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/array-tiling/ChcSmtPrinter_poly1_true-unreach-call.i.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13656f4 [2019-03-17 16:49:12,719 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-03-17 16:49:12,721 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-03-17 16:49:12,735 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-03-17 16:49:12,748 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-03-17 16:49:12,749 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-03-17 16:49:12,750 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-03-17 16:49:12,752 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-03-17 16:49:12,753 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-03-17 16:49:12,754 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-03-17 16:49:12,756 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-03-17 16:49:12,760 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-03-17 16:49:12,767 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-03-17 16:49:12,768 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-03-17 16:49:12,770 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-03-17 16:49:12,775 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-03-17 16:49:12,784 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-03-17 16:49:12,785 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-03-17 16:49:12,786 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-03-17 16:49:12,786 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 16:49:12,801 INFO L110 SettingsManager]: Loading preferences was successful [2019-03-17 16:49:12,801 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-03-17 16:49:12,801 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-03-17 16:49:12,802 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2019-03-17 16:49:12,803 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-03-17 16:49:12,803 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-03-17 16:49:12,803 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2019-03-17 16:49:12,803 INFO L133 SettingsManager]: * Use SBE=true [2019-03-17 16:49:12,804 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2019-03-17 16:49:12,804 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2019-03-17 16:49:12,804 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-03-17 16:49:12,804 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-03-17 16:49:12,804 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-03-17 16:49:12,805 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-03-17 16:49:12,805 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-03-17 16:49:12,805 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-03-17 16:49:12,805 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-03-17 16:49:12,806 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-03-17 16:49:12,806 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-03-17 16:49:12,806 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-03-17 16:49:12,806 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-03-17 16:49:12,806 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2019-03-17 16:49:12,811 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2019-03-17 16:49:12,811 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2019-03-17 16:49:12,855 INFO ]: Repository-Root is: /tmp [2019-03-17 16:49:12,870 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-03-17 16:49:12,877 INFO ]: [Toolchain 1]: Toolchain selected. [2019-03-17 16:49:12,879 INFO ]: Initializing SmtParser... [2019-03-17 16:49:12,879 INFO ]: SmtParser initialized [2019-03-17 16:49:12,880 INFO ]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/array-tiling/ChcSmtPrinter_poly1_true-unreach-call.i.smt2 [2019-03-17 16:49:12,953 INFO ]: Parsing .smt2 file as a set of Horn Clauses Unexpected Exception: java.lang.NullPointerException [2019-03-17 16:49:13,048 INFO ]: Failed while executing SMT file /storage/repos/svcomp/c/array-tiling/ChcSmtPrinter_poly1_true-unreach-call.i.smt2 [2019-03-17 16:49:13,049 INFO ]: SMTLIBException java.lang.NullPointerException (error "java.lang.NullPointerException") Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown