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/eca-rers2012/ChcSmtPrinter_Problem14_label24_true-unreach-call_false-termination.c.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13656f4 [2019-03-17 16:54:47,301 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-03-17 16:54:47,303 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-03-17 16:54:47,315 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-03-17 16:54:47,315 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-03-17 16:54:47,316 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-03-17 16:54:47,318 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-03-17 16:54:47,320 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-03-17 16:54:47,322 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-03-17 16:54:47,323 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-03-17 16:54:47,324 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-03-17 16:54:47,325 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-03-17 16:54:47,326 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-03-17 16:54:47,327 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-03-17 16:54:47,328 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-03-17 16:54:47,329 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-03-17 16:54:47,330 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-03-17 16:54:47,332 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-03-17 16:54:47,334 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-03-17 16:54:47,336 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-03-17 16:54:47,337 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-03-17 16:54:47,339 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-03-17 16:54:47,342 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-03-17 16:54:47,351 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-03-17 16:54:47,352 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-03-17 16:54:47,353 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-03-17 16:54:47,354 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 16:54:47,374 INFO L110 SettingsManager]: Loading preferences was successful [2019-03-17 16:54:47,375 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-03-17 16:54:47,375 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-03-17 16:54:47,375 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2019-03-17 16:54:47,376 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-03-17 16:54:47,377 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-03-17 16:54:47,378 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2019-03-17 16:54:47,378 INFO L133 SettingsManager]: * Use SBE=true [2019-03-17 16:54:47,378 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2019-03-17 16:54:47,379 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2019-03-17 16:54:47,379 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-03-17 16:54:47,379 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-03-17 16:54:47,379 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-03-17 16:54:47,379 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-03-17 16:54:47,380 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-03-17 16:54:47,380 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-03-17 16:54:47,380 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-03-17 16:54:47,381 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-03-17 16:54:47,381 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-03-17 16:54:47,381 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-03-17 16:54:47,381 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-03-17 16:54:47,381 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2019-03-17 16:54:47,384 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2019-03-17 16:54:47,384 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2019-03-17 16:54:47,430 INFO ]: Repository-Root is: /tmp [2019-03-17 16:54:47,448 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-03-17 16:54:47,452 INFO ]: [Toolchain 1]: Toolchain selected. [2019-03-17 16:54:47,454 INFO ]: Initializing SmtParser... [2019-03-17 16:54:47,454 INFO ]: SmtParser initialized [2019-03-17 16:54:47,455 INFO ]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/ChcSmtPrinter_Problem14_label24_true-unreach-call_false-termination.c.smt2 [2019-03-17 16:54:47,536 INFO ]: Parsing .smt2 file as a set of Horn Clauses Unexpected Exception: java.lang.NullPointerException [2019-03-17 16:54:47,729 INFO ]: Failed while executing SMT file /storage/repos/svcomp/c/eca-rers2012/ChcSmtPrinter_Problem14_label24_true-unreach-call_false-termination.c.smt2 [2019-03-17 16:54:47,729 INFO ]: SMTLIBException java.lang.NullPointerException (error "java.lang.NullPointerException") Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown