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/cggmp2005.c.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:12:51,967 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:12:51,969 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:12:51,988 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-09-26 08:12:52,049 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-nestedInterpolants.epf [2018-09-26 08:12:52,065 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:12:52,065 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:12:52,066 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 08:12:52,067 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-09-26 08:12:52,067 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:12:52,067 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-09-26 08:12:52,067 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-09-26 08:12:52,068 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:12:52,129 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:12:52,145 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:12:52,149 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:12:52,151 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:12:52,151 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:12:52,152 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/cggmp2005.c.i_3.bpl [2018-09-26 08:12:52,152 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/cggmp2005.c.i_3.bpl' [2018-09-26 08:12:52,206 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:12:52,210 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:12:52,211 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:12:52,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:12:52,211 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:12:52,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:12:52" (1/1) ... [2018-09-26 08:12:52,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:12:52" (1/1) ... [2018-09-26 08:12:52,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:12:52,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:12:52,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:12:52,254 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:12:52,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:12:52" (1/1) ... [2018-09-26 08:12:52,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:12:52" (1/1) ... [2018-09-26 08:12:52,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:12:52" (1/1) ... [2018-09-26 08:12:52,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:12:52" (1/1) ... [2018-09-26 08:12:52,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:12:52" (1/1) ... [2018-09-26 08:12:52,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:12:52" (1/1) ... [2018-09-26 08:12:52,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:12:52" (1/1) ... [2018-09-26 08:12:52,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:12:52,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:12:52,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:12:52,277 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:12:52,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:12:52" (1/1) ... [2018-09-26 08:12:52,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 08:12:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 08:12:52,544 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 08:12:52,545 INFO L202 PluginConnector]: Adding new model cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:12:52 BoogieIcfgContainer [2018-09-26 08:12:52,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:12:52,547 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:12:52,547 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:12:52,552 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:12:52,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:12:52" (1/2) ... [2018-09-26 08:12:52,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de209bd and model type cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:12:52, skipping insertion in model container [2018-09-26 08:12:52,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:12:52" (2/2) ... [2018-09-26 08:12:52,557 INFO L112 eAbstractionObserver]: Analyzing ICFG cggmp2005.c.i_3.bpl [2018-09-26 08:12:52,568 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:12:52,578 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:12:52,623 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:12:52,624 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:12:52,625 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:12:52,625 INFO L383 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-09-26 08:12:52,625 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:12:52,625 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:12:52,625 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:12:52,626 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:12:52,626 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:12:52,646 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 08:12:52,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 08:12:52,657 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:12:52,658 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 08:12:52,659 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:12:52,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:12:52,669 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-09-26 08:12:52,677 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:12:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 08:12:52,768 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 08:12:52,771 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:12:52,771 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 08:12:52,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 08:12:52,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 08:12:52,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 08:12:52,796 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-09-26 08:12:52,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:12:52,830 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-09-26 08:12:52,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 08:12:52,835 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-09-26 08:12:52,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:12:52,853 INFO L225 Difference]: With dead ends: 10 [2018-09-26 08:12:52,861 INFO L226 Difference]: Without dead ends: 7 [2018-09-26 08:12:52,866 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 08:12:52,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-26 08:12:52,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-26 08:12:52,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 08:12:52,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 08:12:52,907 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-26 08:12:52,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:12:52,908 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-26 08:12:52,908 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 08:12:52,908 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 08:12:52,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 08:12:52,909 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:12:52,909 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-26 08:12:52,910 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:12:52,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:12:52,910 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-09-26 08:12:52,910 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:12:52,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 08:12:52,952 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 08:12:52,952 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-09-26 08:12:52,952 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-09-26 08:12:52,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 08:12:52,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 08:12:52,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:12:52,959 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2018-09-26 08:12:52,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:12:52,992 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2018-09-26 08:12:52,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-26 08:12:52,992 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-09-26 08:12:52,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:12:52,993 INFO L225 Difference]: With dead ends: 11 [2018-09-26 08:12:52,993 INFO L226 Difference]: Without dead ends: 9 [2018-09-26 08:12:52,994 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:12:52,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-09-26 08:12:52,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-09-26 08:12:52,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-09-26 08:12:52,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-09-26 08:12:52,998 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2018-09-26 08:12:52,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:12:52,999 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-09-26 08:12:52,999 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 08:12:52,999 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-09-26 08:12:52,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 08:12:52,999 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:12:53,000 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1] [2018-09-26 08:12:53,000 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:12:53,000 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:12:53,000 INFO L82 PathProgramCache]: Analyzing trace with hash 198673595, now seen corresponding path program 2 times [2018-09-26 08:12:53,001 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:12:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 08:12:53,039 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 08:12:53,039 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-09-26 08:12:53,039 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-09-26 08:12:53,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-26 08:12:53,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-26 08:12:53,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-09-26 08:12:53,041 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 5 states. [2018-09-26 08:12:53,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:12:53,066 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2018-09-26 08:12:53,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-26 08:12:53,067 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2018-09-26 08:12:53,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:12:53,068 INFO L225 Difference]: With dead ends: 13 [2018-09-26 08:12:53,068 INFO L226 Difference]: Without dead ends: 11 [2018-09-26 08:12:53,069 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-09-26 08:12:53,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-09-26 08:12:53,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-09-26 08:12:53,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-09-26 08:12:53,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-09-26 08:12:53,076 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2018-09-26 08:12:53,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:12:53,076 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2018-09-26 08:12:53,076 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-26 08:12:53,077 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-09-26 08:12:53,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 08:12:53,077 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:12:53,079 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1] [2018-09-26 08:12:53,079 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:12:53,080 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:12:53,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1946815861, now seen corresponding path program 3 times [2018-09-26 08:12:53,080 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:12:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 08:12:53,142 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 08:12:53,142 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-09-26 08:12:53,143 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-09-26 08:12:53,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-26 08:12:53,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-26 08:12:53,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-09-26 08:12:53,144 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 6 states. [2018-09-26 08:12:53,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:12:53,168 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2018-09-26 08:12:53,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-26 08:12:53,169 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-09-26 08:12:53,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:12:53,169 INFO L225 Difference]: With dead ends: 15 [2018-09-26 08:12:53,170 INFO L226 Difference]: Without dead ends: 13 [2018-09-26 08:12:53,170 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-09-26 08:12:53,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-09-26 08:12:53,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-09-26 08:12:53,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-09-26 08:12:53,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-09-26 08:12:53,178 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 10 [2018-09-26 08:12:53,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:12:53,181 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2018-09-26 08:12:53,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-26 08:12:53,181 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-09-26 08:12:53,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 08:12:53,182 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:12:53,182 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1] [2018-09-26 08:12:53,182 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:12:53,183 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:12:53,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1715646545, now seen corresponding path program 4 times [2018-09-26 08:12:53,183 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:12:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 08:12:53,305 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 08:12:53,305 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-09-26 08:12:53,306 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-09-26 08:12:53,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-26 08:12:53,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-26 08:12:53,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-09-26 08:12:53,307 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 7 states. [2018-09-26 08:12:53,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:12:53,349 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2018-09-26 08:12:53,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-26 08:12:53,350 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2018-09-26 08:12:53,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:12:53,351 INFO L225 Difference]: With dead ends: 17 [2018-09-26 08:12:53,351 INFO L226 Difference]: Without dead ends: 15 [2018-09-26 08:12:53,352 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-09-26 08:12:53,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-09-26 08:12:53,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-09-26 08:12:53,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-09-26 08:12:53,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-09-26 08:12:53,358 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 12 [2018-09-26 08:12:53,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:12:53,358 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2018-09-26 08:12:53,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-26 08:12:53,359 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-09-26 08:12:53,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 08:12:53,359 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:12:53,359 INFO L375 BasicCegarLoop]: trace histogram [6, 5, 1, 1, 1] [2018-09-26 08:12:53,360 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:12:53,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:12:53,360 INFO L82 PathProgramCache]: Analyzing trace with hash 531164009, now seen corresponding path program 5 times [2018-09-26 08:12:53,360 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:12:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 08:12:53,431 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 08:12:53,432 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:12:53,432 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-26 08:12:53,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-26 08:12:53,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-26 08:12:53,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-09-26 08:12:53,434 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 7 states. [2018-09-26 08:12:53,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:12:53,449 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2018-09-26 08:12:53,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-26 08:12:53,450 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2018-09-26 08:12:53,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:12:53,450 INFO L225 Difference]: With dead ends: 15 [2018-09-26 08:12:53,450 INFO L226 Difference]: Without dead ends: 0 [2018-09-26 08:12:53,451 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-09-26 08:12:53,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-26 08:12:53,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-26 08:12:53,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-26 08:12:53,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-26 08:12:53,457 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2018-09-26 08:12:53,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:12:53,457 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-26 08:12:53,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-26 08:12:53,458 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-26 08:12:53,458 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-26 08:12:53,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-26 08:12:53,546 INFO L422 ceAbstractionStarter]: At program point L33(lines 15 33) the Hoare annotation is: (or (let ((.cse0 (+ ULTIMATE.start_main_~i~4 3))) (and (<= .cse0 ULTIMATE.start_main_~j~4) (<= ULTIMATE.start_main_~j~4 .cse0) (<= ULTIMATE.start_main_~j~4 8) (<= 8 ULTIMATE.start_main_~j~4))) (let ((.cse1 (+ ULTIMATE.start_main_~i~4 9))) (and (<= 10 ULTIMATE.start_main_~j~4) (<= ULTIMATE.start_main_~j~4 10) (<= ULTIMATE.start_main_~j~4 .cse1) (<= .cse1 ULTIMATE.start_main_~j~4))) (and (<= 7 ULTIMATE.start_main_~j~4) (<= ULTIMATE.start_main_~i~4 ULTIMATE.start_main_~j~4) (<= ULTIMATE.start_main_~j~4 7) (<= ULTIMATE.start_main_~j~4 ULTIMATE.start_main_~i~4)) (and (<= ULTIMATE.start_main_~j~4 6) (<= 6 ULTIMATE.start_main_~j~4) (<= (+ ULTIMATE.start_main_~j~4 3) ULTIMATE.start_main_~i~4)) (let ((.cse2 (+ ULTIMATE.start_main_~i~4 6))) (and (<= .cse2 ULTIMATE.start_main_~j~4) (<= ULTIMATE.start_main_~j~4 .cse2) (<= ULTIMATE.start_main_~j~4 9) (<= 9 ULTIMATE.start_main_~j~4)))) [2018-09-26 08:12:53,546 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.startEXIT(lines 1 36) the Hoare annotation is: false [2018-09-26 08:12:53,546 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 36) the Hoare annotation is: true [2018-09-26 08:12:53,546 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 36) no Hoare annotation was computed. [2018-09-26 08:12:53,547 INFO L422 ceAbstractionStarter]: At program point L28(lines 28 34) the Hoare annotation is: false [2018-09-26 08:12:53,547 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 35) the Hoare annotation is: false [2018-09-26 08:12:53,548 INFO L422 ceAbstractionStarter]: At program point L18(lines 18 29) the Hoare annotation is: (or (let ((.cse0 (+ ULTIMATE.start_main_~i~4 3))) (and (<= .cse0 ULTIMATE.start_main_~j~4) (<= ULTIMATE.start_main_~j~4 .cse0) (<= ULTIMATE.start_main_~j~4 8) (<= 8 ULTIMATE.start_main_~j~4))) (let ((.cse1 (+ ULTIMATE.start_main_~i~4 9))) (and (<= 10 ULTIMATE.start_main_~j~4) (<= ULTIMATE.start_main_~j~4 10) (<= ULTIMATE.start_main_~j~4 .cse1) (<= .cse1 ULTIMATE.start_main_~j~4))) (and (<= ULTIMATE.start_main_~j~4 6) (<= 6 ULTIMATE.start_main_~j~4) (<= (+ ULTIMATE.start_main_~j~4 3) ULTIMATE.start_main_~i~4)) (and (<= 7 ULTIMATE.start_main_~j~4) (<= ULTIMATE.start_main_~i~4 ULTIMATE.start_main_~j~4) (<= ULTIMATE.start_main_~j~4 7) (<= ULTIMATE.start_main_~j~4 ULTIMATE.start_main_~i~4)) (let ((.cse2 (+ ULTIMATE.start_main_~i~4 6))) (and (<= .cse2 ULTIMATE.start_main_~j~4) (<= ULTIMATE.start_main_~j~4 .cse2) (<= ULTIMATE.start_main_~j~4 9) (<= 9 ULTIMATE.start_main_~j~4)))) [2018-09-26 08:12:53,579 INFO L202 PluginConnector]: Adding new model cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 08:12:53 BoogieIcfgContainer [2018-09-26 08:12:53,580 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 08:12:53,581 INFO L168 Benchmark]: Toolchain (without parser) took 1373.71 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-09-26 08:12:53,583 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 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 08:12:53,586 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.32 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 08:12:53,587 INFO L168 Benchmark]: Boogie Preprocessor took 22.66 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 08:12:53,588 INFO L168 Benchmark]: RCFGBuilder took 268.86 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 08:12:53,589 INFO L168 Benchmark]: TraceAbstraction took 1032.94 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 08:12:53,595 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 0.18 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 42.32 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 22.66 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 268.86 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 1032.94 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 35]: 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: 15]: Loop Invariant Derived loop invariant: ((((((main_~i~4 + 3 <= main_~j~4 && main_~j~4 <= main_~i~4 + 3) && main_~j~4 <= 8) && 8 <= main_~j~4) || (((10 <= main_~j~4 && main_~j~4 <= 10) && main_~j~4 <= main_~i~4 + 9) && main_~i~4 + 9 <= main_~j~4)) || (((7 <= main_~j~4 && main_~i~4 <= main_~j~4) && main_~j~4 <= 7) && main_~j~4 <= main_~i~4)) || ((main_~j~4 <= 6 && 6 <= main_~j~4) && main_~j~4 + 3 <= main_~i~4)) || (((main_~i~4 + 6 <= main_~j~4 && main_~j~4 <= main_~i~4 + 6) && main_~j~4 <= 9) && 9 <= main_~j~4) - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: ((((((main_~i~4 + 3 <= main_~j~4 && main_~j~4 <= main_~i~4 + 3) && main_~j~4 <= 8) && 8 <= main_~j~4) || (((10 <= main_~j~4 && main_~j~4 <= 10) && main_~j~4 <= main_~i~4 + 9) && main_~i~4 + 9 <= main_~j~4)) || ((main_~j~4 <= 6 && 6 <= main_~j~4) && main_~j~4 + 3 <= main_~i~4)) || (((7 <= main_~j~4 && main_~i~4 <= main_~j~4) && main_~j~4 <= 7) && main_~j~4 <= main_~i~4)) || (((main_~i~4 + 6 <= main_~j~4 && main_~j~4 <= main_~i~4 + 6) && main_~j~4 <= 9) && 9 <= main_~j~4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 0.9s OverallTime, 6 OverallIterations, 6 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 30 SDtfs, 0 SDslu, 49 SDs, 0 SdLazy, 67 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=5, 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, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 16 NumberOfFragments, 158 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 2106 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 30/70 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/cggmp2005.c.i_3.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-12-53-612.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/cggmp2005.c.i_3.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_08-12-53-612.csv Received shutdown request...