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/termination/CE-1CFA06.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 17:29:12,075 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 17:29:12,077 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 17:29:12,089 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 17:29:12,089 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 17:29:12,090 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 17:29:12,091 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 17:29:12,093 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 17:29:12,095 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 17:29:12,096 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 17:29:12,096 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 17:29:12,097 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 17:29:12,098 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 17:29:12,099 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 17:29:12,099 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 17:29:12,100 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 17:29:12,102 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 17:29:12,104 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 17:29:12,106 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 17:29:12,107 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 17:29:12,108 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 17:29:12,111 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 17:29:12,111 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 17:29:12,111 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 17:29:12,112 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 17:29:12,113 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 17:29:12,114 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 17:29:12,115 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 17:29:12,116 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 17:29:12,117 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 17:29:12,117 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 17:29:12,118 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 17:29:12,118 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 17:29:12,119 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 17:29:12,120 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 17:29:12,120 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf [2018-06-18 17:29:12,128 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 17:29:12,128 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 17:29:12,131 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-18 17:29:12,131 INFO L133 SettingsManager]: * Type of minimization to use=HOPCROFT [2018-06-18 17:29:12,131 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-18 17:29:12,132 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 17:29:12,132 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 17:29:12,190 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-18 17:29:12,208 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 17:29:12,214 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-18 17:29:12,215 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-18 17:29:12,216 INFO L276 PluginConnector]: SmtParser initialized [2018-06-18 17:29:12,216 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/hopv/lia/termination/CE-1CFA06.smt2 [2018-06-18 17:29:12,218 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-18 17:29:12,312 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/hopv/lia/termination/CE-1CFA06.smt2 Unexpected Exception: java.lang.NullPointerException [2018-06-18 17:29:12,406 INFO L243 SmtParser]: Failed while executing SMT file /storage/chc-comp/hopv/lia/termination/CE-1CFA06.smt2 [2018-06-18 17:29:12,406 INFO L244 SmtParser]: SMTLIBException java.lang.NullPointerException (error "java.lang.NullPointerException") Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown