./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcpy-alloca_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_90e7e9dc-d325-4d75-aba6-288191e935bb/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_90e7e9dc-d325-4d75-aba6-288191e935bb/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_90e7e9dc-d325-4d75-aba6-288191e935bb/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_90e7e9dc-d325-4d75-aba6-288191e935bb/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcpy-alloca_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_90e7e9dc-d325-4d75-aba6-288191e935bb/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_90e7e9dc-d325-4d75-aba6-288191e935bb/bin-2019/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 0.1.23-1dbac8b [2018-10-27 06:06:02,686 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:06:02,688 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:06:02,697 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:06:02,697 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:06:02,698 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:06:02,699 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:06:02,700 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:06:02,702 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:06:02,703 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:06:02,703 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:06:02,704 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:06:02,704 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:06:02,706 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:06:02,707 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:06:02,707 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:06:02,708 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:06:02,710 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:06:02,711 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:06:02,712 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:06:02,714 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:06:02,715 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:06:02,717 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 06:06:02,717 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 06:06:02,718 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 06:06:02,718 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 06:06:02,719 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 06:06:02,720 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 06:06:02,720 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 06:06:02,722 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 06:06:02,722 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 06:06:02,723 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 06:06:02,723 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 06:06:02,723 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 06:06:02,724 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 06:06:02,725 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 06:06:02,726 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_90e7e9dc-d325-4d75-aba6-288191e935bb/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-10-27 06:06:02,737 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:06:02,737 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:06:02,738 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 06:06:02,739 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 06:06:02,739 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 06:06:02,739 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-10-27 06:06:02,739 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-10-27 06:06:02,739 INFO L133 SettingsManager]: * Use old map elimination=false [2018-10-27 06:06:02,739 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-10-27 06:06:02,739 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-10-27 06:06:02,740 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-10-27 06:06:02,740 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:06:02,740 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 06:06:02,740 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:06:02,740 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:06:02,740 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-10-27 06:06:02,740 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-10-27 06:06:02,741 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-10-27 06:06:02,741 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:06:02,741 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-10-27 06:06:02,743 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-10-27 06:06:02,743 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:06:02,743 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:06:02,743 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-10-27 06:06:02,743 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:06:02,744 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 06:06:02,744 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-10-27 06:06:02,744 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-27 06:06:02,746 INFO L133 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/working_dir_90e7e9dc-d325-4d75-aba6-288191e935bb/bin-2019/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 [2018-10-27 06:06:02,770 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:06:02,780 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:06:02,783 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:06:02,784 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:06:02,785 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:06:02,786 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_90e7e9dc-d325-4d75-aba6-288191e935bb/bin-2019/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcpy-alloca_true-termination.c.i [2018-10-27 06:06:02,835 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_90e7e9dc-d325-4d75-aba6-288191e935bb/bin-2019/uautomizer/data/b5d32e08c/333d48705dcf44fc9adc7976e3affb7c/FLAG424765eb1 [2018-10-27 06:06:03,286 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:06:03,287 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_90e7e9dc-d325-4d75-aba6-288191e935bb/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcpy-alloca_true-termination.c.i [2018-10-27 06:06:03,298 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_90e7e9dc-d325-4d75-aba6-288191e935bb/bin-2019/uautomizer/data/b5d32e08c/333d48705dcf44fc9adc7976e3affb7c/FLAG424765eb1 [2018-10-27 06:06:03,311 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_90e7e9dc-d325-4d75-aba6-288191e935bb/bin-2019/uautomizer/data/b5d32e08c/333d48705dcf44fc9adc7976e3affb7c [2018-10-27 06:06:03,314 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:06:03,314 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 06:06:03,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:06:03,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:06:03,324 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:06:03,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:06:03" (1/1) ... [2018-10-27 06:06:03,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b1d7a79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:03, skipping insertion in model container [2018-10-27 06:06:03,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:06:03" (1/1) ... [2018-10-27 06:06:03,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:06:03,370 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:06:03,615 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:06:03,624 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:06:03,658 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:06:03,696 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:06:03,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:03 WrapperNode [2018-10-27 06:06:03,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:06:03,697 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:06:03,697 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:06:03,697 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:06:03,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:03" (1/1) ... [2018-10-27 06:06:03,718 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:03" (1/1) ... [2018-10-27 06:06:03,802 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:06:03,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:06:03,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:06:03,803 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:06:03,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:03" (1/1) ... [2018-10-27 06:06:03,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:03" (1/1) ... [2018-10-27 06:06:03,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:03" (1/1) ... [2018-10-27 06:06:03,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:03" (1/1) ... [2018-10-27 