./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/termination-libowfat/strrchr_short_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_eb15655d-2260-4220-af42-859db16a6a8e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eb15655d-2260-4220-af42-859db16a6a8e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eb15655d-2260-4220-af42-859db16a6a8e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eb15655d-2260-4220-af42-859db16a6a8e/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-libowfat/strrchr_short_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_eb15655d-2260-4220-af42-859db16a6a8e/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eb15655d-2260-4220-af42-859db16a6a8e/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 98f62af880b69d3051603379cc048811fab2d4d7 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 06:12:47,108 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:12:47,110 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:12:47,119 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:12:47,119 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:12:47,120 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:12:47,121 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:12:47,122 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:12:47,124 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:12:47,124 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:12:47,125 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:12:47,125 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:12:47,126 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:12:47,127 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:12:47,128 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:12:47,129 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:12:47,129 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:12:47,131 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:12:47,132 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:12:47,133 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:12:47,134 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:12:47,136 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:12:47,138 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 06:12:47,138 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 06:12:47,138 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 06:12:47,139 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 06:12:47,140 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 06:12:47,141 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 06:12:47,141 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 06:12:47,142 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 06:12:47,142 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 06:12:47,143 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 06:12:47,144 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 06:12:47,144 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 06:12:47,145 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 06:12:47,145 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 06:12:47,146 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_eb15655d-2260-4220-af42-859db16a6a8e/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-10-27 06:12:47,157 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:12:47,157 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:12:47,158 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 06:12:47,158 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 06:12:47,159 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 06:12:47,159 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-10-27 06:12:47,159 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-10-27 06:12:47,163 INFO L133 SettingsManager]: * Use old map elimination=false [2018-10-27 06:12:47,163 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-10-27 06:12:47,163 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-10-27 06:12:47,163 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-10-27 06:12:47,163 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:12:47,163 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 06:12:47,164 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:12:47,164 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:12:47,164 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-10-27 06:12:47,164 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-10-27 06:12:47,164 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-10-27 06:12:47,164 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:12:47,164 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-10-27 06:12:47,165 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-10-27 06:12:47,165 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:12:47,165 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:12:47,165 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-10-27 06:12:47,165 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:12:47,165 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 06:12:47,166 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-10-27 06:12:47,166 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-27 06:12:47,167 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_eb15655d-2260-4220-af42-859db16a6a8e/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 -> 98f62af880b69d3051603379cc048811fab2d4d7 [2018-10-27 06:12:47,196 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:12:47,209 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:12:47,212 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:12:47,213 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:12:47,213 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:12:47,215 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eb15655d-2260-4220-af42-859db16a6a8e/bin-2019/uautomizer/../../sv-benchmarks/c/termination-libowfat/strrchr_short_true-termination.c.i [2018-10-27 06:12:47,266 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eb15655d-2260-4220-af42-859db16a6a8e/bin-2019/uautomizer/data/fec7dabd6/781a5253a3ef460fa7b3499ce9d90082/FLAG622421ca3 [2018-10-27 06:12:47,687 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:12:47,687 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eb15655d-2260-4220-af42-859db16a6a8e/sv-benchmarks/c/termination-libowfat/strrchr_short_true-termination.c.i [2018-10-27 06:12:47,696 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eb15655d-2260-4220-af42-859db16a6a8e/bin-2019/uautomizer/data/fec7dabd6/781a5253a3ef460fa7b3499ce9d90082/FLAG622421ca3 [2018-10-27 06:12:47,707 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eb15655d-2260-4220-af42-859db16a6a8e/bin-2019/uautomizer/data/fec7dabd6/781a5253a3ef460fa7b3499ce9d90082 [2018-10-27 06:12:47,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:12:47,711 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 06:12:47,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:12:47,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:12:47,715 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:12:47,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:12:47" (1/1) ... [2018-10-27 06:12:47,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15c0d27c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:47, skipping insertion in model container [2018-10-27 06:12:47,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:12:47" (1/1) ... [2018-10-27 06:12:47,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:12:47,758 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:12:47,995 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:12:48,005 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:12:48,055 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:12:48,100 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:12:48,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:48 WrapperNode [2018-10-27 06:12:48,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:12:48,101 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:12:48,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:12:48,101 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:12:48,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:48" (1/1) ... [2018-10-27 06:12:48,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:48" (1/1) ... [2018-10-27 06:12:48,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:12:48,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:12:48,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:12:48,197 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:12:48,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:48" (1/1) ... [2018-10-27 06:12:48,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:48" (1/1) ... [2018-10-27 06:12:48,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:48" (1/1) ... [2018-10-27 