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/vmt-chc-benchmarks/ctigar/fig1a.c.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 19:20:46,135 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 19:20:46,137 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 19:20:46,149 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 19:20:46,150 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 19:20:46,151 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 19:20:46,152 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 19:20:46,154 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 19:20:46,156 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 19:20:46,158 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 19:20:46,159 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 19:20:46,159 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 19:20:46,160 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 19:20:46,161 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 19:20:46,162 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 19:20:46,163 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 19:20:46,165 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 19:20:46,168 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 19:20:46,170 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 19:20:46,171 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 19:20:46,173 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 19:20:46,176 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 19:20:46,177 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 19:20:46,177 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 19:20:46,178 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 19:20:46,180 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 19:20:46,181 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 19:20:46,182 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 19:20:46,183 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 19:20:46,184 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 19:20:46,184 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 19:20:46,185 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 19:20:46,186 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 19:20:46,187 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 19:20:46,188 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 19:20:46,188 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf [2018-06-18 19:20:46,196 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 19:20:46,196 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 19:20:46,199 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-18 19:20:46,199 INFO L133 SettingsManager]: * Type of minimization to use=HOPCROFT [2018-06-18 19:20:46,199 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-18 19:20:46,200 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 19:20:46,201 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 19:20:46,259 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-18 19:20:46,283 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 19:20:46,291 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-18 19:20:46,293 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-18 19:20:46,294 INFO L276 PluginConnector]: SmtParser initialized [2018-06-18 19:20:46,295 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/ctigar/fig1a.c.smt2 [2018-06-18 19:20:46,301 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-18 19:20:46,404 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/ctigar/fig1a.c.smt2 unknown [2018-06-18 19:20:46,647 INFO L238 SmtParser]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/ctigar/fig1a.c.smt2 [2018-06-18 19:20:46,658 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-06-18 19:20:46,666 INFO L131 ToolchainWalker]: Walking toolchain with 1 elements. [2018-06-18 19:20:46,666 INFO L113 PluginConnector]: ------------------------TreeAutomizer---------------------------- [2018-06-18 19:20:46,667 INFO L271 PluginConnector]: Initializing TreeAutomizer... [2018-06-18 19:20:46,670 INFO L276 PluginConnector]: TreeAutomizer initialized [2018-06-18 19:20:46,671 INFO L185 PluginConnector]: Executing the observer TreeAutomizerObserver from plugin TreeAutomizer for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 07:20:46" (1/1) ... [2018-06-18 19:20:46,740 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 19:20:46,985 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 19:20:47,225 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 19:20:47,633 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 19:20:48,214 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 19:20:48,812 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 19:20:49,779 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 19:20:50,926 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 19:20:52,504 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 19:20:54,303 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 19:20:56,316 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 19:20:58,320 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 19:21:00,947 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 19:21:03,394 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 19:21:07,142 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 19:21:10,814 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 19:21:15,459 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 19:21:20,172 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 19:21:26,419 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 19:21:33,470 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. Received shutdown request... [2018-06-18 19:21:42,377 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 19:21:42,378 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:1277) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getProof(SMTInterpol.java:794) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:917) 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$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-06-18 19:21:42,388 INFO L168 Benchmark]: Toolchain (without parser) took 55729.87 ms. Allocated memory was 301.5 MB in the beginning and 1.1 GB in the end (delta: 778.0 MB). Free memory was 259.8 MB in the beginning and 664.4 MB in the end (delta: -404.6 MB). Peak memory consumption was 843.4 MB. Max. memory is 3.6 GB. [2018-06-18 19:21:42,391 INFO L168 Benchmark]: SmtParser took 0.25 ms. Allocated memory is still 301.5 MB. Free memory is still 268.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 19:21:42,394 INFO L168 Benchmark]: TreeAutomizer took 55716.79 ms. Allocated memory was 301.5 MB in the beginning and 1.1 GB in the end (delta: 778.0 MB). Free memory was 259.8 MB in the beginning and 664.4 MB in the end (delta: -404.6 MB). Peak memory consumption was 843.4 MB. Max. memory is 3.6 GB. [2018-06-18 19:21:42,396 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.25 ms. Allocated memory is still 301.5 MB. Free memory is still 268.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * TreeAutomizer took 55716.79 ms. Allocated memory was 301.5 MB in the beginning and 1.1 GB in the end (delta: 778.0 MB). Free memory was 259.8 MB in the beginning and 664.4 MB in the end (delta: -404.6 MB). Peak memory consumption was 843.4 MB. 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:1277) 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/fig1a.c.smt2_TreeAutomizerHopcroftMinimization.epf_TreeAutomizer.xml/Csv-Benchmark-0-2018-06-18_19-21-42-408.csv Completed graceful shutdown