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/lustre/DRAGON_14_e7_3162.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 20:10:41,233 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 20:10:41,235 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 20:10:41,249 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 20:10:41,249 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 20:10:41,250 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 20:10:41,251 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 20:10:41,253 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 20:10:41,255 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 20:10:41,256 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 20:10:41,257 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 20:10:41,257 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 20:10:41,258 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 20:10:41,259 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 20:10:41,259 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 20:10:41,260 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 20:10:41,262 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 20:10:41,264 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 20:10:41,265 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 20:10:41,266 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 20:10:41,267 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 20:10:41,270 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 20:10:41,270 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 20:10:41,270 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 20:10:41,271 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 20:10:41,272 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 20:10:41,273 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 20:10:41,274 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 20:10:41,275 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 20:10:41,275 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 20:10:41,276 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 20:10:41,277 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 20:10:41,277 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 20:10:41,278 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 20:10:41,278 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 20:10:41,279 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf [2018-06-18 20:10:41,286 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 20:10:41,286 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 20:10:41,288 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-18 20:10:41,288 INFO L133 SettingsManager]: * Type of minimization to use=HOPCROFT [2018-06-18 20:10:41,289 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-18 20:10:41,289 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 20:10:41,290 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 20:10:41,335 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-18 20:10:41,353 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 20:10:41,358 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-18 20:10:41,359 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-18 20:10:41,361 INFO L276 PluginConnector]: SmtParser initialized [2018-06-18 20:10:41,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_14_e7_3162.smt2 [2018-06-18 20:10:41,363 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-18 20:10:41,460 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_14_e7_3162.smt2 unknown [2018-06-18 20:10:42,011 INFO L238 SmtParser]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_14_e7_3162.smt2 [2018-06-18 20:10:42,023 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-06-18 20:10:42,029 INFO L131 ToolchainWalker]: Walking toolchain with 1 elements. [2018-06-18 20:10:42,030 INFO L113 PluginConnector]: ------------------------TreeAutomizer---------------------------- [2018-06-18 20:10:42,030 INFO L271 PluginConnector]: Initializing TreeAutomizer... [2018-06-18 20:10:42,033 INFO L276 PluginConnector]: TreeAutomizer initialized [2018-06-18 20:10:42,034 INFO L185 PluginConnector]: Executing the observer TreeAutomizerObserver from plugin TreeAutomizer for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 08:10:42" (1/1) ... [2018-06-18 20:10:42,172 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:10:43,034 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:10:43,868 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:10:44,486 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:10:45,458 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:10:47,399 WARN L168 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 305 DAG size of output: 112 [2018-06-18 20:10:48,400 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:10:50,440 WARN L168 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 323 DAG size of output: 149 [2018-06-18 20:10:51,430 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:10:52,497 WARN L168 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 101 [2018-06-18 20:10:53,311 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:10:54,791 WARN L168 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 322 DAG size of output: 140 [2018-06-18 20:10:55,570 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:10:56,829 WARN L168 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 144 [2018-06-18 20:10:57,623 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:10:58,483 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:10:59,115 WARN L168 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 116 [2018-06-18 20:10:59,758 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:11:01,507 WARN L168 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 339 DAG size of output: 164 [2018-06-18 20:11:02,202 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:11:03,149 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:11:04,159 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:11:05,364 WARN L168 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 125 [2018-06-18 20:11:05,976 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:11:07,195 WARN L168 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 122 [2018-06-18 20:11:07,854 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:11:08,721 WARN L168 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 100 [2018-06-18 20:11:09,178 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:11:10,123 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:11:11,007 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:11:11,860 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:11:12,707 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:11:13,438 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:11:14,052 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:11:14,984 WARN L168 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 112 [2018-06-18 20:11:15,359 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:11:16,313 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:11:17,000 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:11:17,710 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:11:18,841 WARN L168 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 149 [2018-06-18 20:11:19,192 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:11:19,743 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:11:20,595 WARN L168 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 140 [2018-06-18 20:11:20,997 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:11:21,673 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:11:23,063 WARN L168 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 316 DAG size of output: 123 [2018-06-18 20:11:23,580 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:11:24,190 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:11:24,969 WARN L168 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 112 [2018-06-18 20:11:25,408 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:11:26,597 WARN L168 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 144 [2018-06-18 20:11:27,034 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:11:27,714 WARN L168 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 125 [2018-06-18 20:11:28,135 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:11:28,924 WARN L168 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 133 [2018-06-18 20:11:29,303 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:11:29,827 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:11:30,678 WARN L168 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 150 [2018-06-18 20:11:31,106 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. Received shutdown request... [2018-06-18 20:11:31,118 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Timeout exceeded at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:215) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:201) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:918) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.TreeAutomizerCEGAR.retrieveInterpolantsMap(TreeAutomizerCEGAR.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.TreeAutomizerCEGAR.iterate(TreeAutomizerCEGAR.java:201) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.TreeAutomizerObserver.process(TreeAutomizerObserver.java:97) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-06-18 20:11:31,123 INFO L168 Benchmark]: Toolchain (without parser) took 49099.35 ms. Allocated memory was 307.8 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 244.3 MB in the beginning and 651.1 MB in the end (delta: -406.8 MB). Peak memory consumption was 624.4 MB. Max. memory is 3.6 GB. [2018-06-18 20:11:31,124 INFO L168 Benchmark]: SmtParser took 0.19 ms. Allocated memory is still 307.8 MB. Free memory is still 274.2 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 20:11:31,125 INFO L168 Benchmark]: TreeAutomizer took 49092.05 ms. Allocated memory was 307.8 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 243.3 MB in the beginning and 651.1 MB in the end (delta: -407.8 MB). Peak memory consumption was 623.4 MB. Max. memory is 3.6 GB. [2018-06-18 20:11:31,126 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.19 ms. Allocated memory is still 307.8 MB. Free memory is still 274.2 MB. There was no memory consumed. Max. memory is 3.6 GB. * TreeAutomizer took 49092.05 ms. Allocated memory was 307.8 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 243.3 MB in the beginning and 651.1 MB in the end (delta: -407.8 MB). Peak memory consumption was 623.4 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer: - ExceptionOrErrorResult: SMTLIBException: Timeout exceeded de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer: SMTLIBException: Timeout exceeded: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:215) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_14_e7_3162.smt2_TreeAutomizerHopcroftMinimization.epf_TreeAutomizer.xml/Csv-Benchmark-0-2018-06-18_20-11-31-134.csv Completed graceful shutdown