java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-nestedInterpolants.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:10:28,060 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:10:28,062 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:10:28,074 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:10:28,075 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:10:28,076 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:10:28,077 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:10:28,079 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:10:28,081 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:10:28,082 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:10:28,083 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 08:10:28,083 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 08:10:28,084 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 08:10:28,085 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 08:10:28,086 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 08:10:28,087 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 08:10:28,088 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 08:10:28,090 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 08:10:28,092 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 08:10:28,094 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 08:10:28,095 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 08:10:28,096 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 08:10:28,098 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 08:10:28,099 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 08:10:28,099 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 08:10:28,100 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 08:10:28,101 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 08:10:28,102 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 08:10:28,103 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 08:10:28,104 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 08:10:28,104 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 08:10:28,105 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 08:10:28,105 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 08:10:28,106 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 08:10:28,107 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 08:10:28,107 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 08:10:28,108 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-nestedInterpolants.epf [2018-09-26 08:10:28,116 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:10:28,116 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:10:28,117 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 08:10:28,118 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-09-26 08:10:28,118 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:10:28,118 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-09-26 08:10:28,118 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-09-26 08:10:28,118 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:10:28,164 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:10:28,181 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:10:28,187 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:10:28,189 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:10:28,189 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:10:28,190 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl [2018-09-26 08:10:28,190 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl' [2018-09-26 08:10:28,252 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:10:28,255 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:10:28,256 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:10:28,256 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:10:28,256 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:10:28,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:10:28" (1/1) ... [2018-09-26 08:10:28,292 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:10:28" (1/1) ... [2018-09-26 08:10:28,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:10:28,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:10:28,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:10:28,301 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:10:28,312 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 26.09 08:10:28" (1/1) ... [2018-09-26 08:10:28,312 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 26.09 08:10:28" (1/1) ... [2018-09-26 08:10:28,313 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 26.09 08:10:28" (1/1) ... [2018-09-26 08:10:28,313 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 26.09 08:10:28" (1/1) ... [2018-09-26 08:10:28,316 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 26.09 08:10:28" (1/1) ... [2018-09-26 08:10:28,319 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 26.09 08:10:28" (1/1) ... [2018-09-26 08:10:28,320 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 26.09 08:10:28" (1/1) ... [2018-09-26 08:10:28,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:10:28,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:10:28,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:10:28,323 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:10:28,325 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 26.09 08:10:28" (1/1) ... [2018-09-26 08:10:28,415 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-26 08:10:28,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 08:10:28,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 08:10:28,567 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 08:10:28,567 INFO L202 PluginConnector]: Adding new model count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:10:28 BoogieIcfgContainer [2018-09-26 08:10:28,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:10:28,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:10:28,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:10:28,572 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:10:28,573 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 26.09 08:10:28" (1/2) ... [2018-09-26 08:10:28,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f568b20 and model type count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:10:28, skipping insertion in model container [2018-09-26 08:10:28,574 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 26.09 08:10:28" (2/2) ... [2018-09-26 08:10:28,577 INFO L112 eAbstractionObserver]: Analyzing ICFG count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl [2018-09-26 08:10:28,585 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:10:28,593 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:10:28,641 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:10:28,642 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:10:28,643 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:10:28,643 INFO L383 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-09-26 08:10:28,643 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:10:28,643 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:10:28,644 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:10:28,644 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:10:28,644 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:10:28,660 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-09-26 08:10:28,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 08:10:28,669 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:10:28,670 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-09-26 08:10:28,671 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:10:28,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:10:28,678 INFO L82 PathProgramCache]: Analyzing trace with hash 30017, now seen corresponding path program 1 times [2018-09-26 08:10:28,686 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:10:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 08:10:28,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 08:10:28,777 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:10:28,778 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 08:10:28,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 08:10:28,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 08:10:28,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 08:10:28,798 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-09-26 08:10:28,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:10:28,830 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2018-09-26 08:10:28,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 08:10:28,832 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-09-26 08:10:28,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:10:28,843 INFO L225 Difference]: With dead ends: 8 [2018-09-26 08:10:28,843 INFO L226 Difference]: Without dead ends: 5 [2018-09-26 08:10:28,847 INFO L605 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 [2018-09-26 08:10:28,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-09-26 08:10:28,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-09-26 08:10:28,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-09-26 08:10:28,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-26 08:10:28,884 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2018-09-26 08:10:28,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:10:28,884 INFO L480 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-09-26 08:10:28,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 08:10:28,885 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-26 08:10:28,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 08:10:28,885 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:10:28,885 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 08:10:28,886 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:10:28,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:10:28,886 INFO L82 PathProgramCache]: Analyzing trace with hash 928552, now seen corresponding path program 1 times [2018-09-26 08:10:28,887 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:10:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 08:10:28,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 08:10:28,914 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:10:28,914 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-26 08:10:28,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 08:10:28,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 08:10:28,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 08:10:28,918 INFO L87 Difference]: Start difference. First operand 5 states and 5 transitions. Second operand 3 states. [2018-09-26 08:10:28,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:10:28,925 INFO L93 Difference]: Finished difference Result 5 states and 5 transitions. [2018-09-26 08:10:28,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 08:10:28,926 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-09-26 08:10:28,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:10:28,926 INFO L225 Difference]: With dead ends: 5 [2018-09-26 08:10:28,926 INFO L226 Difference]: Without dead ends: 0 [2018-09-26 08:10:28,928 INFO L605 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 [2018-09-26 08:10:28,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-26 08:10:28,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-26 08:10:28,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-26 08:10:28,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-26 08:10:28,929 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2018-09-26 08:10:28,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:10:28,929 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-26 08:10:28,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 08:10:28,929 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-26 08:10:28,930 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-26 08:10:28,935 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-26 08:10:28,954 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.startEXIT(lines 1 45) the Hoare annotation is: false [2018-09-26 08:10:28,954 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 45) the Hoare annotation is: true [2018-09-26 08:10:28,954 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 45) no Hoare annotation was computed. [2018-09-26 08:10:28,954 INFO L422 ceAbstractionStarter]: At program point L42(lines 42 43) the Hoare annotation is: false [2018-09-26 08:10:28,955 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 44) the Hoare annotation is: false [2018-09-26 08:10:28,955 INFO L422 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)) [2018-09-26 08:10:28,967 INFO L202 PluginConnector]: Adding new model count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 08:10:28 BoogieIcfgContainer [2018-09-26 08:10:28,967 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 08:10:28,968 INFO L168 Benchmark]: Toolchain (without parser) took 715.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-09-26 08:10:28,972 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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. [2018-09-26 08:10:28,972 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.61 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. [2018-09-26 08:10:28,973 INFO L168 Benchmark]: Boogie Preprocessor took 22.63 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. [2018-09-26 08:10:28,974 INFO L168 Benchmark]: RCFGBuilder took 244.81 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-26 08:10:28,975 INFO L168 Benchmark]: TraceAbstraction took 398.55 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 08:10:28,980 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 0.21 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 Procedure Inliner took 43.61 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 22.63 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 244.81 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 398.55 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 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: 42]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 8589934591 <= main_~x~5 || main_~y~5 <= 0 - 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, 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, 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_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-10-28-993.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_08-10-28-993.csv Received shutdown request...