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/cav12/bubblesort_init-3.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-86166b8 [2018-06-23 16:27:48,024 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-23 16:27:48,026 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-23 16:27:48,038 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-23 16:27:48,038 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-23 16:27:48,039 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-23 16:27:48,040 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-23 16:27:48,046 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-23 16:27:48,047 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-23 16:27:48,048 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-23 16:27:48,050 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-06-23 16:27:48,082 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-23 16:27:48,082 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-23 16:27:48,083 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-23 16:27:48,083 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-23 16:27:48,091 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-23 16:27:48,091 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-23 16:27:48,092 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf [2018-06-23 16:27:48,106 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-23 16:27:48,106 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-23 16:27:48,108 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-23 16:27:48,108 INFO L133 SettingsManager]: * Type of minimization to use=HOPCROFT [2018-06-23 16:27:48,108 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-23 16:27:48,111 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-23 16:27:48,111 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-23 16:27:48,173 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-23 16:27:48,189 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-23 16:27:48,194 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-23 16:27:48,195 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-23 16:27:48,195 INFO L276 PluginConnector]: SmtParser initialized [2018-06-23 16:27:48,196 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/cav12/bubblesort_init-3.smt2 [2018-06-23 16:27:48,197 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-23 16:27:48,291 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/cav12/bubblesort_init-3.smt2 unknown [2018-06-23 16:27:48,692 INFO L238 SmtParser]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/cav12/bubblesort_init-3.smt2 [2018-06-23 16:27:48,698 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-06-23 16:27:48,704 INFO L131 ToolchainWalker]: Walking toolchain with 1 elements. [2018-06-23 16:27:48,705 INFO L113 PluginConnector]: ------------------------TreeAutomizer---------------------------- [2018-06-23 16:27:48,705 INFO L271 PluginConnector]: Initializing TreeAutomizer... [2018-06-23 16:27:48,707 INFO L276 PluginConnector]: TreeAutomizer initialized [2018-06-23 16:27:48,709 INFO L185 PluginConnector]: Executing the observer TreeAutomizerObserver from plugin TreeAutomizer for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 23.06 04:27:48" (1/1) ... [2018-06-23 16:28:02,556 WARN L168 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 48 [2018-06-23 16:28:19,728 WARN L168 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 34 [2018-06-23 16:28:26,149 WARN L168 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 47 [2018-06-23 16:28:33,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-06-23 16:28:33,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-06-23 16:28:33,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-06-23 16:28:33,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-06-23 16:28:33,645 WARN L168 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 28 [2018-06-23 16:28:34,369 WARN L168 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 36 Received shutdown request... [2018-06-23 16:28:39,182 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer has thrown an exception: java.lang.UnsupportedOperationException: Auxiliary term must not be contained in any collection at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.SmtFreePredicateFactory$AuxiliaryTerm.hashCode(SmtFreePredicateFactory.java:126) at java.util.HashMap.hash(HashMap.java:338) at java.util.HashMap.containsKey(HashMap.java:595) at java.util.HashSet.contains(HashSet.java:203) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SmtUtils.recursiveAndOrSimplificationHelper(SmtUtils.java:1062) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SmtUtils.andWithExtendedLocalSimplification(SmtUtils.java:923) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SmtUtils.and(SmtUtils.java:890) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.HCStateFactory.implicationStatement(HCStateFactory.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.HCStateFactory.implies(HCStateFactory.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.HCStateFactory.constructBaseGraph(HCStateFactory.java:255) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.HCStateFactory.getImplicationGraph(HCStateFactory.java:265) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.HCStateFactory.filterUnconditonally(HCStateFactory.java:287) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.HCStateFactory.filter(HCStateFactory.java:300) at de.uni_freiburg.informatik.ultimate.automata.tree.operations.difference.LazyDifference.computeDifference(LazyDifference.java:193) at de.uni_freiburg.informatik.ultimate.automata.tree.operations.difference.LazyDifference.(LazyDifference.java:87) at de.uni_freiburg.informatik.ultimate.automata.tree.operations.difference.LazyDifference.(LazyDifference.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.TreeAutomizerCEGAR.refineAbstraction(TreeAutomizerCEGAR.java:351) 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 16:28:39,189 INFO L168 Benchmark]: Toolchain (without parser) took 50490.23 ms. Allocated memory was 309.9 MB in the beginning and 1.1 GB in the end (delta: 835.2 MB). Free memory was 253.4 MB in the beginning and 192.5 MB in the end (delta: 60.9 MB). Peak memory consumption was 902.8 MB. Max. memory is 3.6 GB. [2018-06-23 16:28:39,190 INFO L168 Benchmark]: SmtParser took 0.12 ms. Allocated memory is still 309.9 MB. Free memory is still 277.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-23 16:28:39,191 INFO L168 Benchmark]: TreeAutomizer took 50481.46 ms. Allocated memory was 309.9 MB in the beginning and 1.1 GB in the end (delta: 835.2 MB). Free memory was 252.4 MB in the beginning and 192.5 MB in the end (delta: 59.9 MB). Peak memory consumption was 901.8 MB. Max. memory is 3.6 GB. [2018-06-23 16:28:39,195 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.12 ms. Allocated memory is still 309.9 MB. Free memory is still 277.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * TreeAutomizer took 50481.46 ms. Allocated memory was 309.9 MB in the beginning and 1.1 GB in the end (delta: 835.2 MB). Free memory was 252.4 MB in the beginning and 192.5 MB in the end (delta: 59.9 MB). Peak memory consumption was 901.8 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer: - ExceptionOrErrorResult: UnsupportedOperationException: Auxiliary term must not be contained in any collection de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer: UnsupportedOperationException: Auxiliary term must not be contained in any collection: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.SmtFreePredicateFactory$AuxiliaryTerm.hashCode(SmtFreePredicateFactory.java:126) 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/bubblesort_init-3.smt2_TreeAutomizerHopcroftMinimization.epf_TreeAutomizer.xml/Csv-Benchmark-0-2018-06-23_16-28-39-216.csv Completed graceful shutdown