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/TreeAutomizerNaiveMinimization.epf -i /storage/chc-comp/sally-chc-benchmarks/lfht/lfht_2_mini_cleaned.upper_strengthening_1.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-21 18:15:44,728 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-21 18:15:44,731 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-21 18:15:44,744 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-21 18:15:44,744 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-21 18:15:44,745 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-21 18:15:44,746 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-21 18:15:44,749 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-21 18:15:44,751 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-21 18:15:44,751 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-21 18:15:44,753 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-21 18:15:44,754 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-21 18:15:44,754 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-21 18:15:44,755 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-21 18:15:44,756 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-21 18:15:44,758 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-21 18:15:44,760 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-21 18:15:44,769 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-21 18:15:44,771 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-21 18:15:44,772 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-21 18:15:44,773 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-21 18:15:44,778 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-21 18:15:44,779 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-21 18:15:44,779 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-21 18:15:44,780 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-21 18:15:44,780 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-21 18:15:44,781 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-21 18:15:44,782 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-21 18:15:44,783 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-21 18:15:44,784 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-21 18:15:44,784 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-21 18:15:44,785 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-21 18:15:44,785 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-21 18:15:44,786 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-21 18:15:44,790 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-21 18:15:44,791 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/TreeAutomizer/TreeAutomizerNaiveMinimization.epf [2018-06-21 18:15:44,801 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-21 18:15:44,801 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-21 18:15:44,805 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-21 18:15:44,806 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-21 18:15:44,806 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-21 18:15:44,807 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-21 18:15:44,847 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-21 18:15:44,863 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-21 18:15:44,869 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-21 18:15:44,870 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-21 18:15:44,870 INFO L276 PluginConnector]: SmtParser initialized [2018-06-21 18:15:44,871 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/sally-chc-benchmarks/lfht/lfht_2_mini_cleaned.upper_strengthening_1.smt2 [2018-06-21 18:15:44,872 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-21 18:15:44,949 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/sally-chc-benchmarks/lfht/lfht_2_mini_cleaned.upper_strengthening_1.smt2 unknown [2018-06-21 18:15:45,228 INFO L238 SmtParser]: Succesfully executed SMT file /storage/chc-comp/sally-chc-benchmarks/lfht/lfht_2_mini_cleaned.upper_strengthening_1.smt2 [2018-06-21 18:15:45,234 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-06-21 18:15:45,241 INFO L131 ToolchainWalker]: Walking toolchain with 1 elements. [2018-06-21 18:15:45,242 INFO L113 PluginConnector]: ------------------------TreeAutomizer---------------------------- [2018-06-21 18:15:45,242 INFO L271 PluginConnector]: Initializing TreeAutomizer... [2018-06-21 18:15:45,244 INFO L276 PluginConnector]: TreeAutomizer initialized [2018-06-21 18:15:45,246 INFO L185 PluginConnector]: Executing the observer TreeAutomizerObserver from plugin TreeAutomizer for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 21.06 06:15:45" (1/1) ... [2018-06-21 18:15:48,257 WARN L168 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 35 [2018-06-21 18:15:50,165 WARN L168 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 55 [2018-06-21 18:15:50,455 WARN L168 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 45 [2018-06-21 18:15:50,622 WARN L168 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 29 [2018-06-21 18:15:52,854 WARN L168 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 27 [2018-06-21 18:15:53,322 WARN L168 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 49 [2018-06-21 18:15:53,593 WARN L168 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 40 [2018-06-21 18:15:57,310 WARN L168 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 48 [2018-06-21 18:15:58,745 WARN L168 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 470 DAG size of output: 76 [2018-06-21 18:16:00,578 WARN L168 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 614 DAG size of output: 95 [2018-06-21 18:16:01,264 WARN L168 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 456 DAG size of output: 43 [2018-06-21 18:16:01,620 WARN L168 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 37 [2018-06-21 18:16:04,545 WARN L168 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 73 [2018-06-21 18:16:04,999 WARN L168 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 54 [2018-06-21 18:16:05,469 WARN L168 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 48 [2018-06-21 18:16:05,751 WARN L168 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 38 [2018-06-21 18:16:08,239 WARN L168 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 44 [2018-06-21 18:16:08,576 WARN L168 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 32 [2018-06-21 18:16:08,771 WARN L168 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 16 [2018-06-21 18:16:08,964 WARN L168 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 43 [2018-06-21 18:16:11,960 WARN L168 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 76 [2018-06-21 18:16:12,764 WARN L168 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 46 [2018-06-21 18:16:13,740 WARN L168 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 59 [2018-06-21 18:16:13,944 WARN L168 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 32 [2018-06-21 18:16:15,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-06-21 18:16:15,936 WARN L168 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 30 [2018-06-21 18:16:16,681 WARN L168 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 68 [2018-06-21 18:16:17,242 WARN L168 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 47 [2018-06-21 18:16:17,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-06-21 18:16:17,884 WARN L168 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 31 [2018-06-21 18:16:20,244 WARN L168 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 63 [2018-06-21 18:16:21,121 WARN L168 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 66 [2018-06-21 18:16:22,050 WARN L168 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 74 [2018-06-21 18:16:22,751 WARN L168 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 48 [2018-06-21 18:16:22,948 WARN L168 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 32 [2018-06-21 18:16:25,270 WARN L168 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 99 [2018-06-21 18:16:25,562 WARN L168 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 53 [2018-06-21 18:16:25,769 WARN L168 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 43 [2018-06-21 18:16:29,557 WARN L168 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 29 [2018-06-21 18:16:31,460 WARN L168 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 615 DAG size of output: 61 [2018-06-21 18:16:32,616 WARN L168 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 53 [2018-06-21 18:16:33,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-06-21 18:16:34,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-06-21 18:16:34,494 WARN L168 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 674 DAG size of output: 53 [2018-06-21 18:16:35,650 WARN L168 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 47 [2018-06-21 18:16:37,760 WARN L168 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 806 DAG size of output: 38 Received shutdown request... [2018-06-21 18:16:40,795 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Logical context not inconsistent! at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.retrieveProof(SMTInterpol.java:1278) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getProof(SMTInterpol.java:795) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:918) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.TreeAutomizerCEGAR.retrieveInterpolantsMap(TreeAutomizerCEGAR.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.TreeAutomizerCEGAR.iterate(TreeAutomizerCEGAR.java:201) 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$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-06-21 18:16:40,800 INFO L168 Benchmark]: Toolchain (without parser) took 55565.12 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 261.6 MB in the beginning and 1.0 GB in the end (delta: -770.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-21 18:16:40,801 INFO L168 Benchmark]: SmtParser took 0.15 ms. Allocated memory is still 309.3 MB. Free memory is still 275.6 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-21 18:16:40,801 INFO L168 Benchmark]: TreeAutomizer took 55557.67 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 261.6 MB in the beginning and 1.0 GB in the end (delta: -770.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-21 18:16:40,806 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.15 ms. Allocated memory is still 309.3 MB. Free memory is still 275.6 MB. There was no memory consumed. Max. memory is 3.6 GB. * TreeAutomizer took 55557.67 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 261.6 MB in the beginning and 1.0 GB in the end (delta: -770.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer: - ExceptionOrErrorResult: SMTLIBException: Logical context not inconsistent! de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer: SMTLIBException: Logical context not inconsistent!: de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.retrieveProof(SMTInterpol.java:1278) 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/lfht_2_mini_cleaned.upper_strengthening_1.smt2_TreeAutomizerNaiveMinimization.epf_TreeAutomizer.xml/Csv-Benchmark-0-2018-06-21_18-16-40-817.csv Completed graceful shutdown