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_12_e2_1618_e2_138.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 20:05:29,413 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 20:05:29,415 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 20:05:29,428 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 20:05:29,428 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 20:05:29,429 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 20:05:29,431 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 20:05:29,437 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 20:05:29,439 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 20:05:29,440 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 20:05:29,441 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 20:05:29,441 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 20:05:29,444 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 20:05:29,445 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 20:05:29,446 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 20:05:29,447 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 20:05:29,452 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 20:05:29,464 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 20:05:29,466 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 20:05:29,467 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 20:05:29,468 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 20:05:29,476 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 20:05:29,477 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 20:05:29,477 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 20:05:29,478 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 20:05:29,479 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 20:05:29,480 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 20:05:29,481 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 20:05:29,484 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 20:05:29,484 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 20:05:29,485 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 20:05:29,491 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 20:05:29,491 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 20:05:29,492 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 20:05:29,493 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 20:05:29,493 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf [2018-06-18 20:05:29,507 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 20:05:29,507 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 20:05:29,511 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-18 20:05:29,511 INFO L133 SettingsManager]: * Type of minimization to use=HOPCROFT [2018-06-18 20:05:29,511 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-18 20:05:29,512 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 20:05:29,512 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 20:05:29,564 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-18 20:05:29,579 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 20:05:29,585 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-18 20:05:29,587 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-18 20:05:29,587 INFO L276 PluginConnector]: SmtParser initialized [2018-06-18 20:05:29,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_12_e2_1618_e2_138.smt2 [2018-06-18 20:05:29,590 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-18 20:05:29,691 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_12_e2_1618_e2_138.smt2 unknown [2018-06-18 20:05:30,215 INFO L238 SmtParser]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_12_e2_1618_e2_138.smt2 [2018-06-18 20:05:30,220 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-06-18 20:05:30,227 INFO L131 ToolchainWalker]: Walking toolchain with 1 elements. [2018-06-18 20:05:30,228 INFO L113 PluginConnector]: ------------------------TreeAutomizer---------------------------- [2018-06-18 20:05:30,228 INFO L271 PluginConnector]: Initializing TreeAutomizer... [2018-06-18 20:05:30,231 INFO L276 PluginConnector]: TreeAutomizer initialized [2018-06-18 20:05:30,232 INFO L185 PluginConnector]: Executing the observer TreeAutomizerObserver from plugin TreeAutomizer for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 08:05:30" (1/1) ... [2018-06-18 20:05:30,383 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:05:31,182 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:05:32,111 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:05:32,849 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:05:33,661 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:05:34,418 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:05:35,046 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:05:35,743 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:05:36,307 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:05:36,818 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:05:37,813 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:05:38,822 WARN L168 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 143 [2018-06-18 20:05:40,454 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:05:41,143 WARN L168 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 121 [2018-06-18 20:05:42,164 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:05:43,031 WARN L168 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 131 [2018-06-18 20:05:43,717 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:05:44,752 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:05:45,241 WARN L168 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 122 [2018-06-18 20:05:46,099 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:05:47,080 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:05:47,743 WARN L168 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 131 [2018-06-18 20:05:48,386 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:05:48,992 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:05:49,467 WARN L168 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 122 [2018-06-18 20:05:49,961 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:05:50,908 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:05:51,784 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:05:52,445 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:05:53,188 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:05:53,670 WARN L168 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 146 [2018-06-18 20:05:54,317 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:05:55,036 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:05:55,902 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:05:56,761 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:05:58,152 WARN L168 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 179 [2018-06-18 20:06:00,295 WARN L168 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 374 DAG size of output: 167 [2018-06-18 20:06:01,436 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:06:02,024 WARN L168 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 110 [2018-06-18 20:06:03,074 WARN L168 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 146 [2018-06-18 20:06:03,945 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:06:04,633 WARN L168 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 134 [2018-06-18 20:06:05,560 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:06:06,226 WARN L168 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 103 [2018-06-18 20:06:07,155 WARN L168 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 146 [2018-06-18 20:06:08,064 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:06:08,420 WARN L168 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 76 [2018-06-18 20:06:08,782 WARN L168 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 115 [2018-06-18 20:06:09,455 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:06:10,189 WARN L168 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 123 [2018-06-18 20:06:11,020 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:06:11,432 WARN L168 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 94 [2018-06-18 20:06:12,346 WARN L168 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 145 [2018-06-18 20:06:13,389 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:06:14,376 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:06:15,616 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 20:06:16,400 WARN L168 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 167 [2018-06-18 20:06:17,183 WARN L168 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 159 [2018-06-18 20:06:18,270 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 20:06:18,549 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer has thrown an exception: java.lang.UnsupportedOperationException: not yet implemented, we need term in nnf at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.linearterms.PrenexNormalForm.convertApplicationTerm(PrenexNormalForm.java:84) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$BuildApplicationTerm.walk(TermTransformer.java:297) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:239) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.PredicateUnifier$PredicateComparison.generateQuantifierInformation(PredicateUnifier.java:1170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.PredicateUnifier$PredicateComparison.checkTimeout(PredicateUnifier.java:1162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:1067) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:945) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:355) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.HCSSABuilder.buildBackVersionedTreeRunRec(HCSSABuilder.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.HCSSABuilder.buildBackVersionedTreeRunRec(HCSSABuilder.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.HCSSABuilder.buildBackVersionedTreeRunRec(HCSSABuilder.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.HCSSABuilder.buildBackVersionedTreeRunRec(HCSSABuilder.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.HCSSABuilder.buildTreeRunWithBackVersionedInterpolants(HCSSABuilder.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.TreeChecker.annotateTreeRunWithInterpolants(TreeChecker.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.TreeAutomizerCEGAR.constructInterpolantAutomaton(TreeAutomizerCEGAR.java:274) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.TreeAutomizerCEGAR.iterate(TreeAutomizerCEGAR.java:206) 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 20:06:18,564 INFO L168 Benchmark]: Toolchain (without parser) took 48342.97 ms. Allocated memory was 308.8 MB in the beginning and 1.2 GB in the end (delta: 927.5 MB). Free memory was 245.2 MB in the beginning and 671.7 MB in the end (delta: -426.5 MB). Peak memory consumption was 501.0 MB. Max. memory is 3.6 GB. [2018-06-18 20:06:18,574 INFO L168 Benchmark]: SmtParser took 0.21 ms. Allocated memory is still 308.8 MB. Free memory is still 275.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 20:06:18,574 INFO L168 Benchmark]: TreeAutomizer took 48335.10 ms. Allocated memory was 308.8 MB in the beginning and 1.2 GB in the end (delta: 927.5 MB). Free memory was 245.2 MB in the beginning and 671.7 MB in the end (delta: -426.5 MB). Peak memory consumption was 501.0 MB. Max. memory is 3.6 GB. [2018-06-18 20:06:18,575 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.21 ms. Allocated memory is still 308.8 MB. Free memory is still 275.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * TreeAutomizer took 48335.10 ms. Allocated memory was 308.8 MB in the beginning and 1.2 GB in the end (delta: 927.5 MB). Free memory was 245.2 MB in the beginning and 671.7 MB in the end (delta: -426.5 MB). Peak memory consumption was 501.0 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer: - ExceptionOrErrorResult: UnsupportedOperationException: not yet implemented, we need term in nnf de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer: UnsupportedOperationException: not yet implemented, we need term in nnf: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.linearterms.PrenexNormalForm.convertApplicationTerm(PrenexNormalForm.java:84) 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_12_e2_1618_e2_138.smt2_TreeAutomizerHopcroftMinimization.epf_TreeAutomizer.xml/Csv-Benchmark-0-2018-06-18_20-06-18-594.csv Completed graceful shutdown