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/sally-chc-benchmarks/misc/Ex3.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 17:56:02,209 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 17:56:02,211 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 17:56:02,222 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 17:56:02,222 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 17:56:02,223 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 17:56:02,224 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 17:56:02,226 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 17:56:02,227 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 17:56:02,228 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 17:56:02,229 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 17:56:02,229 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 17:56:02,230 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 17:56:02,231 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 17:56:02,232 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 17:56:02,232 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 17:56:02,234 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 17:56:02,236 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 17:56:02,238 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 17:56:02,239 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 17:56:02,240 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 17:56:02,243 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 17:56:02,243 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 17:56:02,243 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 17:56:02,244 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 17:56:02,245 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 17:56:02,246 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 17:56:02,247 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 17:56:02,248 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 17:56:02,248 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 17:56:02,249 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 17:56:02,249 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 17:56:02,250 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 17:56:02,251 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 17:56:02,251 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 17:56:02,252 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf [2018-06-18 17:56:02,259 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 17:56:02,259 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 17:56:02,262 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-18 17:56:02,262 INFO L133 SettingsManager]: * Type of minimization to use=HOPCROFT [2018-06-18 17:56:02,262 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-18 17:56:02,263 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 17:56:02,263 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 17:56:02,301 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-18 17:56:02,318 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 17:56:02,324 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-18 17:56:02,325 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-18 17:56:02,326 INFO L276 PluginConnector]: SmtParser initialized [2018-06-18 17:56:02,327 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/sally-chc-benchmarks/misc/Ex3.smt2 [2018-06-18 17:56:02,328 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-18 17:56:02,430 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/sally-chc-benchmarks/misc/Ex3.smt2 unknown [2018-06-18 17:56:02,587 INFO L238 SmtParser]: Succesfully executed SMT file /storage/chc-comp/sally-chc-benchmarks/misc/Ex3.smt2 [2018-06-18 17:56:02,592 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-06-18 17:56:02,598 INFO L131 ToolchainWalker]: Walking toolchain with 1 elements. [2018-06-18 17:56:02,599 INFO L113 PluginConnector]: ------------------------TreeAutomizer---------------------------- [2018-06-18 17:56:02,599 INFO L271 PluginConnector]: Initializing TreeAutomizer... [2018-06-18 17:56:02,602 INFO L276 PluginConnector]: TreeAutomizer initialized [2018-06-18 17:56:02,603 INFO L185 PluginConnector]: Executing the observer TreeAutomizerObserver from plugin TreeAutomizer for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 05:56:02" (1/1) ... [2018-06-18 17:56:02,723 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 17:56:03,023 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 17:56:03,399 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 17:56:04,106 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 17:56:04,314 WARN L168 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2018-06-18 17:56:04,506 WARN L168 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2018-06-18 17:56:05,180 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 17:56:05,444 WARN L168 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 58 [2018-06-18 17:56:05,633 WARN L168 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2018-06-18 17:56:05,852 WARN L168 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2018-06-18 17:56:06,696 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 17:56:07,740 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 17:56:07,995 WARN L168 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2018-06-18 17:56:08,160 WARN L168 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2018-06-18 17:56:08,368 WARN L168 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 58 [2018-06-18 17:56:09,032 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 17:56:09,851 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 17:56:10,963 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 17:56:11,366 WARN L168 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2018-06-18 17:56:11,538 WARN L168 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2018-06-18 17:56:12,643 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 17:56:13,124 WARN L168 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 49 [2018-06-18 17:56:13,452 WARN L168 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2018-06-18 17:56:14,675 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 17:56:15,161 WARN L168 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 56 [2018-06-18 17:56:15,438 WARN L168 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 56 [2018-06-18 17:56:15,723 WARN L168 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 49 [2018-06-18 17:56:16,089 WARN L168 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 68 [2018-06-18 17:56:16,578 WARN L168 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 69 [2018-06-18 17:56:16,822 WARN L168 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 58 [2018-06-18 17:56:18,336 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 17:56:18,824 WARN L168 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 52 [2018-06-18 17:56:19,065 WARN L168 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 50 [2018-06-18 17:56:19,287 WARN L168 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 59 [2018-06-18 17:56:19,603 WARN L168 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 58 [2018-06-18 17:56:19,798 WARN L168 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 53 [2018-06-18 17:56:20,783 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 17:56:21,155 WARN L168 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 50 [2018-06-18 17:56:21,405 WARN L168 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 53 [2018-06-18 17:56:21,892 WARN L168 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 61 [2018-06-18 17:56:22,236 WARN L168 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 72 [2018-06-18 17:56:22,595 WARN L168 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 67 [2018-06-18 17:56:22,889 WARN L168 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 58 [2018-06-18 17:56:24,339 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 17:56:25,335 WARN L168 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 53 [2018-06-18 17:56:27,060 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 17:56:27,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-06-18 17:56:27,786 WARN L168 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 53 [2018-06-18 17:56:28,038 WARN L168 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 55 [2018-06-18 17:56:29,260 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 17:56:30,209 WARN L168 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 57 [2018-06-18 17:56:30,503 WARN L168 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2018-06-18 17:56:31,495 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 17:56:33,358 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 17:56:35,740 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 17:56:36,670 WARN L168 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 52 [2018-06-18 17:56:36,996 WARN L168 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 58 [2018-06-18 17:56:37,385 WARN L168 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 60 [2018-06-18 17:56:38,562 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 17:56:38,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-06-18 17:56:38,938 WARN L168 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 43 [2018-06-18 17:56:39,460 WARN L168 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 51 [2018-06-18 17:56:39,776 WARN L168 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 65 [2018-06-18 17:56:40,164 WARN L168 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2018-06-18 17:56:41,200 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 17:56:41,583 WARN L168 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 48 [2018-06-18 17:56:41,877 WARN L168 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 52 [2018-06-18 17:56:43,513 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 17:56:43,897 WARN L168 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2018-06-18 17:56:44,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-06-18 17:56:44,258 WARN L168 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 57 [2018-06-18 17:56:44,730 WARN L168 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 67 [2018-06-18 17:56:45,218 WARN L168 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 81 [2018-06-18 17:56:46,622 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 17:56:46,927 WARN L168 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2018-06-18 17:56:47,491 WARN L168 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 51 [2018-06-18 17:56:47,823 WARN L168 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 62 [2018-06-18 17:56:48,176 WARN L168 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 64 [2018-06-18 17:56:49,169 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 17:56:49,564 WARN L168 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2018-06-18 17:56:51,608 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 17:56:52,165 WARN L168 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 61 [2018-06-18 17:56:52,437 WARN L168 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 47 [2018-06-18 17:56:53,840 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 17:56:54,759 WARN L168 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 64 [2018-06-18 17:56:56,734 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 17:56:57,981 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer has thrown an exception: java.lang.UnsupportedOperationException: Auxiliary term has no sort at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.SmtFreePredicateFactory$AuxiliaryTerm.getSort(SmtFreePredicateFactory.java:96) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:308) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:296) at de.uni_freiburg.informatik.ultimate.logic.Util.not(Util.java:113) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SmtUtils.not(SmtUtils.java:558) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.HCStateFactory.implicationStatement(HCStateFactory.java:223) 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:356) 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) [2018-06-18 17:56:57,989 INFO L168 Benchmark]: Toolchain (without parser) took 55395.57 ms. Allocated memory was 315.1 MB in the beginning and 848.3 MB in the end (delta: 533.2 MB). Free memory was 273.4 MB in the beginning and 642.1 MB in the end (delta: -368.7 MB). Peak memory consumption was 627.0 MB. Max. memory is 3.6 GB. [2018-06-18 17:56:57,991 INFO L168 Benchmark]: SmtParser took 0.21 ms. Allocated memory is still 315.1 MB. Free memory is still 281.4 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 17:56:57,991 INFO L168 Benchmark]: TreeAutomizer took 55389.01 ms. Allocated memory was 315.1 MB in the beginning and 848.3 MB in the end (delta: 533.2 MB). Free memory was 273.4 MB in the beginning and 642.1 MB in the end (delta: -368.7 MB). Peak memory consumption was 627.0 MB. Max. memory is 3.6 GB. [2018-06-18 17:56:57,993 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.21 ms. Allocated memory is still 315.1 MB. Free memory is still 281.4 MB. There was no memory consumed. Max. memory is 3.6 GB. * TreeAutomizer took 55389.01 ms. Allocated memory was 315.1 MB in the beginning and 848.3 MB in the end (delta: 533.2 MB). Free memory was 273.4 MB in the beginning and 642.1 MB in the end (delta: -368.7 MB). Peak memory consumption was 627.0 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer: - ExceptionOrErrorResult: UnsupportedOperationException: Auxiliary term has no sort de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer: UnsupportedOperationException: Auxiliary term has no sort: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.SmtFreePredicateFactory$AuxiliaryTerm.getSort(SmtFreePredicateFactory.java:96) 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/Ex3.smt2_TreeAutomizerHopcroftMinimization.epf_TreeAutomizer.xml/Csv-Benchmark-0-2018-06-18_17-56-58-009.csv Completed graceful shutdown