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/CE-0CFA01.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 11:38:35,405 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 11:38:35,407 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 11:38:35,417 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 11:38:35,417 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 11:38:35,418 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 11:38:35,419 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 11:38:35,421 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 11:38:35,422 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 11:38:35,423 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 11:38:35,424 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 11:38:35,424 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 11:38:35,425 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 11:38:35,426 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 11:38:35,426 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 11:38:35,427 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 11:38:35,429 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 11:38:35,431 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 11:38:35,432 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 11:38:35,433 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 11:38:35,434 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 11:38:35,437 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 11:38:35,437 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 11:38:35,437 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 11:38:35,438 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 11:38:35,439 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 11:38:35,439 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 11:38:35,440 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 11:38:35,441 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 11:38:35,441 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 11:38:35,442 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 11:38:35,443 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 11:38:35,443 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 11:38:35,444 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 11:38:35,444 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 11:38:35,444 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 11:38:35,457 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 11:38:35,457 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 11:38:35,458 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 11:38:35,458 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 11:38:35,459 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 11:38:35,459 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 11:38:35,459 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 11:38:35,459 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 11:38:35,459 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 11:38:35,460 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 11:38:35,460 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 11:38:35,460 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 11:38:35,460 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 11:38:35,460 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 11:38:35,461 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 11:38:35,461 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 11:38:35,461 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 11:38:35,461 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 11:38:35,461 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 11:38:35,462 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 11:38:35,463 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 11:38:35,500 INFO ]: Repository-Root is: /tmp [2018-06-22 11:38:35,512 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 11:38:35,515 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 11:38:35,519 INFO ]: Initializing SmtParser... [2018-06-22 11:38:35,526 INFO ]: SmtParser initialized [2018-06-22 11:38:35,526 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/hopv/lia/termination/CE-0CFA01.smt2 [2018-06-22 11:38:35,528 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 11:38:35,617 INFO ]: Executing SMT file /storage/chc-comp/hopv/lia/termination/CE-0CFA01.smt2 unknown [2018-06-22 11:38:36,068 INFO ]: Succesfully executed SMT file /storage/chc-comp/hopv/lia/termination/CE-0CFA01.smt2 [2018-06-22 11:38:36,082 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 11:38:36,087 INFO ]: Walking toolchain with 4 elements. [2018-06-22 11:38:36,088 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 11:38:36,088 INFO ]: Initializing ChcToBoogie... [2018-06-22 11:38:36,088 INFO ]: ChcToBoogie initialized [2018-06-22 11:38:36,091 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:38:36" (1/1) ... [2018-06-22 11:38:36,141 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:38:36 Unit [2018-06-22 11:38:36,142 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 11:38:36,142 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 11:38:36,142 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 11:38:36,142 INFO ]: Boogie Preprocessor initialized [2018-06-22 11:38:36,169 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:38:36" (1/1) ... [2018-06-22 11:38:36,169 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:38:36" (1/1) ... [2018-06-22 11:38:36,186 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:38:36" (1/1) ... [2018-06-22 11:38:36,186 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:38:36" (1/1) ... [2018-06-22 11:38:36,199 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:38:36" (1/1) ... [2018-06-22 11:38:36,208 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:38:36" (1/1) ... [2018-06-22 11:38:36,209 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:38:36" (1/1) ... [2018-06-22 11:38:36,211 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 11:38:36,212 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 11:38:36,212 INFO ]: Initializing RCFGBuilder... [2018-06-22 11:38:36,212 INFO ]: RCFGBuilder initialized [2018-06-22 11:38:36,213 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:38:36" (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 11:38:36,235 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 11:38:36,235 INFO ]: Found specification of procedure False [2018-06-22 11:38:36,235 INFO ]: Found implementation of procedure False [2018-06-22 11:38:36,235 INFO ]: Specification and implementation of procedure failDLRunknownCLN25 given in one single declaration [2018-06-22 11:38:36,235 INFO ]: Found specification of procedure failDLRunknownCLN25 [2018-06-22 11:38:36,235 INFO ]: Found implementation of procedure failDLRunknownCLN25 [2018-06-22 11:38:36,236 INFO ]: Specification and implementation of procedure id_1030DLRunknownCLN29 given in one single declaration [2018-06-22 11:38:36,236 INFO ]: Found specification of procedure id_1030DLRunknownCLN29 [2018-06-22 11:38:36,236 INFO ]: Found implementation of procedure id_1030DLRunknownCLN29 [2018-06-22 11:38:36,236 INFO ]: Specification and implementation of procedure f_1034DLRunknownCLN19 given in one single declaration [2018-06-22 11:38:36,236 INFO ]: Found specification of procedure f_1034DLRunknownCLN19 [2018-06-22 11:38:36,236 INFO ]: Found implementation of procedure f_1034DLRunknownCLN19 [2018-06-22 11:38:36,236 INFO ]: Specification and implementation of procedure f_1034DLRunknownCLN23 given in one single declaration [2018-06-22 11:38:36,236 INFO ]: Found specification of procedure f_1034DLRunknownCLN23 [2018-06-22 11:38:36,236 INFO ]: Found implementation of procedure f_1034DLRunknownCLN23 [2018-06-22 11:38:36,236 INFO ]: Specification and implementation of procedure f_1034DLRunknownCLN10 given in one single declaration [2018-06-22 11:38:36,236 INFO ]: Found specification of procedure f_1034DLRunknownCLN10 [2018-06-22 11:38:36,236 INFO ]: Found implementation of procedure f_1034DLRunknownCLN10 [2018-06-22 11:38:36,236 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 11:38:36,236 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 11:38:36,236 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 11:38:36,724 INFO ]: Using library mode [2018-06-22 11:38:36,725 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:38:36 BoogieIcfgContainer [2018-06-22 11:38:36,725 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 11:38:36,727 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 11:38:36,727 INFO ]: Initializing TraceAbstraction... [2018-06-22 11:38:36,729 INFO ]: TraceAbstraction initialized [2018-06-22 11:38:36,730 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:38:36" (1/3) ... [2018-06-22 11:38:36,730 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6cdca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 11:38:36, skipping insertion in model container [2018-06-22 11:38:36,730 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:38:36" (2/3) ... [2018-06-22 11:38:36,731 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6cdca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 11:38:36, skipping insertion in model container [2018-06-22 11:38:36,731 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:38:36" (3/3) ... [2018-06-22 11:38:36,733 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 11:38:36,742 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 11:38:36,750 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 11:38:36,788 INFO ]: Using default assertion order modulation [2018-06-22 11:38:36,789 INFO ]: Interprodecural is true [2018-06-22 11:38:36,789 INFO ]: Hoare is false [2018-06-22 11:38:36,789 INFO ]: Compute interpolants for FPandBP [2018-06-22 11:38:36,789 INFO ]: Backedges is TWOTRACK [2018-06-22 11:38:36,789 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 11:38:36,789 INFO ]: Difference is false [2018-06-22 11:38:36,789 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 11:38:36,789 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 11:38:36,806 INFO ]: Start isEmpty. Operand 28 states. [2018-06-22 11:38:36,817 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-22 11:38:36,817 INFO ]: Found error trace [2018-06-22 11:38:36,818 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-22 11:38:36,818 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:38:36,823 INFO ]: Analyzing trace with hash 229410740, now seen corresponding path program 1 times [2018-06-22 11:38:36,825 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:38:36,825 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:38:36,862 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:38:36,862 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:38:36,862 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:38:36,874 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:38:36,897 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 11:38:36,899 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:38:36,899 INFO ]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-06-22 11:38:36,901 INFO ]: Interpolant automaton has 2 states [2018-06-22 11:38:36,917 INFO ]: Constructing interpolant automaton starting with 2 interpolants. [2018-06-22 11:38:36,917 INFO ]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 11:38:36,920 INFO ]: Start difference. First operand 28 states. Second operand 2 states. [2018-06-22 11:38:36,944 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:38:36,944 INFO ]: Finished difference Result 24 states and 23 transitions. [2018-06-22 11:38:36,944 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-06-22 11:38:36,945 INFO ]: Start accepts. Automaton has 2 states. Word has length 5 [2018-06-22 11:38:36,945 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:38:36,953 INFO ]: With dead ends: 24 [2018-06-22 11:38:36,953 INFO ]: Without dead ends: 22 [2018-06-22 11:38:36,967 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 11:38:36,982 INFO ]: Start minimizeSevpa. Operand 22 states. [2018-06-22 11:38:36,997 INFO ]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-06-22 11:38:36,999 INFO ]: Start removeUnreachable. Operand 22 states. [2018-06-22 11:38:37,000 INFO ]: Finished removeUnreachable. Reduced from 22 states to 22 states and 21 transitions. [2018-06-22 11:38:37,001 INFO ]: Start accepts. Automaton has 22 states and 21 transitions. Word has length 5 [2018-06-22 11:38:37,001 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:38:37,001 INFO ]: Abstraction has 22 states and 21 transitions. [2018-06-22 11:38:37,001 INFO ]: Interpolant automaton has 2 states. [2018-06-22 11:38:37,001 INFO ]: Start isEmpty. Operand 22 states and 21 transitions. [2018-06-22 11:38:37,001 INFO ]: Finished isEmpty. Found accepting run of length 22 [2018-06-22 11:38:37,001 INFO ]: Found error trace [2018-06-22 11:38:37,001 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 11:38:37,001 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:38:37,002 INFO ]: Analyzing trace with hash 286208108, now seen corresponding path program 1 times [2018-06-22 11:38:37,002 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:38:37,002 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:38:37,003 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:38:37,003 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:38:37,003 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:38:37,044 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:38:37,307 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 11:38:37,308 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:38:37,308 INFO ]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-06-22 11:38:37,309 INFO ]: Interpolant automaton has 6 states [2018-06-22 11:38:37,309 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-22 11:38:37,309 INFO ]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 11:38:37,310 INFO ]: Start difference. First operand 22 states and 21 transitions. Second operand 6 states. [2018-06-22 11:38:37,388 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:38:37,388 INFO ]: Finished difference Result 16 states and 15 transitions. [2018-06-22 11:38:37,388 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-22 11:38:37,388 INFO ]: Start accepts. Automaton has 6 states. Word has length 21 [2018-06-22 11:38:37,389 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:38:37,389 INFO ]: With dead ends: 16 [2018-06-22 11:38:37,389 INFO ]: Without dead ends: 0 [2018-06-22 11:38:37,389 INFO ]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 11:38:37,389 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 11:38:37,389 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 11:38:37,390 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 11:38:37,390 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 11:38:37,390 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2018-06-22 11:38:37,390 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:38:37,390 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 11:38:37,390 INFO ]: Interpolant automaton has 6 states. [2018-06-22 11:38:37,390 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 11:38:37,390 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 11:38:37,394 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 11:38:37 BoogieIcfgContainer [2018-06-22 11:38:37,394 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 11:38:37,395 INFO ]: Toolchain (without parser) took 1312.99 ms. Allocated memory is still 301.5 MB. Free memory was 245.1 MB in the beginning and 202.1 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:38:37,398 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 301.5 MB. Free memory is still 267.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 11:38:37,406 INFO ]: ChcToBoogie took 54.09 ms. Allocated memory is still 301.5 MB. Free memory was 245.1 MB in the beginning and 243.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:38:37,407 INFO ]: Boogie Preprocessor took 69.22 ms. Allocated memory is still 301.5 MB. Free memory was 243.1 MB in the beginning and 241.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:38:37,407 INFO ]: RCFGBuilder took 513.03 ms. Allocated memory is still 301.5 MB. Free memory was 241.1 MB in the beginning and 226.1 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:38:37,408 INFO ]: TraceAbstraction took 667.93 ms. Allocated memory is still 301.5 MB. Free memory was 226.1 MB in the beginning and 202.1 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:38:37,418 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 301.5 MB. Free memory is still 267.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 54.09 ms. Allocated memory is still 301.5 MB. Free memory was 245.1 MB in the beginning and 243.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 69.22 ms. Allocated memory is still 301.5 MB. Free memory was 243.1 MB in the beginning and 241.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 513.03 ms. Allocated memory is still 301.5 MB. Free memory was 241.1 MB in the beginning and 226.1 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 667.93 ms. Allocated memory is still 301.5 MB. Free memory was 226.1 MB in the beginning and 202.1 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 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 7 procedures, 28 locations, 1 error locations. SAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 36 SDtfs, 0 SDslu, 44 SDs, 0 SdLazy, 11 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 1196 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/CE-0CFA01.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_11-38-37-436.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/CE-0CFA01.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_11-38-37-436.csv Received shutdown request...