java -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/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf -i /storage/chc-comp/vmt-chc-benchmarks/cav12/pc_sfifo_2.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1792c6b [2018-06-15 03:06:34,433 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-15 03:06:34,435 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-15 03:06:34,449 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-15 03:06:34,450 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-15 03:06:34,451 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-15 03:06:34,453 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-15 03:06:34,456 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-15 03:06:34,459 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-15 03:06:34,460 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-15 03:06:34,460 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-15 03:06:34,461 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-15 03:06:34,461 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-15 03:06:34,462 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-15 03:06:34,464 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-15 03:06:34,465 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-15 03:06:34,467 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-15 03:06:34,476 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-15 03:06:34,478 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-15 03:06:34,479 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-15 03:06:34,480 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-15 03:06:34,485 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-15 03:06:34,485 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-15 03:06:34,485 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-15 03:06:34,489 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-15 03:06:34,490 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-15 03:06:34,491 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-15 03:06:34,491 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-15 03:06:34,495 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-15 03:06:34,495 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-15 03:06:34,496 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-15 03:06:34,497 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-15 03:06:34,497 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-15 03:06:34,498 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-15 03:06:34,499 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-15 03:06:34,499 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf [2018-06-15 03:06:34,506 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-15 03:06:34,506 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-15 03:06:34,508 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-15 03:06:34,509 INFO L133 SettingsManager]: * Type of minimization to use=HOPCROFT [2018-06-15 03:06:34,509 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-15 03:06:34,510 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-15 03:06:34,510 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-15 03:06:34,550 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-15 03:06:34,564 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-15 03:06:34,567 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-15 03:06:34,569 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-15 03:06:34,569 INFO L276 PluginConnector]: SmtParser initialized [2018-06-15 03:06:34,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/cav12/pc_sfifo_2.smt2 [2018-06-15 03:06:34,572 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-15 03:06:34,668 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/cav12/pc_sfifo_2.smt2 unknown [2018-06-15 03:06:35,127 INFO L238 SmtParser]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/cav12/pc_sfifo_2.smt2 [2018-06-15 03:06:35,133 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-06-15 03:06:35,140 INFO L131 ToolchainWalker]: Walking toolchain with 1 elements. [2018-06-15 03:06:35,140 INFO L113 PluginConnector]: ------------------------TreeAutomizer---------------------------- [2018-06-15 03:06:35,141 INFO L271 PluginConnector]: Initializing TreeAutomizer... [2018-06-15 03:06:35,143 INFO L276 PluginConnector]: TreeAutomizer initialized [2018-06-15 03:06:35,145 INFO L185 PluginConnector]: Executing the observer TreeAutomizerObserver from plugin TreeAutomizer for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 15.06 03:06:35" (1/1) ... [2018-06-15 03:06:35,210 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 03:06:35,878 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 03:06:36,792 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 03:06:38,020 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 03:06:39,796 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 03:06:42,155 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 03:06:45,626 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 03:06:50,101 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 03:06:55,105 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 03:06:59,323 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 03:07:02,705 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 03:07:07,105 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 03:07:10,963 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 03:07:14,418 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 03:07:17,245 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 03:07:20,383 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 03:07:23,977 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 03:07:26,918 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 03:07:30,279 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. Received shutdown request... [2018-06-15 03:07:30,614 WARN L176 SmtUtils]: Removed 1 from assertion stack [2018-06-15 03:07:30,614 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer. Reason: Timeout or Toolchain cancelled by user [2018-06-15 03:07:30,619 INFO L168 Benchmark]: Toolchain (without parser) took 55484.77 ms. Allocated memory was 303.6 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 242.0 MB in the beginning and 631.5 MB in the end (delta: -389.5 MB). Peak memory consumption was 649.6 MB. Max. memory is 3.6 GB. [2018-06-15 03:07:30,627 INFO L168 Benchmark]: SmtParser took 0.17 ms. Allocated memory is still 303.6 MB. Free memory is still 269.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-15 03:07:30,628 INFO L168 Benchmark]: TreeAutomizer took 55477.35 ms. Allocated memory was 303.6 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 242.0 MB in the beginning and 631.5 MB in the end (delta: -389.5 MB). Peak memory consumption was 649.6 MB. Max. memory is 3.6 GB. [2018-06-15 03:07:30,630 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.17 ms. Allocated memory is still 303.6 MB. Free memory is still 269.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * TreeAutomizer took 55477.35 ms. Allocated memory was 303.6 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 242.0 MB in the beginning and 631.5 MB in the end (delta: -389.5 MB). Peak memory consumption was 649.6 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 8. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/pc_sfifo_2.smt2_TreeAutomizerHopcroftMinimization.epf_TreeAutomizer.xml/Csv-Benchmark-0-2018-06-15_03-07-30-640.csv Completed graceful shutdown