./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/termination-15/cstrcpy_malloc_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/termination-15/cstrcpy_malloc_true-termination.c.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 09ae4d51b580facdb6980454a5f3a8886f91c21b .................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:23:16,192 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:23:16,194 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:23:16,206 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:23:16,206 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:23:16,207 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:23:16,209 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:23:16,211 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:23:16,213 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:23:16,214 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:23:16,214 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:23:16,215 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:23:16,216 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:23:16,217 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:23:16,218 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:23:16,219 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:23:16,220 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:23:16,222 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:23:16,224 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:23:16,226 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:23:16,227 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:23:16,229 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:23:16,231 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:23:16,232 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:23:16,232 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:23:16,233 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:23:16,234 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:23:16,235 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:23:16,236 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:23:16,238 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:23:16,238 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:23:16,239 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:23:16,239 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:23:16,239 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:23:16,244 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:23:16,245 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:23:16,245 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-28 23:23:16,279 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:23:16,280 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:23:16,283 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:23:16,284 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:23:16,284 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:23:16,284 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:23:16,285 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:23:16,285 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:23:16,285 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:23:16,285 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:23:16,285 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:23:16,286 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:23:16,286 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:23:16,286 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:23:16,286 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:23:16,286 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:23:16,288 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:23:16,288 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:23:16,288 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:23:16,288 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:23:16,291 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:23:16,291 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:23:16,291 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:23:16,291 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:23:16,291 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:23:16,293 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:23:16,293 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:23:16,293 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:23:16,295 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:23:16,295 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 09ae4d51b580facdb6980454a5f3a8886f91c21b [2018-11-28 23:23:16,349 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:23:16,367 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:23:16,373 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:23:16,375 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:23:16,376 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:23:16,377 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-15/cstrcpy_malloc_true-termination.c.i [2018-11-28 23:23:16,440 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6355cc7b/ce50d59c97344f689a403da818ad5f9b/FLAGeda1a2fca [2018-11-28 23:23:16,899 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:23:16,899 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-15/cstrcpy_malloc_true-termination.c.i [2018-11-28 23:23:16,911 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6355cc7b/ce50d59c97344f689a403da818ad5f9b/FLAGeda1a2fca [2018-11-28 23:23:17,220 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6355cc7b/ce50d59c97344f689a403da818ad5f9b [2018-11-28 23:23:17,224 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:23:17,226 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:23:17,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:23:17,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:23:17,231 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:23:17,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:23:17" (1/1) ... [2018-11-28 23:23:17,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@125de71b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:17, skipping insertion in model container [2018-11-28 23:23:17,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:23:17" (1/1) ... [2018-11-28 23:23:17,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:23:17,299 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:23:17,654 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:23:17,666 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:23:17,746 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:23:17,918 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:23:17,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:17 WrapperNode [2018-11-28 23:23:17,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:23:17,919 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:23:17,920 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:23:17,920 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:23:17,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:17" (1/1) ... [2018-11-28 23:23:17,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:17" (1/1) ... [2018-11-28 23:23:17,972 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:23:17,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:23:17,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:23:17,973 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:23:17,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:17" (1/1) ... [2018-11-28 23:23:17,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:17" (1/1) ... [2018-11-28 23:23:17,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:17" (1/1) ... [2018-11-28 23:23:17,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:17" (1/1) ... [2018-11-28 23:23:17,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:17" (1/1) ... [2018-11-28 23:23:18,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:17" (1/1) ... [2018-11-28 23:23:18,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:17" (1/1) ... [2018-11-28 23:23:18,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:23:18,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:23:18,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:23:18,007 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:23:18,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 23:23:18,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:23:18,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 23:23:18,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 23:23:18,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 23:23:18,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:23:18,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:23:18,416 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:23:18,416 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-28 23:23:18,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:23:18 BoogieIcfgContainer [2018-11-28 23:23:18,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:23:18,418 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:23:18,418 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:23:18,422 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:23:18,423 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:23:18,423 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:23:17" (1/3) ... [2018-11-28 23:23:18,424 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c69d94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:23:18, skipping insertion in model container [2018-11-28 23:23:18,424 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:23:18,425 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:23:17" (2/3) ... [2018-11-28 23:23:18,425 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c69d94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:23:18, skipping insertion in model container [2018-11-28 23:23:18,425 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:23:18,425 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:23:18" (3/3) ... [2018-11-28 23:23:18,427 INFO L375 chiAutomizerObserver]: Analyzing ICFG cstrcpy_malloc_true-termination.c.i [2018-11-28 23:23:18,486 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:23:18,487 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:23:18,487 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:23:18,487 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:23:18,488 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:23:18,488 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:23:18,488 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:23:18,488 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:23:18,489 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:23:18,505 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2018-11-28 23:23:18,530 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 23:23:18,531 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:23:18,531 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:23:18,539 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-28 23:23:18,539 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 23:23:18,539 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:23:18,539 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2018-11-28 23:23:18,540 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 23:23:18,541 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:23:18,541 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:23:18,541 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-28 23:23:18,541 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 23:23:18,549 INFO L794 eck$LassoCheckResult]: Stem: 6#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); 5#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);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 [2018-11-28 23:23:18,549 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, 1 + cstrcpy_#t~post205.offset;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~post206.base, cstrcpy_#t~post206.offset;havoc cstrcpy_#t~mem207;havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset; 7#L368-3true [2018-11-28 23:23:18,556 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:23:18,556 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2018-11-28 23:23:18,558 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:23:18,559 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:23:18,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:23:18,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:23:18,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:23:18,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:23:18,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:23:18,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:23:18,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1734, now seen corresponding path program 1 times [2018-11-28 23:23:18,717 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:23:18,717 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:23:18,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:23:18,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:23:18,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:23:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:23:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:23:18,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:23:18,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939599, now seen corresponding path program 1 times [2018-11-28 23:23:18,741 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:23:18,741 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:23:18,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:23:18,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:23:18,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:23:18,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:23:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:23:19,042 WARN L180 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2018-11-28 23:23:19,292 WARN L180 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-11-28 23:23:19,979 WARN L180 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2018-11-28 23:23:20,326 WARN L180 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2018-11-28 23:23:20,339 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:23:20,340 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:23:20,340 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:23:20,341 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:23:20,341 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:23:20,341 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:23:20,342 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:23:20,342 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:23:20,342 INFO L131 ssoRankerPreferences]: Filename of dumped script: cstrcpy_malloc_true-termination.c.i_Iteration1_Lasso [2018-11-28 23:23:20,343 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:23:20,343 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:23:20,375 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 23:23:20,410 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 23:23:20,433 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 23:23:21,210 WARN L180 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2018-11-28 23:23:21,384 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2018-11-28 23:23:21,385 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 23:23:21,389 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 23:23:21,391 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 23:23:21,394 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 23:23:21,397 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 23:23:21,399 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 23:23:21,405 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 23:23:21,408 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 23:23:21,410 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 23:23:21,412 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 23:23:21,415 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 23:23:21,418 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 23:23:21,633 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2018-11-28 23:23:21,742 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-11-28 23:23:22,330 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:23:22,336 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:23:22,338 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 23:23:22,340 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:23:22,340 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:23:22,341 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:23:22,341 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:23:22,341 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:23:22,343 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:23:22,343 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:23:22,345 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:23:22,346 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 23:23:22,346 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:23:22,347 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:23:22,347 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:23:22,347 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:23:22,347 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:23:22,348 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:23:22,348 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:23:22,349 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:23:22,349 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 23:23:22,350 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:23:22,350 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:23:22,350 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:23:22,350 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:23:22,355 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:23:22,355 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:23:22,377 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:23:22,378 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 23:23:22,379 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:23:22,380 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:23:22,380 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:23:22,380 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:23:22,383 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:23:22,384 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:23:22,390 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:23:22,391 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 [2018-11-28 23:23:22,391 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:23:22,391 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:23:22,392 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:23:22,392 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:23:22,397 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:23:22,397 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:23:22,418 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:23:22,418 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 23:23:22,419 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:23:22,419 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:23:22,419 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:23:22,419 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:23:22,423 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:23:22,423 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:23:22,427 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:23:22,428 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 23:23:22,429 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:23:22,429 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:23:22,429 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:23:22,431 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:23:22,442 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:23:22,443 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:23:22,573 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:23:22,679 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2018-11-28 23:23:22,679 INFO L444 ModelExtractionUtils]: 47 out of 52 variables were initially zero. Simplification set additionally 2 variables to zero. [2018-11-28 23:23:22,682 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:23:22,684 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-28 23:23:22,684 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:23:22,685 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc210.base)_1, ULTIMATE.start_cstrcpy_~dst~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc210.base)_1 - 1*ULTIMATE.start_cstrcpy_~dst~0.offset Supporting invariants [] [2018-11-28 23:23:22,884 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2018-11-28 23:23:22,893 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-11-28 23:23:22,916 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:23:22,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:23:22,955 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:23:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:23:22,986 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:23:23,100 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 23:23:23,115 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 23:23:23,116 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 3 states. [2018-11-28 23:23:23,208 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. [2018-11-28 23:23:23,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-28 23:23:23,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-28 23:23:23,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2018-11-28 23:23:23,215 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 2 letters. [2018-11-28 23:23:23,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:23:23,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2018-11-28 23:23:23,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:23:23,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 4 letters. [2018-11-28 23:23:23,217 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:23:23,218 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 30 transitions. [2018-11-28 23:23:23,222 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:23:23,224 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2018-11-28 23:23:23,226 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:23:23,226 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:23:23,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:23:23,226 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:23:23,227 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:23:23,227 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:23:23,227 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:23:23,227 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:23:23,227 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 23:23:23,227 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:23:23,227 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 23:23:23,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:23:23 BoogieIcfgContainer [2018-11-28 23:23:23,234 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:23:23,234 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:23:23,234 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:23:23,235 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:23:23,235 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:23:18" (3/4) ... [2018-11-28 23:23:23,238 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 23:23:23,238 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:23:23,239 INFO L168 Benchmark]: Toolchain (without parser) took 6014.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 219.2 MB). Free memory was 951.4 MB in the beginning and 1.2 GB in the end (delta: -219.0 MB). Peak memory consumption was 161.3 kB. Max. memory is 11.5 GB. [2018-11-28 23:23:23,241 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:23:23,241 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -191.4 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:23:23,242 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.60 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-28 23:23:23,243 INFO L168 Benchmark]: Boogie Preprocessor took 34.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:23:23,244 INFO L168 Benchmark]: RCFGBuilder took 410.54 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: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2018-11-28 23:23:23,245 INFO L168 Benchmark]: BuchiAutomizer took 4816.03 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -65.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. [2018-11-28 23:23:23,246 INFO L168 Benchmark]: Witness Printer took 4.29 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. [2018-11-28 23:23:23,251 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 692.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -191.4 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.60 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.13 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 410.54 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: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4816.03 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -65.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.29 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.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[malloc(length1 * sizeof(char))] + -1 * dst and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital202 mio100 ax100 hnf99 lsp97 ukn92 mio100 lsp50 div100 bol100 ite100 ukn100 eq197 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 2 VariablesLoop: 3 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...