java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC.xml -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf -i /storage/repos/svcomp/c/list-simple/ChcSmtPrinter_dll2c_update_all_reverse_true-unreach-call_true-valid-memsafety.i.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13656f4 [2019-03-17 17:03:02,695 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-03-17 17:03:02,697 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-03-17 17:03:02,709 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-03-17 17:03:02,709 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-03-17 17:03:02,710 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-03-17 17:03:02,712 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-03-17 17:03:02,714 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-03-17 17:03:02,716 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-03-17 17:03:02,717 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-03-17 17:03:02,718 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-03-17 17:03:02,718 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-03-17 17:03:02,719 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-03-17 17:03:02,720 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-03-17 17:03:02,721 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-03-17 17:03:02,722 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-03-17 17:03:02,723 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-03-17 17:03:02,725 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-03-17 17:03:02,728 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-03-17 17:03:02,730 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-03-17 17:03:02,731 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-03-17 17:03:02,732 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-03-17 17:03:02,735 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-03-17 17:03:02,735 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-03-17 17:03:02,736 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-03-17 17:03:02,737 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-03-17 17:03:02,737 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-03-17 17:03:02,738 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-03-17 17:03:02,738 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-03-17 17:03:02,739 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-03-17 17:03:02,740 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-03-17 17:03:02,741 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-03-17 17:03:02,742 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-03-17 17:03:02,743 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-03-17 17:03:02,744 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-03-17 17:03:02,744 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-03-17 17:03:02,744 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-03-17 17:03:02,745 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-03-17 17:03:02,746 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-03-17 17:03:02,747 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf [2019-03-17 17:03:02,762 INFO L110 SettingsManager]: Loading preferences was successful [2019-03-17 17:03:02,763 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-03-17 17:03:02,763 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-03-17 17:03:02,763 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2019-03-17 17:03:02,764 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-03-17 17:03:02,764 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-03-17 17:03:02,764 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2019-03-17 17:03:02,765 INFO L133 SettingsManager]: * Use SBE=true [2019-03-17 17:03:02,765 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2019-03-17 17:03:02,765 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2019-03-17 17:03:02,765 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-03-17 17:03:02,766 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-03-17 17:03:02,766 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-03-17 17:03:02,766 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-03-17 17:03:02,766 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-03-17 17:03:02,766 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-03-17 17:03:02,767 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-03-17 17:03:02,767 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-03-17 17:03:02,767 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-03-17 17:03:02,767 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-03-17 17:03:02,767 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-03-17 17:03:02,767 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2019-03-17 17:03:02,770 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2019-03-17 17:03:02,770 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2019-03-17 17:03:02,810 INFO ]: Repository-Root is: /tmp [2019-03-17 17:03:02,821 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-03-17 17:03:02,824 INFO ]: [Toolchain 1]: Toolchain selected. [2019-03-17 17:03:02,826 INFO ]: Initializing SmtParser... [2019-03-17 17:03:02,826 INFO ]: SmtParser initialized [2019-03-17 17:03:02,827 INFO ]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/list-simple/ChcSmtPrinter_dll2c_update_all_reverse_true-unreach-call_true-valid-memsafety.i.smt2 [2019-03-17 17:03:02,905 INFO ]: Parsing .smt2 file as a set of Horn Clauses Unexpected Exception: java.lang.NullPointerException [2019-03-17 17:03:03,066 INFO ]: Failed while executing SMT file /storage/repos/svcomp/c/list-simple/ChcSmtPrinter_dll2c_update_all_reverse_true-unreach-call_true-valid-memsafety.i.smt2 [2019-03-17 17:03:03,067 INFO ]: SMTLIBException java.lang.NullPointerException (error "java.lang.NullPointerException") Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown