./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_db356b20-8efa-42e0-aed5-70790275ed6a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_db356b20-8efa-42e0-aed5-70790275ed6a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_db356b20-8efa-42e0-aed5-70790275ed6a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_db356b20-8efa-42e0-aed5-70790275ed6a/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_db356b20-8efa-42e0-aed5-70790275ed6a/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_db356b20-8efa-42e0-aed5-70790275ed6a/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 13552cca99ea1df7c66453eb01c81a7b6abf3a1a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 11:42:59,838 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 11:42:59,839 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 11:42:59,845 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 11:42:59,845 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 11:42:59,846 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 11:42:59,846 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 11:42:59,847 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 11:42:59,848 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 11:42:59,848 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 11:42:59,849 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 11:42:59,849 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 11:42:59,849 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 11:42:59,850 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 11:42:59,850 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 11:42:59,851 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 11:42:59,851 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 11:42:59,852 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 11:42:59,853 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 11:42:59,854 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 11:42:59,854 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 11:42:59,855 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 11:42:59,856 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 11:42:59,856 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 11:42:59,856 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 11:42:59,857 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 11:42:59,857 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 11:42:59,858 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 11:42:59,858 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 11:42:59,859 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 11:42:59,859 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 11:42:59,859 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 11:42:59,859 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 11:42:59,859 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 11:42:59,860 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 11:42:59,860 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 11:42:59,861 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_db356b20-8efa-42e0-aed5-70790275ed6a/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-08 11:42:59,868 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 11:42:59,868 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 11:42:59,869 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 11:42:59,869 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 11:42:59,869 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 11:42:59,870 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-08 11:42:59,870 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-08 11:42:59,870 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-08 11:42:59,870 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-08 11:42:59,870 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-08 11:42:59,870 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-08 11:42:59,870 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 11:42:59,870 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 11:42:59,870 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 11:42:59,871 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 11:42:59,871 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 11:42:59,871 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 11:42:59,871 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-08 11:42:59,871 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-08 11:42:59,871 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-08 11:42:59,871 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 11:42:59,871 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 11:42:59,871 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-08 11:42:59,872 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 11:42:59,872 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-08 11:42:59,872 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 11:42:59,872 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 11:42:59,872 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-08 11:42:59,872 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 11:42:59,872 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 11:42:59,872 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-08 11:42:59,873 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-08 11:42:59,873 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_db356b20-8efa-42e0-aed5-70790275ed6a/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 -> 13552cca99ea1df7c66453eb01c81a7b6abf3a1a [2018-12-08 11:42:59,890 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 11:42:59,899 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 11:42:59,902 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 11:42:59,903 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 11:42:59,903 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 11:42:59,904 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_db356b20-8efa-42e0-aed5-70790275ed6a/bin-2019/uautomizer/../../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca_true-valid-memsafety_true-termination.i [2018-12-08 11:42:59,946 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_db356b20-8efa-42e0-aed5-70790275ed6a/bin-2019/uautomizer/data/2073d96a4/f2252a3ee4144e508f53a1ced611f9f1/FLAG1a93ed72e [2018-12-08 11:43:00,407 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 11:43:00,407 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_db356b20-8efa-42e0-aed5-70790275ed6a/sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca_true-valid-memsafety_true-termination.i [2018-12-08 11:43:00,413 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_db356b20-8efa-42e0-aed5-70790275ed6a/bin-2019/uautomizer/data/2073d96a4/f2252a3ee4144e508f53a1ced611f9f1/FLAG1a93ed72e [2018-12-08 11:43:00,944 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_db356b20-8efa-42e0-aed5-70790275ed6a/bin-2019/uautomizer/data/2073d96a4/f2252a3ee4144e508f53a1ced611f9f1 [2018-12-08 11:43:00,950 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 11:43:00,951 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 11:43:00,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 11:43:00,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 11:43:00,954 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 11:43:00,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:43:00" (1/1) ... [2018-12-08 11:43:00,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76357b84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:43:00, skipping insertion in model container [2018-12-08 11:43:00,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:43:00" (1/1) ... [2018-12-08 11:43:00,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 11:43:00,979 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 11:43:01,119 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:43:01,125 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 11:43:01,188 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:43:01,215 INFO L195 MainTranslator]: Completed translation [2018-12-08 11:43:01,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:43:01 WrapperNode [2018-12-08 11:43:01,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 11:43:01,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 11:43:01,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 11:43:01,216 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 11:43:01,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:43:01" (1/1) ... [2018-12-08 11:43:01,228 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:43:01" (1/1) ... [2018-12-08 11:43:01,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 11:43:01,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 11:43:01,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 11:43:01,240 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 11:43:01,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:43:01" (1/1) ... [2018-12-08 11:43:01,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:43:01" (1/1) ... [2018-12-08 11:43:01,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:43:01" (1/1) ... [2018-12-08 11:43:01,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:43:01" (1/1) ... [2018-12-08 11:43:01,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:43:01" (1/1) ... [2018-12-08 11:43:01,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:43:01" (1/1) ... [2018-12-08 11:43:01,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:43:01" (1/1) ... [2018-12-08 11:43:01,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 11:43:01,255 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 11:43:01,255 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 11:43:01,255 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 11:43:01,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:43:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db356b20-8efa-42e0-aed5-70790275ed6a/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 [2018-12-08 11:43:01,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 11:43:01,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 11:43:01,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 11:43:01,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 11:43:01,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 11:43:01,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 11:43:01,404 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 11:43:01,405 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-08 11:43:01,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:43:01 BoogieIcfgContainer [2018-12-08 11:43:01,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 11:43:01,405 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-08 11:43:01,405 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-08 11:43:01,407 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-08 11:43:01,408 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 11:43:01,408 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.12 11:43:00" (1/3) ... [2018-12-08 11:43:01,409 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23c27462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 11:43:01, skipping insertion in model container [2018-12-08 11:43:01,409 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 11:43:01,409 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:43:01" (2/3) ... [2018-12-08 11:43:01,409 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23c27462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 11:43:01, skipping insertion in model container [2018-12-08 11:43:01,409 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 11:43:01,409 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:43:01" (3/3) ... [2018-12-08 11:43:01,410 INFO L375 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcat-alloca_true-valid-memsafety_true-termination.i [2018-12-08 11:43:01,440 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 11:43:01,441 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-08 11:43:01,441 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-08 11:43:01,441 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-08 11:43:01,441 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 11:43:01,441 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 11:43:01,441 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-08 11:43:01,441 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 11:43:01,441 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-08 11:43:01,449 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2018-12-08 11:43:01,463 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2018-12-08 11:43:01,463 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 11:43:01,463 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 11:43:01,467 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-08 11:43:01,467 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-12-08 11:43:01,467 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-08 11:43:01,467 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2018-12-08 11:43:01,468 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2018-12-08 11:43:01,468 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 11:43:01,468 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 11:43:01,468 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-08 11:43:01,468 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-12-08 11:43:01,473 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 10#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~ret12.base, main_#t~ret12.offset, main_~length1~0, main_~length2~0, main_~length3~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~length2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~length3~0 := main_#t~nondet9;havoc main_#t~nondet9; 13#L552true assume !(main_~length1~0 < 1); 17#L552-2true assume !(main_~length2~0 < 2); 7#L555-1true assume !(main_~length3~0 < 1); 3#L558-1true assume !(main_~length2~0 - main_~length3~0 < main_~length1~0 || main_~length3~0 > main_~length2~0);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.alloc(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.alloc(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length3~0 - 1), 1);cstrcat_#in~s.base, cstrcat_#in~s.offset, cstrcat_#in~append.base, cstrcat_#in~append.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~nondetString1~0.base, main_~nondetString1~0.offset;havoc cstrcat_#res.base, cstrcat_#res.offset;havoc cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset, cstrcat_#t~mem3, cstrcat_#t~post4.base, cstrcat_#t~post4.offset, cstrcat_#t~post5.base, cstrcat_#t~post5.offset, cstrcat_#t~mem6, cstrcat_~s.base, cstrcat_~s.offset, cstrcat_~append.base, cstrcat_~append.offset, cstrcat_~save~0.base, cstrcat_~save~0.offset;cstrcat_~s.base, cstrcat_~s.offset := cstrcat_#in~s.base, cstrcat_#in~s.offset;cstrcat_~append.base, cstrcat_~append.offset := cstrcat_#in~append.base, cstrcat_#in~append.offset;cstrcat_~save~0.base, cstrcat_~save~0.offset := cstrcat_~s.base, cstrcat_~s.offset; 15#L544-4true [2018-12-08 11:43:01,473 INFO L796 eck$LassoCheckResult]: Loop: 15#L544-4true call cstrcat_#t~mem3 := read~int(cstrcat_~s.base, cstrcat_~s.offset, 1); 8#L544-1true assume !!(0 != cstrcat_#t~mem3);havoc cstrcat_#t~mem3; 14#L544-3true cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset := cstrcat_~s.base, 1 + cstrcat_~s.offset;cstrcat_~s.base, cstrcat_~s.offset := cstrcat_~s.base, 1 + cstrcat_~s.offset;havoc cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset; 15#L544-4true [2018-12-08 11:43:01,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:43:01,477 INFO L82 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2018-12-08 11:43:01,478 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:43:01,478 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:43:01,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:43:01,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:43:01,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:43:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 11:43:01,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 11:43:01,563 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:43:01,563 INFO L82 PathProgramCache]: Analyzing trace with hash 58750, now seen corresponding path program 1 times [2018-12-08 11:43:01,563 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:43:01,563 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:43:01,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:43:01,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:43:01,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:43:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 11:43:01,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 11:43:01,571 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:43:01,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1302197936, now seen corresponding path program 1 times [2018-12-08 11:43:01,571 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:43:01,571 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:43:01,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:43:01,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:43:01,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:43:01,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 11:43:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 11:43:01,837 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 90 [2018-12-08 11:43:01,917 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 11:43:01,918 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 11:43:01,918 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 11:43:01,918 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 11:43:01,918 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-08 11:43:01,918 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 11:43:01,919 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 11:43:01,919 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 11:43:01,919 INFO L131 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcat-alloca_true-valid-memsafety_true-termination.i_Iteration1_Lasso [2018-12-08 11:43:01,919 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 11:43:01,919 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 11:43:01,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 11:43:01,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 11:43:01,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 11:43:01,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 11:43:01,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 11:43:01,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 11:43:01,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 11:43:01,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 11:43:01,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 11:43:01,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 11:43:01,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 11:43:01,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 11:43:01,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 11:43:01,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 11:43:01,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 11:43:02,106 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2018-12-08 11:43:02,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 11:43:02,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 11:43:02,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 11:43:02,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 11:43:02,398 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 11:43:02,401 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-08 11:43:02,402 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 [2018-12-08 11:43:02,403 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 11:43:02,403 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 11:43:02,404 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 11:43:02,404 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 11:43:02,404 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 11:43:02,405 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 11:43:02,405 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 11:43:02,407 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 11:43:02,407 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 [2018-12-08 11:43:02,408 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 11:43:02,408 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 11:43:02,408 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 11:43:02,408 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 11:43:02,408 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 11:43:02,409 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 11:43:02,409 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 11:43:02,409 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 11:43:02,410 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 [2018-12-08 11:43:02,410 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 11:43:02,410 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 11:43:02,410 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 11:43:02,410 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 11:43:02,410 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 11:43:02,411 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 11:43:02,411 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 11:43:02,411 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 11:43:02,412 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 [2018-12-08 11:43:02,412 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 11:43:02,412 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 11:43:02,412 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 11:43:02,413 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 11:43:02,413 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 11:43:02,413 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 11:43:02,413 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 11:43:02,414 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 11:43:02,414 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 [2018-12-08 11:43:02,415 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 11:43:02,415 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 11:43:02,415 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 11:43:02,415 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 11:43:02,417 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 11:43:02,417 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 11:43:02,420 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 11:43:02,420 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 [2018-12-08 11:43:02,421 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 11:43:02,421 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 11:43:02,421 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 11:43:02,421 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 11:43:02,421 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 11:43:02,422 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 11:43:02,422 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 11:43:02,422 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 11:43:02,423 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 [2018-12-08 11:43:02,423 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 11:43:02,423 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 11:43:02,424 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 11:43:02,424 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 11:43:02,424 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 11:43:02,424 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 11:43:02,424 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 11:43:02,425 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 11:43:02,425 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 [2018-12-08 11:43:02,426 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 11:43:02,426 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 11:43:02,426 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 11:43:02,426 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 11:43:02,426 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 11:43:02,426 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 11:43:02,426 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 11:43:02,427 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 11:43:02,427 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 [2018-12-08 11:43:02,428 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 11:43:02,428 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 11:43:02,428 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 11:43:02,428 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 11:43:02,430 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 11:43:02,430 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 11:43:02,433 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 11:43:02,433 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 [2018-12-08 11:43:02,433 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 11:43:02,434 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 11:43:02,434 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 11:43:02,434 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 11:43:02,434 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 11:43:02,434 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 11:43:02,434 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 11:43:02,435 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 11:43:02,435 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 [2018-12-08 11:43:02,435 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 11:43:02,435 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 11:43:02,436 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 11:43:02,436 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 11:43:02,436 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 11:43:02,436 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 11:43:02,436 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 11:43:02,437 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 11:43:02,437 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 [2018-12-08 11:43:02,438 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 11:43:02,438 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 11:43:02,438 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 11:43:02,438 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 11:43:02,438 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 11:43:02,439 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 11:43:02,439 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 11:43:02,439 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 11:43:02,440 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 [2018-12-08 11:43:02,440 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 11:43:02,440 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 11:43:02,440 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 11:43:02,441 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 11:43:02,441 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 11:43:02,441 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 11:43:02,441 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 11:43:02,442 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 11:43:02,442 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 [2018-12-08 11:43:02,442 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 11:43:02,442 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 11:43:02,442 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 11:43:02,443 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 11:43:02,443 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 11:43:02,443 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 11:43:02,443 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 11:43:02,444 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 11:43:02,444 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 [2018-12-08 11:43:02,444 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 11:43:02,444 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 11:43:02,444 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 11:43:02,445 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 11:43:02,446 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 11:43:02,446 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 11:43:02,448 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 11:43:02,449 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 [2018-12-08 11:43:02,449 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 11:43:02,449 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 11:43:02,450 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 11:43:02,450 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 11:43:02,454 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 11:43:02,454 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 11:43:02,497 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-08 11:43:02,519 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-08 11:43:02,519 INFO L444 ModelExtractionUtils]: 45 out of 49 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-12-08 11:43:02,521 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-08 11:43:02,522 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-12-08 11:43:02,523 INFO L518 LassoAnalysis]: Proved termination. [2018-12-08 11:43:02,523 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcat_~s.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_1) = -1*ULTIMATE.start_cstrcat_~s.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_1 Supporting invariants [] [2018-12-08 11:43:02,544 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2018-12-08 11:43:02,551 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 11:43:02,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:43:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:43:02,598 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:43:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:43:02,606 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:43:02,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:43:02,627 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 [2018-12-08 11:43:02,628 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 3 states. [2018-12-08 11:43:02,668 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 3 states. Result 34 states and 44 transitions. Complement of second has 8 states. [2018-12-08 11:43:02,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-12-08 11:43:02,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-12-08 11:43:02,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2018-12-08 11:43:02,671 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 6 letters. Loop has 3 letters. [2018-12-08 11:43:02,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 11:43:02,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 9 letters. Loop has 3 letters. [2018-12-08 11:43:02,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 11:43:02,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 6 letters. Loop has 6 letters. [2018-12-08 11:43:02,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 11:43:02,673 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 44 transitions. [2018-12-08 11:43:02,674 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-08 11:43:02,676 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 0 states and 0 transitions. [2018-12-08 11:43:02,677 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-08 11:43:02,677 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-08 11:43:02,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-08 11:43:02,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-08 11:43:02,677 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 11:43:02,677 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 11:43:02,677 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 11:43:02,678 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-08 11:43:02,678 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-08 11:43:02,678 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-08 11:43:02,678 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-08 11:43:02,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.12 11:43:02 BoogieIcfgContainer [2018-12-08 11:43:02,681 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-08 11:43:02,681 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 11:43:02,681 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 11:43:02,682 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 11:43:02,682 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:43:01" (3/4) ... [2018-12-08 11:43:02,684 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 11:43:02,684 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 11:43:02,685 INFO L168 Benchmark]: Toolchain (without parser) took 1734.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -109.7 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. [2018-12-08 11:43:02,685 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:43:02,685 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -154.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-08 11:43:02,686 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2018-12-08 11:43:02,686 INFO L168 Benchmark]: Boogie Preprocessor took 14.66 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:43:02,686 INFO L168 Benchmark]: RCFGBuilder took 149.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2018-12-08 11:43:02,687 INFO L168 Benchmark]: BuchiAutomizer took 1275.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. [2018-12-08 11:43:02,687 INFO L168 Benchmark]: Witness Printer took 2.90 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:43:02,689 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 264.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -154.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.66 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 149.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1275.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.90 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * 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 * s + unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. 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: 17 SDtfs, 19 SDslu, 8 SDs, 0 SdLazy, 7 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital186 mio100 ax100 hnf98 lsp96 ukn78 mio100 lsp50 div100 bol100 ite100 ukn100 eq188 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 5ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...