06:12:48,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:48" (1/1) ... [2018-10-27 06:12:48,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:48" (1/1) ... [2018-10-27 06:12:48,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:48" (1/1) ... [2018-10-27 06:12:48,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:48" (1/1) ... [2018-10-27 06:12:48,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:12:48,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:12:48,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:12:48,227 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:12:48,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb15655d-2260-4220-af42-859db16a6a8e/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 [2018-10-27 06:12:48,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-27 06:12:48,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-27 06:12:48,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:12:48,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:12:48,656 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:12:48,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:12:48 BoogieIcfgContainer [2018-10-27 06:12:48,657 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:12:48,657 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-10-27 06:12:48,657 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-10-27 06:12:48,660 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-10-27 06:12:48,661 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:12:48,661 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.10 06:12:47" (1/3) ... [2018-10-27 06:12:48,662 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f1f5ff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:12:48, skipping insertion in model container [2018-10-27 06:12:48,662 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:12:48,663 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:48" (2/3) ... [2018-10-27 06:12:48,663 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f1f5ff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:12:48, skipping insertion in model container [2018-10-27 06:12:48,663 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:12:48,663 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:12:48" (3/3) ... [2018-10-27 06:12:48,665 INFO L375 chiAutomizerObserver]: Analyzing ICFG strrchr_short_true-termination.c.i [2018-10-27 06:12:48,715 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 06:12:48,715 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-10-27 06:12:48,715 INFO L375 BuchiCegarLoop]: Hoare is false [2018-10-27 06:12:48,716 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-10-27 06:12:48,716 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:12:48,716 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:12:48,716 INFO L379 BuchiCegarLoop]: Difference is false [2018-10-27 06:12:48,716 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:12:48,716 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-10-27 06:12:48,730 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2018-10-27 06:12:48,751 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-10-27 06:12:48,752 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:12:48,752 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:12:48,759 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-10-27 06:12:48,759 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-10-27 06:12:48,759 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-10-27 06:12:48,759 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2018-10-27 06:12:48,760 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-10-27 06:12:48,760 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:12:48,760 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:12:48,761 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-10-27 06:12:48,761 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-10-27 06:12:48,769 INFO L793 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet5, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~ret8.base, main_#t~ret8.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~the_int~0;main_~in_len~0 := main_#t~nondet5;havoc main_#t~nondet5; 17#L517true assume !(main_~in_len~0 < 1);#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := main_~in_len~0;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;main_~in~0.base, main_~in~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset; 10#L519true SUMMARY for call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1) * 1, 1); srcloc: L519 13#L519-1true main_~the_int~0 := main_#t~nondet7;havoc main_#t~nondet7;assume { :begin_inline_strrchr } true;strrchr_#in~t.base, strrchr_#in~t.offset, strrchr_#in~c := main_~in~0.base, main_~in~0.offset, main_~the_int~0;havoc strrchr_#res.base, strrchr_#res.offset;havoc strrchr_#t~mem2, strrchr_#t~mem3, strrchr_#t~pre4.base, strrchr_#t~pre4.offset, strrchr_~t.base, strrchr_~t.offset, strrchr_~c, strrchr_~ch~0, strrchr_~l~0.base, strrchr_~l~0.offset;strrchr_~t.base, strrchr_~t.offset := strrchr_#in~t.base, strrchr_#in~t.offset;strrchr_~c := strrchr_#in~c;havoc strrchr_~ch~0;strrchr_~l~0.base, strrchr_~l~0.offset := 0, 0;strrchr_~ch~0 := (if strrchr_~c % 256 <= 127 then strrchr_~c % 256 else strrchr_~c % 256 - 256); 14#L510-3true [2018-10-27 06:12:48,769 INFO L795 eck$LassoCheckResult]: Loop: 14#L510-3true assume true; 9#L510-1true assume !false; 4#L511true SUMMARY for call strrchr_#t~mem2 := read~int(strrchr_~t.base, strrchr_~t.offset, 1); srcloc: L511 7#L511-1true assume strrchr_#t~mem2 == strrchr_~ch~0;havoc strrchr_#t~mem2;strrchr_~l~0.base, strrchr_~l~0.offset := strrchr_~t.base, strrchr_~t.offset; 12#L511-3true SUMMARY for call strrchr_#t~mem3 := read~int(strrchr_~t.base, strrchr_~t.offset, 1); srcloc: L511-3 15#L511-4true assume !(strrchr_#t~mem3 == 0);havoc strrchr_#t~mem3;strrchr_#t~pre4.base, strrchr_#t~pre4.offset := strrchr_~t.base, strrchr_~t.offset + 1;strrchr_~t.base, strrchr_~t.offset := strrchr_~t.base, strrchr_~t.offset + 1;havoc strrchr_#t~pre4.base, strrchr_#t~pre4.offset; 14#L510-3true [2018-10-27 06:12:48,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:48,775 INFO L82 PathProgramCache]: Analyzing trace with hash 28695717, now seen corresponding path program 1 times [2018-10-27 06:12:48,776 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:12:48,777 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:12:48,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:48,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:48,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:48,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:48,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1276894030, now seen corresponding path program 1 times [2018-10-27 06:12:48,912 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:12:48,912 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:12:48,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:48,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:48,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:48,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:48,938 INFO L82 PathProgramCache]: Analyzing trace with hash 813346034, now seen corresponding path program 1 times [2018-10-27 06:12:48,938 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:12:48,939 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:12:48,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:48,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:12:48,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:12:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:48,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:12:49,128 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-10-27 06:12:49,252 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-10-27 06:12:49,764 WARN L179 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2018-10-27 06:12:50,293 WARN L179 SmtUtils]: Spent 526.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2018-10-27 06:12:50,302 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:12:50,302 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:12:50,303 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:12:50,303 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:12:50,303 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:12:50,303 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:12:50,303 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:12:50,304 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:12:50,304 INFO L131 ssoRankerPreferences]: Filename of dumped script: strrchr_short_true-termination.c.i_Iteration1_Lasso [2018-10-27 06:12:50,304 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:12:50,304 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:12:50,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:50,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:50,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:50,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:50,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:50,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:50,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:50,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:50,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:50,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:50,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:50,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:50,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:51,136 WARN L179 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2018-10-27 06:12:51,293 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2018-10-27 06:12:51,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:12:51,471 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2018-10-27 06:12:51,654 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-27 06:12:51,934 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:12:51,939 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:12:51,940 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 [2018-10-27 06:12:51,942 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:51,942 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:51,943 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:51,943 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:51,944 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:12:51,945 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:12:51,945 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:51,947 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:51,947 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 [2018-10-27 06:12:51,948 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:51,948 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:51,948 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:51,949 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:51,949 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:12:51,949 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:12:51,949 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:51,956 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:51,958 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 [2018-10-27 06:12:51,959 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:51,959 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:51,959 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:51,960 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:51,960 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:12:51,960 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:12:51,960 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:51,961 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:51,961 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 [2018-10-27 06:12:51,962 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:51,962 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:51,962 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:51,962 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:51,962 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:12:51,963 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:12:51,975 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:51,976 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:51,976 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 [2018-10-27 06:12:51,977 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:51,977 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:51,977 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:51,977 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:51,977 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:12:51,978 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:12:51,978 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:51,979 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:51,981 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 [2018-10-27 06:12:51,981 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:51,981 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:51,982 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:51,982 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:51,982 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:12:51,982 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:12:51,982 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:51,983 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:51,984 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 [2018-10-27 06:12:51,984 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:51,984 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:51,984 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:51,984 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:12:51,986 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:12:51,987 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:12:51,999 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:51,999 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 [2018-10-27 06:12:52,002 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:52,002 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:52,002 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:52,002 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:52,002 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:12:52,003 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:12:52,003 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:52,005 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:52,005 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 [2018-10-27 06:12:52,005 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:52,006 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:52,006 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:52,006 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:52,006 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:12:52,006 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:12:52,007 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:52,012 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:52,012 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 [2018-10-27 06:12:52,013 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:52,013 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:52,013 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:52,013 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:52,013 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:12:52,014 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:12:52,014 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:52,018 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:52,018 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 [2018-10-27 06:12:52,019 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:52,019 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:52,019 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:52,019 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:12:52,021 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:12:52,021 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:12:52,027 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:52,027 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 [2018-10-27 06:12:52,028 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:52,028 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:12:52,028 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:52,028 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:52,028 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:12:52,029 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:12:52,029 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:12:52,029 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:52,030 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 [2018-10-27 06:12:52,030 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:52,030 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:52,031 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:52,031 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:12:52,038 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:12:52,039 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:12:52,050 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:52,050 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 [2018-10-27 06:12:52,051 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:52,055 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:52,055 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:52,056 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:12:52,059 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:12:52,059 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:12:52,066 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:52,066 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 [2018-10-27 06:12:52,067 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:52,067 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-10-27 06:12:52,067 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-10-27 06:12:52,067 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:12:52,075 INFO L402 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2018-10-27 06:12:52,075 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:12:52,124 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:52,125 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 [2018-10-27 06:12:52,125 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:52,125 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:52,126 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:52,126 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:12:52,127 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:12:52,127 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:12:52,131 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:52,131 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 [2018-10-27 06:12:52,132 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:52,132 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:52,132 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:52,132 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:12:52,133 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:12:52,134 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:12:52,140 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:12:52,141 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 [2018-10-27 06:12:52,141 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:12:52,141 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:12:52,142 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:12:52,142 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:12:52,144 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:12:52,145 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:12:52,181 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-10-27 06:12:52,218 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-10-27 06:12:52,218 INFO L444 ModelExtractionUtils]: 30 out of 34 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-10-27 06:12:52,221 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-10-27 06:12:52,222 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-10-27 06:12:52,222 INFO L517 LassoAnalysis]: Proved termination. [2018-10-27 06:12:52,224 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strrchr_~t.offset, v_rep(select #length ULTIMATE.start_#Ultimate.alloc_#res.base)_1) = -1*ULTIMATE.start_strrchr_~t.offset + 1*v_rep(select #length ULTIMATE.start_#Ultimate.alloc_#res.base)_1 Supporting invariants [] [2018-10-27 06:12:52,260 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2018-10-27 06:12:52,267 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 06:12:52,269 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-10-27 06:12:52,270 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 06:12:52,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:12:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:12:52,334 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:12:52,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:12:52,467 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:12:52,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:12:52,491 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 [2018-10-27 06:12:52,492 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 5 states. [2018-10-27 06:12:52,589 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 5 states. Result 33 states and 38 transitions. Complement of second has 8 states. [2018-10-27 06:12:52,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2018-10-27 06:12:52,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-10-27 06:12:52,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 25 transitions. [2018-10-27 06:12:52,593 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 5 letters. Loop has 6 letters. [2018-10-27 06:12:52,594 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:12:52,594 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 11 letters. Loop has 6 letters. [2018-10-27 06:12:52,595 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:12:52,595 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 5 letters. Loop has 12 letters. [2018-10-27 06:12:52,596 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:12:52,597 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 38 transitions. [2018-10-27 06:12:52,599 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:12:52,602 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2018-10-27 06:12:52,603 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-10-27 06:12:52,603 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-10-27 06:12:52,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-10-27 06:12:52,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-10-27 06:12:52,603 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:12:52,604 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:12:52,604 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:12:52,604 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-10-27 06:12:52,604 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-10-27 06:12:52,604 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:12:52,604 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-10-27 06:12:52,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.10 06:12:52 BoogieIcfgContainer [2018-10-27 06:12:52,609 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-10-27 06:12:52,609 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 06:12:52,609 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 06:12:52,610 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 06:12:52,610 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:12:48" (3/4) ... [2018-10-27 06:12:52,613 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 06:12:52,613 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 06:12:52,614 INFO L168 Benchmark]: Toolchain (without parser) took 4903.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 211.8 MB). Free memory was 958.1 MB in the beginning and 1.1 GB in the end (delta: -187.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-10-27 06:12:52,614 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:12:52,615 INFO L168 Benchmark]: CACSL2BoogieTranslator took 388.83 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 936.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-27 06:12:52,615 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -211.0 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-10-27 06:12:52,616 INFO L168 Benchmark]: Boogie Preprocessor took 24.28 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. [2018-10-27 06:12:52,617 INFO L168 Benchmark]: RCFGBuilder took 435.61 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: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-10-27 06:12:52,617 INFO L168 Benchmark]: BuchiAutomizer took 3951.88 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -20.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-10-27 06:12:52,618 INFO L168 Benchmark]: Witness Printer took 3.67 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. [2018-10-27 06:12:52,623 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 388.83 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 936.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 95.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -211.0 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.28 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. * RCFGBuilder took 435.61 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: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3951.88 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -20.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.67 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. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #Ultimate.alloc_#res * 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 * t + unknown-#length-unknown[#Ultimate.alloc_#res] and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 23 SDslu, 13 SDs, 0 SdLazy, 10 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital265 mio100 ax100 hnf99 lsp70 ukn135 mio100 lsp25 div139 bol100 ite100 ukn100 eq159 hnf71 smp97 dnf206 smp52 tf100 neg98 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 58ms VariablesStem: 6 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 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...