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/sally-chc-benchmarks/misc/wbs_simple_7_7.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-86166b8 [2018-06-23 15:05:13,771 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-23 15:05:13,773 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-23 15:05:13,783 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-23 15:05:13,784 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-23 15:05:13,785 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-23 15:05:13,786 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-23 15:05:13,788 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-23 15:05:13,790 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-23 15:05:13,790 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-23 15:05:13,791 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-23 15:05:13,791 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-23 15:05:13,792 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-23 15:05:13,793 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-23 15:05:13,794 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-23 15:05:13,795 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-23 15:05:13,797 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-23 15:05:13,799 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-23 15:05:13,800 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-23 15:05:13,801 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-23 15:05:13,802 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-23 15:05:13,805 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-06-23 15:05:13,810 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-23 15:05:13,811 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-23 15:05:13,811 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-23 15:05:13,812 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-23 15:05:13,812 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-23 15:05:13,813 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-23 15:05:13,813 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf [2018-06-23 15:05:13,821 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-23 15:05:13,821 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-23 15:05:13,823 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-23 15:05:13,823 INFO L133 SettingsManager]: * Type of minimization to use=HOPCROFT [2018-06-23 15:05:13,824 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-23 15:05:13,824 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-23 15:05:13,825 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-23 15:05:13,872 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-23 15:05:13,892 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-23 15:05:13,900 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-23 15:05:13,902 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-23 15:05:13,902 INFO L276 PluginConnector]: SmtParser initialized [2018-06-23 15:05:13,903 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/sally-chc-benchmarks/misc/wbs_simple_7_7.smt2 [2018-06-23 15:05:13,904 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-23 15:05:14,000 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/sally-chc-benchmarks/misc/wbs_simple_7_7.smt2 unknown [2018-06-23 15:05:14,305 INFO L238 SmtParser]: Succesfully executed SMT file /storage/chc-comp/sally-chc-benchmarks/misc/wbs_simple_7_7.smt2 [2018-06-23 15:05:14,312 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-06-23 15:05:14,318 INFO L131 ToolchainWalker]: Walking toolchain with 1 elements. [2018-06-23 15:05:14,319 INFO L113 PluginConnector]: ------------------------TreeAutomizer---------------------------- [2018-06-23 15:05:14,319 INFO L271 PluginConnector]: Initializing TreeAutomizer... [2018-06-23 15:05:14,322 INFO L276 PluginConnector]: TreeAutomizer initialized [2018-06-23 15:05:14,323 INFO L185 PluginConnector]: Executing the observer TreeAutomizerObserver from plugin TreeAutomizer for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 23.06 03:05:14" (1/1) ... [2018-06-23 15:05:20,055 WARN L168 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 55 [2018-06-23 15:05:20,474 WARN L168 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 66 [2018-06-23 15:05:23,098 WARN L168 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2018-06-23 15:05:23,329 WARN L168 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 63 [2018-06-23 15:05:25,517 WARN L168 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 36 [2018-06-23 15:05:25,928 WARN L168 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 65 [2018-06-23 15:05:26,663 WARN L168 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 73 [2018-06-23 15:05:28,673 WARN L168 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 52 [2018-06-23 15:05:28,975 WARN L168 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 61 [2018-06-23 15:05:30,567 WARN L168 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 52 [2018-06-23 15:05:30,875 WARN L168 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 70 [2018-06-23 15:05:32,427 WARN L168 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 52 [2018-06-23 15:05:32,779 WARN L168 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 68 [2018-06-23 15:05:34,478 WARN L168 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 66 [2018-06-23 15:05:34,805 WARN L168 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 82 [2018-06-23 15:05:36,715 WARN L168 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 57 [2018-06-23 15:05:37,106 WARN L168 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 78 [2018-06-23 15:05:39,001 WARN L168 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 65 [2018-06-23 15:05:39,320 WARN L168 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 77 [2018-06-23 15:05:40,882 WARN L168 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2018-06-23 15:05:41,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-06-23 15:05:41,273 WARN L168 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 49 [2018-06-23 15:05:41,839 WARN L168 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 84 [2018-06-23 15:05:43,431 WARN L168 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 64 [2018-06-23 15:05:45,256 WARN L168 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 76 [2018-06-23 15:05:46,643 WARN L168 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 51 [2018-06-23 15:05:46,937 WARN L168 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 75 [2018-06-23 15:05:48,180 WARN L168 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 60 [2018-06-23 15:05:49,306 WARN L168 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 57 [2018-06-23 15:05:49,696 WARN L168 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 79 [2018-06-23 15:05:51,158 WARN L168 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 56 [2018-06-23 15:05:51,544 WARN L168 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 85 [2018-06-23 15:05:53,022 WARN L168 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 49 [2018-06-23 15:05:53,384 WARN L168 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 80 [2018-06-23 15:05:55,182 WARN L168 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 42 [2018-06-23 15:05:55,558 WARN L168 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 67 [2018-06-23 15:05:57,283 WARN L168 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 69 [2018-06-23 15:05:58,473 WARN L168 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 55 [2018-06-23 15:06:00,089 WARN L168 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 58 [2018-06-23 15:06:00,589 WARN L168 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 58 [2018-06-23 15:06:01,122 WARN L168 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 110 Received shutdown request... [2018-06-23 15:06:02,514 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$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-06-23 15:06:02,518 INFO L168 Benchmark]: Toolchain (without parser) took 48205.62 ms. Allocated memory was 307.2 MB in the beginning and 1.2 GB in the end (delta: 934.3 MB). Free memory was 261.7 MB in the beginning and 1.0 GB in the end (delta: -765.9 MB). Peak memory consumption was 1.0 GB. Max. memory is 3.6 GB. [2018-06-23 15:06:02,519 INFO L168 Benchmark]: SmtParser took 0.17 ms. Allocated memory is still 307.2 MB. Free memory is still 274.6 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-23 15:06:02,519 INFO L168 Benchmark]: TreeAutomizer took 48198.07 ms. Allocated memory was 307.2 MB in the beginning and 1.2 GB in the end (delta: 934.3 MB). Free memory was 261.7 MB in the beginning and 1.0 GB in the end (delta: -765.9 MB). Peak memory consumption was 1.0 GB. Max. memory is 3.6 GB. [2018-06-23 15:06:02,521 INFO L344 ainManager$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 307.2 MB. Free memory is still 274.6 MB. There was no memory consumed. Max. memory is 3.6 GB. * TreeAutomizer took 48198.07 ms. Allocated memory was 307.2 MB in the beginning and 1.2 GB in the end (delta: 934.3 MB). Free memory was 261.7 MB in the beginning and 1.0 GB in the end (delta: -765.9 MB). Peak memory consumption was 1.0 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/wbs_simple_7_7.smt2_TreeAutomizerHopcroftMinimization.epf_TreeAutomizer.xml/Csv-Benchmark-0-2018-06-23_15-06-02-537.csv Completed graceful shutdown