./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-regression/1_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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/ldv-regression/1_3.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 c7604f323f01a3c659629a3446d646b5cd5a69c1 ................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 19:08:57,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 19:08:57,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 19:08:57,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 19:08:57,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 19:08:57,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 19:08:57,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 19:08:57,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 19:08:57,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 19:08:57,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 19:08:57,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 19:08:57,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 19:08:57,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 19:08:57,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 19:08:57,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 19:08:57,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 19:08:57,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 19:08:57,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 19:08:57,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 19:08:57,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 19:08:57,275 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 19:08:57,276 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 19:08:57,278 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 19:08:57,279 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 19:08:57,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 19:08:57,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 19:08:57,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 19:08:57,283 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 19:08:57,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 19:08:57,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 19:08:57,285 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 19:08:57,286 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 19:08:57,287 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 19:08:57,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 19:08:57,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 19:08:57,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 19:08:57,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 19:08:57,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 19:08:57,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 19:08:57,292 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 19:08:57,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 19:08:57,293 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-19 19:08:57,325 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 19:08:57,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 19:08:57,327 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 19:08:57,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 19:08:57,329 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 19:08:57,329 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 19:08:57,329 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 19:08:57,330 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 19:08:57,330 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 19:08:57,330 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 19:08:57,331 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 19:08:57,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 19:08:57,332 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 19:08:57,332 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 19:08:57,333 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 19:08:57,334 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 19:08:57,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 19:08:57,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 19:08:57,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 19:08:57,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 19:08:57,335 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 19:08:57,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 19:08:57,336 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 19:08:57,336 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 19:08:57,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 19:08:57,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 19:08:57,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 19:08:57,338 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 19:08:57,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 19:08:57,338 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 19:08:57,339 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 19:08:57,339 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 19:08:57,340 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 19:08:57,341 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 -> c7604f323f01a3c659629a3446d646b5cd5a69c1 [2020-10-19 19:08:57,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 19:08:57,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 19:08:57,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 19:08:57,736 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 19:08:57,737 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 19:08:57,738 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/1_3.i [2020-10-19 19:08:57,796 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e4cb29b2/3ed50f9b11d547c498d2772a63a05b82/FLAGff3281db3 [2020-10-19 19:08:58,253 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 19:08:58,256 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/1_3.i [2020-10-19 19:08:58,264 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e4cb29b2/3ed50f9b11d547c498d2772a63a05b82/FLAGff3281db3 [2020-10-19 19:08:58,615 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e4cb29b2/3ed50f9b11d547c498d2772a63a05b82 [2020-10-19 19:08:58,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 19:08:58,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 19:08:58,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 19:08:58,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 19:08:58,631 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 19:08:58,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:08:58" (1/1) ... [2020-10-19 19:08:58,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a106fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:58, skipping insertion in model container [2020-10-19 19:08:58,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:08:58" (1/1) ... [2020-10-19 19:08:58,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 19:08:58,662 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 19:08:58,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:08:58,866 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 19:08:58,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:08:58,909 INFO L208 MainTranslator]: Completed translation [2020-10-19 19:08:58,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:58 WrapperNode [2020-10-19 19:08:58,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 19:08:58,911 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 19:08:58,911 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 19:08:58,911 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 19:08:58,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:58" (1/1) ... [2020-10-19 19:08:58,934 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:58" (1/1) ... [2020-10-19 19:08:59,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 19:08:59,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 19:08:59,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 19:08:59,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 19:08:59,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:58" (1/1) ... [2020-10-19 19:08:59,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:58" (1/1) ... [2020-10-19 19:08:59,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:58" (1/1) ... [2020-10-19 19:08:59,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:58" (1/1) ... [2020-10-19 19:08:59,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:58" (1/1) ... [2020-10-19 19:08:59,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:58" (1/1) ... [2020-10-19 19:08:59,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:58" (1/1) ... [2020-10-19 19:08:59,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 19:08:59,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 19:08:59,097 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 19:08:59,097 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 19:08:59,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:58" (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 [2020-10-19 19:08:59,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 19:08:59,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 19:08:59,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-19 19:08:59,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-19 19:08:59,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 19:08:59,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 19:08:59,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-19 19:08:59,412 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 19:08:59,412 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-10-19 19:08:59,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:08:59 BoogieIcfgContainer [2020-10-19 19:08:59,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 19:08:59,415 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 19:08:59,415 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 19:08:59,419 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 19:08:59,420 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:08:59,420 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 07:08:58" (1/3) ... [2020-10-19 19:08:59,421 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@206619f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:08:59, skipping insertion in model container [2020-10-19 19:08:59,421 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:08:59,422 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:08:58" (2/3) ... [2020-10-19 19:08:59,422 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@206619f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:08:59, skipping insertion in model container [2020-10-19 19:08:59,422 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:08:59,422 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:08:59" (3/3) ... [2020-10-19 19:08:59,424 INFO L373 chiAutomizerObserver]: Analyzing ICFG 1_3.i [2020-10-19 19:08:59,510 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 19:08:59,511 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 19:08:59,511 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 19:08:59,511 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 19:08:59,511 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 19:08:59,512 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 19:08:59,512 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 19:08:59,512 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 19:08:59,536 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2020-10-19 19:08:59,591 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:08:59,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 19:08:59,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 07:08:59 BoogieIcfgContainer [2020-10-19 19:08:59,597 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 19:08:59,598 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 19:08:59,598 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 19:08:59,598 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 19:08:59,599 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:08:59" (3/4) ... [2020-10-19 19:08:59,602 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 19:08:59,602 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 19:08:59,605 INFO L168 Benchmark]: Toolchain (without parser) took 984.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 958.6 MB in the beginning and 1.1 GB in the end (delta: -146.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:08:59,606 INFO L168 Benchmark]: CDTParser took 1.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:08:59,607 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.29 ms. Allocated memory is still 1.0 GB. Free memory was 958.6 MB in the beginning and 947.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-10-19 19:08:59,608 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -190.5 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2020-10-19 19:08:59,609 INFO L168 Benchmark]: Boogie Preprocessor took 56.52 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2020-10-19 19:08:59,610 INFO L168 Benchmark]: RCFGBuilder took 317.98 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: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2020-10-19 19:08:59,611 INFO L168 Benchmark]: BuchiAutomizer took 182.77 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2020-10-19 19:08:59,612 INFO L168 Benchmark]: Witness Printer took 4.96 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. [2020-10-19 19:08:59,617 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 285.29 ms. Allocated memory is still 1.0 GB. Free memory was 958.6 MB in the beginning and 947.9 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 127.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -190.5 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.52 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 317.98 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: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 182.77 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.96 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...