./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-libowfat/atoi_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8ef85bdc-f833-48e9-9671-f340a7e532d7/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8ef85bdc-f833-48e9-9671-f340a7e532d7/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8ef85bdc-f833-48e9-9671-f340a7e532d7/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8ef85bdc-f833-48e9-9671-f340a7e532d7/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-libowfat/atoi_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8ef85bdc-f833-48e9-9671-f340a7e532d7/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8ef85bdc-f833-48e9-9671-f340a7e532d7/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 22752f525da32a4875f5f185e75d8f959544b91c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 02:59:36,241 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:59:36,243 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:59:36,249 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:59:36,249 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:59:36,249 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:59:36,250 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:59:36,251 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:59:36,252 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:59:36,252 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:59:36,253 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:59:36,253 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:59:36,253 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:59:36,254 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:59:36,254 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:59:36,255 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:59:36,255 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:59:36,256 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:59:36,257 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:59:36,258 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:59:36,259 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:59:36,259 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:59:36,260 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:59:36,260 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:59:36,260 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:59:36,261 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:59:36,261 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:59:36,262 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:59:36,262 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:59:36,263 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:59:36,263 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:59:36,264 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:59:36,264 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:59:36,264 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:59:36,265 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:59:36,265 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:59:36,266 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8ef85bdc-f833-48e9-9671-f340a7e532d7/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-23 02:59:36,276 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:59:36,276 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:59:36,277 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 02:59:36,277 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 02:59:36,277 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 02:59:36,278 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 02:59:36,278 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 02:59:36,278 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 02:59:36,278 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 02:59:36,278 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 02:59:36,278 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 02:59:36,278 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:59:36,279 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 02:59:36,279 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 02:59:36,279 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:59:36,279 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 02:59:36,279 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 02:59:36,279 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 02:59:36,279 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:59:36,279 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 02:59:36,280 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:59:36,280 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 02:59:36,280 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:59:36,280 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 02:59:36,280 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 02:59:36,280 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:59:36,280 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 02:59:36,280 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 02:59:36,281 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 02:59:36,281 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_8ef85bdc-f833-48e9-9671-f340a7e532d7/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22752f525da32a4875f5f185e75d8f959544b91c [2018-11-23 02:59:36,306 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:59:36,315 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:59:36,317 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:59:36,319 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:59:36,319 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:59:36,319 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8ef85bdc-f833-48e9-9671-f340a7e532d7/bin-2019/uautomizer/../../sv-benchmarks/c/termination-libowfat/atoi_true-termination.c.i [2018-11-23 02:59:36,357 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8ef85bdc-f833-48e9-9671-f340a7e532d7/bin-2019/uautomizer/data/066a6ebf4/fdae7d7cb4424a5fbbb4bacc79aa15f2/FLAG4a43f180e [2018-11-23 02:59:36,790 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:59:36,791 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8ef85bdc-f833-48e9-9671-f340a7e532d7/sv-benchmarks/c/termination-libowfat/atoi_true-termination.c.i [2018-11-23 02:59:36,800 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8ef85bdc-f833-48e9-9671-f340a7e532d7/bin-2019/uautomizer/data/066a6ebf4/fdae7d7cb4424a5fbbb4bacc79aa15f2/FLAG4a43f180e [2018-11-23 02:59:36,809 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8ef85bdc-f833-48e9-9671-f340a7e532d7/bin-2019/uautomizer/data/066a6ebf4/fdae7d7cb4424a5fbbb4bacc79aa15f2 [2018-11-23 02:59:36,812 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:59:36,813 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:59:36,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:59:36,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:59:36,816 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:59:36,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:59:36" (1/1) ... [2018-11-23 02:59:36,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bab14b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:36, skipping insertion in model container [2018-11-23 02:59:36,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:59:36" (1/1) ... [2018-11-23 02:59:36,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:59:36,854 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:59:37,044 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:59:37,051 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:59:37,117 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:59:37,148 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:59:37,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:37 WrapperNode [2018-11-23 02:59:37,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:59:37,149 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:59:37,149 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:59:37,149 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:59:37,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:37" (1/1) ... [2018-11-23 02:59:37,164 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:37" (1/1) ... [2018-11-23 02:59:37,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:59:37,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:59:37,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:59:37,176 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:59:37,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:37" (1/1) ... [2018-11-23 02:59:37,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:37" (1/1) ... [2018-11-23 02:59:37,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:37" (1/1) ... [2018-11-23 02:59:37,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:37" (1/1) ... [2018-11-23 02:59:37,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:37" (1/1) ... [2018-11-23 02:59:37,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:37" (1/1) ... [2018-11-23 02:59:37,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:37" (1/1) ... [2018-11-23 02:59:37,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:59:37,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:59:37,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:59:37,194 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:59:37,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8ef85bdc-f833-48e9-9671-f340a7e532d7/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 02:59:37,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 02:59:37,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 02:59:37,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 02:59:37,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 02:59:37,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:59:37,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:59:37,383 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:59:37,383 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-23 02:59:37,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:59:37 BoogieIcfgContainer [2018-11-23 02:59:37,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:59:37,384 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 02:59:37,384 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 02:59:37,387 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 02:59:37,388 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 02:59:37,388 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:59:36" (1/3) ... [2018-11-23 02:59:37,389 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3fafec37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:59:37, skipping insertion in model container [2018-11-23 02:59:37,389 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 02:59:37,389 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:37" (2/3) ... [2018-11-23 02:59:37,389 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3fafec37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:59:37, skipping insertion in model container [2018-11-23 02:59:37,389 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 02:59:37,389 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:59:37" (3/3) ... [2018-11-23 02:59:37,391 INFO L375 chiAutomizerObserver]: Analyzing ICFG atoi_true-termination.c.i [2018-11-23 02:59:37,428 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 02:59:37,428 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 02:59:37,428 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 02:59:37,428 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 02:59:37,429 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 02:59:37,429 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 02:59:37,429 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 02:59:37,429 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 02:59:37,429 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 02:59:37,437 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2018-11-23 02:59:37,453 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2018-11-23 02:59:37,453 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 02:59:37,453 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 02:59:37,459 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-23 02:59:37,459 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-23 02:59:37,459 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 02:59:37,459 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2018-11-23 02:59:37,461 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2018-11-23 02:59:37,461 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 02:59:37,461 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 02:59:37,461 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-23 02:59:37,461 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-23 02:59:37,468 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 11#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~ret15, main_~in_len~0, main_~in~0.base, main_~in~0.offset;main_~in_len~0 := main_#t~nondet13;havoc main_#t~nondet13; 12#L521true assume !(main_~in_len~0 < 1);call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.alloc(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);atoi_#in~s.base, atoi_#in~s.offset := main_~in~0.base, main_~in~0.offset;havoc atoi_#res;havoc atoi_#t~post3.base, atoi_#t~post3.offset, atoi_#t~mem2, atoi_#t~mem4, atoi_#t~switch5, atoi_#t~pre6.base, atoi_#t~pre6.offset, atoi_#t~mem10, atoi_#t~pre11.base, atoi_#t~pre11.offset, atoi_#t~mem7, atoi_#t~mem8, atoi_#t~short9, atoi_#t~ite12, atoi_~s.base, atoi_~s.offset, atoi_~v~0, atoi_~sign~0;atoi_~s.base, atoi_~s.offset := atoi_#in~s.base, atoi_#in~s.offset;atoi_~v~0 := 0;atoi_~sign~0 := 1; 21#L509-3true [2018-11-23 02:59:37,468 INFO L796 eck$LassoCheckResult]: Loop: 21#L509-3true call atoi_#t~mem2 := read~int(atoi_~s.base, atoi_~s.offset, 1); 17#L509-1true assume !!(32 == atoi_#t~mem2);havoc atoi_#t~mem2;atoi_#t~post3.base, atoi_#t~post3.offset := atoi_~s.base, atoi_~s.offset;atoi_~s.base, atoi_~s.offset := atoi_#t~post3.base, 1 + atoi_#t~post3.offset;havoc atoi_#t~post3.base, atoi_#t~post3.offset; 21#L509-3true [2018-11-23 02:59:37,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:59:37,472 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2018-11-23 02:59:37,473 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:59:37,474 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:59:37,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:59:37,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:59:37,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:59:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 02:59:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 02:59:37,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:59:37,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1350, now seen corresponding path program 1 times [2018-11-23 02:59:37,550 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:59:37,551 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:59:37,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:59:37,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:59:37,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:59:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 02:59:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 02:59:37,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:59:37,560 INFO L82 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2018-11-23 02:59:37,560 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:59:37,560 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:59:37,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:59:37,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:59:37,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:59:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 02:59:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 02:59:37,775 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2018-11-23 02:59:37,812 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 02:59:37,813 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 02:59:37,813 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 02:59:37,813 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 02:59:37,813 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 02:59:37,814 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 02:59:37,814 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 02:59:37,814 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 02:59:37,814 INFO L131 ssoRankerPreferences]: Filename of dumped script: atoi_true-termination.c.i_Iteration1_Lasso [2018-11-23 02:59:37,814 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 02:59:37,814 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 02:59:37,830 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 02:59:37,834 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 02:59:37,837 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 02:59:37,848 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 02:59:37,849 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 02:59:37,852 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 02:59:37,853 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 02:59:37,855 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 02:59:37,857 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 02:59:37,858 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 02:59:37,986 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 02:59:37,987 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 02:59:37,989 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 02:59:37,991 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 02:59:37,992 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 02:59:37,997 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 02:59:37,998 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 02:59:38,008 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 02:59:38,010 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 02:59:38,012 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 02:59:38,014 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 02:59:38,015 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 02:59:38,016 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 02:59:38,244 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 02:59:38,247 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 02:59:38,249 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 02:59:38,250 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 02:59:38,250 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 02:59:38,250 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 02:59:38,250 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 02:59:38,250 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 02:59:38,252 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 02:59:38,252 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 02:59:38,253 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 02:59:38,253 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 02:59:38,254 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 02:59:38,254 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 02:59:38,254 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 02:59:38,254 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 02:59:38,255 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 02:59:38,255 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 02:59:38,255 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 02:59:38,256 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 02:59:38,256 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 02:59:38,257 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 02:59:38,257 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 02:59:38,257 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 02:59:38,257 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 02:59:38,257 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 02:59:38,258 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 02:59:38,258 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 02:59:38,259 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 02:59:38,259 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 02:59:38,259 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 02:59:38,259 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 02:59:38,260 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 02:59:38,260 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 02:59:38,260 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 02:59:38,260 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 02:59:38,261 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 02:59:38,261 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 02:59:38,262 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 02:59:38,262 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 02:59:38,262 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 02:59:38,262 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 02:59:38,263 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 02:59:38,264 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 02:59:38,265 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 02:59:38,268 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 02:59:38,268 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 02:59:38,269 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 02:59:38,269 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 02:59:38,269 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 02:59:38,269 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 02:59:38,269 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 02:59:38,270 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 02:59:38,270 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 02:59:38,271 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 02:59:38,271 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 02:59:38,271 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 02:59:38,271 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 02:59:38,272 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 02:59:38,272 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 02:59:38,272 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 02:59:38,272 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 02:59:38,273 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 02:59:38,274 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 02:59:38,274 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 02:59:38,274 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 02:59:38,275 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 02:59:38,275 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 02:59:38,275 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 02:59:38,275 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 02:59:38,275 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 02:59:38,275 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 02:59:38,277 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 02:59:38,277 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 02:59:38,278 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 02:59:38,278 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 02:59:38,278 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 02:59:38,278 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 02:59:38,278 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 02:59:38,279 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 02:59:38,279 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 02:59:38,280 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 02:59:38,280 