./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-regression/alias_of_return.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab 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/alias_of_return.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 3925884d137f07b09b1c6b8320dffe7629fc0b49 ............................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:15:37,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:15:37,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:15:37,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:15:37,052 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:15:37,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:15:37,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:15:37,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:15:37,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:15:37,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:15:37,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:15:37,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:15:37,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:15:37,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:15:37,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:15:37,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:15:37,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:15:37,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:15:37,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:15:37,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:15:37,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:15:37,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:15:37,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:15:37,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:15:37,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:15:37,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:15:37,103 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:15:37,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:15:37,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:15:37,106 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:15:37,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:15:37,107 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:15:37,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:15:37,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:15:37,110 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:15:37,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:15:37,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:15:37,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:15:37,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:15:37,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:15:37,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:15:37,115 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:15:37,140 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:15:37,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:15:37,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:15:37,144 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:15:37,145 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:15:37,145 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:15:37,145 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:15:37,146 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:15:37,146 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:15:37,146 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:15:37,147 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:15:37,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:15:37,148 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:15:37,148 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:15:37,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:15:37,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:15:37,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:15:37,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:15:37,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:15:37,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:15:37,151 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:15:37,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:15:37,153 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:15:37,154 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:15:37,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:15:37,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:15:37,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:15:37,157 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:15:37,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:15:37,157 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:15:37,157 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:15:37,159 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:15:37,160 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 -> 3925884d137f07b09b1c6b8320dffe7629fc0b49 [2019-11-28 03:15:37,473 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:15:37,493 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:15:37,497 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:15:37,499 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:15:37,499 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:15:37,500 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/alias_of_return.i [2019-11-28 03:15:37,559 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f29907e3/b9acbc6923df49b896880d5b9bfa45b0/FLAG2e8b470fa [2019-11-28 03:15:37,989 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:15:37,990 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/alias_of_return.i [2019-11-28 03:15:37,996 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f29907e3/b9acbc6923df49b896880d5b9bfa45b0/FLAG2e8b470fa [2019-11-28 03:15:38,388 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f29907e3/b9acbc6923df49b896880d5b9bfa45b0 [2019-11-28 03:15:38,391 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:15:38,393 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:15:38,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:15:38,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:15:38,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:15:38,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:15:38" (1/1) ... [2019-11-28 03:15:38,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e727e30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:38, skipping insertion in model container [2019-11-28 03:15:38,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:15:38" (1/1) ... [2019-11-28 03:15:38,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:15:38,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:15:38,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:15:38,613 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:15:38,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:15:38,645 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:15:38,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:38 WrapperNode [2019-11-28 03:15:38,646 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:15:38,647 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:15:38,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:15:38,648 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:15:38,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:38" (1/1) ... [2019-11-28 03:15:38,719 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:38" (1/1) ... [2019-11-28 03:15:38,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:15:38,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:15:38,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:15:38,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:15:38,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:38" (1/1) ... [2019-11-28 03:15:38,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:38" (1/1) ... [2019-11-28 03:15:38,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:38" (1/1) ... [2019-11-28 03:15:38,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:38" (1/1) ... [2019-11-28 03:15:38,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:38" (1/1) ... [2019-11-28 03:15:38,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:38" (1/1) ... [2019-11-28 03:15:38,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:38" (1/1) ... [2019-11-28 03:15:38,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:15:38,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:15:38,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:15:38,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:15:38,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:38" (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 [2019-11-28 03:15:38,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 03:15:38,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:15:38,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:15:38,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 03:15:38,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:15:38,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 03:15:38,975 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:15:38,976 INFO L297 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-28 03:15:38,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:15:38 BoogieIcfgContainer [2019-11-28 03:15:38,977 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:15:38,978 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:15:38,978 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:15:38,981 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:15:38,982 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:15:38,983 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:15:38" (1/3) ... [2019-11-28 03:15:38,984 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b1b95cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:15:38, skipping insertion in model container [2019-11-28 03:15:38,984 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:15:38,984 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:15:38" (2/3) ... [2019-11-28 03:15:38,985 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b1b95cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:15:38, skipping insertion in model container [2019-11-28 03:15:38,985 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:15:38,985 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:15:38" (3/3) ... [2019-11-28 03:15:38,987 INFO L371 chiAutomizerObserver]: Analyzing ICFG alias_of_return.i [2019-11-28 03:15:39,062 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:15:39,062 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:15:39,064 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:15:39,064 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:15:39,064 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:15:39,064 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:15:39,065 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:15:39,065 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:15:39,081 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-11-28 03:15:39,110 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:15:39,111 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:15:39,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:15:39 BoogieIcfgContainer [2019-11-28 03:15:39,116 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:15:39,117 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:15:39,118 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:15:39,118 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:15:39,119 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:15:38" (3/4) ... [2019-11-28 03:15:39,122 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:15:39,122 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:15:39,125 INFO L168 Benchmark]: Toolchain (without parser) took 731.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -124.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:15:39,126 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:15:39,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.09 ms. Allocated memory is still 1.0 GB. Free memory was 953.7 MB in the beginning and 942.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:15:39,128 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 942.9 MB in the beginning and 1.1 GB in the end (delta: -166.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:15:39,129 INFO L168 Benchmark]: Boogie Preprocessor took 20.98 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:15:39,130 INFO L168 Benchmark]: RCFGBuilder took 218.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.0 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:15:39,131 INFO L168 Benchmark]: BuchiAutomizer took 138.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-11-28 03:15:39,132 INFO L168 Benchmark]: Witness Printer took 4.95 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:15:39,137 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 253.09 ms. Allocated memory is still 1.0 GB. Free memory was 953.7 MB in the beginning and 942.9 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 90.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 942.9 MB in the beginning and 1.1 GB in the end (delta: -166.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.98 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 218.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.0 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 138.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.95 ms. Allocated memory is still 1.1 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...