06:06:03,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:03" (1/1) ... [2018-10-27 06:06:03,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:03" (1/1) ... [2018-10-27 06:06:03,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:03" (1/1) ... [2018-10-27 06:06:03,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:06:03,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:06:03,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:06:03,831 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:06:03,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90e7e9dc-d325-4d75-aba6-288191e935bb/bin-2019/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 [2018-10-27 06:06:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-27 06:06:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-27 06:06:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:06:03,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:06:04,334 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:06:04,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:06:04 BoogieIcfgContainer [2018-10-27 06:06:04,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:06:04,335 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-10-27 06:06:04,336 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-10-27 06:06:04,339 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-10-27 06:06:04,340 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:06:04,340 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.10 06:06:03" (1/3) ... [2018-10-27 06:06:04,341 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6256b6b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:06:04, skipping insertion in model container [2018-10-27 06:06:04,342 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:06:04,342 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:03" (2/3) ... [2018-10-27 06:06:04,342 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6256b6b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:06:04, skipping insertion in model container [2018-10-27 06:06:04,342 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:06:04,342 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:06:04" (3/3) ... [2018-10-27 06:06:04,344 INFO L375 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcpy-alloca_true-termination.c.i [2018-10-27 06:06:04,397 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 06:06:04,398 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-10-27 06:06:04,398 INFO L375 BuchiCegarLoop]: Hoare is false [2018-10-27 06:06:04,398 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-10-27 06:06:04,398 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:06:04,398 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:06:04,398 INFO L379 BuchiCegarLoop]: Difference is false [2018-10-27 06:06:04,399 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:06:04,399 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-10-27 06:06:04,412 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2018-10-27 06:06:04,434 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2018-10-27 06:06:04,434 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:06:04,434 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:06:04,441 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:06:04,441 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-10-27 06:06:04,441 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-10-27 06:06:04,441 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2018-10-27 06:06:04,450 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2018-10-27 06:06:04,450 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:06:04,450 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:06:04,451 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:06:04,451 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-10-27 06:06:04,460 INFO L793 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;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; 5#L557true assume !(main_~length1~0 < 1); 9#L557-2true assume !(main_~length2~0 < 1); 19#L560-1true assume !(main_~length1~0 < main_~length2~0);#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := main_~length1~0 * 1;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := main_~length2~0 * 1;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset; 8#L566true SUMMARY for call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1) * 1, 1); srcloc: L566 11#L566-1true assume { :begin_inline_cstrcpy } true;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; 7#L551-6true [2018-10-27 06:06:04,461 INFO L795 eck$LassoCheckResult]: Loop: 7#L551-6true assume true; 16#L551-1true SUMMARY for call cstrcpy_#t~mem4 := read~int(cstrcpy_~from.base, cstrcpy_~from.offset, 1); srcloc: L551-1 18#L551-2true SUMMARY for call write~int(cstrcpy_#t~mem4, cstrcpy_~to.base, cstrcpy_~to.offset, 1); srcloc: L551-2 3#L551-3true assume !!(cstrcpy_#t~mem4 != 0);havoc cstrcpy_#t~mem4; 6#L551-5true cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset := cstrcpy_~from.base, cstrcpy_~from.offset + 1;cstrcpy_~from.base, cstrcpy_~from.offset := cstrcpy_~from.base, cstrcpy_~from.offset + 1;havoc cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset;cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset := cstrcpy_~to.base, cstrcpy_~to.offset + 1;cstrcpy_~to.base, cstrcpy_~to.offset := cstrcpy_~to.base, cstrcpy_~to.offset + 1;havoc cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset; 7#L551-6true [2018-10-27 06:06:04,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:04,468 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939467, now seen corresponding path program 1 times [2018-10-27 06:06:04,470 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:04,471 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:04,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:04,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:04,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:04,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:04,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:04,617 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:04,617 INFO L82 PathProgramCache]: Analyzing trace with hash 52518715, now seen corresponding path program 1 times [2018-10-27 06:06:04,617 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:04,618 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:04,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:04,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:04,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:04,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:04,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1253926961, now seen corresponding path program 1 times [2018-10-27 06:06:04,637 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:04,637 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:04,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:04,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:04,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:04,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:04,868 WARN L179 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-10-27 06:06:05,018 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-10-27 06:06:05,619 WARN L179 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2018-10-27 06:06:05,998 WARN L179 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2018-10-27 06:06:06,027 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:06,028 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:06,032 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:06,032 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:06,032 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:06:06,032 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:06,032 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:06,032 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:06,033 INFO L131 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcpy-alloca_true-termination.c.i_Iteration1_Lasso [2018-10-27 06:06:06,033 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:06,033 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:06,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:06,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:06,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:06,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:06,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:06,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:06,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:06,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:06,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:06,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:06,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:06,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:06,543 