java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./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-e6fd87c [2018-07-25 13:19:47,241 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 13:19:47,243 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 13:19:47,260 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 13:19:47,260 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 13:19:47,262 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 13:19:47,263 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 13:19:47,267 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 13:19:47,270 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 13:19:47,271 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 13:19:47,279 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 13:19:47,279 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 13:19:47,281 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 13:19:47,282 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 13:19:47,283 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 13:19:47,286 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 13:19:47,287 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 13:19:47,292 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 13:19:47,295 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 13:19:47,298 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 13:19:47,300 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 13:19:47,301 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 13:19:47,303 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 13:19:47,303 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 13:19:47,303 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 13:19:47,304 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 13:19:47,305 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 13:19:47,306 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 13:19:47,307 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 13:19:47,308 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 13:19:47,308 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 13:19:47,309 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 13:19:47,309 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 13:19:47,309 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 13:19:47,310 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 13:19:47,311 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 13:19:47,311 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-nestedInterpolants.epf [2018-07-25 13:19:47,326 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 13:19:47,326 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 13:19:47,327 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-25 13:19:47,328 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-25 13:19:47,328 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 13:19:47,328 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-25 13:19:47,328 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 13:19:47,328 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 13:19:47,389 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 13:19:47,402 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 13:19:47,405 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 13:19:47,406 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 13:19:47,407 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 13:19:47,407 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl [2018-07-25 13:19:47,407 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl' [2018-07-25 13:19:47,455 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 13:19:47,456 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 13:19:47,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 13:19:47,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 13:19:47,457 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 13:19:47,477 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 25.07 01:19:47" (1/1) ... [2018-07-25 13:19:47,489 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 25.07 01:19:47" (1/1) ... [2018-07-25 13:19:47,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 13:19:47,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 13:19:47,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 13:19:47,497 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 13:19:47,508 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 25.07 01:19:47" (1/1) ... [2018-07-25 13:19:47,509 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 25.07 01:19:47" (1/1) ... [2018-07-25 13:19:47,509 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 25.07 01:19:47" (1/1) ... [2018-07-25 13:19:47,510 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 25.07 01:19:47" (1/1) ... [2018-07-25 13:19:47,512 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 25.07 01:19:47" (1/1) ... [2018-07-25 13:19:47,514 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 25.07 01:19:47" (1/1) ... [2018-07-25 13:19:47,515 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 25.07 01:19:47" (1/1) ... [2018-07-25 13:19:47,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 13:19:47,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 13:19:47,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 13:19:47,518 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 13:19:47,519 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 25.07 01:19:47" (1/1) ... [2018-07-25 13:19:47,604 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-07-25 13:19:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 13:19:47,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 13:19:47,755 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 13:19:47,756 INFO L202 PluginConnector]: Adding new model count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:19:47 BoogieIcfgContainer [2018-07-25 13:19:47,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 13:19:47,758 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 13:19:47,758 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 13:19:47,761 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 13:19:47,762 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 25.07 01:19:47" (1/2) ... [2018-07-25 13:19:47,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@584c197c and model type count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 01:19:47, skipping insertion in model container [2018-07-25 13:19:47,764 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 25.07 01:19:47" (2/2) ... [2018-07-25 13:19:47,766 INFO L112 eAbstractionObserver]: Analyzing ICFG count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl [2018-07-25 13:19:47,777 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-25 13:19:47,786 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 13:19:47,834 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 13:19:47,835 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 13:19:47,835 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 13:19:47,835 INFO L376 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-25 13:19:47,835 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 13:19:47,836 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 13:19:47,836 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 13:19:47,836 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 13:19:47,836 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 13:19:47,852 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-07-25 13:19:47,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-25 13:19:47,861 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:19:47,862 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-25 13:19:47,863 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:19:47,869 INFO L82 PathProgramCache]: Analyzing trace with hash 30017, now seen corresponding path program 1 times [2018-07-25 13:19:47,876 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:19:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 13:19:47,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-25 13:19:47,974 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:19:47,975 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 13:19:47,979 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 13:19:47,990 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 13:19:47,991 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 13:19:47,993 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-07-25 13:19:48,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:19:48,024 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2018-07-25 13:19:48,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 13:19:48,026 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-07-25 13:19:48,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:19:48,037 INFO L225 Difference]: With dead ends: 8 [2018-07-25 13:19:48,038 INFO L226 Difference]: Without dead ends: 5 [2018-07-25 13:19:48,042 INFO L574 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 [2018-07-25 13:19:48,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-07-25 13:19:48,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-07-25 13:19:48,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-07-25 13:19:48,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-07-25 13:19:48,080 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2018-07-25 13:19:48,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:19:48,081 INFO L472 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-07-25 13:19:48,081 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 13:19:48,081 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-07-25 13:19:48,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 13:19:48,082 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:19:48,082 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 13:19:48,082 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:19:48,083 INFO L82 PathProgramCache]: Analyzing trace with hash 928552, now seen corresponding path program 1 times [2018-07-25 13:19:48,083 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:19:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 13:19:48,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-25 13:19:48,111 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:19:48,111 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 13:19:48,113 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 13:19:48,114 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 13:19:48,114 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 13:19:48,115 INFO L87 Difference]: Start difference. First operand 5 states and 5 transitions. Second operand 3 states. [2018-07-25 13:19:48,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:19:48,124 INFO L93 Difference]: Finished difference Result 5 states and 5 transitions. [2018-07-25 13:19:48,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 13:19:48,128 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-25 13:19:48,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:19:48,128 INFO L225 Difference]: With dead ends: 5 [2018-07-25 13:19:48,128 INFO L226 Difference]: Without dead ends: 0 [2018-07-25 13:19:48,131 INFO L574 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 [2018-07-25 13:19:48,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-25 13:19:48,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-25 13:19:48,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-25 13:19:48,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-25 13:19:48,133 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2018-07-25 13:19:48,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:19:48,133 INFO L472 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-25 13:19:48,133 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 13:19:48,134 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-25 13:19:48,134 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-25 13:19:48,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-25 13:19:48,156 INFO L418 ceAbstractionStarter]: At program point ULTIMATE.startEXIT(lines 1 45) the Hoare annotation is: false [2018-07-25 13:19:48,157 INFO L418 ceAbstractionStarter]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 44) the Hoare annotation is: false [2018-07-25 13:19:48,157 INFO L425 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 45) the Hoare annotation is: true [2018-07-25 13:19:48,157 INFO L422 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 45) no Hoare annotation was computed. [2018-07-25 13:19:48,157 INFO L418 ceAbstractionStarter]: At program point L42(lines 42 43) the Hoare annotation is: false [2018-07-25 13:19:48,158 INFO L418 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)) [2018-07-25 13:19:48,168 INFO L202 PluginConnector]: Adding new model count_up_down.i_3.bplTransformedIcfg_BEv2_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 01:19:48 BoogieIcfgContainer [2018-07-25 13:19:48,168 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 13:19:48,169 INFO L168 Benchmark]: Toolchain (without parser) took 713.48 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-07-25 13:19:48,171 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 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. [2018-07-25 13:19:48,172 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.58 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. [2018-07-25 13:19:48,173 INFO L168 Benchmark]: Boogie Preprocessor took 20.25 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. [2018-07-25 13:19:48,173 INFO L168 Benchmark]: RCFGBuilder took 238.74 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. [2018-07-25 13:19:48,175 INFO L168 Benchmark]: TraceAbstraction took 410.68 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. [2018-07-25 13:19:48,179 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 0.16 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 39.58 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 20.25 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 238.74 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 410.68 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. * 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-0-2018-07-25_13-19-48-193.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-0-2018-07-25_13-19-48-193.csv Received shutdown request...