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-ext3-properties/ChcSmtPrinter_sll_of_sll_nondet_append_false-unreach-call_false-valid-memcleanup.i.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13656f4 [2019-03-17 17:02:47,818 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-03-17 17:02:47,826 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-03-17 17:02:47,847 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-03-17 17:02:47,847 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-03-17 17:02:47,852 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-03-17 17:02:47,853 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-03-17 17:02:47,856 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-03-17 17:02:47,858 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-03-17 17:02:47,861 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-03-17 17:02:47,863 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-03-17 17:02:47,864 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-03-17 17:02:47,865 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-03-17 17:02:47,868 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-03-17 17:02:47,870 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-03-17 17:02:47,870 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-03-17 17:02:47,880 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-03-17 17:02:47,881 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-03-17 17:02:47,886 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-03-17 17:02:47,887 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-03-17 17:02:47,890 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-03-17 17:02:47,892 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-03-17 17:02:47,897 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-03-17 17:02:47,897 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-03-17 17:02:47,897 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-03-17 17:02:47,899 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-03-17 17:02:47,899 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-03-17 17:02:47,900 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-03-17 17:02:47,900 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-03-17 17:02:47,903 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-03-17 17:02:47,904 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-03-17 17:02:47,905 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-03-17 17:02:47,907 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-03-17 17:02:47,908 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-03-17 17:02:47,908 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-03-17 17:02:47,909 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-03-17 17:02:47,909 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-03-17 17:02:47,910 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-03-17 17:02:47,912 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-03-17 17:02:47,912 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 17:02:47,927 INFO L110 SettingsManager]: Loading preferences was successful [2019-03-17 17:02:47,927 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-03-17 17:02:47,927 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-03-17 17:02:47,927 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2019-03-17 17:02:47,928 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-03-17 17:02:47,929 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-03-17 17:02:47,929 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2019-03-17 17:02:47,929 INFO L133 SettingsManager]: * Use SBE=true [2019-03-17 17:02:47,929 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2019-03-17 17:02:47,930 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2019-03-17 17:02:47,930 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-03-17 17:02:47,930 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-03-17 17:02:47,930 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-03-17 17:02:47,930 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-03-17 17:02:47,931 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-03-17 17:02:47,931 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-03-17 17:02:47,931 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-03-17 17:02:47,931 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-03-17 17:02:47,931 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-03-17 17:02:47,931 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-03-17 17:02:47,932 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-03-17 17:02:47,932 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2019-03-17 17:02:47,934 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2019-03-17 17:02:47,934 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2019-03-17 17:02:47,962 INFO ]: Repository-Root is: /tmp [2019-03-17 17:02:47,975 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-03-17 17:02:47,978 INFO ]: [Toolchain 1]: Toolchain selected. [2019-03-17 17:02:47,979 INFO ]: Initializing SmtParser... [2019-03-17 17:02:47,980 INFO ]: SmtParser initialized [2019-03-17 17:02:47,980 INFO ]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/list-ext3-properties/ChcSmtPrinter_sll_of_sll_nondet_append_false-unreach-call_false-valid-memcleanup.i.smt2 [2019-03-17 17:02:48,051 INFO ]: Parsing .smt2 file as a set of Horn Clauses Unexpected Exception: java.lang.NullPointerException [2019-03-17 17:02:48,188 INFO ]: Failed while executing SMT file /storage/repos/svcomp/c/list-ext3-properties/ChcSmtPrinter_sll_of_sll_nondet_append_false-unreach-call_false-valid-memcleanup.i.smt2 [2019-03-17 17:02:48,188 INFO ]: SMTLIBException java.lang.NullPointerException (error "java.lang.NullPointerException") Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown