./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9625815e-abca-4610-9d97-69b88aa9a1dc/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9625815e-abca-4610-9d97-69b88aa9a1dc/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9625815e-abca-4610-9d97-69b88aa9a1dc/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9625815e-abca-4610-9d97-69b88aa9a1dc/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9625815e-abca-4610-9d97-69b88aa9a1dc/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9625815e-abca-4610-9d97-69b88aa9a1dc/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 32bit --witnessprinter.graph.data.programhash 834e1cdb1aa87972c4591e301e8fffc5992d43b8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 07:23:14,903 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:23:14,904 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:23:14,912 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:23:14,912 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:23:14,913 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:23:14,914 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:23:14,915 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:23:14,916 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:23:14,917 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:23:14,917 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:23:14,917 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:23:14,918 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:23:14,921 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:23:14,922 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:23:14,922 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:23:14,923 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:23:14,924 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:23:14,926 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:23:14,927 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:23:14,928 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:23:14,929 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:23:14,930 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:23:14,931 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:23:14,931 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:23:14,931 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:23:14,932 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:23:14,933 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:23:14,934 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:23:14,935 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:23:14,935 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:23:14,935 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:23:14,936 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:23:14,936 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:23:14,937 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:23:14,938 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:23:14,938 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9625815e-abca-4610-9d97-69b88aa9a1dc/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-23 07:23:14,949 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:23:14,949 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:23:14,950 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 07:23:14,950 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 07:23:14,951 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 07:23:14,951 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 07:23:14,951 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 07:23:14,951 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 07:23:14,951 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 07:23:14,952 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 07:23:14,952 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 07:23:14,952 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:23:14,952 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:23:14,953 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 07:23:14,953 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:23:14,953 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:23:14,953 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:23:14,953 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 07:23:14,953 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 07:23:14,953 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 07:23:14,954 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:23:14,954 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:23:14,954 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 07:23:14,954 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:23:14,954 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 07:23:14,954 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:23:14,954 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:23:14,955 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 07:23:14,955 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:23:14,955 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 07:23:14,955 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 07:23:14,956 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 07:23:14,956 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_9625815e-abca-4610-9d97-69b88aa9a1dc/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 834e1cdb1aa87972c4591e301e8fffc5992d43b8 [2018-11-23 07:23:14,978 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:23:14,987 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:23:14,990 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:23:14,991 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:23:14,991 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:23:14,991 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9625815e-abca-4610-9d97-69b88aa9a1dc/bin-2019/uautomizer/../../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-11-23 07:23:15,027 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9625815e-abca-4610-9d97-69b88aa9a1dc/bin-2019/uautomizer/data/7daf5ebb9/337c4ce55f914a0ba9e97d5aa9c275b6/FLAG7de7091a6 [2018-11-23 07:23:15,450 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:23:15,451 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9625815e-abca-4610-9d97-69b88aa9a1dc/sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-11-23 07:23:15,457 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9625815e-abca-4610-9d97-69b88aa9a1dc/bin-2019/uautomizer/data/7daf5ebb9/337c4ce55f914a0ba9e97d5aa9c275b6/FLAG7de7091a6 [2018-11-23 07:23:15,466 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9625815e-abca-4610-9d97-69b88aa9a1dc/bin-2019/uautomizer/data/7daf5ebb9/337c4ce55f914a0ba9e97d5aa9c275b6 [2018-11-23 07:23:15,468 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:23:15,469 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:23:15,469 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:23:15,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:23:15,471 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:23:15,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:23:15" (1/1) ... [2018-11-23 07:23:15,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7361ef29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:15, skipping insertion in model container [2018-11-23 07:23:15,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:23:15" (1/1) ... [2018-11-23 07:23:15,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:23:15,502 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:23:15,679 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:23:15,686 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:23:15,754 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:23:15,782 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:23:15,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:15 WrapperNode [2018-11-23 07:23:15,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:23:15,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:23:15,783 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:23:15,783 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:23:15,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:15" (1/1) ... [2018-11-23 07:23:15,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:15" (1/1) ... [2018-11-23 07:23:15,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:23:15,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:23:15,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:23:15,809 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:23:15,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:15" (1/1) ... [2018-11-23 07:23:15,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:15" (1/1) ... [2018-11-23 07:23:15,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:15" (1/1) ... [2018-11-23 07:23:15,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:15" (1/1) ... [2018-11-23 07:23:15,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:15" (1/1) ... [2018-11-23 07:23:15,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:15" (1/1) ... [2018-11-23 07:23:15,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:15" (1/1) ... [2018-11-23 07:23:15,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:23:15,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:23:15,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:23:15,829 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:23:15,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9625815e-abca-4610-9d97-69b88aa9a1dc/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 [2018-11-23 07:23:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 07:23:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 07:23:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 07:23:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 07:23:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:23:15,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:23:16,038 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:23:16,038 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 07:23:16,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:23:16 BoogieIcfgContainer [2018-11-23 07:23:16,038 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:23:16,039 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 07:23:16,039 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 07:23:16,042 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 07:23:16,042 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 07:23:16,042 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 07:23:15" (1/3) ... [2018-11-23 07:23:16,043 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a707e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 07:23:16, skipping insertion in model container [2018-11-23 07:23:16,043 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 07:23:16,043 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:15" (2/3) ... [2018-11-23 07:23:16,043 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a707e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 07:23:16, skipping insertion in model container [2018-11-23 07:23:16,043 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 07:23:16,043 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:23:16" (3/3) ... [2018-11-23 07:23:16,044 INFO L375 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-11-23 07:23:16,086 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 07:23:16,087 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 07:23:16,087 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 07:23:16,087 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 07:23:16,087 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:23:16,087 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:23:16,087 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 07:23:16,087 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:23:16,087 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 07:23:16,098 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2018-11-23 07:23:16,113 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-23 07:23:16,113 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 07:23:16,113 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 07:23:16,117 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-23 07:23:16,117 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-23 07:23:16,117 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 07:23:16,118 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2018-11-23 07:23:16,118 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-23 07:23:16,119 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 07:23:16,119 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 07:23:16,119 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-23 07:23:16,119 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-23 07:23:16,124 INFO L794 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 6#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9.base, main_#t~ret9.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 13#L550true assume !(main_~length1~0 < 1); 3#L550-2true assume !(main_~length2~0 < 1); 8#L553-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.alloc(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.alloc(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~to.base, cstrcpy_#in~to.offset, cstrcpy_#in~from.base, cstrcpy_#in~from.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset, cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset, cstrcpy_#t~mem4, cstrcpy_~to.base, cstrcpy_~to.offset, cstrcpy_~from.base, cstrcpy_~from.offset, cstrcpy_~save~0.base, cstrcpy_~save~0.offset;cstrcpy_~to.base, cstrcpy_~to.offset := cstrcpy_#in~to.base, cstrcpy_#in~to.offset;cstrcpy_~from.base, cstrcpy_~from.offset := cstrcpy_#in~from.base, cstrcpy_#in~from.offset;cstrcpy_~save~0.base, cstrcpy_~save~0.offset := cstrcpy_~to.base, cstrcpy_~to.offset; 10#L544-4true [2018-11-23 07:23:16,125 INFO L796 eck$LassoCheckResult]: Loop: 10#L544-4true 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); 5#L544-1true assume !!(0 != cstrcpy_#t~mem4);havoc cstrcpy_#t~mem4; 9#L544-3true 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; 10#L544-4true [2018-11-23 07:23:16,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:23:16,129 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2018-11-23 07:23:16,130 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:23:16,131 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:23:16,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:16,160 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:23:16,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:23:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:23:16,215 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:23:16,215 INFO L82 PathProgramCache]: Analyzing trace with hash 52792, now seen corresponding path program 1 times [2018-11-23 07:23:16,215 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:23:16,215 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:23:16,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:16,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:23:16,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:16,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:23:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:23:16,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:23:16,227 INFO L82 PathProgramCache]: Analyzing trace with hash 180551759, now seen corresponding path program 1 times [2018-11-23 07:23:16,227 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:23:16,227 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:23:16,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:16,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:23:16,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:23:16,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:23:16,497 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2018-11-23 07:23:16,575 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 07:23:16,576 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 07:23:16,576 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 07:23:16,576 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 07:23:16,577 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 07:23:16,577 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 07:23:16,577 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 07:23:16,577 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 07:23:16,577 INFO L131 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_Iteration1_Lasso [2018-11-23 07:23:16,577 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 07:23:16,577 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 07:23:16,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:23:16,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:23:16,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:23:16,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:23:16,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:23:16,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:23:16,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:23:16,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:23:16,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:23:16,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:23:16,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:23:16,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:23:16,800 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2018-11-23 07:23:16,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:23:16,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:23:16,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:23:17,206 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 07:23:17,210 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 07:23:17,212 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 [2018-11-23 07:23:17,213 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:23:17,213 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:23:17,214 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:23:17,214 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:23:17,214 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:23:17,216 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:23:17,216 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:23:17,218 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:23:17,218 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 [2018-11-23 07:23:17,219 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:23:17,219 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:23:17,219 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:23:17,220 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:23:17,220 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:23:17,220 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:23:17,220 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:23:17,221 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:23:17,221 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 [2018-11-23 07:23:17,222 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:23:17,222 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:23:17,222 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:23:17,222 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:23:17,222 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:23:17,223 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:23:17,223 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:23:17,223 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:23:17,224 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 [2018-11-23 07:23:17,224 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:23:17,224 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:23:17,225 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:23:17,225 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:23:17,225 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:23:17,225 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:23:17,225 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:23:17,226 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:23:17,226 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 [2018-11-23 07:23:17,227 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:23:17,227 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:23:17,227 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:23:17,227 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:23:17,227 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:23:17,228 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:23:17,228 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:23:17,228 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:23:17,229 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 [2018-11-23 07:23:17,229 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:23:17,229 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:23:17,229 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:23:17,230 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:23:17,231 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:23:17,232 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 07:23:17,234 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:23:17,235 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 [2018-11-23 07:23:17,235 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:23:17,235 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:23:17,235 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:23:17,236 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:23:17,236 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:23:17,236 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:23:17,236 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:23:17,237 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:23:17,238 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 [2018-11-23 07:23:17,238 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:23:17,238 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:23:17,238 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:23:17,238 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:23:17,239 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:23:17,239 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:23:17,239 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:23:17,240 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:23:17,240 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 [2018-11-23 07:23:17,241 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:23:17,241 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:23:17,241 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:23:17,241 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:23:17,242 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:23:17,243 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 07:23:17,245 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:23:17,246 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 [2018-11-23 07:23:17,246 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:23:17,246 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:23:17,246 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:23:17,247 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:23:17,247 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:23:17,247 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:23:17,247 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:23:17,248 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:23:17,248 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 [2018-11-23 07:23:17,249 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:23:17,249 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:23:17,249 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:23:17,249 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:23:17,249 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:23:17,250 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:23:17,250 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:23:17,251 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:23:17,251 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 [2018-11-23 07:23:17,251 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:23:17,252 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:23:17,252 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:23:17,252 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:23:17,253 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:23:17,254 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 07:23:17,260 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:23:17,260 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 [2018-11-23 07:23:17,261 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:23:17,261 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:23:17,261 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:23:17,261 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:23:17,261 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:23:17,262 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:23:17,262 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:23:17,263 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:23:17,263 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 [2018-11-23 07:23:17,263 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:23:17,263 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:23:17,264 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:23:17,264 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:23:17,266 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:23:17,266 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 07:23:17,278 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:23:17,279 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 [2018-11-23 07:23:17,279 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:23:17,279 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:23:17,279 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:23:17,279 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-23 07:23:17,280 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:23:17,280 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 07:23:17,280 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:23:17,283 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:23:17,283 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 [2018-11-23 07:23:17,283 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:23:17,284 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:23:17,284 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:23:17,284 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:23:17,285 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:23:17,285 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 07:23:17,287 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:23:17,287 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 [2018-11-23 07:23:17,287 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:23:17,288 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:23:17,288 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:23:17,288 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:23:17,289 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:23:17,289 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 07:23:17,298 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:23:17,298 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 [2018-11-23 07:23:17,299 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:23:17,299 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-23 07:23:17,299 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:23:17,299 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:23:17,301 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-23 07:23:17,301 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 07:23:17,314 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:23:17,314 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 [2018-11-23 07:23:17,315 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:23:17,315 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-23 07:23:17,315 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:23:17,315 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:23:17,317 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-23 07:23:17,318 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 07:23:17,329 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:23:17,330 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 [2018-11-23 07:23:17,330 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:23:17,330 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:23:17,331 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:23:17,331 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:23:17,332 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:23:17,332 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 07:23:17,334 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:23:17,334 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 [2018-11-23 07:23:17,335 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:23:17,335 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:23:17,335 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:23:17,335 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:23:17,340 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:23:17,340 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 07:23:17,380 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 07:23:17,418 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2018-11-23 07:23:17,418 INFO L444 ModelExtractionUtils]: 40 out of 46 variables were initially zero. Simplification set additionally 3 variables to zero. [2018-11-23 07:23:17,420 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 07:23:17,422 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-23 07:23:17,422 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 07:23:17,423 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_1, ULTIMATE.start_cstrcpy_~from.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_1 - 1*ULTIMATE.start_cstrcpy_~from.offset Supporting invariants [] [2018-11-23 07:23:17,481 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2018-11-23 07:23:17,489 WARN L1272 BoogieBacktranslator]: unknown boogie variable #length [2018-11-23 07:23:17,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:23:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:23:17,539 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:23:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:23:17,549 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:23:17,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:23:17,575 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 [2018-11-23 07:23:17,576 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states. Second operand 3 states. [2018-11-23 07:23:17,629 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states.. Second operand 3 states. Result 26 states and 30 transitions. Complement of second has 6 states. [2018-11-23 07:23:17,630 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 [2018-11-23 07:23:17,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 07:23:17,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2018-11-23 07:23:17,633 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 5 letters. Loop has 3 letters. [2018-11-23 07:23:17,634 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 07:23:17,634 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 8 letters. Loop has 3 letters. [2018-11-23 07:23:17,634 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 07:23:17,634 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 5 letters. Loop has 6 letters. [2018-11-23 07:23:17,634 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 07:23:17,635 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 30 transitions. [2018-11-23 07:23:17,636 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 07:23:17,638 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2018-11-23 07:23:17,639 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 07:23:17,639 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 07:23:17,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 07:23:17,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 07:23:17,639 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:23:17,639 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:23:17,640 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:23:17,640 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 07:23:17,640 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-23 07:23:17,640 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 07:23:17,640 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 07:23:17,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 07:23:17 BoogieIcfgContainer [2018-11-23 07:23:17,644 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 07:23:17,644 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:23:17,644 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:23:17,645 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:23:17,645 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:23:16" (3/4) ... [2018-11-23 07:23:17,647 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 07:23:17,647 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:23:17,648 INFO L168 Benchmark]: Toolchain (without parser) took 2179.42 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 234.9 MB). Free memory was 956.5 MB in the beginning and 1.2 GB in the end (delta: -252.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:23:17,648 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:23:17,649 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:23:17,649 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.79 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:23:17,650 INFO L168 Benchmark]: Boogie Preprocessor took 19.19 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. [2018-11-23 07:23:17,650 INFO L168 Benchmark]: RCFGBuilder took 209.72 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-23 07:23:17,651 INFO L168 Benchmark]: BuchiAutomizer took 1605.21 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 84.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -93.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:23:17,651 INFO L168 Benchmark]: Witness Printer took 3.07 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:23:17,654 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 313.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.79 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.19 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. * RCFGBuilder took 209.72 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1605.21 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 84.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -93.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.07 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 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 unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * from and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. 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: 13 SDtfs, 16 SDslu, 3 SDs, 0 SdLazy, 6 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital196 mio100 ax100 hnf99 lsp96 ukn92 mio100 lsp48 div100 bol100 ite100 ukn100 eq195 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 4 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...