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_Problem17_label13_false-unreach-call.c.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13656f4 [2019-03-17 16:56:18,457 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-03-17 16:56:18,459 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-03-17 16:56:18,471 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-03-17 16:56:18,471 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-03-17 16:56:18,473 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-03-17 16:56:18,474 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-03-17 16:56:18,476 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-03-17 16:56:18,477 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-03-17 16:56:18,478 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-03-17 16:56:18,479 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-03-17 16:56:18,479 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-03-17 16:56:18,480 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-03-17 16:56:18,481 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-03-17 16:56:18,483 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-03-17 16:56:18,484 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-03-17 16:56:18,485 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-03-17 16:56:18,489 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-03-17 16:56:18,493 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-03-17 16:56:18,495 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-03-17 16:56:18,496 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-03-17 16:56:18,503 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-03-17 16:56:18,505 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-03-17 16:56:18,506 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-03-17 16:56:18,510 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-03-17 16:56:18,511 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-03-17 16:56:18,511 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-03-17 16:56:18,516 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-03-17 16:56:18,516 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-03-17 16:56:18,517 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-03-17 16:56:18,519 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-03-17 16:56:18,519 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-03-17 16:56:18,520 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-03-17 16:56:18,520 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-03-17 16:56:18,522 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-03-17 16:56:18,522 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-03-17 16:56:18,522 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-03-17 16:56:18,523 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-03-17 16:56:18,525 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-03-17 16:56:18,525 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 16:56:18,550 INFO L110 SettingsManager]: Loading preferences was successful [2019-03-17 16:56:18,550 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-03-17 16:56:18,551 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-03-17 16:56:18,552 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2019-03-17 16:56:18,553 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-03-17 16:56:18,553 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-03-17 16:56:18,553 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2019-03-17 16:56:18,553 INFO L133 SettingsManager]: * Use SBE=true [2019-03-17 16:56:18,553 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2019-03-17 16:56:18,554 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2019-03-17 16:56:18,554 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-03-17 16:56:18,554 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-03-17 16:56:18,554 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-03-17 16:56:18,555 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-03-17 16:56:18,555 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-03-17 16:56:18,555 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-03-17 16:56:18,555 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-03-17 16:56:18,555 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-03-17 16:56:18,556 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-03-17 16:56:18,556 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-03-17 16:56:18,556 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-03-17 16:56:18,556 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2019-03-17 16:56:18,560 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2019-03-17 16:56:18,560 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2019-03-17 16:56:18,591 INFO ]: Repository-Root is: /tmp [2019-03-17 16:56:18,602 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-03-17 16:56:18,606 INFO ]: [Toolchain 1]: Toolchain selected. [2019-03-17 16:56:18,607 INFO ]: Initializing SmtParser... [2019-03-17 16:56:18,607 INFO ]: SmtParser initialized [2019-03-17 16:56:18,608 INFO ]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/ChcSmtPrinter_Problem17_label13_false-unreach-call.c.smt2 [2019-03-17 16:56:18,670 INFO ]: Parsing .smt2 file as a set of Horn Clauses Unexpected Exception: java.lang.NullPointerException [2019-03-17 16:56:18,840 INFO ]: Failed while executing SMT file /storage/repos/svcomp/c/eca-rers2012/ChcSmtPrinter_Problem17_label13_false-unreach-call.c.smt2 [2019-03-17 16:56:18,840 INFO ]: SMTLIBException java.lang.NullPointerException (error "java.lang.NullPointerException") Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown