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/car_2_e8_491_e7_826.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-25 01:48:25,085 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-25 01:48:25,087 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-25 01:48:25,103 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-25 01:48:25,105 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-25 01:48:25,105 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-25 01:48:25,107 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-25 01:48:25,113 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-25 01:48:25,114 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-25 01:48:25,115 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-25 01:48:25,118 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-25 01:48:25,118 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-25 01:48:25,119 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-25 01:48:25,120 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-25 01:48:25,122 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-25 01:48:25,123 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-25 01:48:25,125 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-25 01:48:25,127 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-25 01:48:25,128 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-25 01:48:25,129 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-25 01:48:25,130 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-25 01:48:25,133 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-25 01:48:25,133 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-25 01:48:25,133 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-25 01:48:25,134 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-25 01:48:25,135 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-25 01:48:25,136 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-25 01:48:25,136 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-25 01:48:25,138 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-25 01:48:25,138 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-25 01:48:25,139 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-25 01:48:25,139 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-25 01:48:25,139 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-25 01:48:25,140 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-25 01:48:25,141 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-25 01:48:25,141 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-25 01:48:25,155 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-25 01:48:25,156 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-25 01:48:25,156 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-25 01:48:25,156 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-25 01:48:25,157 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-25 01:48:25,157 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-25 01:48:25,157 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-25 01:48:25,157 INFO L133 SettingsManager]: * Use SBE=true [2018-06-25 01:48:25,158 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-25 01:48:25,158 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-25 01:48:25,158 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-25 01:48:25,158 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-25 01:48:25,158 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 01:48:25,159 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-25 01:48:25,159 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-25 01:48:25,159 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-25 01:48:25,159 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-25 01:48:25,159 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-25 01:48:25,160 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-25 01:48:25,160 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-25 01:48:25,160 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-25 01:48:25,161 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-25 01:48:25,161 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-25 01:48:25,207 INFO ]: Repository-Root is: /tmp [2018-06-25 01:48:25,227 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-25 01:48:25,231 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-25 01:48:25,232 INFO ]: Initializing SmtParser... [2018-06-25 01:48:25,232 INFO ]: SmtParser initialized [2018-06-25 01:48:25,233 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/car_2_e8_491_e7_826.smt2 [2018-06-25 01:48:25,234 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 01:48:25,331 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/car_2_e8_491_e7_826.smt2 unknown [2018-06-25 01:48:25,729 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/car_2_e8_491_e7_826.smt2 [2018-06-25 01:48:25,734 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-25 01:48:25,748 INFO ]: Walking toolchain with 5 elements. [2018-06-25 01:48:25,749 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-25 01:48:25,749 INFO ]: Initializing ChcToBoogie... [2018-06-25 01:48:25,749 INFO ]: ChcToBoogie initialized [2018-06-25 01:48:25,752 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 01:48:25" (1/1) ... [2018-06-25 01:48:25,830 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:48:25 Unit [2018-06-25 01:48:25,830 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-25 01:48:25,830 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-25 01:48:25,830 INFO ]: Initializing Boogie Preprocessor... [2018-06-25 01:48:25,830 INFO ]: Boogie Preprocessor initialized [2018-06-25 01:48:25,852 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:48:25" (1/1) ... [2018-06-25 01:48:25,852 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:48:25" (1/1) ... [2018-06-25 01:48:25,857 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:48:25" (1/1) ... [2018-06-25 01:48:25,857 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:48:25" (1/1) ... [2018-06-25 01:48:25,862 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:48:25" (1/1) ... [2018-06-25 01:48:25,863 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:48:25" (1/1) ... [2018-06-25 01:48:25,865 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:48:25" (1/1) ... [2018-06-25 01:48:25,867 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-25 01:48:25,873 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-25 01:48:25,981 INFO ]: Initializing RCFGBuilder... [2018-06-25 01:48:25,981 INFO ]: RCFGBuilder initialized [2018-06-25 01:48:25,982 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:48:25" (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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 01:48:25,989 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-25 01:48:25,989 INFO ]: Found specification of procedure gotoProc [2018-06-25 01:48:25,989 INFO ]: Found implementation of procedure gotoProc [2018-06-25 01:48:25,989 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-25 01:48:25,989 INFO ]: Found specification of procedure Ultimate.START [2018-06-25 01:48:25,989 INFO ]: Found implementation of procedure Ultimate.START [2018-06-25 01:48:26,322 INFO ]: Using library mode [2018-06-25 01:48:26,323 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 01:48:26 BoogieIcfgContainer [2018-06-25 01:48:26,323 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-25 01:48:26,323 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-25 01:48:26,323 INFO ]: Initializing BlockEncodingV2... [2018-06-25 01:48:26,324 INFO ]: BlockEncodingV2 initialized [2018-06-25 01:48:26,325 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 01:48:26" (1/1) ... [2018-06-25 01:48:26,345 INFO ]: Initial Icfg 10 locations, 10 edges [2018-06-25 01:48:26,347 INFO ]: Using Remove infeasible edges [2018-06-25 01:48:26,347 INFO ]: Using Maximize final states [2018-06-25 01:48:26,348 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-25 01:48:26,348 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-25 01:48:26,351 INFO ]: Using Remove sink states [2018-06-25 01:48:26,352 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-25 01:48:26,352 INFO ]: Using Use SBE [2018-06-25 01:48:26,368 WARN ]: expecting exponential blowup for input size 22