./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrcpy_mixed_alloca_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f44331a4-0c27-47de-ad2f-4ac41ffc7100/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f44331a4-0c27-47de-ad2f-4ac41ffc7100/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f44331a4-0c27-47de-ad2f-4ac41ffc7100/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f44331a4-0c27-47de-ad2f-4ac41ffc7100/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrcpy_mixed_alloca_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f44331a4-0c27-47de-ad2f-4ac41ffc7100/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f44331a4-0c27-47de-ad2f-4ac41ffc7100/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 4401d2928f3fda81d6bafd7bed67698eedceeb36 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:35:39,934 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 09:35:39,935 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 09:35:39,942 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 09:35:39,943 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 09:35:39,943 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 09:35:39,944 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 09:35:39,944 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 09:35:39,945 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 09:35:39,946 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 09:35:39,946 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 09:35:39,946 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 09:35:39,947 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 09:35:39,947 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 09:35:39,948 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 09:35:39,948 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 09:35:39,949 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 09:35:39,950 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 09:35:39,951 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 09:35:39,952 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 09:35:39,953 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 09:35:39,954 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 09:35:39,955 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 09:35:39,955 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 09:35:39,955 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 09:35:39,955 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 09:35:39,956 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 09:35:39,956 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 09:35:39,957 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 09:35:39,958 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 09:35:39,958 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 09:35:39,958 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 09:35:39,958 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 09:35:39,959 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 09:35:39,959 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 09:35:39,960 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 09:35:39,960 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f44331a4-0c27-47de-ad2f-4ac41ffc7100/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-12-08 09:35:39,970 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 09:35:39,970 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 09:35:39,971 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 09:35:39,971 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 09:35:39,971 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 09:35:39,971 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-08 09:35:39,971 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-08 09:35:39,972 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-08 09:35:39,972 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-08 09:35:39,972 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-08 09:35:39,972 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-08 09:35:39,972 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 09:35:39,972 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 09:35:39,972 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 09:35:39,973 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 09:35:39,973 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-08 09:35:39,973 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-08 09:35:39,973 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-08 09:35:39,973 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 09:35:39,973 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-08 09:35:39,973 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 09:35:39,974 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-08 09:35:39,974 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 09:35:39,974 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 09:35:39,974 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-08 09:35:39,974 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 09:35:39,974 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 09:35:39,975 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-08 09:35:39,975 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-08 09:35:39,975 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_f44331a4-0c27-47de-ad2f-4ac41ffc7100/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 -> 4401d2928f3fda81d6bafd7bed67698eedceeb36 [2018-12-08 09:35:39,997 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 09:35:40,004 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 09:35:40,006 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 09:35:40,007 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 09:35:40,007 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 09:35:40,007 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f44331a4-0c27-47de-ad2f-4ac41ffc7100/bin-2019/uautomizer/../../sv-benchmarks/c/termination-15/cstrcpy_mixed_alloca_true-termination.c.i [2018-12-08 09:35:40,040 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f44331a4-0c27-47de-ad2f-4ac41ffc7100/bin-2019/uautomizer/data/67acc9669/cfa9c95eeb8643249987b5ec645a30f0/FLAG766803272 [2018-12-08 09:35:40,364 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 09:35:40,364 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f44331a4-0c27-47de-ad2f-4ac41ffc7100/sv-benchmarks/c/termination-15/cstrcpy_mixed_alloca_true-termination.c.i [2018-12-08 09:35:40,369 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f44331a4-0c27-47de-ad2f-4ac41ffc7100/bin-2019/uautomizer/data/67acc9669/cfa9c95eeb8643249987b5ec645a30f0/FLAG766803272 [2018-12-08 09:35:40,783 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f44331a4-0c27-47de-ad2f-4ac41ffc7100/bin-2019/uautomizer/data/67acc9669/cfa9c95eeb8643249987b5ec645a30f0 [2018-12-08 09:35:40,785 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 09:35:40,786 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 09:35:40,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 09:35:40,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 09:35:40,790 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 09:35:40,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 09:35:40" (1/1) ... [2018-12-08 09:35:40,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f3ca699 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:35:40, skipping insertion in model container [2018-12-08 09:35:40,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 09:35:40" (1/1) ... [2018-12-08 09:35:40,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 09:35:40,822 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 09:35:40,980 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 09:35:40,986 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 09:35:41,052 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 09:35:41,089 INFO L195 MainTranslator]: Completed translation [2018-12-08 09:35:41,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:35:41 WrapperNode [2018-12-08 09:35:41,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 09:35:41,090 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 09:35:41,090 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 09:35:41,090 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 09:35:41,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:35:41" (1/1) ... [2018-12-08 09:35:41,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:35:41" (1/1) ... [2018-12-08 09:35:41,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 09:35:41,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 09:35:41,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 09:35:41,124 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 09:35:41,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:35:41" (1/1) ... [2018-12-08 09:35:41,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:35:41" (1/1) ... [2018-12-08 09:35:41,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:35:41" (1/1) ... [2018-12-08 09:35:41,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:35:41" (1/1) ... [2018-12-08 09:35:41,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:35:41" (1/1) ... [2018-12-08 09:35:41,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:35:41" (1/1) ... [2018-12-08 09:35:41,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:35:41" (1/1) ... [2018-12-08 09:35:41,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 09:35:41,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 09:35:41,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 09:35:41,139 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 09:35:41,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:35:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f44331a4-0c27-47de-ad2f-4ac41ffc7100/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 09:35:41,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 09:35:41,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 09:35:41,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 09:35:41,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 09:35:41,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 09:35:41,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 09:35:41,283 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 09:35:41,283 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 09:35:41,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:35:41 BoogieIcfgContainer [2018-12-08 09:35:41,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 09:35:41,284 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-08 09:35:41,284 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-08 09:35:41,286 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-08 09:35:41,287 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 09:35:41,287 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.12 09:35:40" (1/3) ... [2018-12-08 09:35:41,288 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74f1dbbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 09:35:41, skipping insertion in model container [2018-12-08 09:35:41,288 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 09:35:41,288 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:35:41" (2/3) ... [2018-12-08 09:35:41,288 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74f1dbbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 09:35:41, skipping insertion in model container [2018-12-08 09:35:41,288 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 09:35:41,288 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:35:41" (3/3) ... [2018-12-08 09:35:41,289 INFO L375 chiAutomizerObserver]: Analyzing ICFG cstrcpy_mixed_alloca_true-termination.c.i [2018-12-08 09:35:41,321 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 09:35:41,321 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-08 09:35:41,322 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-08 09:35:41,322 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-08 09:35:41,322 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 09:35:41,322 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 09:35:41,322 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-08 09:35:41,322 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 09:35:41,322 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-08 09:35:41,332 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2018-12-08 09:35:41,344 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-08 09:35:41,344 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 09:35:41,344 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 09:35:41,348 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-12-08 09:35:41,348 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-08 09:35:41,348 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-08 09:35:41,348 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2018-12-08 09:35:41,349 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-08 09:35:41,349 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 09:35:41,349 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 09:35:41,349 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-12-08 09:35:41,349 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-08 09:35:41,354 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~nondet208, main_#t~nondet209, main_#t~malloc210.base, main_#t~malloc210.offset, main_#t~malloc211.base, main_#t~malloc211.offset, main_#t~ret212.base, main_#t~ret212.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet208;havoc main_#t~nondet208;main_~length2~0 := main_#t~nondet209;havoc main_#t~nondet209; 9#L375true assume !(main_~length1~0 < 1); 13#L375-2true assume !(main_~length2~0 < 1); 4#L378-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc210.base, main_#t~malloc210.offset := #Ultimate.alloc(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc210.base, main_#t~malloc210.offset;call main_#t~malloc211.base, main_#t~malloc211.offset := #Ultimate.alloc(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc211.base, main_#t~malloc211.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset + (main_~length1~0 - 1);cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset, cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, cstrcpy_#t~mem207, cstrcpy_~s1.base, cstrcpy_~s1.offset, cstrcpy_~s2.base, cstrcpy_~s2.offset, cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset, cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~s1.base, cstrcpy_~s1.offset := cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset;cstrcpy_~s2.base, cstrcpy_~s2.offset := cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_~s1.base, cstrcpy_~s1.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_~s2.base, cstrcpy_~s2.offset; 7#L368-3true [2018-12-08 09:35:41,354 INFO L796 eck$LassoCheckResult]: Loop: 7#L368-3true cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset := cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset - 1;cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset := cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_#t~post206.base, 1 + cstrcpy_#t~post206.offset;call cstrcpy_#t~mem207 := read~int(cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, 1);call write~int(cstrcpy_#t~mem207, cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, 1); 14#L368-1true assume !!(0 != cstrcpy_#t~mem207);havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset;havoc cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset;havoc cstrcpy_#t~mem207; 7#L368-3true [2018-12-08 09:35:41,358 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:35:41,358 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2018-12-08 09:35:41,359 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:35:41,359 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:35:41,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:35:41,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:35:41,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:35:41,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:35:41,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:35:41,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:35:41,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1734, now seen corresponding path program 1 times [2018-12-08 09:35:41,440 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:35:41,440 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:35:41,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:35:41,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:35:41,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:35:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:35:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:35:41,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:35:41,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939599, now seen corresponding path program 1 times [2018-12-08 09:35:41,451 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:35:41,451 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:35:41,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:35:41,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:35:41,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:35:41,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:35:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:35:41,712 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2018-12-08 09:35:41,765 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 09:35:41,766 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 09:35:41,766 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 09:35:41,766 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 09:35:41,766 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-08 09:35:41,766 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 09:35:41,766 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 09:35:41,767 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 09:35:41,767 INFO L131 ssoRankerPreferences]: Filename of dumped script: cstrcpy_mixed_alloca_true-termination.c.i_Iteration1_Lasso [2018-12-08 09:35:41,767 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 09:35:41,767 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 09:35:41,782 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 09:35:41,786 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 09:35:41,787 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 09:35:41,789 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 09:35:41,790 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 09:35:41,791 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 09:35:41,793 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 09:35:41,794 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 09:35:41,795 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 09:35:41,955 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2018-12-08 09:35:42,029 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 09:35:42,030 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 09:35:42,031 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 09:35:42,032 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 09:35:42,034 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 09:35:42,035 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 09:35:42,335 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 09:35:42,339 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-08 09:35:42,340 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 09:35:42,342 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 09:35:42,342 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 09:35:42,342 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:35:42,342 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:35:42,342 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 09:35:42,343 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 09:35:42,344 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 09:35:42,345 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:35:42,345 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 09:35:42,346 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 09:35:42,346 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 09:35:42,346 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:35:42,346 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:35:42,346 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 09:35:42,346 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 09:35:42,346 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 09:35:42,347 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:35:42,347 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 09:35:42,348 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 09:35:42,348 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:35:42,348 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:35:42,348 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 09:35:42,350 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 09:35:42,350 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 09:35:42,353 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:35:42,353 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 09:35:42,354 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 09:35:42,354 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 09:35:42,354 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:35:42,354 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:35:42,355 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 09:35:42,355 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 09:35:42,355 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 09:35:42,356 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:35:42,356 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 09:35:42,357 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 09:35:42,357 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 09:35:42,357 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:35:42,357 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:35:42,357 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 09:35:42,358 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 09:35:42,358 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 09:35:42,359 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:35:42,359 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 09:35:42,359 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 09:35:42,359 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:35:42,360 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:35:42,360 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 09:35:42,361 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 09:35:42,361 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 09:35:42,364 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:35:42,364 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 09:35:42,364 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 09:35:42,365 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 09:35:42,365 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:35:42,365 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:35:42,365 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 09:35:42,365 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 09:35:42,366 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 09:35:42,366 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:35:42,366 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 09:35:42,367 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 09:35:42,367 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 09:35:42,367 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:35:42,367 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:35:42,367 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 09:35:42,368 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 09:35:42,368 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 09:35:42,369 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:35:42,369 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 09:35:42,369 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 09:35:42,370 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:35:42,370 