./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float1.c --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-cbmc-regression/float1.c -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 f58559d137fcf7688e3324763048c6e2c7ffac4b .............................................................................................................................................................................................................. 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 02:03:50,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 02:03:50,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 02:03:50,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 02:03:50,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 02:03:50,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 02:03:50,346 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 02:03:50,357 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 02:03:50,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 02:03:50,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 02:03:50,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 02:03:50,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 02:03:50,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 02:03:50,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 02:03:50,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 02:03:50,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 02:03:50,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 02:03:50,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 02:03:50,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 02:03:50,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 02:03:50,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 02:03:50,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 02:03:50,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 02:03:50,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 02:03:50,399 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 02:03:50,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 02:03:50,400 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 02:03:50,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 02:03:50,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 02:03:50,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 02:03:50,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 02:03:50,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 02:03:50,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 02:03:50,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 02:03:50,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 02:03:50,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 02:03:50,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 02:03:50,409 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 02:03:50,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 02:03:50,410 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 02:03:50,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 02:03:50,413 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 02:03:50,453 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 02:03:50,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 02:03:50,457 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 02:03:50,458 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 02:03:50,458 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 02:03:50,458 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 02:03:50,458 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 02:03:50,458 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 02:03:50,459 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 02:03:50,459 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 02:03:50,459 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 02:03:50,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 02:03:50,459 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 02:03:50,460 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 02:03:50,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 02:03:50,460 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 02:03:50,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 02:03:50,463 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 02:03:50,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 02:03:50,463 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 02:03:50,463 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 02:03:50,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 02:03:50,464 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 02:03:50,464 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 02:03:50,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 02:03:50,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 02:03:50,465 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 02:03:50,465 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 02:03:50,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 02:03:50,466 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 02:03:50,467 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 02:03:50,467 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 02:03:50,468 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 02:03:50,468 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 -> f58559d137fcf7688e3324763048c6e2c7ffac4b [2020-07-29 02:03:50,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 02:03:50,795 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 02:03:50,798 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 02:03:50,800 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 02:03:50,800 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 02:03:50,801 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float1.c [2020-07-29 02:03:50,861 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d0d31f65/d1face882e6e4760ba5f3c287c2a5aaa/FLAG53333565d [2020-07-29 02:03:51,286 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 02:03:51,287 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float1.c [2020-07-29 02:03:51,294 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d0d31f65/d1face882e6e4760ba5f3c287c2a5aaa/FLAG53333565d [2020-07-29 02:03:51,708 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d0d31f65/d1face882e6e4760ba5f3c287c2a5aaa [2020-07-29 02:03:51,711 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 02:03:51,714 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 02:03:51,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 02:03:51,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 02:03:51,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 02:03:51,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:03:51" (1/1) ... [2020-07-29 02:03:51,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@777df8f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:51, skipping insertion in model container [2020-07-29 02:03:51,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:03:51" (1/1) ... [2020-07-29 02:03:51,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 02:03:51,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 02:03:51,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:03:51,908 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 02:03:51,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:03:51,936 INFO L208 MainTranslator]: Completed translation [2020-07-29 02:03:51,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:51 WrapperNode [2020-07-29 02:03:51,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 02:03:51,937 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 02:03:51,937 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 02:03:51,937 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 02:03:51,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:51" (1/1) ... [2020-07-29 02:03:51,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:51" (1/1) ... [2020-07-29 02:03:51,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 02:03:51,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 02:03:51,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 02:03:51,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 02:03:52,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:51" (1/1) ... [2020-07-29 02:03:52,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:51" (1/1) ... [2020-07-29 02:03:52,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:51" (1/1) ... [2020-07-29 02:03:52,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:51" (1/1) ... [2020-07-29 02:03:52,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:51" (1/1) ... [2020-07-29 02:03:52,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:51" (1/1) ... [2020-07-29 02:03:52,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:51" (1/1) ... [2020-07-29 02:03:52,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 02:03:52,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 02:03:52,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 02:03:52,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 02:03:52,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:51" (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 02:03:52,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 02:03:52,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 02:03:52,243 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 02:03:52,244 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-29 02:03:52,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:03:52 BoogieIcfgContainer [2020-07-29 02:03:52,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 02:03:52,251 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 02:03:52,252 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 02:03:52,256 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 02:03:52,257 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:03:52,258 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 02:03:51" (1/3) ... [2020-07-29 02:03:52,259 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51da0c2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:03:52, skipping insertion in model container [2020-07-29 02:03:52,260 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:03:52,260 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:51" (2/3) ... [2020-07-29 02:03:52,261 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51da0c2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:03:52, skipping insertion in model container [2020-07-29 02:03:52,261 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:03:52,262 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:03:52" (3/3) ... [2020-07-29 02:03:52,265 INFO L371 chiAutomizerObserver]: Analyzing ICFG float1.c [2020-07-29 02:03:52,326 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 02:03:52,327 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 02:03:52,327 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 02:03:52,327 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 02:03:52,328 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 02:03:52,328 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 02:03:52,328 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 02:03:52,328 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 02:03:52,347 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2020-07-29 02:03:52,417 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 02:03:52,418 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 02:03:52,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 02:03:52 BoogieIcfgContainer [2020-07-29 02:03:52,432 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 02:03:52,433 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 02:03:52,433 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 02:03:52,433 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 02:03:52,434 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:03:52" (3/4) ... [2020-07-29 02:03:52,438 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 02:03:52,438 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 02:03:52,442 INFO L168 Benchmark]: Toolchain (without parser) took 728.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -148.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:03:52,443 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:03:52,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 221.49 ms. Allocated memory is still 1.0 GB. Free memory was 956.2 MB in the beginning and 945.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 02:03:52,446 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.54 ms. Allocated memory is still 1.0 GB. Free memory is still 945.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:03:52,449 INFO L168 Benchmark]: Boogie Preprocessor took 74.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2020-07-29 02:03:52,450 INFO L168 Benchmark]: RCFGBuilder took 209.82 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: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. [2020-07-29 02:03:52,452 INFO L168 Benchmark]: BuchiAutomizer took 181.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2020-07-29 02:03:52,453 INFO L168 Benchmark]: Witness Printer took 5.39 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 02:03:52,460 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 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 221.49 ms. Allocated memory is still 1.0 GB. Free memory was 956.2 MB in the beginning and 945.5 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 28.54 ms. Allocated memory is still 1.0 GB. Free memory is still 945.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 74.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 209.82 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: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 181.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.39 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 0.1s 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...