07 17:30:43,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:42" (1/1) ... [2019-12-07 17:30:43,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:42" (1/1) ... [2019-12-07 17:30:43,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:42" (1/1) ... [2019-12-07 17:30:43,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:42" (1/1) ... [2019-12-07 17:30:43,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:42" (1/1) ... [2019-12-07 17:30:43,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:42" (1/1) ... [2019-12-07 17:30:43,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:30:43,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:30:43,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:30:43,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:30:43,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37b593f0-ee6b-49e1-a9f4-21187d1c5a6d/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 17:30:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 17:30:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 17:30:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:30:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:30:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:30:43,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:30:43,213 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:30:43,213 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 17:30:43,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:30:43 BoogieIcfgContainer [2019-12-07 17:30:43,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:30:43,214 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 17:30:43,214 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 17:30:43,216 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 17:30:43,217 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:30:43,217 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 05:30:42" (1/3) ... [2019-12-07 17:30:43,218 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@655e9540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:30:43, skipping insertion in model container [2019-12-07 17:30:43,218 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:30:43,218 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:30:42" (2/3) ... [2019-12-07 17:30:43,218 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@655e9540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:30:43, skipping insertion in model container [2019-12-07 17:30:43,218 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:30:43,218 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:30:43" (3/3) ... [2019-12-07 17:30:43,219 INFO L371 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcpy-alloca-1.i [2019-12-07 17:30:43,247 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 17:30:43,248 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 17:30:43,248 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 17:30:43,248 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:30:43,248 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:30:43,248 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 17:30:43,248 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:30:43,248 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 17:30:43,257 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2019-12-07 17:30:43,270 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 17:30:43,270 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:30:43,270 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:30:43,274 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 17:30:43,274 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 17:30:43,274 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 17:30:43,275 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2019-12-07 17:30:43,275 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 17:30:43,276 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:30:43,276 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:30:43,276 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 17:30:43,276 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 17:30:43,281 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9.base, main_#t~ret9.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 6#L557true assume !(main_~length1~0 < 1); 8#L557-2true assume !(main_~length2~0 < 1); 15#L560-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~to.base, cstrcpy_#in~to.offset, cstrcpy_#in~from.base, cstrcpy_#in~from.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset, cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset, cstrcpy_#t~mem4, cstrcpy_~to.base, cstrcpy_~to.offset, cstrcpy_~from.base, cstrcpy_~from.offset, cstrcpy_~save~0.base, cstrcpy_~save~0.offset;cstrcpy_~to.base, cstrcpy_~to.offset := cstrcpy_#in~to.base, cstrcpy_#in~to.offset;cstrcpy_~from.base, cstrcpy_~from.offset := cstrcpy_#in~from.base, cstrcpy_#in~from.offset;cstrcpy_~save~0.base, cstrcpy_~save~0.offset := cstrcpy_~to.base, cstrcpy_~to.offset; 4#L551-4true [2019-12-07 17:30:43,281 INFO L796 eck$LassoCheckResult]: Loop: 4#L551-4true call cstrcpy_#t~mem4 := read~int(cstrcpy_~from.base, cstrcpy_~from.offset, 1);call write~int(cstrcpy_#t~mem4, cstrcpy_~to.base, cstrcpy_~to.offset, 1); 13#L551-1true assume !!(0 != cstrcpy_#t~mem4);havoc cstrcpy_#t~mem4; 3#L551-3true cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset := cstrcpy_~from.base, 1 + cstrcpy_~from.offset;cstrcpy_~from.base, cstrcpy_~from.offset := cstrcpy_~from.base, 1 + cstrcpy_~from.offset;havoc cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset;cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset := cstrcpy_~to.base, 1 + cstrcpy_~to.offset;cstrcpy_~to.base, cstrcpy_~to.offset := cstrcpy_~to.base, 1 + cstrcpy_~to.offset;havoc cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset; 4#L551-4true [2019-12-07 17:30:43,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:43,285 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2019-12-07 17:30:43,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:30:43,291 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898966056] [2019-12-07 17:30:43,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:30:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:30:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:30:43,389 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:30:43,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:43,390 INFO L82 PathProgramCache]: Analyzing trace with hash 52792, now seen corresponding path program 1 times [2019-12-07 17:30:43,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:30:43,390 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865924598] [2019-12-07 17:30:43,391 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:30:43,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:30:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:30:43,404 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:30:43,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:43,406 INFO L82 PathProgramCache]: Analyzing trace with hash 180551759, now seen corresponding path program 1 times [2019-12-07 17:30:43,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:30:43,406 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435884902] [2019-12-07 17:30:43,406 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:30:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:30:43,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:30:43,447 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:30:43,696 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2019-12-07 17:30:43,773 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:30:43,773 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:30:43,774 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:30:43,774 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:30:43,774 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:30:43,774 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:30:43,774 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:30:43,774 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:30:43,774 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcpy-alloca-1.i_Iteration1_Lasso [2019-12-07 17:30:43,774 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:30:43,774 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:30:43,795 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 17:30:43,799 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 17:30:43,988 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2019-12-07 17:30:44,082 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 17:30:44,083 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 17:30:44,085 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 17:30:44,086 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 17:30:44,087 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 17:30:44,089 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 17:30:44,091 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 17:30:44,092 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 17:30:44,094 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 17:30:44,095 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 17:30:44,097 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 17:30:44,098 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 17:30:44,100 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 17:30:44,101 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 17:30:44,103 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 17:30:44,105 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 17:30:44,460 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:30:44,463 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37b593f0-ee6b-49e1-a9f4-21187d1c5a6d/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 17:30:44,467 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 17:30:44,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:44,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:44,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:44,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:44,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:44,471 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:44,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:44,473 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37b593f0-ee6b-49e1-a9f4-21187d1c5a6d/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 17:30:44,478 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 17:30:44,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:44,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:44,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:44,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:44,482 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:30:44,482 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:30:44,486 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37b593f0-ee6b-49e1-a9f4-21187d1c5a6d/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 17:30:44,491 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 17:30:44,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:44,492 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:44,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:44,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:44,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:44,493 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:30:44,493 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:44,494 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37b593f0-ee6b-49e1-a9f4-21187d1c5a6d/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 17:30:44,500 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 17:30:44,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:44,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:44,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:44,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:44,506 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:30:44,506 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:30:44,510 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37b593f0-ee6b-49e1-a9f4-21187d1c5a6d/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 17:30:44,515 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 17:30:44,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:44,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:30:44,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:44,516 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 17:30:44,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:44,518 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:30:44,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:30:44,520 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37b593f0-ee6b-49e1-a9f4-21187d1c5a6d/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 17:30:44,524 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 17:30:44,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:44,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:44,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:44,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:44,533 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:30:44,533 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:30:44,542 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37b593f0-ee6b-49e1-a9f4-21187d1c5a6d/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 17:30:44,547 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 17:30:44,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:44,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:44,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:44,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:44,550 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:30:44,550 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:30:44,553 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37b593f0-ee6b-49e1-a9f4-21187d1c5a6d/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 17:30:44,557 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 17:30:44,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:44,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:44,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:44,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:44,562 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:30:44,562 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:30:44,567 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37b593f0-ee6b-49e1-a9f4-21187d1c5a6d/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 17:30:44,572 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 17:30:44,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:44,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:44,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:44,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:44,575 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:30:44,575 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:30:44,578 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37b593f0-ee6b-49e1-a9f4-21187d1c5a6d/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 17:30:44,583 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 17:30:44,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:30:44,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:30:44,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:30:44,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:30:44,593 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:30:44,593 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:30:44,608 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:30:44,669 INFO L443 ModelExtractionUtils]: Simplification made 24 calls to the SMT solver. [2019-12-07 17:30:44,669 INFO L444 ModelExtractionUtils]: 25 out of 46 variables were initially zero. Simplification set additionally 18 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37b593f0-ee6b-49e1-a9f4-21187d1c5a6d/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 17:30:44,673 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:30:44,676 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 17:30:44,676 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:30:44,677 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcpy_~to.offset, v_rep(select #length ULTIMATE.start_cstrcpy_~to.base)_1) = -1*ULTIMATE.start_cstrcpy_~to.offset + 1*v_rep(select #length ULTIMATE.start_cstrcpy_~to.base)_1 Supporting invariants [] [2019-12-07 17:30:44,720 INFO L297 tatePredicateManager]: 13 out of 13 supporting invariants were superfluous and have been removed [2019-12-07 17:30:44,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 17:30:44,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:30:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:30:44,755 INFO L264 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:30:44,757 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:30:44,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:30:44,770 INFO L264 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 17:30:44,770 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:30:44,780 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 17:30:44,795 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 17:30:44,796 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states. Second operand 3 states. [2019-12-07 17:30:44,826 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states.. Second operand 3 states. Result 29 states and 33 transitions. Complement of second has 5 states. [2019-12-07 17:30:44,827 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 17:30:44,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 17:30:44,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2019-12-07 17:30:44,830 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 5 letters. Loop has 3 letters. [2019-12-07 17:30:44,830 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:30:44,831 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 8 letters. Loop has 3 letters. [2019-12-07 17:30:44,831 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:30:44,831 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 5 letters. Loop has 6 letters. [2019-12-07 17:30:44,831 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:30:44,832 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 33 transitions. [2019-12-07 17:30:44,834 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:30:44,836 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2019-12-07 17:30:44,836 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 17:30:44,836 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 17:30:44,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 17:30:44,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:30:44,837 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:30:44,837 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:30:44,837 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:30:44,837 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 17:30:44,837 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:30:44,838 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:30:44,838 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 17:30:44,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 05:30:44 BoogieIcfgContainer [2019-12-07 17:30:44,842 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 17:30:44,843 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:30:44,843 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:30:44,843 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:30:44,843 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:30:43" (3/4) ... [2019-12-07 17:30:44,846 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:30:44,846 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:30:44,847 INFO L168 Benchmark]: Toolchain (without parser) took 2166.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 948.9 MB in the beginning and 983.7 MB in the end (delta: -34.8 MB). Peak memory consumption was 87.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:30:44,848 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:30:44,848 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -162.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:30:44,849 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.18 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 17:30:44,849 INFO L168 Benchmark]: Boogie Preprocessor took 17.40 ms. Allocated memory is still 1.2 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 17:30:44,850 INFO L168 Benchmark]: RCFGBuilder took 189.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:30:44,851 INFO L168 Benchmark]: BuchiAutomizer took 1628.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.7 MB in the end (delta: 99.5 MB). Peak memory consumption was 99.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:30:44,851 INFO L168 Benchmark]: Witness Printer took 3.35 ms. Allocated memory is still 1.2 GB. Free memory is still 983.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:30:44,854 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 290.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -162.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.18 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. * Boogie Preprocessor took 17.40 ms. Allocated memory is still 1.2 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 189.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1628.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.7 MB in the end (delta: 99.5 MB). Peak memory consumption was 99.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.35 ms. Allocated memory is still 1.2 GB. Free memory is still 983.7 MB. 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * to + unknown-#length-unknown[to] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 16 SDtfs, 15 SDslu, 6 SDs, 0 SdLazy, 3 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital197 mio100 ax109 hnf99 lsp88 ukn92 mio100 lsp47 div100 bol100 ite100 ukn100 eq195 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 1 VariablesLoop: 2 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...