java -Xss4m -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC_wBE.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf -i /storage/chc-comp/sally-chc-benchmarks/lfht/lfht_2.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-62c3406-m [2018-06-26 19:18:56,002 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-26 19:18:56,004 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-26 19:18:56,016 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-26 19:18:56,016 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-26 19:18:56,017 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-26 19:18:56,018 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-26 19:18:56,019 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-26 19:18:56,021 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-26 19:18:56,022 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-26 19:18:56,022 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-26 19:18:56,023 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-26 19:18:56,023 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-26 19:18:56,024 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-26 19:18:56,028 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-26 19:18:56,028 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-26 19:18:56,029 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-26 19:18:56,036 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-26 19:18:56,038 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-26 19:18:56,039 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-26 19:18:56,041 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-26 19:18:56,042 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-26 19:18:56,044 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-26 19:18:56,044 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-26 19:18:56,045 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-26 19:18:56,045 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-26 19:18:56,046 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-26 19:18:56,047 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-26 19:18:56,047 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-26 19:18:56,048 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-26 19:18:56,048 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-26 19:18:56,049 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-26 19:18:56,049 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-06-26 19:18:56,049 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-26 19:18:56,050 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-26 19:18:56,051 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-26 19:18:56,051 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-26 19:18:56,065 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-26 19:18:56,065 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-26 19:18:56,065 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-26 19:18:56,066 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-26 19:18:56,066 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-26 19:18:56,067 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-26 19:18:56,067 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-26 19:18:56,067 INFO L133 SettingsManager]: * Use SBE=true [2018-06-26 19:18:56,067 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-26 19:18:56,067 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-26 19:18:56,068 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-26 19:18:56,068 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-26 19:18:56,068 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-26 19:18:56,068 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-26 19:18:56,068 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-26 19:18:56,068 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-26 19:18:56,069 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-26 19:18:56,069 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-26 19:18:56,069 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-26 19:18:56,069 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-26 19:18:56,069 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-26 19:18:56,071 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-26 19:18:56,071 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-26 19:18:56,110 INFO ]: Repository-Root is: /tmp [2018-06-26 19:18:56,128 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-26 19:18:56,133 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-26 19:18:56,134 INFO ]: Initializing SmtParser... [2018-06-26 19:18:56,135 INFO ]: SmtParser initialized [2018-06-26 19:18:56,135 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/sally-chc-benchmarks/lfht/lfht_2.smt2 [2018-06-26 19:18:56,136 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 [2018-06-26 19:18:56,232 INFO ]: Executing SMT file /storage/chc-comp/sally-chc-benchmarks/lfht/lfht_2.smt2 unknown [2018-06-26 19:18:56,637 INFO ]: Succesfully executed SMT file /storage/chc-comp/sally-chc-benchmarks/lfht/lfht_2.smt2 [2018-06-26 19:18:56,642 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-26 19:18:56,656 INFO ]: Walking toolchain with 5 elements. [2018-06-26 19:18:56,657 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-26 19:18:56,657 INFO ]: Initializing ChcToBoogie... [2018-06-26 19:18:56,657 INFO ]: ChcToBoogie initialized [2018-06-26 19:18:56,660 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 07:18:56" (1/1) ... [2018-06-26 19:18:56,745 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:18:56 Unit [2018-06-26 19:18:56,745 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-26 19:18:56,746 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-26 19:18:56,746 INFO ]: Initializing Boogie Preprocessor... [2018-06-26 19:18:56,746 INFO ]: Boogie Preprocessor initialized [2018-06-26 19:18:56,767 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:18:56" (1/1) ... [2018-06-26 19:18:56,767 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:18:56" (1/1) ... [2018-06-26 19:18:56,775 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:18:56" (1/1) ... [2018-06-26 19:18:56,775 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:18:56" (1/1) ... [2018-06-26 19:18:56,794 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:18:56" (1/1) ... [2018-06-26 19:18:56,795 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:18:56" (1/1) ... [2018-06-26 19:18:56,798 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:18:56" (1/1) ... [2018-06-26 19:18:56,809 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-26 19:18:56,809 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-26 19:18:56,809 INFO ]: Initializing RCFGBuilder... [2018-06-26 19:18:56,809 INFO ]: RCFGBuilder initialized [2018-06-26 19:18:56,810 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:18:56" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2018-06-26 19:18:56,825 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-26 19:18:56,825 INFO ]: Found specification of procedure gotoProc [2018-06-26 19:18:56,825 INFO ]: Found implementation of procedure gotoProc [2018-06-26 19:18:56,825 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-26 19:18:56,825 INFO ]: Found specification of procedure Ultimate.START [2018-06-26 19:18:56,825 INFO ]: Found implementation of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-26 19:18:57,253 INFO ]: Using library mode [2018-06-26 19:18:57,253 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 07:18:57 BoogieIcfgContainer [2018-06-26 19:18:57,253 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-26 19:18:57,254 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-26 19:18:57,254 INFO ]: Initializing BlockEncodingV2... [2018-06-26 19:18:57,255 INFO ]: BlockEncodingV2 initialized [2018-06-26 19:18:57,255 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 07:18:57" (1/1) ... [2018-06-26 19:18:57,273 INFO ]: Initial Icfg 10 locations, 10 edges [2018-06-26 19:18:57,275 INFO ]: Using Remove infeasible edges [2018-06-26 19:18:57,275 INFO ]: Using Maximize final states [2018-06-26 19:18:57,276 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-26 19:18:57,276 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-26 19:18:57,277 INFO ]: Using Remove sink states [2018-06-26 19:18:57,281 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-26 19:18:57,281 INFO ]: Using Use SBE [2018-06-26 19:18:57,288 WARN ]: expecting exponential blowup for input size 7 [2018-06-26 19:18:57,402 WARN ]: expecting exponential blowup for input size 7 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown