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/loops/ChcSmtPrinter_invert_string_false-unreach-call_true-termination.i.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13656f4 [2019-03-17 17:04:40,899 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-03-17 17:04:40,901 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-03-17 17:04:40,918 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-03-17 17:04:40,918 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-03-17 17:04:40,919 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-03-17 17:04:40,921 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-03-17 17:04:40,923 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-03-17 17:04:40,926 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-03-17 17:04:40,927 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-03-17 17:04:40,928 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-03-17 17:04:40,929 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-03-17 17:04:40,930 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-03-17 17:04:40,932 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-03-17 17:04:40,933 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-03-17 17:04:40,939 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-03-17 17:04:40,941 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-03-17 17:04:40,943 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-03-17 17:04:40,945 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-03-17 17:04:40,948 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-03-17 17:04:40,950 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-03-17 17:04:40,951 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-03-17 17:04:40,954 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-03-17 17:04:40,959 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-03-17 17:04:40,961 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-03-17 17:04:40,963 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-03-17 17:04:40,964 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-03-17 17:04:40,965 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-03-17 17:04:40,965 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-03-17 17:04:40,966 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-03-17 17:04:40,966 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-03-17 17:04:40,966 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-03-17 17:04:40,967 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-03-17 17:04:40,968 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-03-17 17:04:40,968 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 17:04:40,982 INFO L110 SettingsManager]: Loading preferences was successful [2019-03-17 17:04:40,983 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-03-17 17:04:40,983 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-03-17 17:04:40,983 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2019-03-17 17:04:40,984 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-03-17 17:04:40,984 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-03-17 17:04:40,985 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2019-03-17 17:04:40,985 INFO L133 SettingsManager]: * Use SBE=true [2019-03-17 17:04:40,985 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2019-03-17 17:04:40,985 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2019-03-17 17:04:40,986 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-03-17 17:04:40,986 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-03-17 17:04:40,986 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-03-17 17:04:40,986 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-03-17 17:04:40,986 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-03-17 17:04:40,986 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-03-17 17:04:40,987 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-03-17 17:04:40,987 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-03-17 17:04:40,987 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-03-17 17:04:40,987 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-03-17 17:04:40,987 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-03-17 17:04:40,987 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2019-03-17 17:04:40,990 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2019-03-17 17:04:40,990 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2019-03-17 17:04:41,018 INFO ]: Repository-Root is: /tmp [2019-03-17 17:04:41,033 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-03-17 17:04:41,036 INFO ]: [Toolchain 1]: Toolchain selected. [2019-03-17 17:04:41,038 INFO ]: Initializing SmtParser... [2019-03-17 17:04:41,038 INFO ]: SmtParser initialized [2019-03-17 17:04:41,039 INFO ]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loops/ChcSmtPrinter_invert_string_false-unreach-call_true-termination.i.smt2 [2019-03-17 17:04:41,106 INFO ]: Parsing .smt2 file as a set of Horn Clauses Unexpected Exception: java.lang.NullPointerException [2019-03-17 17:04:41,202 INFO ]: Failed while executing SMT file /storage/repos/svcomp/c/loops/ChcSmtPrinter_invert_string_false-unreach-call_true-termination.i.smt2 [2019-03-17 17:04:41,202 INFO ]: SMTLIBException java.lang.NullPointerException (error "java.lang.NullPointerException") Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown