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/20170319-ConjunctivePathPrograms/count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-935f392 [2018-07-23 13:40:40,309 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 13:40:40,311 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 13:40:40,323 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 13:40:40,324 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 13:40:40,325 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 13:40:40,327 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 13:40:40,329 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 13:40:40,330 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 13:40:40,332 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 13:40:40,333 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 13:40:40,333 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 13:40:40,334 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 13:40:40,335 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 13:40:40,336 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 13:40:40,337 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 13:40:40,337 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 13:40:40,339 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 13:40:40,341 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 13:40:40,343 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 13:40:40,344 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 13:40:40,345 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 13:40:40,347 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 13:40:40,348 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 13:40:40,348 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 13:40:40,349 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 13:40:40,350 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 13:40:40,351 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 13:40:40,351 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 13:40:40,353 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 13:40:40,353 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 13:40:40,353 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 13:40:40,354 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 13:40:40,354 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 13:40:40,355 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 13:40:40,356 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 13:40:40,356 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 13:40:40,369 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 13:40:40,370 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 13:40:40,371 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 13:40:40,371 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-23 13:40:40,371 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 13:40:40,372 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-23 13:40:40,372 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 13:40:40,372 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 13:40:40,420 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 13:40:40,440 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 13:40:40,445 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 13:40:40,446 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 13:40:40,447 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 13:40:40,448 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl [2018-07-23 13:40:40,448 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl' [2018-07-23 13:40:40,502 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 13:40:40,503 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 13:40:40,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 13:40:40,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 13:40:40,504 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 13:40:40,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:40" (1/1) ... [2018-07-23 13:40:40,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:40" (1/1) ... [2018-07-23 13:40:40,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:40" (1/1) ... [2018-07-23 13:40:40,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:40" (1/1) ... [2018-07-23 13:40:40,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:40" (1/1) ... [2018-07-23 13:40:40,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:40" (1/1) ... [2018-07-23 13:40:40,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:40" (1/1) ... [2018-07-23 13:40:40,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 13:40:40,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 13:40:40,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 13:40:40,556 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 13:40:40,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:40" (1/1) ... [2018-07-23 13:40:40,645 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-07-23 13:40:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 13:40:40,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 13:40:40,851 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 13:40:40,852 INFO L202 PluginConnector]: Adding new model count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:40:40 BoogieIcfgContainer [2018-07-23 13:40:40,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 13:40:40,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 13:40:40,854 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 13:40:40,858 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 13:40:40,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:40:40" (1/2) ... [2018-07-23 13:40:40,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13207a35 and model type count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:40:40, skipping insertion in model container [2018-07-23 13:40:40,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:40:40" (2/2) ... [2018-07-23 13:40:40,864 INFO L112 eAbstractionObserver]: Analyzing ICFG count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl [2018-07-23 13:40:40,872 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-23 13:40:40,880 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 13:40:40,921 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 13:40:40,922 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 13:40:40,922 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 13:40:40,922 INFO L375 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-23 13:40:40,922 INFO L376 AbstractCegarLoop]: Backedges is CANONICAL [2018-07-23 13:40:40,923 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 13:40:40,923 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 13:40:40,923 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 13:40:40,923 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 13:40:40,937 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-07-23 13:40:40,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-23 13:40:40,945 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:40,946 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-23 13:40:40,946 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:40,952 INFO L82 PathProgramCache]: Analyzing trace with hash 30017, now seen corresponding path program 1 times [2018-07-23 13:40:40,957 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:41,021 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 13:40:41,023 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 13:40:41,024 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-23 13:40:41,026 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:41,026 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 13:40:41,027 INFO L185 omatonBuilderFactory]: Interpolants [8#true, 9#false, 10#(<= ULTIMATE.start_main_~y~5 0)] [2018-07-23 13:40:41,027 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 13:40:41,028 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 13:40:41,041 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 13:40:41,042 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 13:40:41,044 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-07-23 13:40:41,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:41,076 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2018-07-23 13:40:41,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 13:40:41,078 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-07-23 13:40:41,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:41,088 INFO L225 Difference]: With dead ends: 8 [2018-07-23 13:40:41,088 INFO L226 Difference]: Without dead ends: 5 [2018-07-23 13:40:41,091 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 13:40:41,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-07-23 13:40:41,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-07-23 13:40:41,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-07-23 13:40:41,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-07-23 13:40:41,129 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2018-07-23 13:40:41,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:41,129 INFO L471 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-07-23 13:40:41,130 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 13:40:41,130 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-07-23 13:40:41,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 13:40:41,131 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:40:41,131 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 13:40:41,131 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:40:41,131 INFO L82 PathProgramCache]: Analyzing trace with hash 928552, now seen corresponding path program 1 times [2018-07-23 13:40:41,132 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:40:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:40:41,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:41,160 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 13:40:41,161 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 13:40:41,161 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:40:41,161 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 13:40:41,162 INFO L185 omatonBuilderFactory]: Interpolants [37#true, 38#false, 39#(<= 8589934591 ULTIMATE.start_main_~x~5)] [2018-07-23 13:40:41,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:40:41,165 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 13:40:41,167 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 13:40:41,167 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 13:40:41,168 INFO L87 Difference]: Start difference. First operand 5 states and 5 transitions. Second operand 3 states. [2018-07-23 13:40:41,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:40:41,180 INFO L93 Difference]: Finished difference Result 5 states and 5 transitions. [2018-07-23 13:40:41,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 13:40:41,184 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-23 13:40:41,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:40:41,184 INFO L225 Difference]: With dead ends: 5 [2018-07-23 13:40:41,185 INFO L226 Difference]: Without dead ends: 0 [2018-07-23 13:40:41,186 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 13:40:41,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-23 13:40:41,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-23 13:40:41,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-23 13:40:41,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-23 13:40:41,189 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2018-07-23 13:40:41,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:40:41,190 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-23 13:40:41,190 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 13:40:41,190 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-23 13:40:41,190 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-23 13:40:41,196 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-23 13:40:41,222 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 45) the Hoare annotation is: true [2018-07-23 13:40:41,222 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 45) no Hoare annotation was computed. [2018-07-23 13:40:41,222 INFO L417 ceAbstractionStarter]: At program point ULTIMATE.startEXIT(lines 1 45) the Hoare annotation is: false [2018-07-23 13:40:41,223 INFO L417 ceAbstractionStarter]: At program point L42(lines 42 43) the Hoare annotation is: false [2018-07-23 13:40:41,223 INFO L417 ceAbstractionStarter]: At program point L34(lines 21 35) the Hoare annotation is: (or (<= 8589934591 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~y~5 0)) [2018-07-23 13:40:41,223 INFO L417 ceAbstractionStarter]: At program point ULTIMATE.startErr0AssertViolationASSERT(line 44) the Hoare annotation is: false [2018-07-23 13:40:41,232 INFO L202 PluginConnector]: Adding new model count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 01:40:41 BoogieIcfgContainer [2018-07-23 13:40:41,232 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 13:40:41,233 INFO L168 Benchmark]: Toolchain (without parser) took 730.80 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 13:40:41,237 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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 13:40:41,238 INFO L168 Benchmark]: Boogie Preprocessor took 48.59 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 13:40:41,240 INFO L168 Benchmark]: RCFGBuilder took 299.21 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 13:40:41,241 INFO L168 Benchmark]: TraceAbstraction took 379.01 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 13:40:41,246 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.59 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 299.21 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 379.01 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: 44]: 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: 21]: Loop Invariant Derived loop invariant: 8589934591 <= main_~x~5 || main_~y~5 <= 0 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: false - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. SAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5 SDtfs, 0 SDslu, 1 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 1/1 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, 5 LocationsWithAnnotation, 5 PreInvPairs, 6 NumberOfFragments, 11 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1/1 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/count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_13-40-41-265.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_13-40-41-265.csv Received shutdown request...