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/churchNum03.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 11:39:44,273 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 11:39:44,275 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 11:39:44,286 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 11:39:44,287 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 11:39:44,287 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 11:39:44,289 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 11:39:44,292 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 11:39:44,294 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 11:39:44,294 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 11:39:44,296 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 11:39:44,296 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 11:39:44,297 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 11:39:44,298 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 11:39:44,300 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 11:39:44,301 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 11:39:44,303 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 11:39:44,313 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 11:39:44,314 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 11:39:44,315 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 11:39:44,316 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 11:39:44,320 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 11:39:44,322 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 11:39:44,322 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 11:39:44,323 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 11:39:44,324 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 11:39:44,324 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 11:39:44,325 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 11:39:44,326 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 11:39:44,329 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 11:39:44,330 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 11:39:44,331 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 11:39:44,331 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 11:39:44,332 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 11:39:44,332 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 11:39:44,332 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 11:39:44,349 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 11:39:44,349 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 11:39:44,350 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 11:39:44,350 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 11:39:44,351 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 11:39:44,351 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 11:39:44,351 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 11:39:44,351 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 11:39:44,351 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 11:39:44,352 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 11:39:44,354 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 11:39:44,354 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 11:39:44,354 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 11:39:44,355 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 11:39:44,355 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 11:39:44,355 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 11:39:44,355 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 11:39:44,355 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 11:39:44,355 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 11:39:44,357 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 11:39:44,357 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 11:39:44,400 INFO ]: Repository-Root is: /tmp [2018-06-22 11:39:44,411 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 11:39:44,415 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 11:39:44,416 INFO ]: Initializing SmtParser... [2018-06-22 11:39:44,416 INFO ]: SmtParser initialized [2018-06-22 11:39:44,417 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/hopv/lia/termination/churchNum03.smt2 [2018-06-22 11:39:44,420 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 11:39:44,510 INFO ]: Executing SMT file /storage/chc-comp/hopv/lia/termination/churchNum03.smt2 unknown [2018-06-22 11:39:45,365 INFO ]: Succesfully executed SMT file /storage/chc-comp/hopv/lia/termination/churchNum03.smt2 [2018-06-22 11:39:45,370 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 11:39:45,377 INFO ]: Walking toolchain with 4 elements. [2018-06-22 11:39:45,377 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 11:39:45,377 INFO ]: Initializing ChcToBoogie... [2018-06-22 11:39:45,377 INFO ]: ChcToBoogie initialized [2018-06-22 11:39:45,380 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:39:45" (1/1) ... [2018-06-22 11:39:45,459 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:39:45 Unit [2018-06-22 11:39:45,459 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 11:39:45,460 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 11:39:45,460 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 11:39:45,460 INFO ]: Boogie Preprocessor initialized [2018-06-22 11:39:45,484 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:39:45" (1/1) ... [2018-06-22 11:39:45,484 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:39:45" (1/1) ... [2018-06-22 11:39:45,508 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:39:45" (1/1) ... [2018-06-22 11:39:45,508 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:39:45" (1/1) ... [2018-06-22 11:39:45,524 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:39:45" (1/1) ... [2018-06-22 11:39:45,542 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:39:45" (1/1) ... [2018-06-22 11:39:45,544 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:39:45" (1/1) ... [2018-06-22 11:39:45,549 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 11:39:45,550 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 11:39:45,550 INFO ]: Initializing RCFGBuilder... [2018-06-22 11:39:45,550 INFO ]: RCFGBuilder initialized [2018-06-22 11:39:45,551 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:39:45" (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) [2018-06-22 11:39:45,579 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 11:39:45,579 INFO ]: Found specification of procedure False [2018-06-22 11:39:45,579 INFO ]: Found implementation of procedure False [2018-06-22 11:39:45,579 INFO ]: Specification and implementation of procedure failDLRunknownCLN3 given in one single declaration [2018-06-22 11:39:45,579 INFO ]: Found specification of procedure failDLRunknownCLN3 [2018-06-22 11:39:45,579 INFO ]: Found implementation of procedure failDLRunknownCLN3 [2018-06-22 11:39:45,579 INFO ]: Specification and implementation of procedure zero_1039DLRunknownCLN155 given in one single declaration [2018-06-22 11:39:45,579 INFO ]: Found specification of procedure zero_1039DLRunknownCLN155 [2018-06-22 11:39:45,579 INFO ]: Found implementation of procedure zero_1039DLRunknownCLN155 [2018-06-22 11:39:45,579 INFO ]: Specification and implementation of procedure two_1036DLRunknownCLN121 given in one single declaration [2018-06-22 11:39:45,579 INFO ]: Found specification of procedure two_1036DLRunknownCLN121 [2018-06-22 11:39:45,579 INFO ]: Found implementation of procedure two_1036DLRunknownCLN121 [2018-06-22 11:39:45,579 INFO ]: Specification and implementation of procedure two_1036DLRunknownCLN80 given in one single declaration [2018-06-22 11:39:45,580 INFO ]: Found specification of procedure two_1036DLRunknownCLN80 [2018-06-22 11:39:45,580 INFO ]: Found implementation of procedure two_1036DLRunknownCLN80 [2018-06-22 11:39:45,580 INFO ]: Specification and implementation of procedure succ_1030DLRunknownCLN32 given in one single declaration [2018-06-22 11:39:45,580 INFO ]: Found specification of procedure succ_1030DLRunknownCLN32 [2018-06-22 11:39:45,580 INFO ]: Found implementation of procedure succ_1030DLRunknownCLN32 [2018-06-22 11:39:45,580 INFO ]: Specification and implementation of procedure succ_1030DLRunknownCLN45 given in one single declaration [2018-06-22 11:39:45,580 INFO ]: Found specification of procedure succ_1030DLRunknownCLN45 [2018-06-22 11:39:45,580 INFO ]: Found implementation of procedure succ_1030DLRunknownCLN45 [2018-06-22 11:39:45,580 INFO ]: Specification and implementation of procedure two_1036DLRunknownCLN93 given in one single declaration [2018-06-22 11:39:45,580 INFO ]: Found specification of procedure two_1036DLRunknownCLN93 [2018-06-22 11:39:45,580 INFO ]: Found implementation of procedure two_1036DLRunknownCLN93 [2018-06-22 11:39:45,580 INFO ]: Specification and implementation of procedure two_1036DLRunknownCLN134 given in one single declaration [2018-06-22 11:39:45,580 INFO ]: Found specification of procedure two_1036DLRunknownCLN134 [2018-06-22 11:39:45,580 INFO ]: Found implementation of procedure two_1036DLRunknownCLN134 [2018-06-22 11:39:45,580 INFO ]: Specification and implementation of procedure id_1034DLRunknownCLN9 given in one single declaration [2018-06-22 11:39:45,580 INFO ]: Found specification of procedure id_1034DLRunknownCLN9 [2018-06-22 11:39:45,580 INFO ]: Found implementation of procedure id_1034DLRunknownCLN9 [2018-06-22 11:39:45,580 INFO ]: Specification and implementation of procedure two_1036DLRunknownCLN76 given in one single declaration [2018-06-22 11:39:45,580 INFO ]: Found specification of procedure two_1036DLRunknownCLN76 [2018-06-22 11:39:45,580 INFO ]: Found implementation of procedure two_1036DLRunknownCLN76 [2018-06-22 11:39:45,580 INFO ]: Specification and implementation of procedure succ_1030DLRunknownCLN28 given in one single declaration [2018-06-22 11:39:45,580 INFO ]: Found specification of procedure succ_1030DLRunknownCLN28 [2018-06-22 11:39:45,580 INFO ]: Found implementation of procedure succ_1030DLRunknownCLN28 [2018-06-22 11:39:45,580 INFO ]: Specification and implementation of procedure succ_1030DLRunknownCLN49 given in one single declaration [2018-06-22 11:39:45,580 INFO ]: Found specification of procedure succ_1030DLRunknownCLN49 [2018-06-22 11:39:45,580 INFO ]: Found implementation of procedure succ_1030DLRunknownCLN49 [2018-06-22 11:39:45,580 INFO ]: Specification and implementation of procedure two_1036DLRunknownCLN97 given in one single declaration [2018-06-22 11:39:45,580 INFO ]: Found specification of procedure two_1036DLRunknownCLN97 [2018-06-22 11:39:45,580 INFO ]: Found implementation of procedure two_1036DLRunknownCLN97 [2018-06-22 11:39:45,580 INFO ]: Specification and implementation of procedure two_1036DLRunknownCLN138 given in one single declaration [2018-06-22 11:39:45,580 INFO ]: Found specification of procedure two_1036DLRunknownCLN138 [2018-06-22 11:39:45,580 INFO ]: Found implementation of procedure two_1036DLRunknownCLN138 [2018-06-22 11:39:45,580 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 11:39:45,580 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 11:39:45,580 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 [2018-06-22 11:39:46,975 INFO ]: Using library mode [2018-06-22 11:39:46,976 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:39:46 BoogieIcfgContainer [2018-06-22 11:39:46,976 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 11:39:46,981 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 11:39:46,981 INFO ]: Initializing TraceAbstraction... [2018-06-22 11:39:46,987 INFO ]: TraceAbstraction initialized [2018-06-22 11:39:46,988 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:39:45" (1/3) ... [2018-06-22 11:39:46,988 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c25cb10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 11:39:46, skipping insertion in model container [2018-06-22 11:39:46,988 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:39:45" (2/3) ... [2018-06-22 11:39:46,989 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c25cb10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 11:39:46, skipping insertion in model container [2018-06-22 11:39:46,989 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:39:46" (3/3) ... [2018-06-22 11:39:46,990 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 11:39:47,001 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 11:39:47,011 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 11:39:47,062 INFO ]: Using default assertion order modulation [2018-06-22 11:39:47,062 INFO ]: Interprodecural is true [2018-06-22 11:39:47,062 INFO ]: Hoare is false [2018-06-22 11:39:47,062 INFO ]: Compute interpolants for FPandBP [2018-06-22 11:39:47,063 INFO ]: Backedges is TWOTRACK [2018-06-22 11:39:47,063 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 11:39:47,063 INFO ]: Difference is false [2018-06-22 11:39:47,063 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 11:39:47,063 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 11:39:47,083 INFO ]: Start isEmpty. Operand 68 states. [2018-06-22 11:39:47,102 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-22 11:39:47,102 INFO ]: Found error trace [2018-06-22 11:39:47,103 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-22 11:39:47,105 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:39:47,110 INFO ]: Analyzing trace with hash 804467191, now seen corresponding path program 1 times [2018-06-22 11:39:47,112 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:39:47,112 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:39:47,146 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:39:47,146 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:39:47,146 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:39:47,162 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:39:47,184 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 11:39:47,187 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:39:47,187 INFO ]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-06-22 11:39:47,189 INFO ]: Interpolant automaton has 2 states [2018-06-22 11:39:47,203 INFO ]: Constructing interpolant automaton starting with 2 interpolants. [2018-06-22 11:39:47,204 INFO ]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 11:39:47,206 INFO ]: Start difference. First operand 68 states. Second operand 2 states. [2018-06-22 11:39:47,242 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:39:47,242 INFO ]: Finished difference Result 66 states and 71 transitions. [2018-06-22 11:39:47,242 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-06-22 11:39:47,243 INFO ]: Start accepts. Automaton has 2 states. Word has length 5 [2018-06-22 11:39:47,243 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:39:47,259 INFO ]: With dead ends: 66 [2018-06-22 11:39:47,259 INFO ]: Without dead ends: 66 [2018-06-22 11:39:47,261 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 11:39:47,278 INFO ]: Start minimizeSevpa. Operand 66 states. [2018-06-22 11:39:47,300 INFO ]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-06-22 11:39:47,301 INFO ]: Start removeUnreachable. Operand 66 states. [2018-06-22 11:39:47,303 INFO ]: Finished removeUnreachable. Reduced from 66 states to 66 states and 71 transitions. [2018-06-22 11:39:47,304 INFO ]: Start accepts. Automaton has 66 states and 71 transitions. Word has length 5 [2018-06-22 11:39:47,304 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:39:47,305 INFO ]: Abstraction has 66 states and 71 transitions. [2018-06-22 11:39:47,305 INFO ]: Interpolant automaton has 2 states. [2018-06-22 11:39:47,305 INFO ]: Start isEmpty. Operand 66 states and 71 transitions. [2018-06-22 11:39:47,308 INFO ]: Finished isEmpty. Found accepting run of length 54 [2018-06-22 11:39:47,308 INFO ]: Found error trace [2018-06-22 11:39:47,312 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 11:39:47,312 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:39:47,312 INFO ]: Analyzing trace with hash -564082806, now seen corresponding path program 1 times [2018-06-22 11:39:47,312 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:39:47,312 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:39:47,313 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:39:47,313 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:39:47,313 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:39:47,359 ERROR]: Caught known exception: Unsupported non-linear arithmetic [2018-06-22 11:39:47,359 INFO ]: Advancing trace checker [2018-06-22 11:39:47,359 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-06-22 11:39:47,376 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:39:47,552 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:39:47,568 INFO ]: Computing forward predicates... [2018-06-22 11:39:48,036 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 11:39:48,069 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:39:48,069 INFO ]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-06-22 11:39:48,070 INFO ]: Interpolant automaton has 10 states [2018-06-22 11:39:48,071 INFO ]: Constructing interpolant automaton starting with 10 interpolants. [2018-06-22 11:39:48,071 INFO ]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-06-22 11:39:48,071 INFO ]: Start difference. First operand 66 states and 71 transitions. Second operand 10 states. [2018-06-22 11:39:48,186 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:39:48,186 INFO ]: Finished difference Result 60 states and 65 transitions. [2018-06-22 11:39:48,187 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-06-22 11:39:48,187 INFO ]: Start accepts. Automaton has 10 states. Word has length 53 [2018-06-22 11:39:48,187 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:39:48,187 INFO ]: With dead ends: 60 [2018-06-22 11:39:48,187 INFO ]: Without dead ends: 0 [2018-06-22 11:39:48,188 INFO ]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-06-22 11:39:48,188 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 11:39:48,188 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 11:39:48,188 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 11:39:48,188 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 11:39:48,188 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2018-06-22 11:39:48,188 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:39:48,188 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 11:39:48,189 INFO ]: Interpolant automaton has 10 states. [2018-06-22 11:39:48,189 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 11:39:48,189 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 11:39:48,193 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 11:39:48 BoogieIcfgContainer [2018-06-22 11:39:48,193 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 11:39:48,194 INFO ]: Toolchain (without parser) took 2822.93 ms. Allocated memory was 309.9 MB in the beginning and 331.4 MB in the end (delta: 21.5 MB). Free memory was 213.4 MB in the beginning and 197.4 MB in the end (delta: 16.0 MB). Peak memory consumption was 37.5 MB. Max. memory is 3.6 GB. [2018-06-22 11:39:48,195 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 309.9 MB. Free memory is still 275.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 11:39:48,195 INFO ]: ChcToBoogie took 82.24 ms. Allocated memory is still 309.9 MB. Free memory was 213.4 MB in the beginning and 210.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 3.6 GB. [2018-06-22 11:39:48,196 INFO ]: Boogie Preprocessor took 89.51 ms. Allocated memory is still 309.9 MB. Free memory was 210.3 MB in the beginning and 208.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:39:48,196 INFO ]: RCFGBuilder took 1426.00 ms. Allocated memory was 309.9 MB in the beginning and 331.4 MB in the end (delta: 21.5 MB). Free memory was 208.3 MB in the beginning and 268.6 MB in the end (delta: -60.3 MB). Peak memory consumption was 24.6 MB. Max. memory is 3.6 GB. [2018-06-22 11:39:48,196 INFO ]: TraceAbstraction took 1212.09 ms. Allocated memory is still 331.4 MB. Free memory was 268.6 MB in the beginning and 197.4 MB in the end (delta: 71.2 MB). Peak memory consumption was 71.2 MB. Max. memory is 3.6 GB. [2018-06-22 11:39:48,198 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 309.9 MB. Free memory is still 275.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 82.24 ms. Allocated memory is still 309.9 MB. Free memory was 213.4 MB in the beginning and 210.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 89.51 ms. Allocated memory is still 309.9 MB. Free memory was 210.3 MB in the beginning and 208.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 1426.00 ms. Allocated memory was 309.9 MB in the beginning and 331.4 MB in the end (delta: 21.5 MB). Free memory was 208.3 MB in the beginning and 268.6 MB in the end (delta: -60.3 MB). Peak memory consumption was 24.6 MB. Max. memory is 3.6 GB. * TraceAbstraction took 1212.09 ms. Allocated memory is still 331.4 MB. Free memory was 268.6 MB in the beginning and 197.4 MB in the end (delta: 71.2 MB). Peak memory consumption was 71.2 MB. 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 16 procedures, 68 locations, 1 error locations. SAFE Result, 1.1s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 128 SDtfs, 0 SDslu, 436 SDs, 0 SdLazy, 75 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 4436 SizeOfPredicates, 0 NumberOfNonLiveVariables, 786 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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/churchNum03.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_11-39-48-207.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/churchNum03.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_11-39-48-207.csv Received shutdown request...