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/binomial05.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 11:38:29,066 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 11:38:29,071 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 11:38:29,083 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 11:38:29,083 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 11:38:29,084 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 11:38:29,087 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 11:38:29,089 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 11:38:29,090 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 11:38:29,092 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 11:38:29,093 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 11:38:29,093 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 11:38:29,094 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 11:38:29,097 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 11:38:29,098 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 11:38:29,098 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 11:38:29,108 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 11:38:29,110 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 11:38:29,111 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 11:38:29,112 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 11:38:29,115 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 11:38:29,118 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 11:38:29,118 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 11:38:29,118 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 11:38:29,121 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 11:38:29,122 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 11:38:29,123 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 11:38:29,123 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 11:38:29,127 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 11:38:29,127 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 11:38:29,128 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 11:38:29,129 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 11:38:29,129 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 11:38:29,130 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 11:38:29,130 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 11:38:29,130 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 11:38:29,146 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 11:38:29,146 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 11:38:29,146 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 11:38:29,146 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 11:38:29,147 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 11:38:29,147 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 11:38:29,148 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 11:38:29,148 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 11:38:29,148 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 11:38:29,148 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 11:38:29,148 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 11:38:29,149 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 11:38:29,149 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 11:38:29,149 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 11:38:29,149 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 11:38:29,149 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 11:38:29,150 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 11:38:29,150 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 11:38:29,150 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 11:38:29,151 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 11:38:29,151 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 11:38:29,199 INFO ]: Repository-Root is: /tmp [2018-06-22 11:38:29,217 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 11:38:29,222 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 11:38:29,223 INFO ]: Initializing SmtParser... [2018-06-22 11:38:29,224 INFO ]: SmtParser initialized [2018-06-22 11:38:29,225 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/hopv/lia/termination/binomial05.smt2 [2018-06-22 11:38:29,226 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 11:38:29,314 INFO ]: Executing SMT file /storage/chc-comp/hopv/lia/termination/binomial05.smt2 unknown [2018-06-22 11:38:29,979 INFO ]: Succesfully executed SMT file /storage/chc-comp/hopv/lia/termination/binomial05.smt2 [2018-06-22 11:38:29,983 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 11:38:29,993 INFO ]: Walking toolchain with 4 elements. [2018-06-22 11:38:29,993 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 11:38:29,993 INFO ]: Initializing ChcToBoogie... [2018-06-22 11:38:29,993 INFO ]: ChcToBoogie initialized [2018-06-22 11:38:29,996 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:38:29" (1/1) ... [2018-06-22 11:38:30,088 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:38:30 Unit [2018-06-22 11:38:30,088 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 11:38:30,089 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 11:38:30,090 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 11:38:30,090 INFO ]: Boogie Preprocessor initialized [2018-06-22 11:38:30,111 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:38:30" (1/1) ... [2018-06-22 11:38:30,111 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:38:30" (1/1) ... [2018-06-22 11:38:30,120 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:38:30" (1/1) ... [2018-06-22 11:38:30,121 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:38:30" (1/1) ... [2018-06-22 11:38:30,132 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:38:30" (1/1) ... [2018-06-22 11:38:30,140 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:38:30" (1/1) ... [2018-06-22 11:38:30,144 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:38:30" (1/1) ... [2018-06-22 11:38:30,149 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 11:38:30,150 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 11:38:30,150 INFO ]: Initializing RCFGBuilder... [2018-06-22 11:38:30,150 INFO ]: RCFGBuilder initialized [2018-06-22 11:38:30,151 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:38:30" (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 11:38:30,164 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 11:38:30,165 INFO ]: Found specification of procedure False [2018-06-22 11:38:30,165 INFO ]: Found implementation of procedure False [2018-06-22 11:38:30,165 INFO ]: Specification and implementation of procedure failDLRunknownCLN30 given in one single declaration [2018-06-22 11:38:30,165 INFO ]: Found specification of procedure failDLRunknownCLN30 [2018-06-22 11:38:30,165 INFO ]: Found implementation of procedure failDLRunknownCLN30 [2018-06-22 11:38:30,165 INFO ]: Specification and implementation of procedure bin_1030DLRunknownCLN17 given in one single declaration [2018-06-22 11:38:30,165 INFO ]: Found specification of procedure bin_1030DLRunknownCLN17 [2018-06-22 11:38:30,165 INFO ]: Found implementation of procedure bin_1030DLRunknownCLN17 [2018-06-22 11:38:30,165 INFO ]: Specification and implementation of procedure bin_without_checking_1089DLRunknownCLN26 given in one single declaration [2018-06-22 11:38:30,165 INFO ]: Found specification of procedure bin_without_checking_1089DLRunknownCLN26 [2018-06-22 11:38:30,165 INFO ]: Found implementation of procedure bin_without_checking_1089DLRunknownCLN26 [2018-06-22 11:38:30,165 INFO ]: Specification and implementation of procedure main_1033DLRunknownCLN37 given in one single declaration [2018-06-22 11:38:30,165 INFO ]: Found specification of procedure main_1033DLRunknownCLN37 [2018-06-22 11:38:30,165 INFO ]: Found implementation of procedure main_1033DLRunknownCLN37 [2018-06-22 11:38:30,165 INFO ]: Specification and implementation of procedure bin_1030DLRunknownCLN8 given in one single declaration [2018-06-22 11:38:30,165 INFO ]: Found specification of procedure bin_1030DLRunknownCLN8 [2018-06-22 11:38:30,165 INFO ]: Found implementation of procedure bin_1030DLRunknownCLN8 [2018-06-22 11:38:30,165 INFO ]: Specification and implementation of procedure failDLRunknownCLN31 given in one single declaration [2018-06-22 11:38:30,165 INFO ]: Found specification of procedure failDLRunknownCLN31 [2018-06-22 11:38:30,165 INFO ]: Found implementation of procedure failDLRunknownCLN31 [2018-06-22 11:38:30,165 INFO ]: Specification and implementation of procedure botDLRunknownCLN29 given in one single declaration [2018-06-22 11:38:30,165 INFO ]: Found specification of procedure botDLRunknownCLN29 [2018-06-22 11:38:30,165 INFO ]: Found implementation of procedure botDLRunknownCLN29 [2018-06-22 11:38:30,165 INFO ]: Specification and implementation of procedure bin_1030DLRunknownCLN18 given in one single declaration [2018-06-22 11:38:30,165 INFO ]: Found specification of procedure bin_1030DLRunknownCLN18 [2018-06-22 11:38:30,166 INFO ]: Found implementation of procedure bin_1030DLRunknownCLN18 [2018-06-22 11:38:30,166 INFO ]: Specification and implementation of procedure bin_1030DLRunknownCLN9 given in one single declaration [2018-06-22 11:38:30,166 INFO ]: Found specification of procedure bin_1030DLRunknownCLN9 [2018-06-22 11:38:30,166 INFO ]: Found implementation of procedure bin_1030DLRunknownCLN9 [2018-06-22 11:38:30,166 INFO ]: Specification and implementation of procedure bin_without_checking_1089DLRunknownCLN27 given in one single declaration [2018-06-22 11:38:30,166 INFO ]: Found specification of procedure bin_without_checking_1089DLRunknownCLN27 [2018-06-22 11:38:30,166 INFO ]: Found implementation of procedure bin_without_checking_1089DLRunknownCLN27 [2018-06-22 11:38:30,166 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 11:38:30,166 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 11:38:30,166 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 11:38:31,292 INFO ]: Using library mode [2018-06-22 11:38:31,293 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:38:31 BoogieIcfgContainer [2018-06-22 11:38:31,293 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 11:38:31,295 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 11:38:31,296 INFO ]: Initializing TraceAbstraction... [2018-06-22 11:38:31,302 INFO ]: TraceAbstraction initialized [2018-06-22 11:38:31,302 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:38:29" (1/3) ... [2018-06-22 11:38:31,303 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43308e00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 11:38:31, skipping insertion in model container [2018-06-22 11:38:31,303 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:38:30" (2/3) ... [2018-06-22 11:38:31,303 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43308e00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 11:38:31, skipping insertion in model container [2018-06-22 11:38:31,303 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:38:31" (3/3) ... [2018-06-22 11:38:31,306 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 11:38:31,316 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 11:38:31,327 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 11:38:31,371 INFO ]: Using default assertion order modulation [2018-06-22 11:38:31,371 INFO ]: Interprodecural is true [2018-06-22 11:38:31,371 INFO ]: Hoare is false [2018-06-22 11:38:31,371 INFO ]: Compute interpolants for FPandBP [2018-06-22 11:38:31,371 INFO ]: Backedges is TWOTRACK [2018-06-22 11:38:31,371 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 11:38:31,371 INFO ]: Difference is false [2018-06-22 11:38:31,371 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 11:38:31,371 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 11:38:31,388 INFO ]: Start isEmpty. Operand 68 states. [2018-06-22 11:38:31,406 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-22 11:38:31,406 INFO ]: Found error trace [2018-06-22 11:38:31,407 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-22 11:38:31,407 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:38:31,413 INFO ]: Analyzing trace with hash 364340740, now seen corresponding path program 1 times [2018-06-22 11:38:31,415 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:38:31,415 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:38:31,447 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:38:31,447 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:38:31,447 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:38:31,467 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:38:31,505 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 11:38:31,521 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:38:31,521 INFO ]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-06-22 11:38:31,523 INFO ]: Interpolant automaton has 2 states [2018-06-22 11:38:31,544 INFO ]: Constructing interpolant automaton starting with 2 interpolants. [2018-06-22 11:38:31,545 INFO ]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 11:38:31,548 INFO ]: Start difference. First operand 68 states. Second operand 2 states. [2018-06-22 11:38:31,576 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:38:31,576 INFO ]: Finished difference Result 57 states and 77 transitions. [2018-06-22 11:38:31,576 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-06-22 11:38:31,577 INFO ]: Start accepts. Automaton has 2 states. Word has length 5 [2018-06-22 11:38:31,578 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:38:31,589 INFO ]: With dead ends: 57 [2018-06-22 11:38:31,589 INFO ]: Without dead ends: 52 [2018-06-22 11:38:31,591 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 11:38:31,605 INFO ]: Start minimizeSevpa. Operand 52 states. [2018-06-22 11:38:31,645 INFO ]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-06-22 11:38:31,646 INFO ]: Start removeUnreachable. Operand 52 states. [2018-06-22 11:38:31,649 INFO ]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2018-06-22 11:38:31,704 INFO ]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 5 [2018-06-22 11:38:31,704 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:38:31,704 INFO ]: Abstraction has 52 states and 71 transitions. [2018-06-22 11:38:31,704 INFO ]: Interpolant automaton has 2 states. [2018-06-22 11:38:31,704 INFO ]: Start isEmpty. Operand 52 states and 71 transitions. [2018-06-22 11:38:31,707 INFO ]: Finished isEmpty. Found accepting run of length 22 [2018-06-22 11:38:31,707 INFO ]: Found error trace [2018-06-22 11:38:31,707 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 11:38:31,707 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:38:31,707 INFO ]: Analyzing trace with hash -382110514, now seen corresponding path program 1 times [2018-06-22 11:38:31,707 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:38:31,707 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:38:31,708 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:38:31,708 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:38:31,708 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:38:31,780 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:38:32,122 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 11:38:32,122 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:38:32,122 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 11:38:32,126 INFO ]: Interpolant automaton has 4 states [2018-06-22 11:38:32,126 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 11:38:32,126 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 11:38:32,127 INFO ]: Start difference. First operand 52 states and 71 transitions. Second operand 4 states. [2018-06-22 11:38:32,239 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:38:32,239 INFO ]: Finished difference Result 46 states and 65 transitions. [2018-06-22 11:38:32,239 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 11:38:32,239 INFO ]: Start accepts. Automaton has 4 states. Word has length 21 [2018-06-22 11:38:32,239 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:38:32,239 INFO ]: With dead ends: 46 [2018-06-22 11:38:32,239 INFO ]: Without dead ends: 0 [2018-06-22 11:38:32,240 INFO ]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 11:38:32,240 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 11:38:32,240 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 11:38:32,240 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 11:38:32,240 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 11:38:32,240 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2018-06-22 11:38:32,240 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:38:32,240 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 11:38:32,240 INFO ]: Interpolant automaton has 4 states. [2018-06-22 11:38:32,240 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 11:38:32,240 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 11:38:32,245 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 11:38:32 BoogieIcfgContainer [2018-06-22 11:38:32,246 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 11:38:32,246 INFO ]: Toolchain (without parser) took 2262.52 ms. Allocated memory was 305.1 MB in the beginning and 322.4 MB in the end (delta: 17.3 MB). Free memory was 230.5 MB in the beginning and 261.7 MB in the end (delta: -31.2 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 11:38:32,248 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 305.1 MB. Free memory is still 268.6 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 11:38:32,248 INFO ]: ChcToBoogie took 95.54 ms. Allocated memory is still 305.1 MB. Free memory was 230.5 MB in the beginning and 227.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:38:32,249 INFO ]: Boogie Preprocessor took 60.41 ms. Allocated memory is still 305.1 MB. Free memory was 227.5 MB in the beginning and 225.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:38:32,249 INFO ]: RCFGBuilder took 1143.09 ms. Allocated memory was 305.1 MB in the beginning and 322.4 MB in the end (delta: 17.3 MB). Free memory was 225.6 MB in the beginning and 289.3 MB in the end (delta: -63.8 MB). Peak memory consumption was 47.1 MB. Max. memory is 3.6 GB. [2018-06-22 11:38:32,250 INFO ]: TraceAbstraction took 950.11 ms. Allocated memory is still 322.4 MB. Free memory was 289.3 MB in the beginning and 261.7 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 3.6 GB. [2018-06-22 11:38:32,261 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 305.1 MB. Free memory is still 268.6 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 95.54 ms. Allocated memory is still 305.1 MB. Free memory was 230.5 MB in the beginning and 227.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 60.41 ms. Allocated memory is still 305.1 MB. Free memory was 227.5 MB in the beginning and 225.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 1143.09 ms. Allocated memory was 305.1 MB in the beginning and 322.4 MB in the end (delta: 17.3 MB). Free memory was 225.6 MB in the beginning and 289.3 MB in the end (delta: -63.8 MB). Peak memory consumption was 47.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 950.11 ms. Allocated memory is still 322.4 MB. Free memory was 289.3 MB in the beginning and 261.7 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 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 12 procedures, 68 locations, 1 error locations. SAFE Result, 0.8s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 138 SDtfs, 0 SDslu, 113 SDs, 0 SdLazy, 17 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s 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: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 1056 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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/binomial05.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_11-38-32-275.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/binomial05.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_11-38-32-275.csv Received shutdown request...