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_Problem18_label54_true-unreach-call.c.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13656f4 [2019-03-17 16:57:13,560 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-03-17 16:57:13,564 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-03-17 16:57:13,580 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-03-17 16:57:13,580 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-03-17 16:57:13,582 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-03-17 16:57:13,584 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-03-17 16:57:13,586 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-03-17 16:57:13,589 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-03-17 16:57:13,590 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-03-17 16:57:13,598 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-03-17 16:57:13,599 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-03-17 16:57:13,600 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-03-17 16:57:13,601 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-03-17 16:57:13,605 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-03-17 16:57:13,606 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-03-17 16:57:13,607 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-03-17 16:57:13,611 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-03-17 16:57:13,613 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-03-17 16:57:13,617 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-03-17 16:57:13,619 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-03-17 16:57:13,620 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-03-17 16:57:13,625 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-03-17 16:57:13,625 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-03-17 16:57:13,626 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-03-17 16:57:13,627 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-03-17 16:57:13,628 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-03-17 16:57:13,629 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-03-17 16:57:13,629 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-03-17 16:57:13,632 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-03-17 16:57:13,633 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-03-17 16:57:13,636 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-03-17 16:57:13,637 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-03-17 16:57:13,637 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-03-17 16:57:13,638 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-03-17 16:57:13,638 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-03-17 16:57:13,638 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-03-17 16:57:13,639 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-03-17 16:57:13,642 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-03-17 16:57:13,642 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 16:57:13,669 INFO L110 SettingsManager]: Loading preferences was successful [2019-03-17 16:57:13,669 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-03-17 16:57:13,669 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-03-17 16:57:13,670 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2019-03-17 16:57:13,670 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-03-17 16:57:13,671 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-03-17 16:57:13,671 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2019-03-17 16:57:13,672 INFO L133 SettingsManager]: * Use SBE=true [2019-03-17 16:57:13,672 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2019-03-17 16:57:13,672 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2019-03-17 16:57:13,672 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-03-17 16:57:13,672 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-03-17 16:57:13,673 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-03-17 16:57:13,673 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-03-17 16:57:13,673 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-03-17 16:57:13,673 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-03-17 16:57:13,673 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-03-17 16:57:13,673 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-03-17 16:57:13,675 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-03-17 16:57:13,675 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-03-17 16:57:13,675 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-03-17 16:57:13,675 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2019-03-17 16:57:13,678 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2019-03-17 16:57:13,678 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2019-03-17 16:57:13,709 INFO ]: Repository-Root is: /tmp [2019-03-17 16:57:13,719 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-03-17 16:57:13,722 INFO ]: [Toolchain 1]: Toolchain selected. [2019-03-17 16:57:13,724 INFO ]: Initializing SmtParser... [2019-03-17 16:57:13,724 INFO ]: SmtParser initialized [2019-03-17 16:57:13,725 INFO ]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/ChcSmtPrinter_Problem18_label54_true-unreach-call.c.smt2 [2019-03-17 16:57:13,803 INFO ]: Parsing .smt2 file as a set of Horn Clauses Unexpected Exception: java.lang.NullPointerException [2019-03-17 16:57:14,048 INFO ]: Failed while executing SMT file /storage/repos/svcomp/c/eca-rers2012/ChcSmtPrinter_Problem18_label54_true-unreach-call.c.smt2 [2019-03-17 16:57:14,048 INFO ]: SMTLIBException java.lang.NullPointerException (error "java.lang.NullPointerException") Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown