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/durationThm_2_e1_118.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-25 03:33:12,971 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-25 03:33:12,973 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-25 03:33:12,985 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-25 03:33:12,986 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-25 03:33:12,986 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-25 03:33:12,987 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-25 03:33:12,991 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-25 03:33:12,994 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-25 03:33:12,994 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-25 03:33:12,995 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-25 03:33:12,995 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-25 03:33:12,996 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-25 03:33:12,999 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-25 03:33:13,000 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-25 03:33:13,001 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-25 03:33:13,002 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-25 03:33:13,012 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-25 03:33:13,013 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-25 03:33:13,014 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-25 03:33:13,017 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-25 03:33:13,019 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-25 03:33:13,019 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-25 03:33:13,019 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-25 03:33:13,022 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-25 03:33:13,023 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-25 03:33:13,024 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-25 03:33:13,024 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-25 03:33:13,025 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-25 03:33:13,025 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-25 03:33:13,029 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-25 03:33:13,030 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-25 03:33:13,030 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-25 03:33:13,031 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-25 03:33:13,031 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-25 03:33:13,031 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-25 03:33:13,058 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-25 03:33:13,058 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-25 03:33:13,059 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-25 03:33:13,059 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-25 03:33:13,060 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-25 03:33:13,060 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-25 03:33:13,060 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-25 03:33:13,060 INFO L133 SettingsManager]: * Use SBE=true [2018-06-25 03:33:13,061 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-25 03:33:13,061 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-25 03:33:13,061 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-25 03:33:13,061 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-25 03:33:13,061 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 03:33:13,062 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-25 03:33:13,064 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-25 03:33:13,064 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-25 03:33:13,065 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-25 03:33:13,065 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-25 03:33:13,065 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-25 03:33:13,065 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-25 03:33:13,065 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-25 03:33:13,067 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-25 03:33:13,067 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-25 03:33:13,109 INFO ]: Repository-Root is: /tmp [2018-06-25 03:33:13,120 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-25 03:33:13,125 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-25 03:33:13,126 INFO ]: Initializing SmtParser... [2018-06-25 03:33:13,126 INFO ]: SmtParser initialized [2018-06-25 03:33:13,127 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/durationThm_2_e1_118.smt2 [2018-06-25 03:33:13,128 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 03:33:13,224 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/durationThm_2_e1_118.smt2 unknown [2018-06-25 03:33:13,508 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/durationThm_2_e1_118.smt2 [2018-06-25 03:33:13,513 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-25 03:33:13,519 INFO ]: Walking toolchain with 5 elements. [2018-06-25 03:33:13,520 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-25 03:33:13,520 INFO ]: Initializing ChcToBoogie... [2018-06-25 03:33:13,520 INFO ]: ChcToBoogie initialized [2018-06-25 03:33:13,523 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 03:33:13" (1/1) ... [2018-06-25 03:33:13,587 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:33:13 Unit [2018-06-25 03:33:13,587 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-25 03:33:13,588 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-25 03:33:13,588 INFO ]: Initializing Boogie Preprocessor... [2018-06-25 03:33:13,588 INFO ]: Boogie Preprocessor initialized [2018-06-25 03:33:13,602 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:33:13" (1/1) ... [2018-06-25 03:33:13,602 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:33:13" (1/1) ... [2018-06-25 03:33:13,607 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:33:13" (1/1) ... [2018-06-25 03:33:13,607 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:33:13" (1/1) ... [2018-06-25 03:33:13,612 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:33:13" (1/1) ... [2018-06-25 03:33:13,613 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:33:13" (1/1) ... [2018-06-25 03:33:13,614 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:33:13" (1/1) ... [2018-06-25 03:33:13,622 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-25 03:33:13,622 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-25 03:33:13,622 INFO ]: Initializing RCFGBuilder... [2018-06-25 03:33:13,622 INFO ]: RCFGBuilder initialized [2018-06-25 03:33:13,623 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:33:13" (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 03:33:13,638 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-25 03:33:13,638 INFO ]: Found specification of procedure gotoProc [2018-06-25 03:33:13,638 INFO ]: Found implementation of procedure gotoProc [2018-06-25 03:33:13,638 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-25 03:33:13,638 INFO ]: Found specification of procedure Ultimate.START [2018-06-25 03:33:13,638 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 03:33:13,888 INFO ]: Using library mode [2018-06-25 03:33:13,889 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 03:33:13 BoogieIcfgContainer [2018-06-25 03:33:13,889 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-25 03:33:13,889 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-25 03:33:13,890 INFO ]: Initializing BlockEncodingV2... [2018-06-25 03:33:13,892 INFO ]: BlockEncodingV2 initialized [2018-06-25 03:33:13,893 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 03:33:13" (1/1) ... [2018-06-25 03:33:13,906 INFO ]: Initial Icfg 10 locations, 10 edges [2018-06-25 03:33:13,908 INFO ]: Using Remove infeasible edges [2018-06-25 03:33:13,908 INFO ]: Using Maximize final states [2018-06-25 03:33:13,909 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-25 03:33:13,909 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-25 03:33:13,910 INFO ]: Using Remove sink states [2018-06-25 03:33:13,910 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-25 03:33:13,910 INFO ]: Using Use SBE [2018-06-25 03:33:13,916 WARN ]: expecting exponential blowup for input size 8 [2018-06-25 03:33:14,060 WARN ]: expecting exponential blowup for input size 21