java -Xss4m -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/TreeAutomizer.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf -i /storage/chc-comp/vmt-chc-benchmarks/ctigar/gulwani_cegar2.c.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-86166b8 [2018-06-23 17:26:42,767 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-23 17:26:42,770 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-23 17:26:42,783 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-23 17:26:42,783 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-23 17:26:42,784 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-23 17:26:42,785 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-23 17:26:42,789 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-23 17:26:42,790 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-23 17:26:42,792 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-23 17:26:42,793 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-23 17:26:42,793 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-23 17:26:42,794 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-23 17:26:42,795 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-23 17:26:42,796 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-23 17:26:42,799 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-23 17:26:42,800 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-23 17:26:42,810 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-23 17:26:42,811 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-23 17:26:42,812 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-23 17:26:42,813 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-23 17:26:42,819 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-23 17:26:42,819 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-23 17:26:42,820 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-23 17:26:42,820 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-23 17:26:42,821 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-23 17:26:42,822 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-23 17:26:42,822 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-23 17:26:42,826 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-23 17:26:42,826 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-23 17:26:42,827 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-23 17:26:42,827 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-23 17:26:42,827 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-23 17:26:42,828 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-23 17:26:42,829 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-23 17:26:42,830 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf [2018-06-23 17:26:42,839 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-23 17:26:42,839 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-23 17:26:42,842 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-23 17:26:42,842 INFO L133 SettingsManager]: * Type of minimization to use=HOPCROFT [2018-06-23 17:26:42,842 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-23 17:26:42,843 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-23 17:26:42,843 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-23 17:26:42,890 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-23 17:26:42,904 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-23 17:26:42,908 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-23 17:26:42,909 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-23 17:26:42,910 INFO L276 PluginConnector]: SmtParser initialized [2018-06-23 17:26:42,910 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/ctigar/gulwani_cegar2.c.smt2 [2018-06-23 17:26:42,912 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-23 17:26:43,002 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/ctigar/gulwani_cegar2.c.smt2 unknown [2018-06-23 17:26:43,210 INFO L238 SmtParser]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/ctigar/gulwani_cegar2.c.smt2 [2018-06-23 17:26:43,215 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-06-23 17:26:43,221 INFO L131 ToolchainWalker]: Walking toolchain with 1 elements. [2018-06-23 17:26:43,222 INFO L113 PluginConnector]: ------------------------TreeAutomizer---------------------------- [2018-06-23 17:26:43,222 INFO L271 PluginConnector]: Initializing TreeAutomizer... [2018-06-23 17:26:43,226 INFO L276 PluginConnector]: TreeAutomizer initialized [2018-06-23 17:26:43,227 INFO L185 PluginConnector]: Executing the observer TreeAutomizerObserver from plugin TreeAutomizer for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 23.06 05:26:43" (1/1) ... Received shutdown request... [2018-06-23 17:27:37,537 WARN L176 SmtUtils]: Removed 1 from assertion stack [2018-06-23 17:27:37,538 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer. Reason: Timeout or Toolchain cancelled by user [2018-06-23 17:27:37,540 INFO L168 Benchmark]: Toolchain (without parser) took 54325.02 ms. Allocated memory was 306.7 MB in the beginning and 1.2 GB in the end (delta: 883.4 MB). Free memory was 263.2 MB in the beginning and 450.7 MB in the end (delta: -187.6 MB). Peak memory consumption was 695.9 MB. Max. memory is 3.6 GB. [2018-06-23 17:27:37,542 INFO L168 Benchmark]: SmtParser took 0.15 ms. Allocated memory is still 306.7 MB. Free memory is still 273.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-23 17:27:37,543 INFO L168 Benchmark]: TreeAutomizer took 54317.49 ms. Allocated memory was 306.7 MB in the beginning and 1.2 GB in the end (delta: 883.4 MB). Free memory was 263.2 MB in the beginning and 450.7 MB in the end (delta: -187.6 MB). Peak memory consumption was 695.9 MB. Max. memory is 3.6 GB. [2018-06-23 17:27:37,546 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.15 ms. Allocated memory is still 306.7 MB. Free memory is still 273.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * TreeAutomizer took 54317.49 ms. Allocated memory was 306.7 MB in the beginning and 1.2 GB in the end (delta: 883.4 MB). Free memory was 263.2 MB in the beginning and 450.7 MB in the end (delta: -187.6 MB). Peak memory consumption was 695.9 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer) Toolchain cancelled while SimplifyDDAWithTimeout was simplifying term of DAG size 10. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/gulwani_cegar2.c.smt2_TreeAutomizerHopcroftMinimization.epf_TreeAutomizer.xml/Csv-Benchmark-0-2018-06-23_17-27-37-558.csv Completed graceful shutdown