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/llreve-bench/smt2/faulty__ackermann!.smt2' -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-21 17:26:37,087 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-21 17:26:37,089 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-21 17:26:37,103 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-06-21 17:26:37,116 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-21 17:26:37,117 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-21 17:26:37,118 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-21 17:26:37,122 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-21 17:26:37,123 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-21 17:26:37,136 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-21 17:26:37,138 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-21 17:26:37,139 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-21 17:26:37,140 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-21 17:26:37,141 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-21 17:26:37,143 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-06-21 17:26:37,162 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/TreeAutomizer/TreeAutomizerNaiveMinimization.epf [2018-06-21 17:26:37,172 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-21 17:26:37,172 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-21 17:26:37,177 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-21 17:26:37,177 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-21 17:26:37,178 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-21 17:26:37,178 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-21 17:26:37,232 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-21 17:26:37,250 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-21 17:26:37,257 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-21 17:26:37,259 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-21 17:26:37,259 INFO L276 PluginConnector]: SmtParser initialized [2018-06-21 17:26:37,260 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/llreve-bench/smt2/faulty__ackermann!.smt2 [2018-06-21 17:26:37,261 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-21 17:26:37,356 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/llreve-bench/smt2/faulty__ackermann!.smt2 unknown de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.parsing.HornClauseParserScript$1@3a5d3892 [2018-06-21 17:26:37,682 INFO L238 SmtParser]: Succesfully executed SMT file /storage/chc-comp/llreve-bench/smt2/faulty__ackermann!.smt2 [2018-06-21 17:26:37,695 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-06-21 17:26:37,702 INFO L131 ToolchainWalker]: Walking toolchain with 1 elements. [2018-06-21 17:26:37,702 INFO L113 PluginConnector]: ------------------------TreeAutomizer---------------------------- [2018-06-21 17:26:37,703 INFO L271 PluginConnector]: Initializing TreeAutomizer... [2018-06-21 17:26:37,705 INFO L276 PluginConnector]: TreeAutomizer initialized [2018-06-21 17:26:37,707 INFO L185 PluginConnector]: Executing the observer TreeAutomizerObserver from plugin TreeAutomizer for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 21.06 05:26:37" (1/1) ... [2018-06-21 17:26:46,951 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: malformed subtree array. at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:842) 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$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-06-21 17:26:46,955 INFO L168 Benchmark]: Toolchain (without parser) took 9259.89 ms. Allocated memory was 305.7 MB in the beginning and 1.2 GB in the end (delta: 902.3 MB). Free memory was 259.0 MB in the beginning and 896.0 MB in the end (delta: -637.0 MB). Peak memory consumption was 619.5 MB. Max. memory is 3.6 GB. [2018-06-21 17:26:46,960 INFO L168 Benchmark]: SmtParser took 0.17 ms. Allocated memory is still 305.7 MB. Free memory is still 272.9 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-21 17:26:46,961 INFO L168 Benchmark]: TreeAutomizer took 9252.04 ms. Allocated memory was 305.7 MB in the beginning and 1.2 GB in the end (delta: 902.3 MB). Free memory was 259.0 MB in the beginning and 896.0 MB in the end (delta: -637.0 MB). Peak memory consumption was 619.5 MB. Max. memory is 3.6 GB. [2018-06-21 17:26:46,964 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.17 ms. Allocated memory is still 305.7 MB. Free memory is still 272.9 MB. There was no memory consumed. Max. memory is 3.6 GB. * TreeAutomizer took 9252.04 ms. Allocated memory was 305.7 MB in the beginning and 1.2 GB in the end (delta: 902.3 MB). Free memory was 259.0 MB in the beginning and 896.0 MB in the end (delta: -637.0 MB). Peak memory consumption was 619.5 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer: - ExceptionOrErrorResult: SMTLIBException: malformed subtree array. de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer: SMTLIBException: malformed subtree array.: de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:842) 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/faulty__ackermann!.smt2_TreeAutomizerNaiveMinimization.epf_TreeAutomizer.xml/Csv-Benchmark-0-2018-06-21_17-26-46-975.csv Received shutdown request...