WARN L179 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 89 [2018-10-27 06:06:06,806 WARN L179 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2018-10-27 06:06:06,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:06,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:06,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:06,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:06,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:06,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:07,443 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:07,446 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:06:07,448 INFO L122 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 [2018-10-27 06:06:07,449 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:07,449 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:07,450 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:07,450 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:07,450 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:07,452 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:07,452 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:07,454 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:07,454 INFO L122 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 [2018-10-27 06:06:07,455 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:07,455 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:07,455 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:07,455 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:07,455 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:07,456 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:07,456 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:07,457 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:07,457 INFO L122 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 [2018-10-27 06:06:07,458 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:07,458 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:07,458 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:07,458 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:07,458 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:07,459 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:07,459 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:07,460 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:07,460 INFO L122 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 [2018-10-27 06:06:07,460 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:07,461 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:07,461 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:07,461 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:07,461 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:07,462 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:07,462 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:07,462 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:07,463 INFO L122 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 [2018-10-27 06:06:07,463 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:07,463 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:07,464 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:07,464 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:07,464 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:07,464 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:07,464 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:07,465 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:07,465 INFO L122 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 [2018-10-27 06:06:07,466 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:07,466 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:07,466 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:07,466 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:07,468 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:07,468 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:07,472 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:07,472 INFO L122 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 [2018-10-27 06:06:07,473 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:07,473 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:07,473 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:07,473 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:07,475 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:07,475 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:07,480 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:07,481 INFO L122 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 [2018-10-27 06:06:07,481 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:07,481 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:07,481 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:07,482 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:07,482 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:07,482 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:07,482 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:07,483 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:07,483 INFO L122 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 [2018-10-27 06:06:07,484 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:07,484 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:07,484 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:07,484 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:07,484 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:07,485 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:07,485 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:07,486 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:07,486 INFO L122 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 [2018-10-27 06:06:07,487 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:07,487 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:07,487 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:07,487 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:07,489 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:07,489 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:07,492 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:07,492 INFO L122 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 [2018-10-27 06:06:07,493 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:07,493 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:07,493 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:07,493 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:07,493 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:07,494 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:07,494 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:07,495 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:07,495 INFO L122 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 [2018-10-27 06:06:07,496 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:07,496 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:07,496 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:07,496 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:07,498 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:07,498 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:07,504 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:07,504 INFO L122 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 [2018-10-27 06:06:07,505 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:07,505 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:07,505 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:07,505 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:07,509 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:07,509 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:07,534 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:07,535 INFO L122 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 [2018-10-27 06:06:07,536 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:07,536 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:07,536 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:07,536 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:07,538 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:07,538 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:07,546 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:07,547 INFO L122 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 [2018-10-27 06:06:07,547 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:07,547 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:07,547 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:07,548 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:07,549 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:07,550 