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/hacms/eventclock4.invalid.01.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1792c6b [2018-06-15 02:37:57,698 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-15 02:37:57,700 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-15 02:37:57,714 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-15 02:37:57,714 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-15 02:37:57,715 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-15 02:37:57,719 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-15 02:37:57,723 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-15 02:37:57,724 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-15 02:37:57,728 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-15 02:37:57,729 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-15 02:37:57,729 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-15 02:37:57,731 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-15 02:37:57,733 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-15 02:37:57,733 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-15 02:37:57,734 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-15 02:37:57,739 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-15 02:37:57,741 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-15 02:37:57,743 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-15 02:37:57,744 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-15 02:37:57,745 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-15 02:37:57,748 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-15 02:37:57,748 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-15 02:37:57,748 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-15 02:37:57,749 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-15 02:37:57,751 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-15 02:37:57,752 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-15 02:37:57,752 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-15 02:37:57,754 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-15 02:37:57,754 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-15 02:37:57,755 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-15 02:37:57,756 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-15 02:37:57,756 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-15 02:37:57,757 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-15 02:37:57,758 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-15 02:37:57,758 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf [2018-06-15 02:37:57,770 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-15 02:37:57,771 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-15 02:37:57,773 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-15 02:37:57,773 INFO L133 SettingsManager]: * Type of minimization to use=HOPCROFT [2018-06-15 02:37:57,773 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-15 02:37:57,779 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-15 02:37:57,779 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-15 02:37:57,837 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-15 02:37:57,853 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-15 02:37:57,857 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-15 02:37:57,859 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-15 02:37:57,860 INFO L276 PluginConnector]: SmtParser initialized [2018-06-15 02:37:57,860 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/sally-chc-benchmarks/hacms/eventclock4.invalid.01.smt2 [2018-06-15 02:37:57,862 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-15 02:37:57,965 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/sally-chc-benchmarks/hacms/eventclock4.invalid.01.smt2 unknown [2018-06-15 02:37:58,223 INFO L238 SmtParser]: Succesfully executed SMT file /storage/chc-comp/sally-chc-benchmarks/hacms/eventclock4.invalid.01.smt2 [2018-06-15 02:37:58,229 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-06-15 02:37:58,236 INFO L131 ToolchainWalker]: Walking toolchain with 1 elements. [2018-06-15 02:37:58,237 INFO L113 PluginConnector]: ------------------------TreeAutomizer---------------------------- [2018-06-15 02:37:58,237 INFO L271 PluginConnector]: Initializing TreeAutomizer... [2018-06-15 02:37:58,241 INFO L276 PluginConnector]: TreeAutomizer initialized [2018-06-15 02:37:58,243 INFO L185 PluginConnector]: Executing the observer TreeAutomizerObserver from plugin TreeAutomizer for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 15.06 02:37:58" (1/1) ... [2018-06-15 02:37:58,341 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:37:58,859 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:37:59,435 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:00,360 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:00,628 WARN L168 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 39 [2018-06-15 02:38:00,773 WARN L168 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2018-06-15 02:38:01,880 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:02,318 WARN L168 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 49 [2018-06-15 02:38:04,899 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:05,750 WARN L168 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 73 [2018-06-15 02:38:06,542 WARN L168 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 105 [2018-06-15 02:38:07,366 WARN L168 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 88 [2018-06-15 02:38:07,742 WARN L168 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 80 [2018-06-15 02:38:12,150 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:12,682 WARN L168 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2018-06-15 02:38:12,908 WARN L168 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 65 [2018-06-15 02:38:13,153 WARN L168 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 59 [2018-06-15 02:38:15,294 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:15,725 WARN L168 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 70 [2018-06-15 02:38:16,198 WARN L168 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 94 [2018-06-15 02:38:16,744 WARN L168 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 97 [2018-06-15 02:38:17,170 WARN L168 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 81 [2018-06-15 02:38:19,161 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:19,575 WARN L168 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 61 [2018-06-15 02:38:20,001 WARN L168 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 91 [2018-06-15 02:38:20,693 WARN L168 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 106 [2018-06-15 02:38:21,154 WARN L168 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 73 [2018-06-15 02:38:23,806 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:24,266 WARN L168 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 65 [2018-06-15 02:38:24,729 WARN L168 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 105 [2018-06-15 02:38:25,036 WARN L168 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 86 [2018-06-15 02:38:25,419 WARN L168 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 92 [2018-06-15 02:38:27,818 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:28,201 WARN L168 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 63 [2018-06-15 02:38:28,587 WARN L168 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 86 [2018-06-15 02:38:29,080 WARN L168 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 90 [2018-06-15 02:38:29,355 WARN L168 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 77 [2018-06-15 02:38:31,093 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:31,524 WARN L168 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 77 [2018-06-15 02:38:31,902 WARN L168 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 110 [2018-06-15 02:38:32,215 WARN L168 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 87 [2018-06-15 02:38:32,474 WARN L168 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 79 [2018-06-15 02:38:34,187 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:34,544 WARN L168 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 62 [2018-06-15 02:38:34,851 WARN L168 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 91 [2018-06-15 02:38:35,362 WARN L168 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 93 [2018-06-15 02:38:35,662 WARN L168 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 83 [2018-06-15 02:38:36,868 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:37,340 WARN L168 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 53 [2018-06-15 02:38:37,768 WARN L168 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 93 [2018-06-15 02:38:38,129 WARN L168 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 96 [2018-06-15 02:38:38,611 WARN L168 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 95 [2018-06-15 02:38:40,364 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:40,737 WARN L168 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 62 [2018-06-15 02:38:41,121 WARN L168 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 88 [2018-06-15 02:38:41,379 WARN L168 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 93 [2018-06-15 02:38:41,685 WARN L168 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 87 [2018-06-15 02:38:42,873 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:43,449 WARN L168 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 71 [2018-06-15 02:38:43,686 WARN L168 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 62 [2018-06-15 02:38:45,211 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:45,608 WARN L168 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 61 [2018-06-15 02:38:46,075 WARN L168 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 94 [2018-06-15 02:38:46,401 WARN L168 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 92 Received shutdown request... [2018-06-15 02:38:47,820 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 02:38:47,825 INFO L168 Benchmark]: Toolchain (without parser) took 49594.77 ms. Allocated memory was 301.5 MB in the beginning and 1.2 GB in the end (delta: 880.8 MB). Free memory was 259.8 MB in the beginning and 940.3 MB in the end (delta: -680.5 MB). Peak memory consumption was 971.4 MB. Max. memory is 3.6 GB. [2018-06-15 02:38:47,826 INFO L168 Benchmark]: SmtParser took 0.21 ms. Allocated memory is still 301.5 MB. Free memory is still 268.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-15 02:38:47,826 INFO L168 Benchmark]: TreeAutomizer took 49587.17 ms. Allocated memory was 301.5 MB in the beginning and 1.2 GB in the end (delta: 880.8 MB). Free memory was 258.8 MB in the beginning and 940.3 MB in the end (delta: -681.5 MB). Peak memory consumption was 970.4 MB. Max. memory is 3.6 GB. [2018-06-15 02:38:47,830 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.21 ms. Allocated memory is still 301.5 MB. Free memory is still 268.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * TreeAutomizer took 49587.17 ms. Allocated memory was 301.5 MB in the beginning and 1.2 GB in the end (delta: 880.8 MB). Free memory was 258.8 MB in the beginning and 940.3 MB in the end (delta: -681.5 MB). Peak memory consumption was 970.4 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer: - ExceptionOrErrorResult: UnsupportedOperationException: Auxiliary term has no sort de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer: UnsupportedOperationException: Auxiliary term has no sort: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.SmtFreePredicateFactory$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/eventclock4.invalid.01.smt2_TreeAutomizerHopcroftMinimization.epf_TreeAutomizer.xml/Csv-Benchmark-0-2018-06-15_02-38-47-839.csv Completed graceful shutdown