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/approximate_agreement/approx.6.b.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-21 08:52:59,162 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-21 08:52:59,164 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-21 08:52:59,176 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-06-21 08:52:59,187 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-21 08:52:59,188 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-21 08:52:59,189 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-21 08:52:59,190 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-21 08:52:59,193 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-21 08:52:59,195 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-21 08:52:59,204 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-21 08:52:59,205 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-21 08:52:59,206 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-21 08:52:59,207 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-21 08:52:59,212 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-21 08:52:59,213 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-21 08:52:59,213 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-21 08:52:59,213 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-21 08:52:59,217 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-21 08:52:59,217 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-21 08:52:59,218 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-21 08:52:59,219 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-21 08:52:59,219 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-21 08:52:59,220 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-21 08:52:59,223 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-21 08:52:59,223 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-21 08:52:59,226 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-21 08:52:59,226 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-21 08:52:59,227 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf [2018-06-21 08:52:59,236 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-21 08:52:59,236 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-21 08:52:59,238 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-21 08:52:59,238 INFO L133 SettingsManager]: * Type of minimization to use=HOPCROFT [2018-06-21 08:52:59,238 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-21 08:52:59,240 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-21 08:52:59,240 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-21 08:52:59,293 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-21 08:52:59,309 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-21 08:52:59,315 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-21 08:52:59,317 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-21 08:52:59,317 INFO L276 PluginConnector]: SmtParser initialized [2018-06-21 08:52:59,318 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/sally-chc-benchmarks/approximate_agreement/approx.6.b.smt2 [2018-06-21 08:52:59,319 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-21 08:52:59,394 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/sally-chc-benchmarks/approximate_agreement/approx.6.b.smt2 unknown [2018-06-21 08:52:59,855 INFO L238 SmtParser]: Succesfully executed SMT file /storage/chc-comp/sally-chc-benchmarks/approximate_agreement/approx.6.b.smt2 [2018-06-21 08:52:59,860 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-06-21 08:52:59,867 INFO L131 ToolchainWalker]: Walking toolchain with 1 elements. [2018-06-21 08:52:59,868 INFO L113 PluginConnector]: ------------------------TreeAutomizer---------------------------- [2018-06-21 08:52:59,868 INFO L271 PluginConnector]: Initializing TreeAutomizer... [2018-06-21 08:52:59,870 INFO L276 PluginConnector]: TreeAutomizer initialized [2018-06-21 08:52:59,871 INFO L185 PluginConnector]: Executing the observer TreeAutomizerObserver from plugin TreeAutomizer for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 21.06 08:52:59" (1/1) ... [2018-06-21 08:53:01,710 WARN L168 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2018-06-21 08:53:05,397 WARN L168 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 70 Received shutdown request... [2018-06-21 08:54:04,788 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$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-06-21 08:54:04,793 INFO L168 Benchmark]: Toolchain (without parser) took 64931.64 ms. Allocated memory was 308.8 MB in the beginning and 1.9 GB in the end (delta: 1.5 GB). Free memory was 248.2 MB in the beginning and 1.2 GB in the end (delta: -922.6 MB). Peak memory consumption was 1.7 GB. Max. memory is 3.6 GB. [2018-06-21 08:54:04,794 INFO L168 Benchmark]: SmtParser took 0.15 ms. Allocated memory is still 308.8 MB. Free memory is still 276.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-21 08:54:04,794 INFO L168 Benchmark]: TreeAutomizer took 64924.34 ms. Allocated memory was 308.8 MB in the beginning and 1.9 GB in the end (delta: 1.5 GB). Free memory was 247.2 MB in the beginning and 1.2 GB in the end (delta: -923.6 MB). Peak memory consumption was 1.7 GB. Max. memory is 3.6 GB. [2018-06-21 08:54:04,796 INFO L344 ainManager$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 308.8 MB. Free memory is still 276.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * TreeAutomizer took 64924.34 ms. Allocated memory was 308.8 MB in the beginning and 1.9 GB in the end (delta: 1.5 GB). Free memory was 247.2 MB in the beginning and 1.2 GB in the end (delta: -923.6 MB). Peak memory consumption was 1.7 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/approx.6.b.smt2_TreeAutomizerHopcroftMinimization.epf_TreeAutomizer.xml/Csv-Benchmark-0-2018-06-21_08-54-04-810.csv Completed graceful shutdown