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/eventclock3.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1792c6b [2018-06-15 02:37:55,503 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-15 02:37:55,505 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-15 02:37:55,519 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-15 02:37:55,519 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-15 02:37:55,520 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-15 02:37:55,523 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-15 02:37:55,525 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-15 02:37:55,527 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-15 02:37:55,528 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-15 02:37:55,529 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-15 02:37:55,530 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-15 02:37:55,530 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-15 02:37:55,531 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-15 02:37:55,532 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-15 02:37:55,535 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-15 02:37:55,536 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-15 02:37:55,546 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-15 02:37:55,547 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-15 02:37:55,548 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-15 02:37:55,549 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-15 02:37:55,553 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-15 02:37:55,554 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-15 02:37:55,554 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-15 02:37:55,555 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-15 02:37:55,555 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-15 02:37:55,557 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-15 02:37:55,558 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-15 02:37:55,559 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-15 02:37:55,559 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-15 02:37:55,559 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-15 02:37:55,563 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-15 02:37:55,564 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-15 02:37:55,564 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-15 02:37:55,565 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-15 02:37:55,565 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf [2018-06-15 02:37:55,577 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-15 02:37:55,578 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-15 02:37:55,580 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-15 02:37:55,580 INFO L133 SettingsManager]: * Type of minimization to use=HOPCROFT [2018-06-15 02:37:55,580 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-15 02:37:55,581 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-15 02:37:55,581 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-15 02:37:55,630 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-15 02:37:55,646 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-15 02:37:55,655 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-15 02:37:55,657 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-15 02:37:55,658 INFO L276 PluginConnector]: SmtParser initialized [2018-06-15 02:37:55,658 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/sally-chc-benchmarks/hacms/eventclock3.smt2 [2018-06-15 02:37:55,660 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-15 02:37:55,757 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/sally-chc-benchmarks/hacms/eventclock3.smt2 unknown [2018-06-15 02:37:55,939 INFO L238 SmtParser]: Succesfully executed SMT file /storage/chc-comp/sally-chc-benchmarks/hacms/eventclock3.smt2 [2018-06-15 02:37:55,944 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-06-15 02:37:55,950 INFO L131 ToolchainWalker]: Walking toolchain with 1 elements. [2018-06-15 02:37:55,950 INFO L113 PluginConnector]: ------------------------TreeAutomizer---------------------------- [2018-06-15 02:37:55,951 INFO L271 PluginConnector]: Initializing TreeAutomizer... [2018-06-15 02:37:55,961 INFO L276 PluginConnector]: TreeAutomizer initialized [2018-06-15 02:37:55,962 INFO L185 PluginConnector]: Executing the observer TreeAutomizerObserver from plugin TreeAutomizer for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 15.06 02:37:55" (1/1) ... [2018-06-15 02:37:56,070 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:37:56,482 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:37:56,977 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:37:57,845 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:37:59,165 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:37:59,847 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:00,373 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:01,061 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:01,651 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:02,243 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:02,911 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:03,185 WARN L168 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 41 [2018-06-15 02:38:03,400 WARN L168 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 52 [2018-06-15 02:38:04,679 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:05,061 WARN L168 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 64 [2018-06-15 02:38:05,370 WARN L168 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 75 [2018-06-15 02:38:05,701 WARN L168 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 77 [2018-06-15 02:38:05,876 WARN L168 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 46 [2018-06-15 02:38:07,792 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:08,137 WARN L168 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 54 [2018-06-15 02:38:08,451 WARN L168 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2018-06-15 02:38:08,781 WARN L168 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 78 [2018-06-15 02:38:08,995 WARN L168 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 47 [2018-06-15 02:38:10,864 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:11,232 WARN L168 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 69 [2018-06-15 02:38:11,666 WARN L168 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 85 [2018-06-15 02:38:12,150 WARN L168 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 83 [2018-06-15 02:38:12,376 WARN L168 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 56 [2018-06-15 02:38:14,014 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:14,618 WARN L168 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2018-06-15 02:38:14,898 WARN L168 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 58 [2018-06-15 02:38:15,128 WARN L168 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 45 [2018-06-15 02:38:16,665 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:17,038 WARN L168 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 69 [2018-06-15 02:38:17,271 WARN L168 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 78 [2018-06-15 02:38:17,534 WARN L168 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 84 [2018-06-15 02:38:17,725 WARN L168 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2018-06-15 02:38:19,009 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:19,293 WARN L168 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 58 [2018-06-15 02:38:19,519 WARN L168 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 73 [2018-06-15 02:38:19,738 WARN L168 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 71 [2018-06-15 02:38:20,905 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:21,295 WARN L168 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 74 [2018-06-15 02:38:22,499 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:23,248 WARN L168 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 75 [2018-06-15 02:38:23,547 WARN L168 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 80 [2018-06-15 02:38:23,969 WARN L168 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 87 [2018-06-15 02:38:26,741 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:27,402 WARN L168 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 88 [2018-06-15 02:38:27,804 WARN L168 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 125 [2018-06-15 02:38:28,176 WARN L168 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 92 [2018-06-15 02:38:28,396 WARN L168 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 73 [2018-06-15 02:38:30,548 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:31,405 WARN L168 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 83 [2018-06-15 02:38:32,082 WARN L168 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 117 [2018-06-15 02:38:32,696 WARN L168 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 98 [2018-06-15 02:38:33,206 WARN L168 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 75 [2018-06-15 02:38:33,499 WARN L168 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 57 [2018-06-15 02:38:36,928 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:37,448 WARN L168 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 70 [2018-06-15 02:38:37,738 WARN L168 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 78 [2018-06-15 02:38:38,050 WARN L168 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 80 [2018-06-15 02:38:38,492 WARN L168 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 93 [2018-06-15 02:38:39,058 WARN L168 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 104 [2018-06-15 02:38:39,375 WARN L168 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 78 [2018-06-15 02:38:42,272 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:42,958 WARN L168 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 62 [2018-06-15 02:38:43,505 WARN L168 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 90 [2018-06-15 02:38:44,059 WARN L168 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 97 [2018-06-15 02:38:44,901 WARN L168 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 114 [2018-06-15 02:38:45,354 WARN L168 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 95 [2018-06-15 02:38:45,765 WARN L168 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 93 [2018-06-15 02:38:46,084 WARN L168 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 59 [2018-06-15 02:38:49,006 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-15 02:38:49,500 WARN L168 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 45 [2018-06-15 02:38:50,068 WARN L168 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 73 [2018-06-15 02:38:50,588 WARN L168 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 87 Received shutdown request... [2018-06-15 02:38:50,678 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.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) [2018-06-15 02:38:50,683 INFO L168 Benchmark]: Toolchain (without parser) took 54738.53 ms. Allocated memory was 301.5 MB in the beginning and 1.3 GB in the end (delta: 998.2 MB). Free memory was 259.8 MB in the beginning and 698.1 MB in the end (delta: -438.3 MB). Peak memory consumption was 559.9 MB. Max. memory is 3.6 GB. [2018-06-15 02:38:50,684 INFO L168 Benchmark]: SmtParser took 0.19 ms. Allocated memory is still 301.5 MB. Free memory is still 267.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-15 02:38:50,685 INFO L168 Benchmark]: TreeAutomizer took 54731.83 ms. Allocated memory was 301.5 MB in the beginning and 1.3 GB in the end (delta: 998.2 MB). Free memory was 259.8 MB in the beginning and 698.1 MB in the end (delta: -438.3 MB). Peak memory consumption was 559.9 MB. Max. memory is 3.6 GB. [2018-06-15 02:38:50,689 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.19 ms. Allocated memory is still 301.5 MB. Free memory is still 267.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * TreeAutomizer took 54731.83 ms. Allocated memory was 301.5 MB in the beginning and 1.3 GB in the end (delta: 998.2 MB). Free memory was 259.8 MB in the beginning and 698.1 MB in the end (delta: -438.3 MB). Peak memory consumption was 559.9 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/eventclock3.smt2_TreeAutomizerHopcroftMinimization.epf_TreeAutomizer.xml/Csv-Benchmark-0-2018-06-15_02-38-50-702.csv Completed graceful shutdown