./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float13.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/float13.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 f0b260d5621e751a2a11e1abae0e8375b5cfb29c .............................................................................................................................................................................................................. 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 02:03:52,429 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 02:03:52,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 02:03:52,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 02:03:52,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 02:03:52,447 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 02:03:52,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 02:03:52,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 02:03:52,452 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 02:03:52,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 02:03:52,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 02:03:52,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 02:03:52,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 02:03:52,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 02:03:52,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 02:03:52,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 02:03:52,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 02:03:52,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 02:03:52,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 02:03:52,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 02:03:52,468 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 02:03:52,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 02:03:52,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 02:03:52,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 02:03:52,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 02:03:52,475 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 02:03:52,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 02:03:52,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 02:03:52,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 02:03:52,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 02:03:52,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 02:03:52,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 02:03:52,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 02:03:52,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 02:03:52,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 02:03:52,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 02:03:52,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 02:03:52,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 02:03:52,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 02:03:52,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 02:03:52,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 02:03:52,493 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 02:03:52,523 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 02:03:52,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 02:03:52,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 02:03:52,526 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 02:03:52,526 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 02:03:52,526 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 02:03:52,526 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 02:03:52,527 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 02:03:52,527 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 02:03:52,527 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 02:03:52,528 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 02:03:52,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 02:03:52,529 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 02:03:52,530 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 02:03:52,530 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 02:03:52,530 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 02:03:52,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 02:03:52,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 02:03:52,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 02:03:52,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 02:03:52,531 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 02:03:52,532 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 02:03:52,532 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 02:03:52,532 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 02:03:52,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 02:03:52,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 02:03:52,533 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 02:03:52,533 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 02:03:52,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 02:03:52,534 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 02:03:52,534 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 02:03:52,535 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 02:03:52,537 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 02:03:52,537 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 -> f0b260d5621e751a2a11e1abae0e8375b5cfb29c [2020-07-29 02:03:52,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 02:03:52,865 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 02:03:52,869 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 02:03:52,871 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 02:03:52,871 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 02:03:52,872 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float13.c [2020-07-29 02:03:52,953 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d6f4c74e/7a9a2836b0924385bd8a7602b7a3a747/FLAG1d742423b [2020-07-29 02:03:53,378 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 02:03:53,379 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float13.c [2020-07-29 02:03:53,386 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d6f4c74e/7a9a2836b0924385bd8a7602b7a3a747/FLAG1d742423b [2020-07-29 02:03:53,800 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d6f4c74e/7a9a2836b0924385bd8a7602b7a3a747 [2020-07-29 02:03:53,803 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 02:03:53,806 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 02:03:53,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 02:03:53,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 02:03:53,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 02:03:53,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:03:53" (1/1) ... [2020-07-29 02:03:53,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@239f346a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:53, skipping insertion in model container [2020-07-29 02:03:53,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:03:53" (1/1) ... [2020-07-29 02:03:53,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 02:03:53,847 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 02:03:54,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:03:54,041 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 02:03:54,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:03:54,076 INFO L208 MainTranslator]: Completed translation [2020-07-29 02:03:54,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:54 WrapperNode [2020-07-29 02:03:54,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 02:03:54,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 02:03:54,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 02:03:54,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 02:03:54,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:54" (1/1) ... [2020-07-29 02:03:54,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:54" (1/1) ... [2020-07-29 02:03:54,186 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 02:03:54,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 02:03:54,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 02:03:54,187 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 02:03:54,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:54" (1/1) ... [2020-07-29 02:03:54,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:54" (1/1) ... [2020-07-29 02:03:54,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:54" (1/1) ... [2020-07-29 02:03:54,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:54" (1/1) ... [2020-07-29 02:03:54,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:54" (1/1) ... [2020-07-29 02:03:54,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:54" (1/1) ... [2020-07-29 02:03:54,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:54" (1/1) ... [2020-07-29 02:03:54,234 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 02:03:54,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 02:03:54,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 02:03:54,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 02:03:54,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:54" (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 02:03:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 02:03:54,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 02:03:54,569 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 02:03:54,570 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-29 02:03:54,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:03:54 BoogieIcfgContainer [2020-07-29 02:03:54,573 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 02:03:54,574 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 02:03:54,574 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 02:03:54,579 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 02:03:54,580 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:03:54,580 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 02:03:53" (1/3) ... [2020-07-29 02:03:54,581 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e90c719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:03:54, skipping insertion in model container [2020-07-29 02:03:54,581 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:03:54,582 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:03:54" (2/3) ... [2020-07-29 02:03:54,582 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e90c719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:03:54, skipping insertion in model container [2020-07-29 02:03:54,582 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:03:54,582 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:03:54" (3/3) ... [2020-07-29 02:03:54,584 INFO L371 chiAutomizerObserver]: Analyzing ICFG float13.c [2020-07-29 02:03:54,639 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 02:03:54,640 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 02:03:54,640 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 02:03:54,640 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 02:03:54,640 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 02:03:54,641 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 02:03:54,641 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 02:03:54,641 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 02:03:54,657 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states. [2020-07-29 02:03:54,691 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 02:03:54,692 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 02:03:54,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 02:03:54 BoogieIcfgContainer [2020-07-29 02:03:54,702 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 02:03:54,705 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 02:03:54,705 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 02:03:54,705 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 02:03:54,706 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:03:54" (3/4) ... [2020-07-29 02:03:54,717 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 02:03:54,717 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 02:03:54,724 INFO L168 Benchmark]: Toolchain (without parser) took 915.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -132.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:03:54,725 INFO L168 Benchmark]: CDTParser took 0.29 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 02:03:54,727 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.47 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 02:03:54,730 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -169.3 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2020-07-29 02:03:54,733 INFO L168 Benchmark]: Boogie Preprocessor took 50.63 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 02:03:54,736 INFO L168 Benchmark]: RCFGBuilder took 336.01 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: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2020-07-29 02:03:54,738 INFO L168 Benchmark]: BuchiAutomizer took 130.14 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 02:03:54,741 INFO L168 Benchmark]: Witness Printer took 12.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:03:54,751 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 0.29 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 270.47 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 108.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -169.3 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.63 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 336.01 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: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 130.14 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 12.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * 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...