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/loop-new/ChcSmtPrinter_count_by_1_variant_true-unreach-call_true-termination.i.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13656f4 [2019-03-17 17:04:19,168 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-03-17 17:04:19,170 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-03-17 17:04:19,181 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-03-17 17:04:19,181 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-03-17 17:04:19,183 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-03-17 17:04:19,184 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-03-17 17:04:19,187 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-03-17 17:04:19,190 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-03-17 17:04:19,191 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-03-17 17:04:19,193 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-03-17 17:04:19,194 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-03-17 17:04:19,195 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-03-17 17:04:19,196 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-03-17 17:04:19,203 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-03-17 17:04:19,206 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-03-17 17:04:19,207 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-03-17 17:04:19,211 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-03-17 17:04:19,213 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-03-17 17:04:19,217 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-03-17 17:04:19,218 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-03-17 17:04:19,221 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-03-17 17:04:19,224 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-03-17 17:04:19,225 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-03-17 17:04:19,225 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-03-17 17:04:19,226 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-03-17 17:04:19,226 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-03-17 17:04:19,228 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-03-17 17:04:19,229 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-03-17 17:04:19,230 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-03-17 17:04:19,230 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-03-17 17:04:19,231 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-03-17 17:04:19,233 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-03-17 17:04:19,233 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-03-17 17:04:19,234 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-03-17 17:04:19,234 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-03-17 17:04:19,235 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-03-17 17:04:19,236 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-03-17 17:04:19,236 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-03-17 17:04:19,236 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 17:04:19,262 INFO L110 SettingsManager]: Loading preferences was successful [2019-03-17 17:04:19,262 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-03-17 17:04:19,262 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-03-17 17:04:19,263 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2019-03-17 17:04:19,263 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-03-17 17:04:19,264 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-03-17 17:04:19,264 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2019-03-17 17:04:19,265 INFO L133 SettingsManager]: * Use SBE=true [2019-03-17 17:04:19,265 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2019-03-17 17:04:19,265 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2019-03-17 17:04:19,265 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-03-17 17:04:19,265 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-03-17 17:04:19,266 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-03-17 17:04:19,266 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-03-17 17:04:19,266 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-03-17 17:04:19,266 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-03-17 17:04:19,266 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-03-17 17:04:19,268 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-03-17 17:04:19,268 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-03-17 17:04:19,268 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-03-17 17:04:19,268 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-03-17 17:04:19,268 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2019-03-17 17:04:19,271 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2019-03-17 17:04:19,272 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2019-03-17 17:04:19,312 INFO ]: Repository-Root is: /tmp [2019-03-17 17:04:19,325 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-03-17 17:04:19,328 INFO ]: [Toolchain 1]: Toolchain selected. [2019-03-17 17:04:19,331 INFO ]: Initializing SmtParser... [2019-03-17 17:04:19,331 INFO ]: SmtParser initialized [2019-03-17 17:04:19,332 INFO ]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loop-new/ChcSmtPrinter_count_by_1_variant_true-unreach-call_true-termination.i.smt2 [2019-03-17 17:04:19,408 INFO ]: Parsing .smt2 file as a set of Horn Clauses Unexpected Exception: java.lang.NullPointerException [2019-03-17 17:04:19,496 INFO ]: Failed while executing SMT file /storage/repos/svcomp/c/loop-new/ChcSmtPrinter_count_by_1_variant_true-unreach-call_true-termination.i.smt2 [2019-03-17 17:04:19,496 INFO ]: SMTLIBException java.lang.NullPointerException (error "java.lang.NullPointerException") Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown