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/20170304-DifficultPathPrograms/array.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:11:41,263 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:11:41,265 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:11:41,277 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:11:41,278 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:11:41,279 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:11:41,281 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:11:41,282 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:11:41,285 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:11:41,291 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:11:41,292 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-09-26 08:11:41,322 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-nestedInterpolants.epf [2018-09-26 08:11:41,330 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:11:41,330 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:11:41,331 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 08:11:41,332 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-09-26 08:11:41,332 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:11:41,332 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-09-26 08:11:41,332 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-09-26 08:11:41,332 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:11:41,386 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:11:41,399 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:11:41,402 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:11:41,404 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:11:41,405 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:11:41,405 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array.i_3.bpl [2018-09-26 08:11:41,406 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array.i_3.bpl' [2018-09-26 08:11:41,460 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:11:41,464 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:11:41,465 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:11:41,465 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:11:41,465 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:11:41,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:41" (1/1) ... [2018-09-26 08:11:41,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:41" (1/1) ... [2018-09-26 08:11:41,508 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:11:41,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:11:41,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:11:41,510 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:11:41,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:41" (1/1) ... [2018-09-26 08:11:41,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:41" (1/1) ... [2018-09-26 08:11:41,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:41" (1/1) ... [2018-09-26 08:11:41,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:41" (1/1) ... [2018-09-26 08:11:41,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:41" (1/1) ... [2018-09-26 08:11:41,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:41" (1/1) ... [2018-09-26 08:11:41,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:41" (1/1) ... [2018-09-26 08:11:41,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:11:41,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:11:41,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:11:41,532 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:11:41,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:41" (1/1) ... [2018-09-26 08:11:41,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 08:11:41,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 08:11:41,797 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 08:11:41,798 INFO L202 PluginConnector]: Adding new model array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:11:41 BoogieIcfgContainer [2018-09-26 08:11:41,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:11:41,800 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:11:41,800 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:11:41,804 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:11:41,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:11:41" (1/2) ... [2018-09-26 08:11:41,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bb1c31e and model type array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:11:41, skipping insertion in model container [2018-09-26 08:11:41,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:11:41" (2/2) ... [2018-09-26 08:11:41,808 INFO L112 eAbstractionObserver]: Analyzing ICFG array.i_3.bpl [2018-09-26 08:11:41,820 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:11:41,829 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:11:41,884 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:11:41,885 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:11:41,885 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:11:41,885 INFO L383 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-09-26 08:11:41,885 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:11:41,886 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:11:41,886 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:11:41,886 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:11:41,887 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:11:41,903 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 08:11:41,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 08:11:41,913 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:11:41,915 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 08:11:41,916 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:11:41,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:11:41,923 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-09-26 08:11:41,931 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:11:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 08:11:42,049 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 08:11:42,052 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:11:42,053 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 08:11:42,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 08:11:42,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 08:11:42,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 08:11:42,079 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-09-26 08:11:42,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:11:42,130 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-09-26 08:11:42,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 08:11:42,133 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-09-26 08:11:42,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:11:42,146 INFO L225 Difference]: With dead ends: 10 [2018-09-26 08:11:42,146 INFO L226 Difference]: Without dead ends: 7 [2018-09-26 08:11:42,152 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 08:11:42,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-26 08:11:42,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-26 08:11:42,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 08:11:42,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 08:11:42,211 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-26 08:11:42,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:11:42,211 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-26 08:11:42,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 08:11:42,212 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 08:11:42,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 08:11:42,214 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:11:42,214 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-26 08:11:42,215 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:11:42,215 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:11:42,216 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-09-26 08:11:42,216 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:11:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 08:11:42,323 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 08:11:42,324 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-09-26 08:11:42,324 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-09-26 08:11:42,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 08:11:42,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 08:11:42,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:11:42,334 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2018-09-26 08:11:42,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:11:42,422 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2018-09-26 08:11:42,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-26 08:11:42,427 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-09-26 08:11:42,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:11:42,428 INFO L225 Difference]: With dead ends: 11 [2018-09-26 08:11:42,428 INFO L226 Difference]: Without dead ends: 9 [2018-09-26 08:11:42,432 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:11:42,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-09-26 08:11:42,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-09-26 08:11:42,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-09-26 08:11:42,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-09-26 08:11:42,437 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2018-09-26 08:11:42,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:11:42,437 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-09-26 08:11:42,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 08:11:42,437 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-09-26 08:11:42,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 08:11:42,438 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:11:42,438 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1] [2018-09-26 08:11:42,439 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:11:42,439 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:11:42,439 INFO L82 PathProgramCache]: Analyzing trace with hash 198673595, now seen corresponding path program 2 times [2018-09-26 08:11:42,439 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:11:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 08:11:42,517 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 08:11:42,517 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-09-26 08:11:42,519 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-09-26 08:11:42,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 08:11:42,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 08:11:42,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:11:42,521 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 4 states. [2018-09-26 08:11:42,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:11:42,539 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2018-09-26 08:11:42,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-26 08:11:42,540 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-09-26 08:11:42,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:11:42,541 INFO L225 Difference]: With dead ends: 9 [2018-09-26 08:11:42,541 INFO L226 Difference]: Without dead ends: 0 [2018-09-26 08:11:42,542 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:11:42,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-26 08:11:42,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-26 08:11:42,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-26 08:11:42,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-26 08:11:42,543 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2018-09-26 08:11:42,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:11:42,544 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-26 08:11:42,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 08:11:42,544 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-26 08:11:42,544 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-26 08:11:42,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-26 08:11:42,701 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.startEXIT(lines 1 53) the Hoare annotation is: false [2018-09-26 08:11:42,701 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 53) the Hoare annotation is: true [2018-09-26 08:11:42,703 INFO L422 ceAbstractionStarter]: At program point L29(lines 29 40) the Hoare annotation is: (or (let ((.cse0 (+ ULTIMATE.start_main_~j~5 1))) (and (<= 0 ULTIMATE.start_main_~j~5) (<= ULTIMATE.start_main_~SIZE~5 .cse0) (<= ULTIMATE.start_main_~j~5 0) (<= .cse0 ULTIMATE.start_main_~SIZE~5))) (and (= ULTIMATE.start_main_~menor~5 (select ULTIMATE.start_main_~array~5 0)) (<= ULTIMATE.start_main_~SIZE~5 ULTIMATE.start_main_~j~5) (<= ULTIMATE.start_main_~j~5 (+ (* 4294967296 (div ULTIMATE.start_main_~SIZE~5 4294967296)) 4294967295)))) [2018-09-26 08:11:42,703 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 53) no Hoare annotation was computed. [2018-09-26 08:11:42,704 INFO L422 ceAbstractionStarter]: At program point L50(lines 26 50) the Hoare annotation is: (or (let ((.cse0 (+ ULTIMATE.start_main_~j~5 1))) (and (<= 0 ULTIMATE.start_main_~j~5) (<= ULTIMATE.start_main_~SIZE~5 .cse0) (<= ULTIMATE.start_main_~j~5 0) (<= .cse0 ULTIMATE.start_main_~SIZE~5))) (and (= ULTIMATE.start_main_~menor~5 (select ULTIMATE.start_main_~array~5 0)) (<= ULTIMATE.start_main_~SIZE~5 ULTIMATE.start_main_~j~5) (<= ULTIMATE.start_main_~j~5 (+ (* 4294967296 (div ULTIMATE.start_main_~SIZE~5 4294967296)) 4294967295)))) [2018-09-26 08:11:42,704 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 52) the Hoare annotation is: false [2018-09-26 08:11:42,705 INFO L422 ceAbstractionStarter]: At program point L39(lines 39 51) the Hoare annotation is: false [2018-09-26 08:11:42,720 INFO L202 PluginConnector]: Adding new model array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 08:11:42 BoogieIcfgContainer [2018-09-26 08:11:42,720 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 08:11:42,722 INFO L168 Benchmark]: Toolchain (without parser) took 1261.21 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-26 08:11:42,724 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:11:42,725 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.46 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 08:11:42,728 INFO L168 Benchmark]: Boogie Preprocessor took 21.65 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 08:11:42,728 INFO L168 Benchmark]: RCFGBuilder took 266.89 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 08:11:42,729 INFO L168 Benchmark]: TraceAbstraction took 920.13 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. [2018-09-26 08:11:42,736 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.46 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 21.65 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 266.89 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 920.13 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 52]: 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: 39]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: (((0 <= main_~j~5 && main_~SIZE~5 <= main_~j~5 + 1) && main_~j~5 <= 0) && main_~j~5 + 1 <= main_~SIZE~5) || ((main_~menor~5 == main_~array~5[0] && main_~SIZE~5 <= main_~j~5) && main_~j~5 <= 4294967296 * (main_~SIZE~5 / 4294967296) + 4294967295) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((0 <= main_~j~5 && main_~SIZE~5 <= main_~j~5 + 1) && main_~j~5 <= 0) && main_~j~5 + 1 <= main_~SIZE~5) || ((main_~menor~5 == main_~array~5[0] && main_~SIZE~5 <= main_~j~5) && main_~j~5 <= 4294967296 * (main_~SIZE~5 / 4294967296) + 4294967295) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 0.8s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 12 SDtfs, 0 SDslu, 8 SDs, 0 SdLazy, 14 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=2, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 10 NumberOfFragments, 76 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 557 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 4/8 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/array.i_3.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-11-42-770.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/array.i_3.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_08-11-42-770.csv Received shutdown request...