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/s3_srvr_2.BV.c.cil.c_13.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:19:47,564 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:19:47,566 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:19:47,579 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-09-26 08:19:47,623 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-nestedInterpolants.epf [2018-09-26 08:19:47,643 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:19:47,643 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:19:47,648 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 08:19:47,649 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-09-26 08:19:47,649 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:19:47,649 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-09-26 08:19:47,649 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-09-26 08:19:47,650 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:19:47,711 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:19:47,727 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:19:47,730 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:19:47,731 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:19:47,732 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:19:47,732 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_2.BV.c.cil.c_13.bpl [2018-09-26 08:19:47,733 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_2.BV.c.cil.c_13.bpl' [2018-09-26 08:19:47,800 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:19:47,804 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:19:47,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:19:47,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:19:47,805 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:19:47,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "s3_srvr_2.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:19:47" (1/1) ... [2018-09-26 08:19:47,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "s3_srvr_2.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:19:47" (1/1) ... [2018-09-26 08:19:47,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:19:47,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:19:47,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:19:47,851 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:19:47,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_srvr_2.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:19:47" (1/1) ... [2018-09-26 08:19:47,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_srvr_2.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:19:47" (1/1) ... [2018-09-26 08:19:47,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_srvr_2.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:19:47" (1/1) ... [2018-09-26 08:19:47,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_srvr_2.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:19:47" (1/1) ... [2018-09-26 08:19:47,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_srvr_2.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:19:47" (1/1) ... [2018-09-26 08:19:47,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_srvr_2.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:19:47" (1/1) ... [2018-09-26 08:19:47,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_srvr_2.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:19:47" (1/1) ... [2018-09-26 08:19:47,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:19:47,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:19:47,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:19:47,884 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:19:47,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_srvr_2.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:19:47" (1/1) ... [2018-09-26 08:19:47,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 08:19:47,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 08:19:48,452 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 08:19:48,453 INFO L202 PluginConnector]: Adding new model s3_srvr_2.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:19:48 BoogieIcfgContainer [2018-09-26 08:19:48,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:19:48,455 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:19:48,455 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:19:48,458 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:19:48,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_srvr_2.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:19:47" (1/2) ... [2018-09-26 08:19:48,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ae6cb59 and model type s3_srvr_2.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:19:48, skipping insertion in model container [2018-09-26 08:19:48,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_srvr_2.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:19:48" (2/2) ... [2018-09-26 08:19:48,463 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_2.BV.c.cil.c_13.bpl [2018-09-26 08:19:48,472 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:19:48,481 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:19:48,527 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:19:48,528 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:19:48,528 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:19:48,528 INFO L383 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-09-26 08:19:48,528 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:19:48,528 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:19:48,529 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:19:48,529 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:19:48,529 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:19:48,543 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2018-09-26 08:19:48,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 08:19:48,552 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:19:48,553 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-09-26 08:19:48,554 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:19:48,561 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:19:48,561 INFO L82 PathProgramCache]: Analyzing trace with hash 212232727, now seen corresponding path program 1 times [2018-09-26 08:19:48,567 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:19:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 08:19:48,688 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 