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:07,554 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:07,554 INFO L122 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 [2018-10-27 06:06:07,555 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:07,555 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:07,555 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:07,555 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:07,555 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:07,556 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:07,556 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:07,557 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:07,558 INFO L122 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 [2018-10-27 06:06:07,558 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:07,558 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:07,558 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:07,558 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-10-27 06:06:07,559 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:07,559 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:07,559 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:07,570 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:07,570 INFO L122 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 [2018-10-27 06:06:07,571 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:07,571 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-10-27 06:06:07,571 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:07,571 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:07,575 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-10-27 06:06:07,575 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:07,608 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:07,609 INFO L122 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 [2018-10-27 06:06:07,619 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:07,620 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:07,620 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:07,620 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:07,636 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:07,636 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:07,766 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-10-27 06:06:07,828 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-10-27 06:06:07,829 INFO L444 ModelExtractionUtils]: 56 out of 61 variables were initially zero. Simplification set additionally 2 variables to zero. [2018-10-27 06:06:07,838 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-10-27 06:06:07,840 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-10-27 06:06:07,840 INFO L517 LassoAnalysis]: Proved termination. [2018-10-27 06:06:07,841 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcpy_~to.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_1) = -1*ULTIMATE.start_cstrcpy_~to.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_1 Supporting invariants [] [2018-10-27 06:06:07,970 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2018-10-27 06:06:07,978 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-10-27 06:06:08,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:08,043 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:06:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:08,074 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:06:08,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:06:08,115 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 [2018-10-27 06:06:08,116 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states. Second operand 5 states. [2018-10-27 06:06:08,210 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states.. Second operand 5 states. Result 32 states and 36 transitions. Complement of second has 9 states. [2018-10-27 06:06:08,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2018-10-27 06:06:08,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-10-27 06:06:08,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2018-10-27 06:06:08,213 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 7 letters. Loop has 5 letters. [2018-10-27 06:06:08,214 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:08,214 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 12 letters. Loop has 5 letters. [2018-10-27 06:06:08,215 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:08,215 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 7 letters. Loop has 10 letters. [2018-10-27 06:06:08,215 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:08,216 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 36 transitions. [2018-10-27 06:06:08,217 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:06:08,221 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2018-10-27 06:06:08,222 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-10-27 06:06:08,222 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-10-27 06:06:08,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-10-27 06:06:08,223 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-10-27 06:06:08,223 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:06:08,223 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:06:08,223 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:06:08,223 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-10-27 06:06:08,223 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-10-27 06:06:08,223 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:06:08,223 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-10-27 06:06:08,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.10 06:06:08 BoogieIcfgContainer [2018-10-27 06:06:08,229 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-10-27 06:06:08,229 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 06:06:08,230 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 06:06:08,230 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 06:06:08,230 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:06:04" (3/4) ... [2018-10-27 06:06:08,233 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 06:06:08,233 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 06:06:08,234 INFO L168 Benchmark]: Toolchain (without parser) took 4919.93 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 224.4 MB). Free memory was 953.1 MB in the beginning and 1.1 GB in the end (delta: -138.7 MB). Peak memory consumption was 85.7 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:08,235 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:06:08,235 INFO L168 Benchmark]: CACSL2BoogieTranslator took 381.29 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 931.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:08,235 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 931.6 MB in the beginning and 1.2 GB in the end (delta: -229.5 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:08,236 INFO L168 Benchmark]: Boogie Preprocessor took 27.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:08,237 INFO L168 Benchmark]: RCFGBuilder took 504.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:08,237 INFO L168 Benchmark]: BuchiAutomizer took 3893.70 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 54.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.4 MB). Peak memory consumption was 100.4 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:08,238 INFO L168 Benchmark]: Witness Printer took 3.81 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:06:08,241 INFO L336 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 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 381.29 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 931.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 105.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 931.6 MB in the beginning and 1.2 GB in the end (delta: -229.5 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 504.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3893.70 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 54.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.4 MB). Peak memory consumption was 100.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.81 ms. Allocated memory is still 1.3 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 * 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[__builtin_alloca (length1 * sizeof(char))] and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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: 15 SDtfs, 21 SDslu, 13 SDs, 0 SdLazy, 11 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital205 mio100 ax108 hnf99 lsp89 ukn116 mio100 lsp45 div100 bol100 ite100 ukn100 eq202 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 38ms VariablesStem: 5 VariablesLoop: 4 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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...