./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_af27c2c6-b63d-4aa5-be04-0efe27f97f5c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_af27c2c6-b63d-4aa5-be04-0efe27f97f5c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_af27c2c6-b63d-4aa5-be04-0efe27f97f5c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_af27c2c6-b63d-4aa5-be04-0efe27f97f5c/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_af27c2c6-b63d-4aa5-be04-0efe27f97f5c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_af27c2c6-b63d-4aa5-be04-0efe27f97f5c/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8df11a05aa3b89e8b7aa4c528df2e0718843a0ef .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 14:30:27,395 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:30:27,396 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:30:27,404 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:30:27,404 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:30:27,405 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:30:27,406 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:30:27,407 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:30:27,408 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:30:27,408 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:30:27,409 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:30:27,409 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:30:27,410 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:30:27,410 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:30:27,411 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:30:27,412 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:30:27,412 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:30:27,413 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:30:27,414 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:30:27,415 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:30:27,416 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:30:27,417 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:30:27,418 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:30:27,418 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:30:27,418 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:30:27,419 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:30:27,419 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:30:27,420 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:30:27,420 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:30:27,421 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:30:27,421 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:30:27,422 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:30:27,422 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:30:27,422 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:30:27,422 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:30:27,423 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:30:27,423 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_af27c2c6-b63d-4aa5-be04-0efe27f97f5c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-23 14:30:27,432 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:30:27,433 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:30:27,433 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 14:30:27,434 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 14:30:27,434 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 14:30:27,434 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 14:30:27,434 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 14:30:27,434 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 14:30:27,434 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 14:30:27,434 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 14:30:27,434 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 14:30:27,435 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:30:27,435 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 14:30:27,435 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 14:30:27,435 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 14:30:27,435 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 14:30:27,435 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:30:27,435 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 14:30:27,435 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 14:30:27,436 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 14:30:27,436 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 14:30:27,436 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:30:27,436 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 14:30:27,436 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:30:27,436 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 14:30:27,436 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:30:27,436 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 14:30:27,437 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 14:30:27,437 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:30:27,437 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 14:30:27,437 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 14:30:27,438 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 14:30:27,438 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_af27c2c6-b63d-4aa5-be04-0efe27f97f5c/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8df11a05aa3b89e8b7aa4c528df2e0718843a0ef [2018-11-23 14:30:27,460 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:30:27,469 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:30:27,471 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:30:27,472 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:30:27,473 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:30:27,473 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_af27c2c6-b63d-4aa5-be04-0efe27f97f5c/bin-2019/uautomizer/../../sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-11-23 14:30:27,518 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_af27c2c6-b63d-4aa5-be04-0efe27f97f5c/bin-2019/uautomizer/data/7f17cb67a/527c2ef5bca545bba00b7e660b179ed5/FLAG4455e2b9e [2018-11-23 14:30:27,864 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:30:27,864 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_af27c2c6-b63d-4aa5-be04-0efe27f97f5c/sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-11-23 14:30:27,871 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_af27c2c6-b63d-4aa5-be04-0efe27f97f5c/bin-2019/uautomizer/data/7f17cb67a/527c2ef5bca545bba00b7e660b179ed5/FLAG4455e2b9e [2018-11-23 14:30:27,879 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_af27c2c6-b63d-4aa5-be04-0efe27f97f5c/bin-2019/uautomizer/data/7f17cb67a/527c2ef5bca545bba00b7e660b179ed5 [2018-11-23 14:30:27,882 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:30:27,883 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:30:27,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:30:27,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:30:27,886 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:30:27,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:30:27" (1/1) ... [2018-11-23 14:30:27,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50c7ee63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:27, skipping insertion in model container [2018-11-23 14:30:27,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:30:27" (1/1) ... [2018-11-23 14:30:27,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:30:27,922 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:30:28,097 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:30:28,106 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:30:28,177 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:30:28,203 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:30:28,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:28 WrapperNode [2018-11-23 14:30:28,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:30:28,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:30:28,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:30:28,204 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:30:28,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:28" (1/1) ... [2018-11-23 14:30:28,222 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:28" (1/1) ... [2018-11-23 14:30:28,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:30:28,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:30:28,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:30:28,239 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:30:28,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:28" (1/1) ... [2018-11-23 14:30:28,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:28" (1/1) ... [2018-11-23 14:30:28,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:28" (1/1) ... [2018-11-23 14:30:28,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:28" (1/1) ... [2018-11-23 14:30:28,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:28" (1/1) ... [2018-11-23 14:30:28,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:28" (1/1) ... [2018-11-23 14:30:28,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:28" (1/1) ... [2018-11-23 14:30:28,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:30:28,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:30:28,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:30:28,259 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:30:28,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_af27c2c6-b63d-4aa5-be04-0efe27f97f5c/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 14:30:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 14:30:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 14:30:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 14:30:28,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:30:28,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:30:28,490 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:30:28,490 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 14:30:28,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:30:28 BoogieIcfgContainer [2018-11-23 14:30:28,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:30:28,491 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 14:30:28,491 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 14:30:28,494 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 14:30:28,494 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 14:30:28,495 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:30:27" (1/3) ... [2018-11-23 14:30:28,495 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17104c18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:30:28, skipping insertion in model container [2018-11-23 14:30:28,495 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 14:30:28,495 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:28" (2/3) ... [2018-11-23 14:30:28,496 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17104c18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:30:28, skipping insertion in model container [2018-11-23 14:30:28,496 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 14:30:28,496 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:30:28" (3/3) ... [2018-11-23 14:30:28,497 INFO L375 chiAutomizerObserver]: Analyzing ICFG openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-11-23 14:30:28,531 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 14:30:28,532 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 14:30:28,532 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 14:30:28,532 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 14:30:28,532 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 14:30:28,532 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 14:30:28,532 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 14:30:28,532 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 14:30:28,532 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 14:30:28,541 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2018-11-23 14:30:28,555 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-23 14:30:28,555 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 14:30:28,555 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 14:30:28,559 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-23 14:30:28,559 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-23 14:30:28,559 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 14:30:28,559 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2018-11-23 14:30:28,560 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-23 14:30:28,560 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 14:30:28,560 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 14:30:28,561 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-23 14:30:28,561 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-23 14:30:28,566 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 8#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~ret8.base, main_#t~ret8.offset, main_~length~0, main_~n~0, main_~c~0, main_~nondetArea~0.base, main_~nondetArea~0.offset;main_~length~0 := main_#t~nondet4;havoc main_#t~nondet4;main_~n~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~c~0 := main_#t~nondet6;havoc main_#t~nondet6; 4#L555true assume !(main_~length~0 < 1); 9#L555-2true assume !(main_~n~0 < 1); 3#L558-1true call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.alloc(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;cmemset_#in~dst.base, cmemset_#in~dst.offset, cmemset_#in~c, cmemset_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~c~0, main_~n~0;havoc cmemset_#res.base, cmemset_#res.offset;havoc cmemset_#t~post3.base, cmemset_#t~post3.offset, cmemset_#t~pre2, cmemset_~d~0.base, cmemset_~d~0.offset, cmemset_~dst.base, cmemset_~dst.offset, cmemset_~c, cmemset_~n;cmemset_~dst.base, cmemset_~dst.offset := cmemset_#in~dst.base, cmemset_#in~dst.offset;cmemset_~c := cmemset_#in~c;cmemset_~n := cmemset_#in~n; 6#L543true assume 0 != cmemset_~n % 4294967296;cmemset_~d~0.base, cmemset_~d~0.offset := cmemset_~dst.base, cmemset_~dst.offset; 13#L545-4true [2018-11-23 14:30:28,566 INFO L796 eck$LassoCheckResult]: Loop: 13#L545-4true cmemset_#t~post3.base, cmemset_#t~post3.offset := cmemset_~d~0.base, cmemset_~d~0.offset;cmemset_~d~0.base, cmemset_~d~0.offset := cmemset_#t~post3.base, 1 + cmemset_#t~post3.offset;call write~int(cmemset_~c, cmemset_#t~post3.base, cmemset_#t~post3.offset, 1);havoc cmemset_#t~post3.base, cmemset_#t~post3.offset; 5#L545-1true cmemset_#t~pre2 := cmemset_~n - 1;cmemset_~n := cmemset_~n - 1; 7#L545-2true assume !!