./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/cstrchr_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c6eb4584 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/termination-15/cstrchr_reverse_alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash a273450068a0d5a7644f3536efd5c3c568bd1daf .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-c6eb458-m [2019-11-16 22:25:05,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 22:25:05,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 22:25:05,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 22:25:05,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 22:25:05,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 22:25:05,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 22:25:05,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 22:25:05,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 22:25:05,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 22:25:05,703 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 22:25:05,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 22:25:05,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 22:25:05,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 22:25:05,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 22:25:05,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 22:25:05,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 22:25:05,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 22:25:05,730 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 22:25:05,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 22:25:05,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 22:25:05,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 22:25:05,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 22:25:05,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 22:25:05,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 22:25:05,766 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 22:25:05,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 22:25:05,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 22:25:05,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 22:25:05,776 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 22:25:05,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 22:25:05,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 22:25:05,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 22:25:05,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 22:25:05,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 22:25:05,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 22:25:05,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 22:25:05,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 22:25:05,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 22:25:05,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 22:25:05,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 22:25:05,798 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-16 22:25:05,853 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 22:25:05,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 22:25:05,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 22:25:05,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 22:25:05,865 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 22:25:05,865 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-16 22:25:05,865 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-16 22:25:05,867 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-16 22:25:05,867 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-16 22:25:05,867 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-16 22:25:05,868 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-16 22:25:05,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 22:25:05,869 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 22:25:05,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 22:25:05,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 22:25:05,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-16 22:25:05,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-16 22:25:05,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-16 22:25:05,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 22:25:05,876 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-16 22:25:05,876 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 22:25:05,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-16 22:25:05,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 22:25:05,877 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 22:25:05,878 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-16 22:25:05,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 22:25:05,880 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 22:25:05,881 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-16 22:25:05,883 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-16 22:25:05,885 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a273450068a0d5a7644f3536efd5c3c568bd1daf [2019-11-16 22:25:06,533 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 22:25:06,563 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 22:25:06,573 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 22:25:06,578 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 22:25:06,579 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 22:25:06,583 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/cstrchr_reverse_alloca.i [2019-11-16 22:25:06,743 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab5b93f16/6ba06a92982147ddafc57fbe814badab/FLAG78825f908 [2019-11-16 22:25:07,953 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 22:25:07,955 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/cstrchr_reverse_alloca.i [2019-11-16 22:25:07,984 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab5b93f16/6ba06a92982147ddafc57fbe814badab/FLAG78825f908 [2019-11-16 22:25:08,022 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab5b93f16/6ba06a92982147ddafc57fbe814badab [2019-11-16 22:25:08,028 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 22:25:08,033 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 22:25:08,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 22:25:08,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 22:25:08,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 22:25:08,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:25:08" (1/1) ... [2019-11-16 22:25:08,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c36aab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:25:08, skipping insertion in model container [2019-11-16 22:25:08,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:25:08" (1/1) ... [2019-11-16 22:25:08,080 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 22:25:08,180 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 22:25:09,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:25:09,129 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 22:25:09,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:25:09,425 INFO L192 MainTranslator]: Completed translation [2019-11-16 22:25:09,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:25:09 WrapperNode [2019-11-16 22:25:09,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 22:25:09,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 22:25:09,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 22:25:09,436 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 22:25:09,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:25:09" (1/1) ... [2019-11-16 22:25:09,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:25:09" (1/1) ... [2019-11-16 22:25:09,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 22:25:09,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 22:25:09,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 22:25:09,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 22:25:09,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:25:09" (1/1) ... [2019-11-16 22:25:09,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:25:09" (1/1) ... [2019-11-16 22:25:09,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:25:09" (1/1) ... [2019-11-16 22:25:09,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:25:09" (1/1) ... [2019-11-16 22:25:09,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:25:09" (1/1) ... [2019-11-16 22:25:09,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:25:09" (1/1) ... [2019-11-16 22:25:09,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:25:09" (1/1) ... [2019-11-16 22:25:09,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 22:25:09,686 INFO L168 Benchmark]: Toolchain (without parser) took 1644.13 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 968.0 MB in the end (delta: -6.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:25:09,688 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:25:09,691 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1392.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 973.8 MB in the end (delta: -12.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-16 22:25:09,697 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.08 ms. Allocated memory is still 1.0 GB. Free memory was 973.8 MB in the beginning and 968.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-16 22:25:09,698 INFO L168 Benchmark]: Boogie Preprocessor took 98.97 ms. Allocated memory is still 1.0 GB. Free memory is still 968.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:25:09,710 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1392.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 973.8 MB in the end (delta: -12.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 143.08 ms. Allocated memory is still 1.0 GB. Free memory was 973.8 MB in the beginning and 968.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 98.97 ms. Allocated memory is still 1.0 GB. Free memory is still 968.0 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...