java -Xss1g -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/TreeAutomizer.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf -i /storage/chc-comp/sally-chc-benchmarks/hacms/eventclock3.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-21 09:04:16,570 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-21 09:04:16,572 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-21 09:04:16,589 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-21 09:04:16,590 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-21 09:04:16,591 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-21 09:04:16,592 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-21 09:04:16,594 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-21 09:04:16,596 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-21 09:04:16,596 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-21 09:04:16,598 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-21 09:04:16,598 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-21 09:04:16,599 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-21 09:04:16,600 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-21 09:04:16,601 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-21 09:04:16,602 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-21 09:04:16,606 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-21 09:04:16,607 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-21 09:04:16,620 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-21 09:04:16,621 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-21 09:04:16,623 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-21 09:04:16,626 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-21 09:04:16,626 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-21 09:04:16,626 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-21 09:04:16,627 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-21 09:04:16,628 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-21 09:04:16,629 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-21 09:04:16,629 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-21 09:04:16,630 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-21 09:04:16,630 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-21 09:04:16,635 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-21 09:04:16,636 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-21 09:04:16,636 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-21 09:04:16,637 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-21 09:04:16,637 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-21 09:04:16,637 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf [2018-06-21 09:04:16,651 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-21 09:04:16,652 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-21 09:04:16,658 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-21 09:04:16,658 INFO L133 SettingsManager]: * Type of minimization to use=HOPCROFT [2018-06-21 09:04:16,659 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-21 09:04:16,659 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-21 09:04:16,660 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-21 09:04:16,704 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-21 09:04:16,717 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-21 09:04:16,721 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-21 09:04:16,722 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-21 09:04:16,723 INFO L276 PluginConnector]: SmtParser initialized [2018-06-21 09:04:16,723 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/sally-chc-benchmarks/hacms/eventclock3.smt2 [2018-06-21 09:04:16,725 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-21 09:04:16,814 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/sally-chc-benchmarks/hacms/eventclock3.smt2 unknown [2018-06-21 09:04:17,018 INFO L238 SmtParser]: Succesfully executed SMT file /storage/chc-comp/sally-chc-benchmarks/hacms/eventclock3.smt2 [2018-06-21 09:04:17,030 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-06-21 09:04:17,046 INFO L131 ToolchainWalker]: Walking toolchain with 1 elements. [2018-06-21 09:04:17,047 INFO L113 PluginConnector]: ------------------------TreeAutomizer---------------------------- [2018-06-21 09:04:17,047 INFO L271 PluginConnector]: Initializing TreeAutomizer... [2018-06-21 09:04:17,050 INFO L276 PluginConnector]: TreeAutomizer initialized [2018-06-21 09:04:17,050 INFO L185 PluginConnector]: Executing the observer TreeAutomizerObserver from plugin TreeAutomizer for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 21.06 09:04:17" (1/1) ... [2018-06-21 09:04:20,162 WARN L168 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 49 [2018-06-21 09:04:20,381 WARN L168 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 49 [2018-06-21 09:04:21,689 WARN L168 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 55 [2018-06-21 09:04:25,064 WARN L168 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 50 [2018-06-21 09:04:25,257 WARN L168 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 35 [2018-06-21 09:04:27,684 WARN L168 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 49 [2018-06-21 09:04:27,956 WARN L168 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 73 [2018-06-21 09:04:28,266 WARN L168 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 72 [2018-06-21 09:04:28,481 WARN L168 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 64 [2018-06-21 09:04:29,902 WARN L168 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 66 [2018-06-21 09:04:30,242 WARN L168 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 82 [2018-06-21 09:04:30,613 WARN L168 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 69 [2018-06-21 09:04:32,376 WARN L168 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 55 [2018-06-21 09:04:32,631 WARN L168 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 61 [2018-06-21 09:04:33,029 WARN L168 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 76 [2018-06-21 09:04:33,399 WARN L168 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 76 [2018-06-21 09:04:33,651 WARN L168 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 61 [2018-06-21 09:04:35,902 WARN L168 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 60 [2018-06-21 09:04:36,370 WARN L168 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 68 [2018-06-21 09:04:36,586 WARN L168 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 59 [2018-06-21 09:04:38,920 WARN L168 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 62 [2018-06-21 09:04:39,239 WARN L168 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 63 [2018-06-21 09:04:39,490 WARN L168 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 60 [2018-06-21 09:04:39,710 WARN L168 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 63 [2018-06-21 09:04:41,695 WARN L168 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 65 [2018-06-21 09:04:42,072 WARN L168 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 75 [2018-06-21 09:04:42,446 WARN L168 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 75 [2018-06-21 09:04:42,719 WARN L168 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 61 [2018-06-21 09:04:44,395 WARN L168 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2018-06-21 09:04:46,157 WARN L168 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 64 [2018-06-21 09:04:47,944 WARN L168 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 60 [2018-06-21 09:04:48,574 WARN L168 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 97 [2018-06-21 09:04:49,142 WARN L168 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 100 [2018-06-21 09:04:49,781 WARN L168 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 106 [2018-06-21 09:04:50,416 WARN L168 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 96 [2018-06-21 09:04:50,758 WARN L168 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 80 [2018-06-21 09:04:52,681 WARN L168 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 68 [2018-06-21 09:04:52,970 WARN L168 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 86 [2018-06-21 09:04:53,257 WARN L168 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 81 [2018-06-21 09:04:53,584 WARN L168 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 87 [2018-06-21 09:04:55,990 WARN L168 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 49 [2018-06-21 09:04:56,582 WARN L168 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 96 [2018-06-21 09:04:57,006 WARN L168 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 90 [2018-06-21 09:04:57,613 WARN L168 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 116 [2018-06-21 09:04:58,142 WARN L168 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 104 [2018-06-21 09:04:58,834 WARN L168 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 93 [2018-06-21 09:04:59,283 WARN L168 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 87 [2018-06-21 09:05:01,749 WARN L168 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 52 [2018-06-21 09:05:02,161 WARN L168 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 83 [2018-06-21 09:05:02,702 WARN L168 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 96 [2018-06-21 09:05:03,556 WARN L168 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 108 [2018-06-21 09:05:04,157 WARN L168 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 90 [2018-06-21 09:05:04,886 WARN L168 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 91 [2018-06-21 09:05:05,468 WARN L168 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 63 [2018-06-21 09:05:08,772 WARN L168 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 63 [2018-06-21 09:05:09,710 WARN L168 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 118 Received shutdown request... [2018-06-21 09:05:09,734 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:78) 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.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) [2018-06-21 09:05:09,738 INFO L168 Benchmark]: Toolchain (without parser) took 52707.82 ms. Allocated memory was 302.0 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 260.4 MB in the beginning and 964.6 MB in the end (delta: -704.2 MB). Peak memory consumption was 333.3 MB. Max. memory is 3.6 GB. [2018-06-21 09:05:09,739 INFO L168 Benchmark]: SmtParser took 0.16 ms. Allocated memory is still 302.0 MB. Free memory is still 268.4 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-21 09:05:09,740 INFO L168 Benchmark]: TreeAutomizer took 52690.50 ms. Allocated memory was 302.0 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 260.4 MB in the beginning and 964.6 MB in the end (delta: -704.2 MB). Peak memory consumption was 333.3 MB. Max. memory is 3.6 GB. [2018-06-21 09:05:09,742 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.16 ms. Allocated memory is still 302.0 MB. Free memory is still 268.4 MB. There was no memory consumed. Max. memory is 3.6 GB. * TreeAutomizer took 52690.50 ms. Allocated memory was 302.0 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 260.4 MB in the beginning and 964.6 MB in the end (delta: -704.2 MB). Peak memory consumption was 333.3 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:78) 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/eventclock3.smt2_TreeAutomizerHopcroftMinimization.epf_TreeAutomizer.xml/Csv-Benchmark-0-2018-06-21_09-05-09-751.csv Completed graceful shutdown