./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/floats-cdfpl/newton_2_7.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/floats-cdfpl/newton_2_7.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f8d39d08396c814ad10bc56a26a3558c1bbd1940 .............................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 02:03:19,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 02:03:19,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 02:03:19,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 02:03:19,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 02:03:19,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 02:03:19,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 02:03:19,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 02:03:19,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 02:03:19,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 02:03:19,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 02:03:19,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 02:03:19,135 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 02:03:19,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 02:03:19,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 02:03:19,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 02:03:19,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 02:03:19,140 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 02:03:19,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 02:03:19,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 02:03:19,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 02:03:19,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 02:03:19,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 02:03:19,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 02:03:19,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 02:03:19,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 02:03:19,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 02:03:19,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 02:03:19,154 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 02:03:19,155 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 02:03:19,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 02:03:19,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 02:03:19,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 02:03:19,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 02:03:19,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 02:03:19,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 02:03:19,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 02:03:19,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 02:03:19,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 02:03:19,165 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 02:03:19,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 02:03:19,168 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 02:03:19,186 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 02:03:19,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 02:03:19,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 02:03:19,188 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 02:03:19,188 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 02:03:19,188 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 02:03:19,188 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 02:03:19,188 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 02:03:19,189 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 02:03:19,189 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 02:03:19,189 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 02:03:19,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 02:03:19,189 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 02:03:19,190 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 02:03:19,190 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 02:03:19,190 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 02:03:19,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 02:03:19,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 02:03:19,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 02:03:19,191 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 02:03:19,191 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 02:03:19,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 02:03:19,192 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 02:03:19,192 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 02:03:19,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 02:03:19,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 02:03:19,192 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 02:03:19,193 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 02:03:19,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 02:03:19,193 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 02:03:19,193 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 02:03:19,193 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 02:03:19,194 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 02:03:19,195 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8d39d08396c814ad10bc56a26a3558c1bbd1940 [2020-07-29 02:03:19,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 02:03:19,545 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 02:03:19,549 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 02:03:19,551 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 02:03:19,551 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 02:03:19,552 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/newton_2_7.i [2020-07-29 02:03:19,627 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79124e1ba/9569ec67186046e7ba5020a345313044/FLAGd403f580d [2020-07-29 02:03:20,079 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 02:03:20,079 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/newton_2_7.i [2020-07-29 02:03:20,085 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79124e1ba/9569ec67186046e7ba5020a345313044/FLAGd403f580d [2020-07-29 02:03:20,476 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79124e1ba/9569ec67186046e7ba5020a345313044 [2020-07-29 02:03:20,480 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 02:03:20,484 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 02:03:20,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 02:03:20,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 02:03:20,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 02:03:20,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:03:20" (1/1) ... [2020-07-29 02:03:20,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2efc59fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:20, skipping insertion in model container [2020-07-29 02:03:20,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:03:20" (1/1) ... [2020-07-29 02:03:20,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 02:03:20,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 02:03:20,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:03:20,731 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 02:03:20,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:03:20,769 INFO L208 MainTranslator]: Completed translation [2020-07-29 02:03:20,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:20 WrapperNode [2020-07-29 02:03:20,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 02:03:20,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 02:03:20,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 02:03:20,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 02:03:20,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:20" (1/1) ... [2020-07-29 02:03:20,787 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:20" (1/1) ... [2020-07-29 02:03:20,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 02:03:20,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 02:03:20,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 02:03:20,877 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 02:03:20,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:20" (1/1) ... [2020-07-29 02:03:20,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:20" (1/1) ... [2020-07-29 02:03:20,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:20" (1/1) ... [2020-07-29 02:03:20,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:20" (1/1) ... [2020-07-29 02:03:20,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:20" (1/1) ... [2020-07-29 02:03:20,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:20" (1/1) ... [2020-07-29 02:03:20,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:20" (1/1) ... [2020-07-29 02:03:20,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 02:03:20,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 02:03:20,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 02:03:20,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 02:03:20,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:03:20,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 02:03:20,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 02:03:21,181 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 02:03:21,181 INFO L295 CfgBuilder]: Removed 14 assume(true) statements. [2020-07-29 02:03:21,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:03:21 BoogieIcfgContainer [2020-07-29 02:03:21,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 02:03:21,186 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 02:03:21,186 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 02:03:21,190 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 02:03:21,191 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:03:21,192 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 02:03:20" (1/3) ... [2020-07-29 02:03:21,193 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a71de9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:03:21, skipping insertion in model container [2020-07-29 02:03:21,193 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:03:21,193 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:20" (2/3) ... [2020-07-29 02:03:21,194 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a71de9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:03:21, skipping insertion in model container [2020-07-29 02:03:21,194 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:03:21,195 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:03:21" (3/3) ... [2020-07-29 02:03:21,196 INFO L371 chiAutomizerObserver]: Analyzing ICFG newton_2_7.i [2020-07-29 02:03:21,245 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 02:03:21,245 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 02:03:21,245 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 02:03:21,246 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 02:03:21,246 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 02:03:21,246 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 02:03:21,246 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 02:03:21,246 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 02:03:21,257 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-07-29 02:03:21,280 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 02:03:21,280 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 02:03:21,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 02:03:21 BoogieIcfgContainer [2020-07-29 02:03:21,284 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 02:03:21,285 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 02:03:21,285 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 02:03:21,285 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 02:03:21,286 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:03:21" (3/4) ... [2020-07-29 02:03:21,289 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 02:03:21,289 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 02:03:21,293 INFO L168 Benchmark]: Toolchain (without parser) took 809.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -125.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:03:21,293 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:03:21,294 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.69 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 02:03:21,295 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -163.5 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2020-07-29 02:03:21,296 INFO L168 Benchmark]: Boogie Preprocessor took 38.20 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. [2020-07-29 02:03:21,297 INFO L168 Benchmark]: RCFGBuilder took 270.01 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: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2020-07-29 02:03:21,297 INFO L168 Benchmark]: BuchiAutomizer took 98.19 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-29 02:03:21,298 INFO L168 Benchmark]: Witness Printer took 4.80 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. [2020-07-29 02:03:21,302 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 285.69 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 105.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -163.5 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.20 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 270.01 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: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 98.19 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.80 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.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: 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...