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/lustre/DRAGON_5_e2_3018_e2_936.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-86166b8 [2018-06-23 18:46:41,449 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-23 18:46:41,452 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-23 18:46:41,467 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-06-23 18:46:41,516 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf [2018-06-23 18:46:41,528 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-23 18:46:41,529 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-23 18:46:41,530 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-23 18:46:41,531 INFO L133 SettingsManager]: * Type of minimization to use=HOPCROFT [2018-06-23 18:46:41,531 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-23 18:46:41,532 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-23 18:46:41,532 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-23 18:46:41,581 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-23 18:46:41,593 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-23 18:46:41,597 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-23 18:46:41,598 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-23 18:46:41,598 INFO L276 PluginConnector]: SmtParser initialized [2018-06-23 18:46:41,599 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e2_3018_e2_936.smt2 [2018-06-23 18:46:41,601 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-23 18:46:41,694 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e2_3018_e2_936.smt2 unknown [2018-06-23 18:46:42,239 INFO L238 SmtParser]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e2_3018_e2_936.smt2 [2018-06-23 18:46:42,244 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-06-23 18:46:42,249 INFO L131 ToolchainWalker]: Walking toolchain with 1 elements. [2018-06-23 18:46:42,250 INFO L113 PluginConnector]: ------------------------TreeAutomizer---------------------------- [2018-06-23 18:46:42,250 INFO L271 PluginConnector]: Initializing TreeAutomizer... [2018-06-23 18:46:42,253 INFO L276 PluginConnector]: TreeAutomizer initialized [2018-06-23 18:46:42,254 INFO L185 PluginConnector]: Executing the observer TreeAutomizerObserver from plugin TreeAutomizer for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 23.06 06:46:42" (1/1) ... [2018-06-23 18:46:46,704 WARN L168 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 257 DAG size of output: 128 [2018-06-23 18:46:47,833 WARN L168 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 94 [2018-06-23 18:46:49,307 WARN L168 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 87 [2018-06-23 18:46:50,714 WARN L168 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 86 [2018-06-23 18:46:52,635 WARN L168 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 132 [2018-06-23 18:46:54,968 WARN L168 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 111 [2018-06-23 18:46:57,125 WARN L168 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 150 [2018-06-23 18:46:57,799 WARN L168 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 152 [2018-06-23 18:47:00,278 WARN L168 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 156 [2018-06-23 18:47:04,028 WARN L168 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 149 [2018-06-23 18:47:04,516 WARN L168 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 140 [2018-06-23 18:47:15,628 WARN L168 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 143 [2018-06-23 18:47:17,442 WARN L168 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 149 [2018-06-23 18:47:17,912 WARN L168 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 157 [2018-06-23 18:47:19,156 WARN L168 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 139 Received shutdown request... [2018-06-23 18:47:37,944 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer has thrown an exception: de.uni_freiburg.informatik.ultimate.automata.AutomataOperationCanceledException: Timeout or canceled by user. at de.uni_freiburg.informatik.ultimate.automata.tree.operations.minimization.hopcroft.MinimizeNftaHopcroft.initPartition(MinimizeNftaHopcroft.java:480) at de.uni_freiburg.informatik.ultimate.automata.tree.operations.minimization.hopcroft.MinimizeNftaHopcroft.doOperation(MinimizeNftaHopcroft.java:382) at de.uni_freiburg.informatik.ultimate.automata.tree.operations.minimization.hopcroft.MinimizeNftaHopcroft.(MinimizeNftaHopcroft.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.TreeAutomizerCEGAR.refineAbstraction(TreeAutomizerCEGAR.java:380) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.TreeAutomizerCEGAR.iterate(TreeAutomizerCEGAR.java:211) 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$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-06-23 18:47:37,948 INFO L168 Benchmark]: Toolchain (without parser) took 55703.25 ms. Allocated memory was 301.5 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 238.8 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-23 18:47:37,949 INFO L168 Benchmark]: SmtParser took 0.22 ms. Allocated memory is still 301.5 MB. Free memory is still 268.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-23 18:47:37,949 INFO L168 Benchmark]: TreeAutomizer took 55696.78 ms. Allocated memory was 301.5 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 237.8 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-23 18:47:37,950 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.22 ms. Allocated memory is still 301.5 MB. Free memory is still 268.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * TreeAutomizer took 55696.78 ms. Allocated memory was 301.5 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 237.8 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer: - ExceptionOrErrorResult: AutomataOperationCanceledException: Timeout or canceled by user. de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer: AutomataOperationCanceledException: Timeout or canceled by user.: de.uni_freiburg.informatik.ultimate.automata.tree.operations.minimization.hopcroft.MinimizeNftaHopcroft.initPartition(MinimizeNftaHopcroft.java:480) 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_5_e2_3018_e2_936.smt2_TreeAutomizerHopcroftMinimization.epf_TreeAutomizer.xml/Csv-Benchmark-0-2018-06-23_18-47-37-958.csv Completed graceful shutdown