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/llreve-bench/smt2/faulty__limit2!.smt2' -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 17:35:07,595 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 17:35:07,598 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 17:35:07,611 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 17:35:07,611 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 17:35:07,612 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 17:35:07,616 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 17:35:07,617 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 17:35:07,619 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 17:35:07,619 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 17:35:07,622 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 17:35:07,622 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 17:35:07,623 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 17:35:07,624 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 17:35:07,624 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 17:35:07,626 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 17:35:07,628 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 17:35:07,630 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 17:35:07,638 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 17:35:07,639 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 17:35:07,640 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 17:35:07,642 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 17:35:07,645 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 17:35:07,646 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 17:35:07,647 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 17:35:07,647 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 17:35:07,648 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 17:35:07,648 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 17:35:07,649 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 17:35:07,649 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 17:35:07,652 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 17:35:07,653 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 17:35:07,653 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 17:35:07,654 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 17:35:07,654 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 17:35:07,654 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/TreeAutomizer/TreeAutomizerHopcroftMinimization.epf [2018-06-18 17:35:07,666 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 17:35:07,666 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 17:35:07,668 INFO L131 SettingsManager]: Preferences of TreeAutomizer differ from their defaults: [2018-06-18 17:35:07,668 INFO L133 SettingsManager]: * Type of minimization to use=HOPCROFT [2018-06-18 17:35:07,668 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-06-18 17:35:07,671 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 17:35:07,672 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 17:35:07,716 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-06-18 17:35:07,731 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 17:35:07,735 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-06-18 17:35:07,736 INFO L271 PluginConnector]: Initializing SmtParser... [2018-06-18 17:35:07,736 INFO L276 PluginConnector]: SmtParser initialized [2018-06-18 17:35:07,737 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/chc-comp/llreve-bench/smt2/faulty__limit2!.smt2 [2018-06-18 17:35:07,738 INFO L200 SmtParser]: Parsing .smt2 file as a set of Horn Clauses [2018-06-18 17:35:07,809 INFO L224 SmtParser]: Executing SMT file /storage/chc-comp/llreve-bench/smt2/faulty__limit2!.smt2 Unexpected Exception: java.lang.NullPointerException [2018-06-18 17:35:07,915 INFO L243 SmtParser]: Failed while executing SMT file /storage/chc-comp/llreve-bench/smt2/faulty__limit2!.smt2 [2018-06-18 17:35:07,915 INFO L244 SmtParser]: SMTLIBException java.lang.NullPointerException (error "java.lang.NullPointerException") Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown