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-nestedInterpolants.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/CountTillBound-Jupiter.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-935f392 [2018-07-23 13:50:36,088 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 13:50:36,090 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 13:50:36,101 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 13:50:36,102 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 13:50:36,103 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 13:50:36,104 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 13:50:36,106 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 13:50:36,107 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 13:50:36,108 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 13:50:36,109 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 13:50:36,109 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 13:50:36,110 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 13:50:36,111 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 13:50:36,112 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 13:50:36,113 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 13:50:36,114 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 13:50:36,116 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 13:50:36,118 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 13:50:36,119 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 13:50:36,120 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 13:50:36,122 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 13:50:36,124 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 13:50:36,124 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 13:50:36,125 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 13:50:36,125 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 13:50:36,126 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 13:50:36,127 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 13:50:36,128 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 13:50:36,129 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 13:50:36,129 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 13:50:36,130 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-23 13:50:36,133 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/AutomizerBpl-nestedInterpolants.epf [2018-07-23 13:50:36,146 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 13:50:36,147 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 13:50:36,148 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 13:50:36,148 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-23 13:50:36,148 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 13:50:36,148 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-23 13:50:36,149 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 13:50:36,149 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 13:50:36,190 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 13:50:36,203 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 13:50:36,207 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 13:50:36,209 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 13:50:36,209 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 13:50:36,210 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/CountTillBound-Jupiter.bpl [2018-07-23 13:50:36,210 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/CountTillBound-Jupiter.bpl' [2018-07-23 13:50:36,257 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 13:50:36,258 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 13:50:36,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 13:50:36,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 13:50:36,260 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 13:50:36,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:50:36" (1/1) ... [2018-07-23 13:50:36,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:50:36" (1/1) ... [2018-07-23 13:50:36,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:50:36" (1/1) ... [2018-07-23 13:50:36,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:50:36" (1/1) ... [2018-07-23 13:50:36,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:50:36" (1/1) ... [2018-07-23 13:50:36,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:50:36" (1/1) ... [2018-07-23 13:50:36,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:50:36" (1/1) ... [2018-07-23 13:50:36,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 13:50:36,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 13:50:36,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 13:50:36,312 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 13:50:36,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:50:36" (1/1) ... [2018-07-23 13:50:36,398 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-07-23 13:50:36,398 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 13:50:36,398 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 13:50:36,525 INFO L258 CfgBuilder]: Using library mode [2018-07-23 13:50:36,526 INFO L202 PluginConnector]: Adding new model CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:50:36 BoogieIcfgContainer [2018-07-23 13:50:36,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 13:50:36,528 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 13:50:36,528 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 13:50:36,531 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 13:50:36,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:50:36" (1/2) ... [2018-07-23 13:50:36,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@670138fc and model type CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:50:36, skipping insertion in model container [2018-07-23 13:50:36,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:50:36" (2/2) ... [2018-07-23 13:50:36,536 INFO L112 eAbstractionObserver]: Analyzing ICFG CountTillBound-Jupiter.bpl [2018-07-23 13:50:36,546 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-23 13:50:36,554 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 13:50:36,602 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 13:50:36,602 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 13:50:36,603 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 13:50:36,603 INFO L375 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-23 13:50:36,603 INFO L376 AbstractCegarLoop]: Backedges is CANONICAL [2018-07-23 13:50:36,603 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 13:50:36,604 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 13:50:36,604 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 13:50:36,604 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 13:50:36,619 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 13:50:36,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-23 13:50:36,627 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:36,628 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-23 13:50:36,629 INFO L414 AbstractCegarLoop]: === Iteration 1 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:50:36,634 INFO L82 PathProgramCache]: Analyzing trace with hash 30176, now seen corresponding path program 1 times [2018-07-23 13:50:36,641 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:36,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:36,706 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 13:50:36,706 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-23 13:50:36,708 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:36,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:36,708 INFO L185 omatonBuilderFactory]: Interpolants [9#true, 10#false, 11#(<= main_x 0)] [2018-07-23 13:50:36,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:36,710 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 13:50:36,721 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 13:50:36,722 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 13:50:36,724 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-07-23 13:50:36,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:36,751 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-23 13:50:36,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 13:50:36,752 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-07-23 13:50:36,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:36,765 INFO L225 Difference]: With dead ends: 10 [2018-07-23 13:50:36,765 INFO L226 Difference]: Without dead ends: 6 [2018-07-23 13:50:36,770 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 13:50:36,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2018-07-23 13:50:36,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2018-07-23 13:50:36,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-07-23 13:50:36,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2018-07-23 13:50:36,808 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 7 transitions. Word has length 3 [2018-07-23 13:50:36,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:36,809 INFO L471 AbstractCegarLoop]: Abstraction has 6 states and 7 transitions. [2018-07-23 13:50:36,809 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 13:50:36,809 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-07-23 13:50:36,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-07-23 13:50:36,810 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:36,810 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-07-23 13:50:36,810 INFO L414 AbstractCegarLoop]: === Iteration 2 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:50:36,811 INFO L82 PathProgramCache]: Analyzing trace with hash 28758310, now seen corresponding path program 1 times [2018-07-23 13:50:36,811 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:36,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:36,832 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:36,832 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-07-23 13:50:36,833 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:36,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:36,833 INFO L185 omatonBuilderFactory]: Interpolants [44#true, 45#false, 46#(<= main_x 0), 47#(<= main_x 1)] [2018-07-23 13:50:36,833 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:36,836 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 13:50:36,836 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 13:50:36,837 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:50:36,837 INFO L87 Difference]: Start difference. First operand 6 states and 7 transitions. Second operand 4 states. [2018-07-23 13:50:36,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:36,858 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2018-07-23 13:50:36,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 13:50:36,858 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2018-07-23 13:50:36,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:36,859 INFO L225 Difference]: With dead ends: 10 [2018-07-23 13:50:36,859 INFO L226 Difference]: Without dead ends: 8 [2018-07-23 13:50:36,861 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:50:36,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-07-23 13:50:36,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2018-07-23 13:50:36,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-07-23 13:50:36,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2018-07-23 13:50:36,864 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 10 transitions. Word has length 5 [2018-07-23 13:50:36,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:36,865 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 10 transitions. [2018-07-23 13:50:36,865 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 13:50:36,865 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2018-07-23 13:50:36,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-07-23 13:50:36,866 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:36,866 INFO L357 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2018-07-23 13:50:36,866 INFO L414 AbstractCegarLoop]: === Iteration 3 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:50:36,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1866691308, now seen corresponding path program 2 times [2018-07-23 13:50:36,867 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:36,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-07-23 13:50:36,945 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 13:50:36,945 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 13:50:36,945 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:36,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:36,946 INFO L185 omatonBuilderFactory]: Interpolants [84#true, 85#false, 86#(= main_y 42), 87#(and (= main_y 42) (<= main_x 100)), 88#(and (= main_y 42) (<= main_x 100) (<= 100 main_x))] [2018-07-23 13:50:36,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-07-23 13:50:36,946 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 13:50:36,946 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 13:50:36,947 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-23 13:50:36,947 INFO L87 Difference]: Start difference. First operand 8 states and 10 transitions. Second operand 5 states. [2018-07-23 13:50:36,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:36,962 INFO L93 Difference]: Finished difference Result 13 states and 18 transitions. [2018-07-23 13:50:36,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 13:50:36,963 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2018-07-23 13:50:36,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:36,963 INFO L225 Difference]: With dead ends: 13 [2018-07-23 13:50:36,963 INFO L226 Difference]: Without dead ends: 0 [2018-07-23 13:50:36,964 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-23 13:50:36,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-23 13:50:36,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-23 13:50:36,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-23 13:50:36,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-23 13:50:36,965 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2018-07-23 13:50:36,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:36,966 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-23 13:50:36,966 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 13:50:36,966 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-23 13:50:36,966 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-23 13:50:36,971 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-23 13:50:37,003 INFO L417 ceAbstractionStarter]: At program point mainErr0AssertViolationASSERT(line 27) the Hoare annotation is: false [2018-07-23 13:50:37,003 INFO L421 ceAbstractionStarter]: For program point mainFINAL(lines 14 28) no Hoare annotation was computed. [2018-07-23 13:50:37,003 INFO L417 ceAbstractionStarter]: At program point L21(lines 21 24) the Hoare annotation is: (and (= main_y 42) (<= main_x 100)) [2018-07-23 13:50:37,004 INFO L424 ceAbstractionStarter]: At program point mainEXIT(lines 14 28) the Hoare annotation is: true [2018-07-23 13:50:37,004 INFO L424 ceAbstractionStarter]: At program point mainENTRY(lines 14 28) the Hoare annotation is: true [2018-07-23 13:50:37,004 INFO L417 ceAbstractionStarter]: At program point L27(line 27) the Hoare annotation is: (and (= main_y 42) (<= main_x 100) (<= 100 main_x)) [2018-07-23 13:50:37,005 INFO L417 ceAbstractionStarter]: At program point L19(lines 19 25) the Hoare annotation is: (and (= main_y 42) (<= main_x 100)) [2018-07-23 13:50:37,020 INFO L202 PluginConnector]: Adding new model CountTillBound-Jupiter.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 01:50:37 BoogieIcfgContainer [2018-07-23 13:50:37,021 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 13:50:37,022 INFO L168 Benchmark]: Toolchain (without parser) took 765.07 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 13:50:37,025 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:50:37,026 INFO L168 Benchmark]: Boogie Preprocessor took 51.44 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:50:37,026 INFO L168 Benchmark]: RCFGBuilder took 215.22 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 13:50:37,027 INFO L168 Benchmark]: TraceAbstraction took 493.91 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-23 13:50:37,032 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 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.44 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 215.22 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 493.91 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 27]: 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: 19]: Loop Invariant Derived loop invariant: y == 42 && x <= 100 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: y == 42 && x <= 100 - ProcedureContractResult [Line: 14]: Procedure Contract for main Derived contract for procedure main: true - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12 SDtfs, 3 SDslu, 6 SDs, 0 SdLazy, 18 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 4/5 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 13 NumberOfFragments, 27 HoareAnnotationTreeSize, 6 FomulaSimplifications, 32 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 246 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 4/5 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/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/CountTillBound-Jupiter.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_13-50-37-044.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/CountTillBound-Jupiter.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_13-50-37-044.csv Received shutdown request...