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/vmt-chc-benchmarks/conc/fib_bench_safe_v3.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-21 11:23:56,298 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-21 11:23:56,300 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-21 11:23:56,310 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-21 11:23:56,311 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-21 11:23:56,313 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-21 11:23:56,314 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-21 11:23:56,317 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-21 11:23:56,319 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-21 11:23:56,319 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-21 11:23:56,321 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-21 11:23:56,321 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-21 11:23:56,322 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-21 11:23:56,323 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-21 11:23:56,326 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-21 11:23:56,327 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-21 11:23:56,328 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-21 11:23:56,340 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-21 11:23:56,342 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-21 11:23:56,343 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-21 11:23:56,344 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-21 11:23:56,346 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-21 11:23:56,346 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-21 11:23:56,346 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-21 11:23:56,347 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-21 11:23:56,352 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-21 11:23:56,353 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-21 11:23:56,354 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-21 11:23:56,355 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-21 11:23:56,355 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-21 11:23:56,355 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-21 11:23:56,356 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-21 11:23:56,356 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-21 11:23:56,357 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-21 11:23:56,357 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-21 11:23:56,362 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf [2018-06-21 11:23:56,372 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-21 11:23:56,372 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-21 11:23:56,373 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-21 11:23:56,374 INFO L133 SettingsManager]: * Type of minimization to use=HOPCROFT [2018-06-21 11:23:56,374 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-21 11:23:56,375 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-21 11:23:56,375 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-21 11:23:56,413 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-21 11:23:56,426 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-21 11:23:56,430 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-21 11:23:56,431 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-21 11:23:56,431 INFO L276 PluginConnector]: SmtParser initialized [2018-06-21 11:23:56,432 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/conc/fib_bench_safe_v3.smt2 [2018-06-21 11:23:56,433 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-21 11:23:56,521 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/conc/fib_bench_safe_v3.smt2 unknown [2018-06-21 11:23:56,742 INFO L238 SmtParser]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/conc/fib_bench_safe_v3.smt2 [2018-06-21 11:23:56,746 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-06-21 11:23:56,759 INFO L131 ToolchainWalker]: Walking toolchain with 1 elements. [2018-06-21 11:23:56,760 INFO L113 PluginConnector]: ------------------------TreeAutomizer---------------------------- [2018-06-21 11:23:56,760 INFO L271 PluginConnector]: Initializing TreeAutomizer... [2018-06-21 11:23:56,764 INFO L276 PluginConnector]: TreeAutomizer initialized [2018-06-21 11:23:56,765 INFO L185 PluginConnector]: Executing the observer TreeAutomizerObserver from plugin TreeAutomizer for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 21.06 11:23:56" (1/1) ... [2018-06-21 11:24:00,022 WARN L168 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 47 [2018-06-21 11:24:00,284 WARN L168 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 49 [2018-06-21 11:24:02,217 WARN L168 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2018-06-21 11:24:02,432 WARN L168 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 56 [2018-06-21 11:24:02,982 WARN L168 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 65 [2018-06-21 11:24:03,483 WARN L168 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 57 [2018-06-21 11:24:06,960 WARN L168 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 78 [2018-06-21 11:24:07,702 WARN L168 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 63 [2018-06-21 11:24:08,474 WARN L168 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 80 [2018-06-21 11:24:09,100 WARN L168 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 64 [2018-06-21 11:24:09,356 WARN L168 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 47 [2018-06-21 11:24:09,722 WARN L168 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 38 [2018-06-21 11:24:13,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-06-21 11:24:14,250 WARN L168 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 87 [2018-06-21 11:24:15,650 WARN L168 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 396 DAG size of output: 105 [2018-06-21 11:24:16,654 WARN L168 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 89 [2018-06-21 11:24:17,499 WARN L168 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 88 [2018-06-21 11:24:17,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-06-21 11:24:17,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-06-21 11:24:18,350 WARN L168 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 76 [2018-06-21 11:24:18,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-06-21 11:24:22,867 WARN L168 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 84 [2018-06-21 11:24:23,571 WARN L168 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 64 [2018-06-21 11:24:25,064 WARN L168 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 493 DAG size of output: 145 [2018-06-21 11:24:26,766 WARN L168 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 467 DAG size of output: 129 [2018-06-21 11:24:27,456 WARN L168 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 112 [2018-06-21 11:24:27,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-06-21 11:24:27,860 WARN L168 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 73 [2018-06-21 11:24:37,459 WARN L168 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 291 DAG size of output: 6 [2018-06-21 11:24:54,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-06-21 11:24:56,022 WARN L168 SmtUtils]: Spent 17.94 s on a formula simplification. DAG size of input: 970 DAG size of output: 65 Received shutdown request... [2018-06-21 11:24:56,423 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.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 11:24:56,427 INFO L168 Benchmark]: Toolchain (without parser) took 59680.56 ms. Allocated memory was 306.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 266.1 MB in the beginning and 1.0 GB in the end (delta: -769.7 MB). Peak memory consumption was 427.3 MB. Max. memory is 3.6 GB. [2018-06-21 11:24:56,429 INFO L168 Benchmark]: SmtParser took 0.16 ms. Allocated memory is still 306.7 MB. Free memory is still 274.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-21 11:24:56,429 INFO L168 Benchmark]: TreeAutomizer took 59666.51 ms. Allocated memory was 306.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 265.1 MB in the beginning and 1.0 GB in the end (delta: -770.6 MB). Peak memory consumption was 426.3 MB. Max. memory is 3.6 GB. [2018-06-21 11:24:56,433 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 306.7 MB. Free memory is still 274.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * TreeAutomizer took 59666.51 ms. Allocated memory was 306.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 265.1 MB in the beginning and 1.0 GB in the end (delta: -770.6 MB). Peak memory consumption was 426.3 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/fib_bench_safe_v3.smt2_TreeAutomizerHopcroftMinimization.epf_TreeAutomizer.xml/Csv-Benchmark-0-2018-06-21_11-24-56-443.csv Completed graceful shutdown