(0 != cmemset_#t~pre2 % 4294967296);havoc cmemset_#t~pre2; 13#L545-4true [2018-11-23 14:30:28,569 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:30:28,569 INFO L82 PathProgramCache]: Analyzing trace with hash 889572236, now seen corresponding path program 1 times [2018-11-23 14:30:28,571 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:30:28,571 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:30:28,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:30:28,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:30:28,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:30:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:30:28,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:30:28,647 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:30:28,647 INFO L82 PathProgramCache]: Analyzing trace with hash 51706, now seen corresponding path program 1 times [2018-11-23 14:30:28,647 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:30:28,647 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:30:28,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:30:28,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:30:28,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:30:28,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:30:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:30:28,664 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:30:28,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1298288271, now seen corresponding path program 1 times [2018-11-23 14:30:28,665 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:30:28,665 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:30:28,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:30:28,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:30:28,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:30:28,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:30:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:30:28,918 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 14:30:28,919 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 14:30:28,919 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 14:30:28,919 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 14:30:28,919 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 14:30:28,919 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 14:30:28,919 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 14:30:28,919 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 14:30:28,919 INFO L131 ssoRankerPreferences]: Filename of dumped script: openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i_Iteration1_Lasso [2018-11-23 14:30:28,920 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 14:30:28,920 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 14:30:28,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 14:30:28,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 14:30:28,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 14:30:28,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 14:30:28,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 14:30:28,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 14:30:28,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 14:30:28,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 14:30:28,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 14:30:29,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 14:30:29,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 14:30:29,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 14:30:29,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 14:30:29,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 14:30:29,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 14:30:29,338 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2018-11-23 14:30:29,557 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 14:30:29,562 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 14:30:29,563 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:30:29,564 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:30:29,564 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:30:29,564 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:30:29,565 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:30:29,565 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 14:30:29,566 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 14:30:29,566 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:30:29,567 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:30:29,567 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:30:29,568 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:30:29,568 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:30:29,568 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:30:29,568 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:30:29,568 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 14:30:29,568 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 14:30:29,569 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:30:29,569 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:30:29,569 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:30:29,570 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:30:29,570 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:30:29,570 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:30:29,570 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:30:29,570 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 14:30:29,571 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 14:30:29,571 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:30:29,574 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:30:29,574 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:30:29,574 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:30:29,575 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:30:29,575 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:30:29,575 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:30:29,575 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 14:30:29,575 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 14:30:29,576 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:30:29,576 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:30:29,577 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:30:29,577 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:30:29,577 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:30:29,578 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:30:29,578 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:30:29,578 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 14:30:29,578 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 14:30:29,578 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:30:29,579 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:30:29,579 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:30:29,580 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:30:29,580 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:30:29,580 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:30:29,580 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:30:29,580 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 14:30:29,581 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 14:30:29,581 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:30:29,582 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:30:29,582 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:30:29,582 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:30:29,583 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:30:29,583 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:30:29,583 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 14:30:29,585 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 14:30:29,585 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 14:30:29,588 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:30:29,589 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:30:29,589 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:30:29,589 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:30:29,590 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:30:29,590 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:30:29,590 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 14:30:29,590 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 14:30:29,590 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:30:29,591 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:30:29,592 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:30:29,592 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:30:29,592 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 14:30:29,592 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:30:29,593 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:30:29,593 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 14:30:29,593 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 14:30:29,593 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 14:30:29,594 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:30:29,595 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:30:29,595 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:30:29,595 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:30:29,595 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:30:29,595 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 14:30:29,597 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 14:30:29,598 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 14:30:29,602 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 14:30:29,602 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 14:30:29,603 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 14:30:29,603 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 14:30:29,603 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 14:30:29,603 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 14:30:29,611 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 14:30:29,611 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 14:30:29,685 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 14:30:29,718 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2018-11-23 14:30:29,719 INFO L444 ModelExtractionUtils]: 26 out of 34 variables were initially zero. Simplification set additionally 5 variables to zero. [2018-11-23 14:30:29,720 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 14:30:29,721 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-23 14:30:29,722 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 14:30:29,722 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_1, ULTIMATE.start_cmemset_~d~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_1 - 1*ULTIMATE.start_cmemset_~d~0.offset Supporting invariants [] [2018-11-23 14:30:29,745 INFO L297 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2018-11-23 14:30:29,753 WARN L1272 BoogieBacktranslator]: unknown boogie variable #length [2018-11-23 14:30:29,781 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:30:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:30:29,798 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:30:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:30:29,818 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:30:29,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:30:29,849 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2018-11-23 14:30:29,850 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 4 states. [2018-11-23 14:30:29,913 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 4 states. Result 29 states and 32 transitions. Complement of second has 7 states. [2018-11-23 14:30:29,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-23 14:30:29,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 14:30:29,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2018-11-23 14:30:29,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 6 letters. Loop has 3 letters. [2018-11-23 14:30:29,918 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 14:30:29,918 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 9 letters. Loop has 3 letters. [2018-11-23 14:30:29,918 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 14:30:29,918 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 6 letters. Loop has 6 letters. [2018-11-23 14:30:29,919 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 14:30:29,919 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 32 transitions. [2018-11-23 14:30:29,921 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 14:30:29,923 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2018-11-23 14:30:29,924 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 14:30:29,924 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 14:30:29,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 14:30:29,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 14:30:29,924 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 14:30:29,925 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 14:30:29,925 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 14:30:29,925 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 14:30:29,925 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-23 14:30:29,925 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 14:30:29,925 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 14:30:29,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 02:30:29 BoogieIcfgContainer [2018-11-23 14:30:29,930 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 14:30:29,930 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:30:29,930 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:30:29,930 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:30:29,931 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:30:28" (3/4) ... [2018-11-23 14:30:29,933 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 14:30:29,933 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:30:29,934 INFO L168 Benchmark]: Toolchain (without parser) took 2051.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 957.5 MB in the beginning and 898.1 MB in the end (delta: 59.4 MB). Peak memory consumption was 222.5 MB. Max. memory is 11.5 GB. [2018-11-23 14:30:29,934 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:30:29,934 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 957.5 MB in the beginning and 1.2 GB in the end (delta: -192.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2018-11-23 14:30:29,935 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:30:29,935 INFO L168 Benchmark]: Boogie Preprocessor took 19.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:30:29,936 INFO L168 Benchmark]: RCFGBuilder took 232.02 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-23 14:30:29,936 INFO L168 Benchmark]: BuchiAutomizer took 1438.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 901.5 MB in the end (delta: 225.6 MB). Peak memory consumption was 225.6 MB. Max. memory is 11.5 GB. [2018-11-23 14:30:29,937 INFO L168 Benchmark]: Witness Printer took 3.02 ms. Allocated memory is still 1.2 GB. Free memory was 901.5 MB in the beginning and 898.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:30:29,938 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 320.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 957.5 MB in the beginning and 1.2 GB in the end (delta: -192.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.49 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 232.02 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1438.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 901.5 MB in the end (delta: 225.6 MB). Peak memory consumption was 225.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.02 ms. Allocated memory is still 1.2 GB. Free memory was 901.5 MB in the beginning and 898.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (n * sizeof(char))] + -1 * d and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 14 SDtfs, 14 SDslu, 11 SDs, 0 SdLazy, 9 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital135 mio100 ax100 hnf98 lsp93 ukn93 mio100 lsp60 div214 bol100 ite100 ukn100 eq166 hnf63 smp91 dnf100 smp100 tf100 neg98 sie102 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...