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/vmt-chc-benchmarks/lustre/DRAGON_12_e2_1618_e2_138.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-25 02:31:06,063 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-25 02:31:06,065 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-25 02:31:06,076 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-25 02:31:06,077 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-25 02:31:06,079 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-25 02:31:06,080 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-25 02:31:06,082 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-25 02:31:06,084 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-25 02:31:06,084 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-25 02:31:06,086 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-25 02:31:06,086 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-25 02:31:06,087 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-25 02:31:06,088 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-25 02:31:06,091 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-25 02:31:06,092 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-25 02:31:06,094 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-25 02:31:06,105 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-25 02:31:06,107 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-25 02:31:06,108 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-25 02:31:06,109 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-25 02:31:06,111 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-25 02:31:06,111 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-25 02:31:06,112 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-25 02:31:06,112 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-25 02:31:06,113 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-25 02:31:06,114 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-25 02:31:06,114 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-25 02:31:06,115 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-25 02:31:06,116 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-25 02:31:06,116 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-25 02:31:06,117 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-25 02:31:06,117 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-25 02:31:06,118 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-25 02:31:06,118 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-25 02:31:06,119 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-25 02:31:06,134 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-25 02:31:06,134 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-25 02:31:06,134 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-25 02:31:06,134 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-25 02:31:06,135 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-25 02:31:06,136 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-25 02:31:06,136 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-25 02:31:06,136 INFO L133 SettingsManager]: * Use SBE=true [2018-06-25 02:31:06,136 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-25 02:31:06,137 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-25 02:31:06,137 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-25 02:31:06,137 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-25 02:31:06,137 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 02:31:06,137 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-25 02:31:06,137 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-25 02:31:06,138 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-25 02:31:06,138 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-25 02:31:06,138 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-25 02:31:06,138 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-25 02:31:06,138 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-25 02:31:06,139 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-25 02:31:06,140 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-25 02:31:06,140 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-25 02:31:06,192 INFO ]: Repository-Root is: /tmp [2018-06-25 02:31:06,212 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-25 02:31:06,217 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-25 02:31:06,219 INFO ]: Initializing SmtParser... [2018-06-25 02:31:06,219 INFO ]: SmtParser initialized [2018-06-25 02:31:06,219 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_12_e2_1618_e2_138.smt2 [2018-06-25 02:31:06,221 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 [2018-06-25 02:31:06,294 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_12_e2_1618_e2_138.smt2 unknown [2018-06-25 02:31:06,953 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_12_e2_1618_e2_138.smt2 [2018-06-25 02:31:06,962 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-25 02:31:06,967 INFO ]: Walking toolchain with 5 elements. [2018-06-25 02:31:06,968 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-25 02:31:06,968 INFO ]: Initializing ChcToBoogie... [2018-06-25 02:31:06,968 INFO ]: ChcToBoogie initialized [2018-06-25 02:31:06,971 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 02:31:06" (1/1) ... [2018-06-25 02:31:07,091 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 02:31:07 Unit [2018-06-25 02:31:07,093 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-25 02:31:07,094 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-25 02:31:07,094 INFO ]: Initializing Boogie Preprocessor... [2018-06-25 02:31:07,094 INFO ]: Boogie Preprocessor initialized [2018-06-25 02:31:07,114 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 02:31:07" (1/1) ... [2018-06-25 02:31:07,114 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 02:31:07" (1/1) ... [2018-06-25 02:31:07,141 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 02:31:07" (1/1) ... [2018-06-25 02:31:07,141 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 02:31:07" (1/1) ... [2018-06-25 02:31:07,160 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 02:31:07" (1/1) ... [2018-06-25 02:31:07,162 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 02:31:07" (1/1) ... [2018-06-25 02:31:07,165 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 02:31:07" (1/1) ... [2018-06-25 02:31:07,170 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-25 02:31:07,171 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-25 02:31:07,171 INFO ]: Initializing RCFGBuilder... [2018-06-25 02:31:07,171 INFO ]: RCFGBuilder initialized [2018-06-25 02:31:07,172 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 02:31:07" (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) [2018-06-25 02:31:07,186 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-25 02:31:07,186 INFO ]: Found specification of procedure gotoProc [2018-06-25 02:31:07,186 INFO ]: Found implementation of procedure gotoProc [2018-06-25 02:31:07,186 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-25 02:31:07,186 INFO ]: Found specification of procedure Ultimate.START [2018-06-25 02:31:07,186 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 [2018-06-25 02:31:07,895 INFO ]: Using library mode [2018-06-25 02:31:07,896 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 02:31:07 BoogieIcfgContainer [2018-06-25 02:31:07,896 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-25 02:31:07,896 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-25 02:31:07,896 INFO ]: Initializing BlockEncodingV2... [2018-06-25 02:31:07,898 INFO ]: BlockEncodingV2 initialized [2018-06-25 02:31:07,899 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 02:31:07" (1/1) ... [2018-06-25 02:31:07,923 INFO ]: Initial Icfg 10 locations, 10 edges [2018-06-25 02:31:07,924 INFO ]: Using Remove infeasible edges [2018-06-25 02:31:07,925 INFO ]: Using Maximize final states [2018-06-25 02:31:07,925 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-25 02:31:07,926 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-25 02:31:07,929 INFO ]: Using Remove sink states [2018-06-25 02:31:07,930 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-25 02:31:07,930 INFO ]: Using Use SBE [2018-06-25 02:31:07,943 WARN ]: expecting exponential blowup for input size 32