java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/programs/regression/bpl/AutomizerBpl-pdr.epf -i ../../../trunk/examples/programs/toy/nonlinear/PositiveValue-Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 16:27:27,233 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 16:27:27,235 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 16:27:27,247 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 16:27:27,247 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 16:27:27,248 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 16:27:27,249 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 16:27:27,251 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 16:27:27,253 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 16:27:27,254 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 16:27:27,255 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 16:27:27,255 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 16:27:27,256 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 16:27:27,257 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 16:27:27,258 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 16:27:27,259 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 16:27:27,260 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 16:27:27,262 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 16:27:27,264 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 16:27:27,265 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 16:27:27,269 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 16:27:27,271 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 16:27:27,273 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 16:27:27,273 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 16:27:27,273 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 16:27:27,275 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 16:27:27,275 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 16:27:27,276 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 16:27:27,277 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 16:27:27,278 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 16:27:27,278 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 16:27:27,279 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 16:27:27,279 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 16:27:27,279 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 16:27:27,280 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 16:27:27,281 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 16:27:27,281 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/AutomizerBpl-pdr.epf [2018-07-23 16:27:27,289 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 16:27:27,289 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 16:27:27,290 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 16:27:27,291 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 16:27:27,291 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 16:27:27,291 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 16:27:27,335 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 16:27:27,351 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 16:27:27,357 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 16:27:27,359 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 16:27:27,359 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 16:27:27,360 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/PositiveValue-Safe.bpl [2018-07-23 16:27:27,360 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/PositiveValue-Safe.bpl' [2018-07-23 16:27:27,399 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 16:27:27,401 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 16:27:27,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 16:27:27,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 16:27:27,401 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 16:27:27,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "PositiveValue-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:27:27" (1/1) ... [2018-07-23 16:27:27,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "PositiveValue-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:27:27" (1/1) ... [2018-07-23 16:27:27,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "PositiveValue-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:27:27" (1/1) ... [2018-07-23 16:27:27,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "PositiveValue-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:27:27" (1/1) ... [2018-07-23 16:27:27,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "PositiveValue-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:27:27" (1/1) ... [2018-07-23 16:27:27,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "PositiveValue-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:27:27" (1/1) ... [2018-07-23 16:27:27,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "PositiveValue-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:27:27" (1/1) ... [2018-07-23 16:27:27,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 16:27:27,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 16:27:27,453 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 16:27:27,453 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 16:27:27,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "PositiveValue-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:27:27" (1/1) ... No working directory specified, using /storage/repos/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 [2018-07-23 16:27:27,528 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-07-23 16:27:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 16:27:27,528 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 16:27:27,791 INFO L258 CfgBuilder]: Using library mode [2018-07-23 16:27:27,791 INFO L202 PluginConnector]: Adding new model PositiveValue-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:27:27 BoogieIcfgContainer [2018-07-23 16:27:27,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 16:27:27,793 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 16:27:27,793 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 16:27:27,796 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 16:27:27,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "PositiveValue-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 04:27:27" (1/2) ... [2018-07-23 16:27:27,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fdc6f4e and model type PositiveValue-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:27:27, skipping insertion in model container [2018-07-23 16:27:27,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "PositiveValue-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:27:27" (2/2) ... [2018-07-23 16:27:27,800 INFO L112 eAbstractionObserver]: Analyzing ICFG PositiveValue-Safe.bpl [2018-07-23 16:27:27,808 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 16:27:27,815 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 16:27:27,857 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 16:27:27,858 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 16:27:27,858 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 16:27:27,858 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 16:27:27,859 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 16:27:27,859 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 16:27:27,859 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 16:27:27,859 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 16:27:27,859 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 16:27:27,873 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2018-07-23 16:27:27,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-07-23 16:27:27,882 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:27:27,883 INFO L353 BasicCegarLoop]: trace histogram [1, 1] [2018-07-23 16:27:27,883 INFO L414 AbstractCegarLoop]: === Iteration 1 === [mainErr0AssertViolationASSERT]=== [2018-07-23 16:27:27,888 INFO L82 PathProgramCache]: Analyzing trace with hash 973, now seen corresponding path program 1 times [2018-07-23 16:27:27,895 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:27:27,992 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 16:27:27,992 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-07-23 16:27:27,997 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 16:27:28,002 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 16:27:28,003 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 16:27:28,005 INFO L87 Difference]: Start difference. First operand 4 states. Second operand 3 states. [2018-07-23 16:27:28,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 16:27:28,041 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2018-07-23 16:27:28,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 16:27:28,042 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2018-07-23 16:27:28,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 16:27:28,055 INFO L225 Difference]: With dead ends: 6 [2018-07-23 16:27:28,055 INFO L226 Difference]: Without dead ends: 4 [2018-07-23 16:27:28,059 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 16:27:28,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states. [2018-07-23 16:27:28,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2018-07-23 16:27:28,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-07-23 16:27:28,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-07-23 16:27:28,098 INFO L78 Accepts]: Start accepts. Automaton has 4 states and 4 transitions. Word has length 2 [2018-07-23 16:27:28,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 16:27:28,098 INFO L471 AbstractCegarLoop]: Abstraction has 4 states and 4 transitions. [2018-07-23 16:27:28,098 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 16:27:28,099 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-07-23 16:27:28,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-23 16:27:28,099 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:27:28,099 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-23 16:27:28,100 INFO L414 AbstractCegarLoop]: === Iteration 2 === [mainErr0AssertViolationASSERT]=== [2018-07-23 16:27:28,100 INFO L82 PathProgramCache]: Analyzing trace with hash 30330, now seen corresponding path program 1 times [2018-07-23 16:27:28,100 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:27:28,727 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 16:27:28,727 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-07-23 16:27:28,728 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 16:27:28,729 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 16:27:28,729 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-07-23 16:27:28,730 INFO L87 Difference]: Start difference. First operand 4 states and 4 transitions. Second operand 3 states. [2018-07-23 16:27:28,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 16:27:28,735 INFO L93 Difference]: Finished difference Result 4 states and 4 transitions. [2018-07-23 16:27:28,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 16:27:28,736 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-07-23 16:27:28,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 16:27:28,736 INFO L225 Difference]: With dead ends: 4 [2018-07-23 16:27:28,736 INFO L226 Difference]: Without dead ends: 0 [2018-07-23 16:27:28,738 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 31 SyntacticMatches, 8 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-07-23 16:27:28,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-23 16:27:28,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-23 16:27:28,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-23 16:27:28,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-23 16:27:28,739 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2018-07-23 16:27:28,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 16:27:28,739 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-23 16:27:28,739 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 16:27:28,739 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-23 16:27:28,740 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-23 16:27:28,744 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-23 16:27:28,812 INFO L417 ceAbstractionStarter]: At program point mainErr0AssertViolationASSERT(line 26) the Hoare annotation is: false [2018-07-23 16:27:28,812 INFO L421 ceAbstractionStarter]: For program point mainFINAL(lines 10 27) no Hoare annotation was computed. [2018-07-23 16:27:28,813 INFO L417 ceAbstractionStarter]: At program point mainEXIT(lines 10 27) the Hoare annotation is: (<= 0 main_x) [2018-07-23 16:27:28,813 INFO L424 ceAbstractionStarter]: At program point mainENTRY(lines 10 27) the Hoare annotation is: true [2018-07-23 16:27:28,813 INFO L417 ceAbstractionStarter]: At program point L19''(lines 17 25) the Hoare annotation is: (forall ((v_main_y_9 Int) (v_main_x_13 Int)) (or (<= 0 v_main_x_13) (let ((.cse0 (* main_y main_x))) (and (or (not (= main_x v_main_x_13)) (not (= v_main_y_9 .cse0))) (or (not (= v_main_x_13 .cse0)) (not (= v_main_y_9 main_y))))))) [2018-07-23 16:27:28,813 INFO L421 ceAbstractionStarter]: For program point L19(lines 19 23) no Hoare annotation was computed. [2018-07-23 16:27:28,818 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_x_13,QUANTIFIED] [2018-07-23 16:27:28,819 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_x_13,QUANTIFIED] [2018-07-23 16:27:28,820 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_y_9,QUANTIFIED] [2018-07-23 16:27:28,820 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_x_13,QUANTIFIED] [2018-07-23 16:27:28,820 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_y_9,QUANTIFIED] [2018-07-23 16:27:28,821 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_x_13,QUANTIFIED] [2018-07-23 16:27:28,821 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_x_13,QUANTIFIED] [2018-07-23 16:27:28,821 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_y_9,QUANTIFIED] [2018-07-23 16:27:28,821 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_x_13,QUANTIFIED] [2018-07-23 16:27:28,822 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_y_9,QUANTIFIED] [2018-07-23 16:27:28,824 INFO L202 PluginConnector]: Adding new model PositiveValue-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 04:27:28 BoogieIcfgContainer [2018-07-23 16:27:28,824 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 16:27:28,825 INFO L168 Benchmark]: Toolchain (without parser) took 1425.88 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-07-23 16:27:28,828 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 16:27:28,828 INFO L168 Benchmark]: Boogie Preprocessor took 51.11 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 16:27:28,829 INFO L168 Benchmark]: RCFGBuilder took 339.07 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-23 16:27:28,830 INFO L168 Benchmark]: TraceAbstraction took 1031.80 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-07-23 16:27:28,834 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.11 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 339.07 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1031.80 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_x_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_x_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_y_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_x_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_y_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_x_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_x_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_y_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_x_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_y_9,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 26]: 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 - InvariantResult [Line: 17]: Loop Invariant [2018-07-23 16:27:28,840 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_x_13,QUANTIFIED] [2018-07-23 16:27:28,841 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_x_13,QUANTIFIED] [2018-07-23 16:27:28,841 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_y_9,QUANTIFIED] [2018-07-23 16:27:28,841 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_x_13,QUANTIFIED] [2018-07-23 16:27:28,841 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_y_9,QUANTIFIED] [2018-07-23 16:27:28,842 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_x_13,QUANTIFIED] [2018-07-23 16:27:28,842 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_x_13,QUANTIFIED] [2018-07-23 16:27:28,842 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_y_9,QUANTIFIED] [2018-07-23 16:27:28,842 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_x_13,QUANTIFIED] [2018-07-23 16:27:28,842 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_y_9,QUANTIFIED] Derived loop invariant: (forall v_main_y_9 : int, v_main_x_13 : int :: 0 <= v_main_x_13 || ((!(x == v_main_x_13) || !(v_main_y_9 == y * x)) && (!(v_main_x_13 == y * x) || !(v_main_y_9 == y)))) - ProcedureContractResult [Line: 10]: Procedure Contract for main Derived contract for procedure main: 0 <= x - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. SAFE Result, 0.9s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 5 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 39 SyntacticMatches, 8 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4occurred 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: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 5 NumberOfFragments, 34 HoareAnnotationTreeSize, 4 FomulaSimplifications, 30 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.6s PdrRuntime, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/PositiveValue-Safe.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_16-27-28-848.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/PositiveValue-Safe.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_16-27-28-848.csv Received shutdown request...