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:35:42,370 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 09:35:42,372 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 09:35:42,372 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 09:35:42,385 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:35:42,385 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 09:35:42,386 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 09:35:42,386 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:35:42,386 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:35:42,386 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 09:35:42,387 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 09:35:42,388 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 09:35:42,391 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:35:42,391 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 09:35:42,392 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 09:35:42,392 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:35:42,392 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:35:42,392 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 09:35:42,393 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 09:35:42,393 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 09:35:42,401 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:35:42,402 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 09:35:42,402 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 09:35:42,402 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:35:42,402 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:35:42,402 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 09:35:42,403 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 09:35:42,403 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 09:35:42,405 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:35:42,405 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 09:35:42,406 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 09:35:42,406 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:35:42,406 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:35:42,406 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 09:35:42,411 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 09:35:42,411 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 09:35:42,475 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-08 09:35:42,498 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-12-08 09:35:42,498 INFO L444 ModelExtractionUtils]: 46 out of 52 variables were initially zero. Simplification set additionally 3 variables to zero. [2018-12-08 09:35:42,500 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-08 09:35:42,502 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-12-08 09:35:42,502 INFO L518 LassoAnalysis]: Proved termination. [2018-12-08 09:35:42,502 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcpy_~dst~0.offset) = 2*ULTIMATE.start_cstrcpy_~dst~0.offset + 1 Supporting invariants [] [2018-12-08 09:35:42,535 INFO L297 tatePredicateManager]: 12 out of 12 supporting invariants were superfluous and have been removed [2018-12-08 09:35:42,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:35:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:35:42,564 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 09:35:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:35:42,574 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 09:35:42,593 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 09:35:42,602 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 09:35:42,603 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 3 states. [2018-12-08 09:35:42,623 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 3 states. Result 27 states and 30 transitions. Complement of second has 5 states. [2018-12-08 09:35:42,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-12-08 09:35:42,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-12-08 09:35:42,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2018-12-08 09:35:42,627 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 2 letters. [2018-12-08 09:35:42,627 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 09:35:42,627 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2018-12-08 09:35:42,628 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 09:35:42,628 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 4 letters. [2018-12-08 09:35:42,628 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 09:35:42,628 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 30 transitions. [2018-12-08 09:35:42,630 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-08 09:35:42,631 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2018-12-08 09:35:42,632 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-08 09:35:42,632 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-08 09:35:42,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-08 09:35:42,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-08 09:35:42,633 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 09:35:42,633 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 09:35:42,633 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 09:35:42,633 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-08 09:35:42,633 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-08 09:35:42,633 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-08 09:35:42,633 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-08 09:35:42,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.12 09:35:42 BoogieIcfgContainer [2018-12-08 09:35:42,637 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-08 09:35:42,637 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 09:35:42,637 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 09:35:42,638 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 09:35:42,638 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:35:41" (3/4) ... [2018-12-08 09:35:42,640 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 09:35:42,640 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 09:35:42,641 INFO L168 Benchmark]: Toolchain (without parser) took 1855.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 211.3 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -220.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 09:35:42,641 INFO L168 Benchmark]: CDTParser took 0.10 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 09:35:42,642 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -153.2 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2018-12-08 09:35:42,642 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 09:35:42,642 INFO L168 Benchmark]: Boogie Preprocessor took 14.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 09:35:42,643 INFO L168 Benchmark]: RCFGBuilder took 145.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-12-08 09:35:42,643 INFO L168 Benchmark]: BuchiAutomizer took 1352.98 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 83.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -85.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 09:35:42,643 INFO L168 Benchmark]: Witness Printer took 3.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 09:35:42,645 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 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 302.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -153.2 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 145.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1352.98 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 83.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -85.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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 2 * dst + 1 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 16 SDtfs, 15 SDslu, 6 SDs, 0 SdLazy, 1 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital206 mio100 ax100 hnf99 lsp97 ukn92 mio100 lsp51 div100 bol100 ite100 ukn100 eq193 hnf89 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...