java -Xss1g -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/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf -i /storage/chc-comp/hopv/lia/termination/toChurch02.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 11:41:02,609 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 11:41:02,696 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 11:41:02,711 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 11:41:02,711 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 11:41:02,712 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 11:41:02,714 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 11:41:02,716 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 11:41:02,717 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 11:41:02,719 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 11:41:02,720 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 11:41:02,720 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 11:41:02,721 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 11:41:02,722 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 11:41:02,723 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 11:41:02,727 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 11:41:02,729 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 11:41:02,732 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 11:41:02,733 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 11:41:02,734 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 11:41:02,735 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 11:41:02,738 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 11:41:02,738 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 11:41:02,738 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 11:41:02,739 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 11:41:02,740 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 11:41:02,740 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 11:41:02,741 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 11:41:02,742 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 11:41:02,743 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 11:41:02,743 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 11:41:02,744 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 11:41:02,744 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 11:41:02,745 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 11:41:02,745 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 11:41:02,746 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf [2018-06-22 11:41:02,760 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 11:41:02,760 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 11:41:02,761 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 11:41:02,761 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 11:41:02,762 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 11:41:02,762 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 11:41:02,762 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 11:41:02,762 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 11:41:02,763 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 11:41:02,763 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 11:41:02,763 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 11:41:02,763 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 11:41:02,763 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 11:41:02,764 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 11:41:02,764 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 11:41:02,764 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 11:41:02,764 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 11:41:02,764 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 11:41:02,764 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 11:41:02,766 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 11:41:02,766 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 11:41:02,802 INFO ]: Repository-Root is: /tmp [2018-06-22 11:41:02,816 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 11:41:02,823 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 11:41:02,825 INFO ]: Initializing SmtParser... [2018-06-22 11:41:02,825 INFO ]: SmtParser initialized [2018-06-22 11:41:02,826 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/hopv/lia/termination/toChurch02.smt2 [2018-06-22 11:41:02,828 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 [2018-06-22 11:41:02,919 INFO ]: Executing SMT file /storage/chc-comp/hopv/lia/termination/toChurch02.smt2 unknown [2018-06-22 11:41:03,443 INFO ]: Succesfully executed SMT file /storage/chc-comp/hopv/lia/termination/toChurch02.smt2 [2018-06-22 11:41:03,457 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 11:41:03,462 INFO ]: Walking toolchain with 4 elements. [2018-06-22 11:41:03,463 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 11:41:03,463 INFO ]: Initializing ChcToBoogie... [2018-06-22 11:41:03,464 INFO ]: ChcToBoogie initialized [2018-06-22 11:41:03,467 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:41:03" (1/1) ... [2018-06-22 11:41:03,542 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:41:03 Unit [2018-06-22 11:41:03,542 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 11:41:03,550 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 11:41:03,550 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 11:41:03,550 INFO ]: Boogie Preprocessor initialized [2018-06-22 11:41:03,571 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:41:03" (1/1) ... [2018-06-22 11:41:03,572 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:41:03" (1/1) ... [2018-06-22 11:41:03,592 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:41:03" (1/1) ... [2018-06-22 11:41:03,592 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:41:03" (1/1) ... [2018-06-22 11:41:03,607 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:41:03" (1/1) ... [2018-06-22 11:41:03,615 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:41:03" (1/1) ... [2018-06-22 11:41:03,618 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:41:03" (1/1) ... [2018-06-22 11:41:03,626 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 11:41:03,627 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 11:41:03,627 INFO ]: Initializing RCFGBuilder... [2018-06-22 11:41:03,627 INFO ]: RCFGBuilder initialized [2018-06-22 11:41:03,628 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:41:03" (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 [2018-06-22 11:41:03,653 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 11:41:03,653 INFO ]: Found specification of procedure False [2018-06-22 11:41:03,653 INFO ]: Found implementation of procedure False [2018-06-22 11:41:03,653 INFO ]: Specification and implementation of procedure failDLRunknownCLN25 given in one single declaration [2018-06-22 11:41:03,653 INFO ]: Found specification of procedure failDLRunknownCLN25 [2018-06-22 11:41:03,653 INFO ]: Found implementation of procedure failDLRunknownCLN25 [2018-06-22 11:41:03,654 INFO ]: Specification and implementation of procedure succ_1036DLRunknownCLN33 given in one single declaration [2018-06-22 11:41:03,654 INFO ]: Found specification of procedure succ_1036DLRunknownCLN33 [2018-06-22 11:41:03,654 INFO ]: Found implementation of procedure succ_1036DLRunknownCLN33 [2018-06-22 11:41:03,654 INFO ]: Specification and implementation of procedure toChurch_1038DLRunknownCLN49 given in one single declaration [2018-06-22 11:41:03,654 INFO ]: Found specification of procedure toChurch_1038DLRunknownCLN49 [2018-06-22 11:41:03,654 INFO ]: Found implementation of procedure toChurch_1038DLRunknownCLN49 [2018-06-22 11:41:03,654 INFO ]: Specification and implementation of procedure compose_1030DLRunknownCLN10 given in one single declaration [2018-06-22 11:41:03,654 INFO ]: Found specification of procedure compose_1030DLRunknownCLN10 [2018-06-22 11:41:03,654 INFO ]: Found implementation of procedure compose_1030DLRunknownCLN10 [2018-06-22 11:41:03,655 INFO ]: Specification and implementation of procedure compose_1030DLRunknownCLN23 given in one single declaration [2018-06-22 11:41:03,655 INFO ]: Found specification of procedure compose_1030DLRunknownCLN23 [2018-06-22 11:41:03,655 INFO ]: Found implementation of procedure compose_1030DLRunknownCLN23 [2018-06-22 11:41:03,656 INFO ]: Specification and implementation of procedure toChurch_1038DLRunknownCLN53 given in one single declaration [2018-06-22 11:41:03,656 INFO ]: Found specification of procedure toChurch_1038DLRunknownCLN53 [2018-06-22 11:41:03,656 INFO ]: Found implementation of procedure toChurch_1038DLRunknownCLN53 [2018-06-22 11:41:03,656 INFO ]: Specification and implementation of procedure compose_1030DLRunknownCLN19 given in one single declaration [2018-06-22 11:41:03,656 INFO ]: Found specification of procedure compose_1030DLRunknownCLN19 [2018-06-22 11:41:03,656 INFO ]: Found implementation of procedure compose_1030DLRunknownCLN19 [2018-06-22 11:41:03,656 INFO ]: Specification and implementation of procedure compose_1030DLRunknownCLN20 given in one single declaration [2018-06-22 11:41:03,656 INFO ]: Found specification of procedure compose_1030DLRunknownCLN20 [2018-06-22 11:41:03,656 INFO ]: Found implementation of procedure compose_1030DLRunknownCLN20 [2018-06-22 11:41:03,656 INFO ]: Specification and implementation of procedure toChurch_1038DLRunknownCLN54 given in one single declaration [2018-06-22 11:41:03,656 INFO ]: Found specification of procedure toChurch_1038DLRunknownCLN54 [2018-06-22 11:41:03,656 INFO ]: Found implementation of procedure toChurch_1038DLRunknownCLN54 [2018-06-22 11:41:03,656 INFO ]: Specification and implementation of procedure compose_1030DLRunknownCLN24 given in one single declaration [2018-06-22 11:41:03,656 INFO ]: Found specification of procedure compose_1030DLRunknownCLN24 [2018-06-22 11:41:03,656 INFO ]: Found implementation of procedure compose_1030DLRunknownCLN24 [2018-06-22 11:41:03,656 INFO ]: Specification and implementation of procedure compose_1030DLRunknownCLN11 given in one single declaration [2018-06-22 11:41:03,656 INFO ]: Found specification of procedure compose_1030DLRunknownCLN11 [2018-06-22 11:41:03,656 INFO ]: Found implementation of procedure compose_1030DLRunknownCLN11 [2018-06-22 11:41:03,656 INFO ]: Specification and implementation of procedure toChurch_1038DLRunknownCLN50 given in one single declaration [2018-06-22 11:41:03,656 INFO ]: Found specification of procedure toChurch_1038DLRunknownCLN50 [2018-06-22 11:41:03,656 INFO ]: Found implementation of procedure toChurch_1038DLRunknownCLN50 [2018-06-22 11:41:03,656 INFO ]: Specification and implementation of procedure succ_1036DLRunknownCLN34 given in one single declaration [2018-06-22 11:41:03,656 INFO ]: Found specification of procedure succ_1036DLRunknownCLN34 [2018-06-22 11:41:03,656 INFO ]: Found implementation of procedure succ_1036DLRunknownCLN34 [2018-06-22 11:41:03,656 INFO ]: Specification and implementation of procedure failDLRunknownCLN26 given in one single declaration [2018-06-22 11:41:03,656 INFO ]: Found specification of procedure failDLRunknownCLN26 [2018-06-22 11:41:03,656 INFO ]: Found implementation of procedure failDLRunknownCLN26 [2018-06-22 11:41:03,656 INFO ]: Specification and implementation of procedure botDLRunknownCLN2 given in one single declaration [2018-06-22 11:41:03,656 INFO ]: Found specification of procedure botDLRunknownCLN2 [2018-06-22 11:41:03,656 INFO ]: Found implementation of procedure botDLRunknownCLN2 [2018-06-22 11:41:03,656 INFO ]: Specification and implementation of procedure succ_without_checking_1316DLRunknownCLN38 given in one single declaration [2018-06-22 11:41:03,656 INFO ]: Found specification of procedure succ_without_checking_1316DLRunknownCLN38 [2018-06-22 11:41:03,656 INFO ]: Found implementation of procedure succ_without_checking_1316DLRunknownCLN38 [2018-06-22 11:41:03,657 INFO ]: Specification and implementation of procedure id_1034DLRunknownCLN30 given in one single declaration [2018-06-22 11:41:03,657 INFO ]: Found specification of procedure id_1034DLRunknownCLN30 [2018-06-22 11:41:03,657 INFO ]: Found implementation of procedure id_1034DLRunknownCLN30 [2018-06-22 11:41:03,657 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 11:41:03,657 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 11:41:03,657 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 11:41:04,567 INFO ]: Using library mode [2018-06-22 11:41:04,567 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:41:04 BoogieIcfgContainer [2018-06-22 11:41:04,567 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 11:41:04,569 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 11:41:04,569 INFO ]: Initializing TraceAbstraction... [2018-06-22 11:41:04,578 INFO ]: TraceAbstraction initialized [2018-06-22 11:41:04,578 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:41:03" (1/3) ... [2018-06-22 11:41:04,579 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4773450e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 11:41:04, skipping insertion in model container [2018-06-22 11:41:04,579 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:41:03" (2/3) ... [2018-06-22 11:41:04,579 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4773450e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 11:41:04, skipping insertion in model container [2018-06-22 11:41:04,579 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:41:04" (3/3) ... [2018-06-22 11:41:04,582 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 11:41:04,596 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 11:41:04,607 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 11:41:04,642 INFO ]: Using default assertion order modulation [2018-06-22 11:41:04,642 INFO ]: Interprodecural is true [2018-06-22 11:41:04,642 INFO ]: Hoare is false [2018-06-22 11:41:04,642 INFO ]: Compute interpolants for FPandBP [2018-06-22 11:41:04,642 INFO ]: Backedges is TWOTRACK [2018-06-22 11:41:04,642 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 11:41:04,642 INFO ]: Difference is false [2018-06-22 11:41:04,642 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 11:41:04,642 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 11:41:04,664 INFO ]: Start isEmpty. Operand 91 states. [2018-06-22 11:41:04,687 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-22 11:41:04,688 INFO ]: Found error trace [2018-06-22 11:41:04,689 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-22 11:41:04,689 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:41:04,693 INFO ]: Analyzing trace with hash 354974732, now seen corresponding path program 1 times [2018-06-22 11:41:04,694 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:41:04,694 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:41:04,730 