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/TreeAutomizerNaiveMinimization.epf -i /storage/chc-comp/vmt-chc-benchmarks/ctigar/gulwani_cegar1.c.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1792c6b [2018-06-15 09:00:21,784 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-15 09:00:21,787 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-15 09:00:21,803 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-15 09:00:21,803 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-15 09:00:21,804 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-15 09:00:21,808 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-15 09:00:21,811 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-15 09:00:21,812 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-15 09:00:21,814 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-15 09:00:21,817 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-15 09:00:21,818 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-15 09:00:21,819 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-15 09:00:21,822 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-15 09:00:21,822 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-15 09:00:21,823 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-15 09:00:21,837 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-15 09:00:21,839 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-15 09:00:21,840 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-15 09:00:21,841 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-15 09:00:21,842 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-15 09:00:21,844 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-15 09:00:21,844 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-15 09:00:21,844 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-15 09:00:21,845 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-15 09:00:21,849 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-15 09:00:21,850 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-15 09:00:21,851 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-15 09:00:21,852 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-15 09:00:21,852 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-15 09:00:21,853 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-15 09:00:21,857 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-15 09:00:21,857 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-15 09:00:21,858 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-15 09:00:21,859 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-15 09:00:21,859 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/TreeAutomizer/TreeAutomizerNaiveMinimization.epf [2018-06-15 09:00:21,872 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-15 09:00:21,873 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-15 09:00:21,875 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-15 09:00:21,875 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-15 09:00:21,878 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-15 09:00:21,879 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-15 09:00:21,930 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-15 09:00:21,951 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-15 09:00:21,957 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-15 09:00:21,958 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-15 09:00:21,959 INFO L276 PluginConnector]: SmtParser initialized [2018-06-15 09:00:21,960 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/ctigar/gulwani_cegar1.c.smt2 [2018-06-15 09:00:21,961 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-15 09:00:22,055 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/ctigar/gulwani_cegar1.c.smt2 unknown [2018-06-15 09:00:22,277 INFO L238 SmtParser]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/ctigar/gulwani_cegar1.c.smt2 [2018-06-15 09:00:22,282 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-06-15 09:00:22,289 INFO L131 ToolchainWalker]: Walking toolchain with 1 elements. [2018-06-15 09:00:22,290 INFO L113 PluginConnector]: ------------------------TreeAutomizer---------------------------- [2018-06-15 09:00:22,290 INFO L271 PluginConnector]: Initializing TreeAutomizer... [2018-06-15 09:00:22,293 INFO L276 PluginConnector]: TreeAutomizer initialized [2018-06-15 09:00:22,294 INFO L185 PluginConnector]: Executing the observer TreeAutomizerObserver from plugin TreeAutomizer for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 15.06 09:00:22" (1/1) ... [2018-06-15 09:00:22,355 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:22,560 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:22,819 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:23,293 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:23,848 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:24,421 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:25,254 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:25,989 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:26,720 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:27,388 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:28,018 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:28,646 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:29,170 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:29,651 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:30,087 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:30,574 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:31,000 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:31,393 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:31,821 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:32,247 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:32,637 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:33,030 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:33,416 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:33,804 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:34,152 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:34,527 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:34,911 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:35,309 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:35,705 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:36,039 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:36,368 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:36,726 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:37,118 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:37,442 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:37,792 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:38,207 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:38,565 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:38,886 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:39,238 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:39,590 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:39,933 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:40,237 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:40,546 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:40,903 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:41,133 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:41,510 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:42,039 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:42,962 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:44,072 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:45,219 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:46,792 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:48,621 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:50,538 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:52,387 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:54,392 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:56,791 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:00:59,940 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:01:03,098 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:01:05,888 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 09:01:08,133 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. Received shutdown request... [2018-06-15 09:01:09,143 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) [2018-06-15 09:01:09,148 INFO L168 Benchmark]: Toolchain (without parser) took 46865.14 ms. Allocated memory was 305.7 MB in the beginning and 1.2 GB in the end (delta: 857.7 MB). Free memory was 262.1 MB in the beginning and 655.6 MB in the end (delta: -393.5 MB). Peak memory consumption was 464.2 MB. Max. memory is 3.6 GB. [2018-06-15 09:01:09,150 INFO L168 Benchmark]: SmtParser took 0.17 ms. Allocated memory is still 305.7 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-15 09:01:09,150 INFO L168 Benchmark]: TreeAutomizer took 46857.23 ms. Allocated memory was 305.7 MB in the beginning and 1.2 GB in the end (delta: 857.7 MB). Free memory was 262.1 MB in the beginning and 655.6 MB in the end (delta: -393.5 MB). Peak memory consumption was 464.2 MB. Max. memory is 3.6 GB. [2018-06-15 09:01:09,152 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.17 ms. Allocated memory is still 305.7 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * TreeAutomizer took 46857.23 ms. Allocated memory was 305.7 MB in the beginning and 1.2 GB in the end (delta: 857.7 MB). Free memory was 262.1 MB in the beginning and 655.6 MB in the end (delta: -393.5 MB). Peak memory consumption was 464.2 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer: - ExceptionOrErrorResult: UnsupportedOperationException: Auxiliary term has no sort de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer: UnsupportedOperationException: Auxiliary term has no sort: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.SmtFreePredicateFactory$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/gulwani_cegar1.c.smt2_TreeAutomizerNaiveMinimization.epf_TreeAutomizer.xml/Csv-Benchmark-0-2018-06-15_09-01-09-163.csv Completed graceful shutdown