./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrcat_diffterm_alloca_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f23fb6b0-5bfd-44aa-a842-85c196aecdfa/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f23fb6b0-5bfd-44aa-a842-85c196aecdfa/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f23fb6b0-5bfd-44aa-a842-85c196aecdfa/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f23fb6b0-5bfd-44aa-a842-85c196aecdfa/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrcat_diffterm_alloca_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f23fb6b0-5bfd-44aa-a842-85c196aecdfa/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f23fb6b0-5bfd-44aa-a842-85c196aecdfa/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6a26bec8435101bdbb43abb11ad0cdd911d4601c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:50:56,914 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:50:56,916 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:50:56,923 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:50:56,923 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:50:56,924 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:50:56,924 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:50:56,925 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:50:56,926 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:50:56,926 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:50:56,927 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:50:56,927 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:50:56,927 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:50:56,928 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:50:56,928 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:50:56,929 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:50:56,929 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:50:56,931 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:50:56,932 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:50:56,932 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:50:56,933 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:50:56,934 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:50:56,935 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:50:56,936 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:50:56,936 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:50:56,936 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:50:56,937 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:50:56,937 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:50:56,938 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:50:56,938 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:50:56,939 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:50:56,939 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:50:56,939 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:50:56,939 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:50:56,940 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:50:56,941 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:50:56,941 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f23fb6b0-5bfd-44aa-a842-85c196aecdfa/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-28 12:50:56,950 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:50:56,950 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:50:56,951 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:50:56,951 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:50:56,951 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:50:56,951 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 12:50:56,951 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 12:50:56,952 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 12:50:56,952 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 12:50:56,952 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 12:50:56,952 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 12:50:56,952 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:50:56,952 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 12:50:56,952 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:50:56,953 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:50:56,953 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 12:50:56,953 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 12:50:56,953 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 12:50:56,953 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:50:56,953 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 12:50:56,954 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:50:56,954 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 12:50:56,954 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:50:56,954 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:50:56,954 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 12:50:56,954 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:50:56,955 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:50:56,955 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 12:50:56,955 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 12:50:56,956 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_f23fb6b0-5bfd-44aa-a842-85c196aecdfa/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a26bec8435101bdbb43abb11ad0cdd911d4601c [2018-11-28 12:50:56,980 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:50:56,988 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:50:56,991 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:50:56,992 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:50:56,992 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:50:56,993 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f23fb6b0-5bfd-44aa-a842-85c196aecdfa/bin-2019/uautomizer/../../sv-benchmarks/c/termination-15/cstrcat_diffterm_alloca_true-termination.c.i [2018-11-28 12:50:57,036 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f23fb6b0-5bfd-44aa-a842-85c196aecdfa/bin-2019/uautomizer/data/c5a9cc9ab/9a70f50b7dbc4d58b05417fdc14674fc/FLAG103a56e50 [2018-11-28 12:50:57,473 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:50:57,473 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f23fb6b0-5bfd-44aa-a842-85c196aecdfa/sv-benchmarks/c/termination-15/cstrcat_diffterm_alloca_true-termination.c.i [2018-11-28 12:50:57,480 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f23fb6b0-5bfd-44aa-a842-85c196aecdfa/bin-2019/uautomizer/data/c5a9cc9ab/9a70f50b7dbc4d58b05417fdc14674fc/FLAG103a56e50 [2018-11-28 12:50:57,490 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f23fb6b0-5bfd-44aa-a842-85c196aecdfa/bin-2019/uautomizer/data/c5a9cc9ab/9a70f50b7dbc4d58b05417fdc14674fc [2018-11-28 12:50:57,491 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:50:57,492 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:50:57,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:50:57,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:50:57,495 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:50:57,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:50:57" (1/1) ... [2018-11-28 12:50:57,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35e3c1b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:50:57, skipping insertion in model container [2018-11-28 12:50:57,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:50:57" (1/1) ... [2018-11-28 12:50:57,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:50:57,523 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:50:57,711 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:50:57,718 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:50:57,809 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:50:57,839 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:50:57,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:50:57 WrapperNode [2018-11-28 12:50:57,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:50:57,840 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:50:57,840 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:50:57,840 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:50:57,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:50:57" (1/1) ... [2018-11-28 12:50:57,855 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:50:57" (1/1) ... [2018-11-28 12:50:57,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:50:57,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:50:57,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:50:57,869 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:50:57,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:50:57" (1/1) ... [2018-11-28 12:50:57,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:50:57" (1/1) ... [2018-11-28 12:50:57,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:50:57" (1/1) ... [2018-11-28 12:50:57,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:50:57" (1/1) ... [2018-11-28 12:50:57,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:50:57" (1/1) ... [2018-11-28 12:50:57,884 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:50:57" (1/1) ... [2018-11-28 12:50:57,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:50:57" (1/1) ... [2018-11-28 12:50:57,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:50:57,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:50:57,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:50:57,887 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:50:57,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:50:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f23fb6b0-5bfd-44aa-a842-85c196aecdfa/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 [2018-11-28 12:50:57,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:50:57,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 12:50:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 12:50:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 12:50:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:50:57,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:50:58,069 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:50:58,070 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-28 12:50:58,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:50:58 BoogieIcfgContainer [2018-11-28 12:50:58,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:50:58,071 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 12:50:58,071 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 12:50:58,073 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 12:50:58,074 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:50:58,074 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 12:50:57" (1/3) ... [2018-11-28 12:50:58,075 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@606d197a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:50:58, skipping insertion in model container [2018-11-28 12:50:58,075 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:50:58,075 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:50:57" (2/3) ... [2018-11-28 12:50:58,075 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@606d197a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:50:58, skipping insertion in model container [2018-11-28 12:50:58,075 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:50:58,075 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:50:58" (3/3) ... [2018-11-28 12:50:58,079 INFO L375 chiAutomizerObserver]: Analyzing ICFG cstrcat_diffterm_alloca_true-termination.c.i [2018-11-28 12:50:58,115 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:50:58,115 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 12:50:58,115 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 12:50:58,116 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 12:50:58,116 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:50:58,116 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:50:58,116 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 12:50:58,116 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:50:58,116 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 12:50:58,124 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2018-11-28 12:50:58,138 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2018-11-28 12:50:58,138 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:50:58,138 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:50:58,144 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 12:50:58,144 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 12:50:58,144 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 12:50:58,144 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2018-11-28 12:50:58,146 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2018-11-28 12:50:58,146 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:50:58,146 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:50:58,146 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 12:50:58,146 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 12:50:58,153 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 8#L-1true havoc main_#res;havoc main_#t~nondet210, main_#t~nondet211, main_#t~nondet212, main_#t~malloc213.base, main_#t~malloc213.offset, main_#t~malloc214.base, main_#t~malloc214.offset, main_#t~ret215.base, main_#t~ret215.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~nondet210;havoc main_#t~nondet210;main_~length2~0 := main_#t~nondet211;havoc main_#t~nondet211;main_~length3~0 := main_#t~nondet212;havoc main_#t~nondet212; 3#L377true assume !(main_~length1~0 < 1); 6#L377-2true assume !(main_~length2~0 < 2); 15#L380-1true assume !(main_~length3~0 < 1); 9#L383-1true assume !(main_~length2~0 - main_~length3~0 < main_~length1~0 || main_~length3~0 > main_~length2~0);call main_#t~malloc213.base, main_#t~malloc213.offset := #Ultimate.alloc(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc213.base, main_#t~malloc213.offset;call main_#t~malloc214.base, main_#t~malloc214.offset := #Ultimate.alloc(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc214.base, main_#t~malloc214.offset;call write~int(49, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(49, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length3~0 - 1), 1);cstrcat_#in~s1.base, cstrcat_#in~s1.offset, cstrcat_#in~s2.base, cstrcat_#in~s2.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~post206.base, cstrcat_#t~post206.offset, cstrcat_#t~mem205, cstrcat_#t~post207.base, cstrcat_#t~post207.offset, cstrcat_#t~post208.base, cstrcat_#t~post208.offset, cstrcat_#t~mem209, cstrcat_~s1.base, cstrcat_~s1.offset, cstrcat_~s2.base, cstrcat_~s2.offset, cstrcat_~s~0.base, cstrcat_~s~0.offset;cstrcat_~s1.base, cstrcat_~s1.offset := cstrcat_#in~s1.base, cstrcat_#in~s1.offset;cstrcat_~s2.base, cstrcat_~s2.offset := cstrcat_#in~s2.base, cstrcat_#in~s2.offset;cstrcat_~s~0.base, cstrcat_~s~0.offset := cstrcat_~s1.base, cstrcat_~s1.offset; 7#L367-3true [2018-11-28 12:50:58,153 INFO L796 eck$LassoCheckResult]: Loop: 7#L367-3true call cstrcat_#t~mem205 := read~int(cstrcat_~s~0.base, cstrcat_~s~0.offset, 1); 4#L367-1true assume !!(49 != cstrcat_#t~mem205);havoc cstrcat_#t~mem205;cstrcat_#t~post206.base, cstrcat_#t~post206.offset := cstrcat_~s~0.base, cstrcat_~s~0.offset;cstrcat_~s~0.base, cstrcat_~s~0.offset := cstrcat_#t~post206.base, 1 + cstrcat_#t~post206.offset;havoc cstrcat_#t~post206.base, cstrcat_#t~post206.offset; 7#L367-3true [2018-11-28 12:50:58,158 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:50:58,158 INFO L82 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2018-11-28 12:50:58,159 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:50:58,160 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:50:58,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:50:58,193 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:50:58,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:50:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:50:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:50:58,261 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:50:58,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2018-11-28 12:50:58,261 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:50:58,261 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:50:58,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:50:58,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:50:58,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:50:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:50:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:50:58,268 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:50:58,268 INFO L82 PathProgramCache]: Analyzing trace with hash 180553748, now seen corresponding path program 1 times [2018-11-28 12:50:58,269 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:50:58,269 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:50:58,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:50:58,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:50:58,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:50:58,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:50:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:50:58,597 WARN L180 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 91 [2018-11-28 12:50:58,672 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:50:58,673 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:50:58,673 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:50:58,673 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:50:58,674 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 12:50:58,674 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:50:58,674 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:50:58,674 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:50:58,674 INFO L131 ssoRankerPreferences]: Filename of dumped script: cstrcat_diffterm_alloca_true-termination.c.i_Iteration1_Lasso [2018-11-28 12:50:58,674 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:50:58,674 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:50:58,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:50:58,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:50:58,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:50:58,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:50:58,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:50:58,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:50:58,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:50:58,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:50:58,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:50:58,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:50:58,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:50:58,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:50:58,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:50:58,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:50:58,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:50:58,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:50:58,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:50:58,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:50:58,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:50:58,905 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2018-11-28 12:50:59,229 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:50:59,233 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 12:50:59,234 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 [2018-11-28 12:50:59,235 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:50:59,235 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:50:59,236 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:50:59,236 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:50:59,236 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:50:59,237 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:50:59,237 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:50:59,239 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:50:59,239 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 [2018-11-28 12:50:59,240 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:50:59,240 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:50:59,240 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:50:59,240 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:50:59,242 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:50:59,242 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:50:59,245 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:50:59,246 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 [2018-11-28 12:50:59,246 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:50:59,246 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:50:59,247 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:50:59,247 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:50:59,247 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:50:59,247 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:50:59,247 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:50:59,248 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:50:59,249 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 [2018-11-28 12:50:59,249 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:50:59,249 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:50:59,249 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:50:59,249 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:50:59,249 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:50:59,250 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:50:59,250 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:50:59,251 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:50:59,251 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 [2018-11-28 12:50:59,251 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:50:59,251 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:50:59,252 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:50:59,252 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:50:59,253 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:50:59,253 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:50:59,256 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:50:59,256 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 [2018-11-28 12:50:59,256 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:50:59,256 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:50:59,257 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:50:59,257 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:50:59,257 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:50:59,257 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:50:59,257 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:50:59,258 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:50:59,259 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 [2018-11-28 12:50:59,259 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:50:59,259 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:50:59,259 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:50:59,259 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:50:59,259 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:50:59,260 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:50:59,260 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:50:59,260 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:50:59,261 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 [2018-11-28 12:50:59,261 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:50:59,261 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:50:59,261 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:50:59,262 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:50:59,262 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:50:59,262 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:50:59,262 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:50:59,263 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:50:59,263 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 [2018-11-28 12:50:59,263 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:50:59,263 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:50:59,264 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:50:59,264 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:50:59,264 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:50:59,264 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:50:59,264 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:50:59,265 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:50:59,265 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 [2018-11-28 12:50:59,265 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:50:59,266 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:50:59,266 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:50:59,266 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:50:59,266 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:50:59,266 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:50:59,266 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:50:59,267 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:50:59,268 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 [2018-11-28 12:50:59,268 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:50:59,268 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:50:59,268 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:50:59,268 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:50:59,268 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:50:59,268 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:50:59,268 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:50:59,269 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:50:59,269 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 [2018-11-28 12:50:59,269 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:50:59,269 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:50:59,269 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:50:59,270 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:50:59,270 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:50:59,270 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:50:59,270 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:50:59,270 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:50:59,270 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 [2018-11-28 12:50:59,271 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:50:59,271 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:50:59,271 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:50:59,271 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:50:59,271 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:50:59,271 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:50:59,271 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:50:59,272 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:50:59,272 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 [2018-11-28 12:50:59,272 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:50:59,272 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:50:59,272 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:50:59,272 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:50:59,272 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:50:59,273 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:50:59,273 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:50:59,273 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:50:59,273 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 [2018-11-28 12:50:59,273 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:50:59,273 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:50:59,274 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:50:59,274 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:50:59,274 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:50:59,274 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:50:59,274 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:50:59,275 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:50:59,275 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 [2018-11-28 12:50:59,275 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:50:59,275 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:50:59,275 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:50:59,275 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:50:59,275 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:50:59,276 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:50:59,276 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:50:59,276 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:50:59,277 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 [2018-11-28 12:50:59,277 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:50:59,277 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:50:59,277 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:50:59,277 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:50:59,277 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:50:59,278 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:50:59,278 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:50:59,278 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:50:59,279 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 [2018-11-28 12:50:59,279 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:50:59,279 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:50:59,279 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:50:59,280 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:50:59,280 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:50:59,280 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:50:59,280 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:50:59,281 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:50:59,281 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 [2018-11-28 12:50:59,282 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:50:59,282 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:50:59,282 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:50:59,282 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:50:59,283 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:50:59,283 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:50:59,286 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:50:59,287 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 [2018-11-28 12:50:59,287 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:50:59,287 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:50:59,288 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:50:59,288 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:50:59,289 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:50:59,289 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:50:59,292 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:50:59,293 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 [2018-11-28 12:50:59,293 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:50:59,293 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:50:59,294 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:50:59,294 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:50:59,295 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:50:59,295 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:50:59,306 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:50:59,306 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 [2018-11-28 12:50:59,307 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:50:59,307 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:50:59,307 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:50:59,307 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:50:59,311 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:50:59,311 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:50:59,348 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 12:50:59,365 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 12:50:59,365 INFO L444 ModelExtractionUtils]: 45 out of 49 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-28 12:50:59,367 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 12:50:59,368 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-28 12:50:59,368 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 12:50:59,369 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc214.base)_1, ULTIMATE.start_cstrcat_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc214.base)_1 - 1*ULTIMATE.start_cstrcat_~s~0.offset Supporting invariants [] [2018-11-28 12:50:59,413 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2018-11-28 12:50:59,418 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-11-28 12:50:59,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:50:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:50:59,452 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:50:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:50:59,464 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:50:59,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:50:59,487 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 [2018-11-28 12:50:59,488 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 3 states. [2018-11-28 12:50:59,543 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 3 states. Result 32 states and 42 transitions. Complement of second has 8 states. [2018-11-28 12:50:59,543 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 [2018-11-28 12:50:59,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-28 12:50:59,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2018-11-28 12:50:59,546 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 6 letters. Loop has 2 letters. [2018-11-28 12:50:59,546 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:50:59,546 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 8 letters. Loop has 2 letters. [2018-11-28 12:50:59,547 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:50:59,547 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 6 letters. Loop has 4 letters. [2018-11-28 12:50:59,547 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:50:59,547 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 42 transitions. [2018-11-28 12:50:59,549 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 12:50:59,551 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2018-11-28 12:50:59,552 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 12:50:59,552 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 12:50:59,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 12:50:59,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:50:59,552 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:50:59,552 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:50:59,552 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:50:59,553 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 12:50:59,553 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:50:59,553 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 12:50:59,553 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 12:50:59,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 12:50:59 BoogieIcfgContainer [2018-11-28 12:50:59,556 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 12:50:59,557 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:50:59,557 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:50:59,557 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:50:59,557 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:50:58" (3/4) ... [2018-11-28 12:50:59,559 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 12:50:59,559 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:50:59,560 INFO L168 Benchmark]: Toolchain (without parser) took 2068.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -78.2 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:50:59,561 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. [2018-11-28 12:50:59,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 346.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -132.5 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:50:59,562 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:50:59,562 INFO L168 Benchmark]: Boogie Preprocessor took 17.65 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. [2018-11-28 12:50:59,562 INFO L168 Benchmark]: RCFGBuilder took 183.62 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:50:59,563 INFO L168 Benchmark]: BuchiAutomizer took 1485.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:50:59,563 INFO L168 Benchmark]: Witness Printer took 3.01 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:50:59,566 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 346.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -132.5 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.65 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 183.62 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1485.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.01 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 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 * s and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. 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: 16 SDtfs, 17 SDslu, 7 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: 6ms 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...