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 02:59:38,280 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 02:59:38,281 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 02:59:38,281 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 02:59:38,281 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 02:59:38,283 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 02:59:38,283 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 02:59:38,298 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 02:59:38,299 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 02:59:38,299 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 02:59:38,300 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 02:59:38,300 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 02:59:38,300 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 02:59:38,300 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 02:59:38,301 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 02:59:38,301 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 02:59:38,303 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 02:59:38,303 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 02:59:38,304 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 02:59:38,304 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 02:59:38,304 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 02:59:38,304 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 02:59:38,308 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 02:59:38,308 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 02:59:38,347 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 02:59:38,367 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-11-23 02:59:38,368 INFO L444 ModelExtractionUtils]: 19 out of 25 variables were initially zero. Simplification set additionally 3 variables to zero. [2018-11-23 02:59:38,369 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 02:59:38,370 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-23 02:59:38,371 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 02:59:38,371 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_atoi_~s.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc14.base)_1) = -1*ULTIMATE.start_atoi_~s.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc14.base)_1 Supporting invariants [] [2018-11-23 02:59:38,394 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2018-11-23 02:59:38,401 WARN L1272 BoogieBacktranslator]: unknown boogie variable #length [2018-11-23 02:59:38,435 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:59:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:59:38,454 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:59:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:59:38,463 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:59:38,472 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 02:59:38,484 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 [2018-11-23 02:59:38,485 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states. Second operand 3 states. [2018-11-23 02:59:38,544 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states.. Second operand 3 states. Result 54 states and 76 transitions. Complement of second has 8 states. [2018-11-23 02:59:38,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-23 02:59:38,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 02:59:38,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 50 transitions. [2018-11-23 02:59:38,547 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 3 letters. Loop has 2 letters. [2018-11-23 02:59:38,548 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 02:59:38,548 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 5 letters. Loop has 2 letters. [2018-11-23 02:59:38,548 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 02:59:38,548 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 3 letters. Loop has 4 letters. [2018-11-23 02:59:38,548 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 02:59:38,549 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 76 transitions. [2018-11-23 02:59:38,551 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 02:59:38,552 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 0 states and 0 transitions. [2018-11-23 02:59:38,553 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 02:59:38,553 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 02:59:38,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 02:59:38,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 02:59:38,554 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 02:59:38,554 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 02:59:38,554 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 02:59:38,554 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 02:59:38,554 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-23 02:59:38,554 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 02:59:38,554 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 02:59:38,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 02:59:38 BoogieIcfgContainer [2018-11-23 02:59:38,558 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 02:59:38,558 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 02:59:38,558 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 02:59:38,559 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 02:59:38,559 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:59:37" (3/4) ... [2018-11-23 02:59:38,561 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 02:59:38,561 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 02:59:38,562 INFO L168 Benchmark]: Toolchain (without parser) took 1749.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 955.5 MB in the beginning and 930.5 MB in the end (delta: 25.0 MB). Peak memory consumption was 178.6 MB. Max. memory is 11.5 GB. [2018-11-23 02:59:38,563 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:59:38,563 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -185.5 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. [2018-11-23 02:59:38,563 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.78 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 02:59:38,564 INFO L168 Benchmark]: Boogie Preprocessor took 17.78 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 02:59:38,564 INFO L168 Benchmark]: RCFGBuilder took 189.66 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: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2018-11-23 02:59:38,565 INFO L168 Benchmark]: BuchiAutomizer took 1173.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 930.5 MB in the end (delta: 184.3 MB). Peak memory consumption was 184.3 MB. Max. memory is 11.5 GB. [2018-11-23 02:59:38,565 INFO L168 Benchmark]: Witness Printer took 3.13 ms. Allocated memory is still 1.2 GB. Free memory is still 930.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:59:38,568 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 335.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -185.5 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.78 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.78 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 189.66 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: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1173.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 930.5 MB in the end (delta: 184.3 MB). Peak memory consumption was 184.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.13 ms. Allocated memory is still 1.2 GB. Free memory is still 930.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (in_len)] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 17 SDtfs, 20 SDslu, 12 SDs, 0 SdLazy, 15 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital111 mio100 ax100 hnf100 lsp89 ukn90 mio100 lsp48 div100 bol100 ite100 ukn100 eq186 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 6ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...