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:41:04,730 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:41:04,730 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:41:04,744 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:41:04,790 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 11:41:04,792 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:41:04,793 INFO ]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-06-22 11:41:04,794 INFO ]: Interpolant automaton has 2 states [2018-06-22 11:41:04,811 INFO ]: Constructing interpolant automaton starting with 2 interpolants. [2018-06-22 11:41:04,811 INFO ]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 11:41:04,814 INFO ]: Start difference. First operand 91 states. Second operand 2 states. [2018-06-22 11:41:04,848 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:41:04,848 INFO ]: Finished difference Result 45 states and 49 transitions. [2018-06-22 11:41:04,848 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-06-22 11:41:04,850 INFO ]: Start accepts. Automaton has 2 states. Word has length 5 [2018-06-22 11:41:04,850 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:41:04,857 INFO ]: With dead ends: 45 [2018-06-22 11:41:04,857 INFO ]: Without dead ends: 0 [2018-06-22 11:41:04,859 INFO ]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 11:41:04,875 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 11:41:04,881 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 11:41:04,882 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 11:41:04,882 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 11:41:04,882 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2018-06-22 11:41:04,882 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:41:04,882 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 11:41:04,882 INFO ]: Interpolant automaton has 2 states. [2018-06-22 11:41:04,883 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 11:41:04,883 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 11:41:04,887 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 11:41:04 BoogieIcfgContainer [2018-06-22 11:41:04,887 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 11:41:04,887 INFO ]: Toolchain (without parser) took 1429.93 ms. Allocated memory was 305.1 MB in the beginning and 326.1 MB in the end (delta: 21.0 MB). Free memory was 238.5 MB in the beginning and 287.7 MB in the end (delta: -49.1 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 11:41:04,889 INFO ]: SmtParser took 0.10 ms. Allocated memory is still 305.1 MB. Free memory is still 270.6 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 11:41:04,889 INFO ]: ChcToBoogie took 79.98 ms. Allocated memory is still 305.1 MB. Free memory was 237.5 MB in the beginning and 235.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:41:04,890 INFO ]: Boogie Preprocessor took 76.70 ms. Allocated memory is still 305.1 MB. Free memory was 235.5 MB in the beginning and 233.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:41:04,890 INFO ]: RCFGBuilder took 940.48 ms. Allocated memory is still 305.1 MB. Free memory was 233.5 MB in the beginning and 195.4 MB in the end (delta: 38.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 3.6 GB. [2018-06-22 11:41:04,890 INFO ]: TraceAbstraction took 317.69 ms. Allocated memory was 305.1 MB in the beginning and 326.1 MB in the end (delta: 21.0 MB). Free memory was 194.5 MB in the beginning and 287.7 MB in the end (delta: -93.2 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 11:41:04,893 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.10 ms. Allocated memory is still 305.1 MB. Free memory is still 270.6 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 79.98 ms. Allocated memory is still 305.1 MB. Free memory was 237.5 MB in the beginning and 235.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 76.70 ms. Allocated memory is still 305.1 MB. Free memory was 235.5 MB in the beginning and 233.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 940.48 ms. Allocated memory is still 305.1 MB. Free memory was 233.5 MB in the beginning and 195.4 MB in the end (delta: 38.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 317.69 ms. Allocated memory was 305.1 MB in the beginning and 326.1 MB in the end (delta: 21.0 MB). Free memory was 194.5 MB in the beginning and 287.7 MB in the end (delta: -93.2 MB). There was no memory consumed. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [UNKNOWN] : assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 19 procedures, 91 locations, 1 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 49 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=91occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/toChurch02.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_11-41-04-903.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/toChurch02.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_11-41-04-903.csv Received shutdown request...