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/hopv/lia/mochi/kmp.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 17:26:46,370 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 17:26:46,372 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 17:26:46,386 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 17:26:46,387 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 17:26:46,388 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 17:26:46,389 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 17:26:46,391 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 17:26:46,393 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 17:26:46,393 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 17:26:46,395 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 17:26:46,395 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 17:26:46,396 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 17:26:46,397 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 17:26:46,397 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 17:26:46,400 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 17:26:46,401 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 17:26:46,411 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 17:26:46,412 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 17:26:46,413 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 17:26:46,414 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 17:26:46,420 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 17:26:46,421 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 17:26:46,421 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 17:26:46,422 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 17:26:46,422 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 17:26:46,425 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 17:26:46,425 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 17:26:46,426 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 17:26:46,426 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 17:26:46,427 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 17:26:46,428 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 17:26:46,431 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 17:26:46,432 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 17:26:46,432 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 17:26:46,433 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf [2018-06-18 17:26:46,444 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 17:26:46,445 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 17:26:46,447 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-18 17:26:46,447 INFO L133 SettingsManager]: * Type of minimization to use=HOPCROFT [2018-06-18 17:26:46,447 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-18 17:26:46,448 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 17:26:46,448 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 17:26:46,497 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-18 17:26:46,513 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 17:26:46,517 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-18 17:26:46,518 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-18 17:26:46,519 INFO L276 PluginConnector]: SmtParser initialized [2018-06-18 17:26:46,519 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/hopv/lia/mochi/kmp.smt2 [2018-06-18 17:26:46,521 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-18 17:26:46,604 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/hopv/lia/mochi/kmp.smt2 Unexpected Exception: java.lang.NullPointerException [2018-06-18 17:26:46,683 INFO L243 SmtParser]: Failed while executing SMT file /storage/chc-comp/hopv/lia/mochi/kmp.smt2 [2018-06-18 17:26:46,685 INFO L244 SmtParser]: SMTLIBException java.lang.NullPointerException (error "java.lang.NullPointerException") Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown