java -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf -i /storage/chc-comp/eldarica-misc/LIA/llreve/loop2_merged_safe.c-1.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 11:30:31,731 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 11:30:31,733 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 11:30:31,755 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 11:30:31,756 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 11:30:31,756 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 11:30:31,758 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 11:30:31,759 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 11:30:31,761 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 11:30:31,762 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 11:30:31,763 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 11:30:31,763 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 11:30:31,764 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 11:30:31,767 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 11:30:31,767 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 11:30:31,768 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 11:30:31,770 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 11:30:31,772 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 11:30:31,773 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 11:30:31,774 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 11:30:31,775 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 11:30:31,778 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 11:30:31,778 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 11:30:31,779 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 11:30:31,779 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 11:30:31,780 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 11:30:31,781 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 11:30:31,782 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 11:30:31,783 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 11:30:31,783 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 11:30:31,784 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 11:30:31,785 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 11:30:31,785 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 11:30:31,786 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 11:30:31,786 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 11:30:31,787 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 11:30:31,800 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 11:30:31,800 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 11:30:31,800 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 11:30:31,801 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 11:30:31,802 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 11:30:31,802 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 11:30:31,802 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 11:30:31,803 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 11:30:31,803 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 11:30:31,803 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 11:30:31,803 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 11:30:31,804 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 11:30:31,804 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 11:30:31,804 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 11:30:31,804 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 11:30:31,804 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 11:30:31,805 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 11:30:31,806 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 11:30:31,807 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 11:30:31,856 INFO ]: Repository-Root is: /tmp [2018-06-18 11:30:31,883 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 11:30:31,887 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 11:30:31,892 INFO ]: Initializing SmtParser... [2018-06-18 11:30:31,893 INFO ]: SmtParser initialized [2018-06-18 11:30:31,893 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/llreve/loop2_merged_safe.c-1.smt2 [2018-06-18 11:30:31,895 INFO ]: Parsing .smt2 file as a set of Horn Clauses No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-06-18 11:30:31,987 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/llreve/loop2_merged_safe.c-1.smt2 Unexpected Exception: java.lang.NullPointerException [2018-06-18 11:30:32,041 INFO ]: Failed while executing SMT file /storage/chc-comp/eldarica-misc/LIA/llreve/loop2_merged_safe.c-1.smt2 [2018-06-18 11:30:32,041 INFO ]: SMTLIBException java.lang.NullPointerException (error "java.lang.NullPointerException") Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown