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/large_const.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:16:39,673 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:16:39,676 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:16:39,688 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:16:39,688 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:16:39,689 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:16:39,691 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:16:39,693 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:16:39,695 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:16:39,696 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:16:39,697 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-09-26 08:16:39,725 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-nestedInterpolants.epf [2018-09-26 08:16:39,733 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:16:39,734 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:16:39,735 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 08:16:39,735 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-09-26 08:16:39,738 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:16:39,738 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-09-26 08:16:39,738 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-09-26 08:16:39,738 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:16:39,789 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:16:39,810 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:16:39,818 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:16:39,820 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:16:39,820 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:16:39,821 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/large_const.i_3.bpl [2018-09-26 08:16:39,821 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/large_const.i_3.bpl' [2018-09-26 08:16:39,893 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:16:39,897 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:16:39,898 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:16:39,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:16:39,898 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:16:39,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "large_const.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:16:39" (1/1) ... [2018-09-26 08:16:39,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "large_const.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:16:39" (1/1) ... [2018-09-26 08:16:39,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:16:39,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:16:39,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:16:39,942 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:16:39,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "large_const.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:16:39" (1/1) ... [2018-09-26 08:16:39,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "large_const.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:16:39" (1/1) ... [2018-09-26 08:16:39,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "large_const.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:16:39" (1/1) ... [2018-09-26 08:16:39,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "large_const.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:16:39" (1/1) ... [2018-09-26 08:16:39,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "large_const.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:16:39" (1/1) ... [2018-09-26 08:16:39,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "large_const.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:16:39" (1/1) ... [2018-09-26 08:16:39,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "large_const.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:16:39" (1/1) ... [2018-09-26 08:16:39,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:16:39,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:16:39,969 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:16:39,969 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:16:39,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "large_const.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:16:39" (1/1) ... [2018-09-26 08:16:40,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 08:16:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 08:16:40,265 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 08:16:40,266 INFO L202 PluginConnector]: Adding new model large_const.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:16:40 BoogieIcfgContainer [2018-09-26 08:16:40,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:16:40,268 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:16:40,268 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:16:40,275 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:16:40,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "large_const.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:16:39" (1/2) ... [2018-09-26 08:16:40,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cb663d3 and model type large_const.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:16:40, skipping insertion in model container [2018-09-26 08:16:40,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "large_const.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:16:40" (2/2) ... [2018-09-26 08:16:40,282 INFO L112 eAbstractionObserver]: Analyzing ICFG large_const.i_3.bpl [2018-09-26 08:16:40,293 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:16:40,302 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:16:40,358 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:16:40,359 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:16:40,359 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:16:40,360 INFO L383 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-09-26 08:16:40,360 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:16:40,360 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:16:40,360 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:16:40,361 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:16:40,361 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:16:40,377 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 08:16:40,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 08:16:40,386 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:16:40,387 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 08:16:40,389 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:16:40,395 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:16:40,396 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-09-26 08:16:40,402 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:16:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 08:16:40,482 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 08:16:40,485 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:16:40,485 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 08:16:40,489 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 08:16:40,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 08:16:40,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 08:16:40,505 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-09-26 08:16:40,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:16:40,533 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-09-26 08:16:40,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 08:16:40,536 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-09-26 08:16:40,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:16:40,548 INFO L225 Difference]: With dead ends: 10 [2018-09-26 08:16:40,548 INFO L226 Difference]: Without dead ends: 7 [2018-09-26 08:16:40,552 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 08:16:40,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-26 08:16:40,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-26 08:16:40,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 08:16:40,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 08:16:40,593 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-26 08:16:40,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:16:40,594 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-26 08:16:40,594 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 08:16:40,594 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 08:16:40,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 08:16:40,595 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:16:40,595 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-26 08:16:40,596 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:16:40,596 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:16:40,596 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-09-26 08:16:40,596 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:16:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 08:16:40,656 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 08:16:40,657 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-09-26 08:16:40,657 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-09-26 08:16:40,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 08:16:40,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 08:16:40,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:16:40,661 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2018-09-26 08:16:40,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:16:40,683 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2018-09-26 08:16:40,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-26 08:16:40,684 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-09-26 08:16:40,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:16:40,685 INFO L225 Difference]: With dead ends: 11 [2018-09-26 08:16:40,685 INFO L226 Difference]: Without dead ends: 9 [2018-09-26 08:16:40,686 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 08:16:40,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-09-26 08:16:40,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-09-26 08:16:40,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-09-26 08:16:40,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-09-26 08:16:40,690 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2018-09-26 08:16:40,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:16:40,690 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-09-26 08:16:40,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 08:16:40,691 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-09-26 08:16:40,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 08:16:40,691 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:16:40,692 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1] [2018-09-26 08:16:40,692 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:16:40,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:16:40,692 INFO L82 PathProgramCache]: Analyzing trace with hash 198673595, now seen corresponding path program 2 times [2018-09-26 08:16:40,693 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:16:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 08:16:40,735 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 08:16:40,735 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-09-26 08:16:40,735 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-09-26 08:16:40,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 08:16:40,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 08:16:40,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:16:40,737 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 4 states. [2018-09-26 08:16:40,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:16:40,760 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2018-09-26 08:16:40,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-26 08:16:40,761 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-09-26 08:16:40,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:16:40,761 INFO L225 Difference]: With dead ends: 9 [2018-09-26 08:16:40,762 INFO L226 Difference]: Without dead ends: 0 [2018-09-26 08:16:40,762 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-26 08:16:40,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-26 08:16:40,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-26 08:16:40,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-26 08:16:40,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-26 08:16:40,764 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2018-09-26 08:16:40,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:16:40,764 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-26 08:16:40,764 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 08:16:40,765 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-26 08:16:40,765 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-26 08:16:40,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-26 08:16:40,857 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.startEXIT(lines 1 75) the Hoare annotation is: false [2018-09-26 08:16:40,857 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 74) the Hoare annotation is: false [2018-09-26 08:16:40,858 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 75) the Hoare annotation is: true [2018-09-26 08:16:40,858 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 75) no Hoare annotation was computed. [2018-09-26 08:16:40,858 INFO L422 ceAbstractionStarter]: At program point L60(lines 60 73) the Hoare annotation is: false [2018-09-26 08:16:40,860 INFO L422 ceAbstractionStarter]: At program point L47(lines 47 61) the Hoare annotation is: (let ((.cse0 (<= 0 ULTIMATE.start_main_~i~5))) (or (and (<= 4000 ULTIMATE.start_main_~k~5) (<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~i~5) .cse0) (and (<= 4000 (+ ULTIMATE.start_main_~c1~5 ULTIMATE.start_main_~k~5)) .cse0 (<= ULTIMATE.start_main_~i~5 0)))) [2018-09-26 08:16:40,860 INFO L422 ceAbstractionStarter]: At program point L72(lines 44 72) the Hoare annotation is: (let ((.cse0 (<= 0 ULTIMATE.start_main_~i~5))) (or (and (<= 4000 ULTIMATE.start_main_~k~5) (<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~i~5) .cse0) (and (<= 4000 (+ ULTIMATE.start_main_~c1~5 ULTIMATE.start_main_~k~5)) .cse0 (<= ULTIMATE.start_main_~i~5 0)))) [2018-09-26 08:16:40,875 INFO L202 PluginConnector]: Adding new model large_const.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 08:16:40 BoogieIcfgContainer [2018-09-26 08:16:40,875 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 08:16:40,876 INFO L168 Benchmark]: Toolchain (without parser) took 982.46 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 08:16:40,879 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 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 08:16:40,880 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.69 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 08:16:40,881 INFO L168 Benchmark]: Boogie Preprocessor took 26.35 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 08:16:40,882 INFO L168 Benchmark]: RCFGBuilder took 298.08 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 08:16:40,883 INFO L168 Benchmark]: TraceAbstraction took 607.56 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 08:16:40,890 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.69 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 26.35 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 298.08 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 607.56 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: 74]: 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: 47]: Loop Invariant Derived loop invariant: ((4000 <= main_~k~5 && main_~n~5 <= main_~i~5) && 0 <= main_~i~5) || ((4000 <= main_~c1~5 + main_~k~5 && 0 <= main_~i~5) && main_~i~5 <= 0) - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: ((4000 <= main_~k~5 && main_~n~5 <= main_~i~5) && 0 <= main_~i~5) || ((4000 <= main_~c1~5 + main_~k~5 && 0 <= main_~i~5) && main_~i~5 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 0.5s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12 SDtfs, 0 SDslu, 7 SDs, 0 SdLazy, 13 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 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, 50 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 211 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/large_const.i_3.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-16-40-908.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/large_const.i_3.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_08-16-40-908.csv Received shutdown request...