08:19:48,690 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:19:48,691 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 08:19:48,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 08:19:48,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 08:19:48,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 08:19:48,712 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2018-09-26 08:19:48,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:19:48,799 INFO L93 Difference]: Finished difference Result 26 states and 39 transitions. [2018-09-26 08:19:48,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 08:19:48,806 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-09-26 08:19:48,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:19:48,834 INFO L225 Difference]: With dead ends: 26 [2018-09-26 08:19:48,834 INFO L226 Difference]: Without dead ends: 16 [2018-09-26 08:19:48,840 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 08:19:48,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-09-26 08:19:48,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-09-26 08:19:48,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-09-26 08:19:48,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 23 transitions. [2018-09-26 08:19:48,882 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 23 transitions. Word has length 8 [2018-09-26 08:19:48,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:19:48,883 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 23 transitions. [2018-09-26 08:19:48,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 08:19:48,883 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2018-09-26 08:19:48,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 08:19:48,884 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:19:48,885 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-26 08:19:48,885 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:19:48,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:19:48,885 INFO L82 PathProgramCache]: Analyzing trace with hash -250815121, now seen corresponding path program 1 times [2018-09-26 08:19:48,886 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:19:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 08:19:48,939 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 08:19:48,939 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:19:48,939 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-26 08:19:48,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 08:19:48,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 08:19:48,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 08:19:48,942 INFO L87 Difference]: Start difference. First operand 16 states and 23 transitions. Second operand 3 states. [2018-09-26 08:19:48,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:19:49,000 INFO L93 Difference]: Finished difference Result 31 states and 45 transitions. [2018-09-26 08:19:49,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 08:19:49,000 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-09-26 08:19:49,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:19:49,005 INFO L225 Difference]: With dead ends: 31 [2018-09-26 08:19:49,005 INFO L226 Difference]: Without dead ends: 29 [2018-09-26 08:19:49,008 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 08:19:49,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-09-26 08:19:49,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-09-26 08:19:49,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-09-26 08:19:49,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 43 transitions. [2018-09-26 08:19:49,022 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 43 transitions. Word has length 11 [2018-09-26 08:19:49,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:19:49,023 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 43 transitions. [2018-09-26 08:19:49,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 08:19:49,023 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2018-09-26 08:19:49,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 08:19:49,024 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:19:49,024 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2018-09-26 08:19:49,026 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:19:49,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:19:49,026 INFO L82 PathProgramCache]: Analyzing trace with hash 180957294, now seen corresponding path program 1 times [2018-09-26 08:19:49,026 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:19:49,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 08:19:49,091 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-26 08:19:49,091 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:19:49,092 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 08:19:49,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 08:19:49,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 08:19:49,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 08:19:49,093 INFO L87 Difference]: Start difference. First operand 29 states and 43 transitions. Second operand 3 states. [2018-09-26 08:19:49,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:19:49,139 INFO L93 Difference]: Finished difference Result 65 states and 97 transitions. [2018-09-26 08:19:49,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 08:19:49,139 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-09-26 08:19:49,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:19:49,141 INFO L225 Difference]: With dead ends: 65 [2018-09-26 08:19:49,142 INFO L226 Difference]: Without dead ends: 37 [2018-09-26 08:19:49,143 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 08:19:49,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-09-26 08:19:49,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-09-26 08:19:49,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-09-26 08:19:49,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 51 transitions. [2018-09-26 08:19:49,168 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 51 transitions. Word has length 17 [2018-09-26 08:19:49,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:19:49,168 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 51 transitions. [2018-09-26 08:19:49,168 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 08:19:49,169 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2018-09-26 08:19:49,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 08:19:49,170 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:19:49,170 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-26 08:19:49,170 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:19:49,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:19:49,171 INFO L82 PathProgramCache]: Analyzing trace with hash -1338834922, now seen corresponding path program 1 times [2018-09-26 08:19:49,171 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:19:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 08:19:49,243 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 08:19:49,243 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:19:49,243 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-26 08:19:49,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 08:19:49,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 08:19:49,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 08:19:49,245 INFO L87 Difference]: Start difference. First operand 37 states and 51 transitions. Second operand 3 states. [2018-09-26 08:19:49,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:19:49,289 INFO L93 Difference]: Finished difference Result 83 states and 117 transitions. [2018-09-26 08:19:49,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 08:19:49,289 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-09-26 08:19:49,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:19:49,291 INFO L225 Difference]: With dead ends: 83 [2018-09-26 08:19:49,291 INFO L226 Difference]: Without dead ends: 47 [2018-09-26 08:19:49,292 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 08:19:49,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-09-26 08:19:49,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 44. [2018-09-26 08:19:49,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-09-26 08:19:49,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 56 transitions. [2018-09-26 08:19:49,305 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 56 transitions. Word has length 20 [2018-09-26 08:19:49,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:19:49,306 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 56 transitions. [2018-09-26 08:19:49,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 08:19:49,306 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2018-09-26 08:19:49,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-26 08:19:49,307 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:19:49,307 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2018-09-26 08:19:49,308 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:19:49,308 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:19:49,308 INFO L82 PathProgramCache]: Analyzing trace with hash -18544326, now seen corresponding path program 1 times [2018-09-26 08:19:49,308 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:19:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 08:19:49,379 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 08:19:49,379 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-09-26 08:19:49,380 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-09-26 08:19:49,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-26 08:19:49,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-26 08:19:49,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-26 08:19:49,381 INFO L87 Difference]: Start difference. First operand 44 states and 56 transitions. Second operand 5 states. [2018-09-26 08:19:49,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:19:49,475 INFO L93 Difference]: Finished difference Result 129 states and 166 transitions. [2018-09-26 08:19:49,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-26 08:19:49,476 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-09-26 08:19:49,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:19:49,477 INFO L225 Difference]: With dead ends: 129 [2018-09-26 08:19:49,478 INFO L226 Difference]: Without dead ends: 86 [2018-09-26 08:19:49,479 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 08:19:49,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-09-26 08:19:49,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 67. [2018-09-26 08:19:49,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-09-26 08:19:49,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 83 transitions. [2018-09-26 08:19:49,497 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 83 transitions. Word has length 21 [2018-09-26 08:19:49,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:19:49,498 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 83 transitions. [2018-09-26 08:19:49,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-26 08:19:49,498 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 83 transitions. [2018-09-26 08:19:49,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-26 08:19:49,499 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:19:49,499 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2018-09-26 08:19:49,500 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:19:49,500 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:19:49,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1570940154, now seen corresponding path program 1 times [2018-09-26 08:19:49,500 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:19:49,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 08:19:49,528 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-09-26 08:19:49,528 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:19:49,529 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 08:19:49,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 08:19:49,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 08:19:49,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 08:19:49,530 INFO L87 Difference]: Start difference. First operand 67 states and 83 transitions. Second operand 3 states. [2018-09-26 08:19:49,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:19:49,570 INFO L93 Difference]: Finished difference Result 137 states and 171 transitions. [2018-09-26 08:19:49,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 08:19:49,571 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-09-26 08:19:49,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:19:49,575 INFO L225 Difference]: With dead ends: 137 [2018-09-26 08:19:49,575 INFO L226 Difference]: Without dead ends: 71 [2018-09-26 08:19:49,580 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 08:19:49,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-09-26 08:19:49,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2018-09-26 08:19:49,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-09-26 08:19:49,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 86 transitions. [2018-09-26 08:19:49,610 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 86 transitions. Word has length 23 [2018-09-26 08:19:49,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:19:49,613 INFO L480 AbstractCegarLoop]: Abstraction has 69 states and 86 transitions. [2018-09-26 08:19:49,613 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 08:19:49,614 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2018-09-26 08:19:49,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 08:19:49,615 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:19:49,615 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 4, 2, 2, 1, 1, 1, 1, 1, 1] [2018-09-26 08:19:49,617 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:19:49,617 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:19:49,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1576186804, now seen corresponding path program 1 times [2018-09-26 08:19:49,618 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:19:49,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 08:19:49,664 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-09-26 08:19:49,665 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:19:49,665 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 08:19:49,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 08:19:49,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 08:19:49,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 08:19:49,667 INFO L87 Difference]: Start difference. First operand 69 states and 86 transitions. Second operand 3 states. [2018-09-26 08:19:49,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:19:49,713 INFO L93 Difference]: Finished difference Result 142 states and 178 transitions. [2018-09-26 08:19:49,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 08:19:49,714 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2018-09-26 08:19:49,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:19:49,715 INFO L225 Difference]: With dead ends: 142 [2018-09-26 08:19:49,715 INFO L226 Difference]: Without dead ends: 71 [2018-09-26 08:19:49,716 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 08:19:49,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-09-26 08:19:49,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-09-26 08:19:49,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-09-26 08:19:49,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 84 transitions. [2018-09-26 08:19:49,740 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 84 transitions. Word has length 36 [2018-09-26 08:19:49,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:19:49,741 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 84 transitions. [2018-09-26 08:19:49,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 08:19:49,743 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 84 transitions. [2018-09-26 08:19:49,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-26 08:19:49,744 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:19:49,745 INFO L375 BasicCegarLoop]: trace histogram [8, 7, 7, 5, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2018-09-26 08:19:49,745 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:19:49,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:19:49,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1527084167, now seen corresponding path program 1 times [2018-09-26 08:19:49,747 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:19:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 08:19:49,819 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-09-26 08:19:49,820 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-09-26 08:19:49,820 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-09-26 08:19:49,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 08:19:49,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 08:19:49,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:19:49,822 INFO L87 Difference]: Start difference. First operand 71 states and 84 transitions. Second operand 4 states. [2018-09-26 08:19:49,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:19:49,913 INFO L93 Difference]: Finished difference Result 145 states and 172 transitions. [2018-09-26 08:19:49,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-26 08:19:49,914 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2018-09-26 08:19:49,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:19:49,914 INFO L225 Difference]: With dead ends: 145 [2018-09-26 08:19:49,914 INFO L226 Difference]: Without dead ends: 0 [2018-09-26 08:19:49,916 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 08:19:49,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-26 08:19:49,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-26 08:19:49,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-26 08:19:49,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-26 08:19:49,917 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2018-09-26 08:19:49,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:19:49,917 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-26 08:19:49,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 08:19:49,918 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-26 08:19:49,918 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-26 08:19:49,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-26 08:19:49,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-26 08:19:49,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-26 08:19:49,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-26 08:19:49,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-26 08:19:49,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-26 08:19:50,213 INFO L426 ceAbstractionStarter]: For program point L283(lines 283 302) no Hoare annotation was computed. [2018-09-26 08:19:50,215 INFO L422 ceAbstractionStarter]: At program point L275(lines 238 275) the Hoare annotation is: (let ((.cse1 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3)) (.cse0 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~4)))) (or (and (= ULTIMATE.start_ssl3_accept_~blastFlag~4 2) .cse0 .cse1) (and (not (= 8656 ULTIMATE.start_ssl3_accept_~s__state~4)) .cse2 .cse0 .cse1) (and (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4) .cse2 .cse0) (= ULTIMATE.start_ssl3_accept_~blastFlag~4 1))) [2018-09-26 08:19:50,216 INFO L422 ceAbstractionStarter]: At program point L271(lines 271 284) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3)) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~4)))) (or (and (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4) .cse0 .cse1) (and .cse0 .cse1 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) (= ULTIMATE.start_ssl3_accept_~blastFlag~4 1))) [2018-09-26 08:19:50,217 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 2 380) the Hoare annotation is: true [2018-09-26 08:19:50,217 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 2 380) no Hoare annotation was computed. [2018-09-26 08:19:50,218 INFO L422 ceAbstractionStarter]: At program point L251(lines 251 267) the Hoare annotation is: (let ((.cse1 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3)) (.cse0 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~4)))) (or (and (= ULTIMATE.start_ssl3_accept_~blastFlag~4 2) .cse0 .cse1) (and (not (= 8656 ULTIMATE.start_ssl3_accept_~s__state~4)) .cse2 .cse0 .cse1) (and (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4) .cse2 .cse0) (= ULTIMATE.start_ssl3_accept_~blastFlag~4 1))) [2018-09-26 08:19:50,218 INFO L422 ceAbstractionStarter]: At program point L371(lines 371 378) the Hoare annotation is: false [2018-09-26 08:19:50,218 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 379) the Hoare annotation is: false [2018-09-26 08:19:50,218 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.startEXIT(lines 2 380) the Hoare annotation is: false [2018-09-26 08:19:50,219 INFO L426 ceAbstractionStarter]: For program point L306(lines 301 325) no Hoare annotation was computed. [2018-09-26 08:19:50,219 INFO L422 ceAbstractionStarter]: At program point L348(lines 348 368) the Hoare annotation is: (and (not (= 8656 ULTIMATE.start_ssl3_accept_~s__state~4)) (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~4) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3)) [2018-09-26 08:19:50,220 INFO L422 ceAbstractionStarter]: At program point L377(lines 266 377) the Hoare annotation is: (let ((.cse0 (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~4)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3))) (or (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~4 2)) (and (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4) .cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~4))) (and (not (= 8656 ULTIMATE.start_ssl3_accept_~s__state~4)) .cse0 .cse1) (= ULTIMATE.start_ssl3_accept_~blastFlag~4 1))) [2018-09-26 08:19:50,220 INFO L426 ceAbstractionStarter]: For program point L340(lines 340 355) no Hoare annotation was computed. [2018-09-26 08:19:50,223 INFO L422 ceAbstractionStarter]: At program point L295(lines 295 314) the Hoare annotation is: (let ((.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3)) (.cse0 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~4)))) (or (and (= ULTIMATE.start_ssl3_accept_~blastFlag~4 1) .cse0) (and (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4) .cse1 .cse0) (and .cse1 .cse0 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))))) [2018-09-26 08:19:50,224 INFO L426 ceAbstractionStarter]: For program point L357(lines 354 372) no Hoare annotation was computed. [2018-09-26 08:19:50,225 INFO L422 ceAbstractionStarter]: At program point L324(lines 324 341) the Hoare annotation is: (let ((.cse0 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse1 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4)))) (or (and (not (= 8656 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8672 ULTIMATE.start_ssl3_accept_~s__state~4)) .cse0 .cse1) (and (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3) .cse0) .cse1))) [2018-09-26 08:19:50,247 INFO L202 PluginConnector]: Adding new model s3_srvr_2.BV.c.cil.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 08:19:50 BoogieIcfgContainer [2018-09-26 08:19:50,247 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 08:19:50,248 INFO L168 Benchmark]: Toolchain (without parser) took 2447.19 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 158.5 MB). Peak memory consumption was 158.5 MB. Max. memory is 7.1 GB. [2018-09-26 08:19:50,252 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 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 08:19:50,253 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.63 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:19:50,254 INFO L168 Benchmark]: Boogie Preprocessor took 32.45 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 08:19:50,254 INFO L168 Benchmark]: RCFGBuilder took 570.08 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 08:19:50,257 INFO L168 Benchmark]: TraceAbstraction took 1792.43 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. [2018-09-26 08:19:50,265 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 0.15 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 45.63 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 32.45 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 570.08 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1792.43 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 379]: 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: 271]: Loop Invariant Derived loop invariant: (((8640 <= ssl3_accept_~s__s3__tmp__next_state___0~4 && ssl3_accept_~blastFlag~4 <= 3) && !(8496 == ssl3_accept_~s__state~4)) || ((ssl3_accept_~blastFlag~4 <= 3 && !(8496 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4))) || ssl3_accept_~blastFlag~4 == 1 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: (((!(8656 == ssl3_accept_~s__state~4) && !(8672 == ssl3_accept_~s__state~4)) && !(8496 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4)) || ((ssl3_accept_~blastFlag~4 <= 3 && !(8496 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4)) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (((8656 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 == 2) || ((8640 <= ssl3_accept_~s__s3__tmp__next_state___0~4 && ssl3_accept_~blastFlag~4 <= 3) && !(8496 == ssl3_accept_~s__state~4))) || ((!(8656 == ssl3_accept_~s__state~4) && 8656 <= ssl3_accept_~s__state~4) && ssl3_accept_~blastFlag~4 <= 3)) || ssl3_accept_~blastFlag~4 == 1 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: ((((ssl3_accept_~blastFlag~4 == 2 && !(8496 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4)) || (((!(8656 == ssl3_accept_~s__state~4) && ssl3_accept_~blastFlag~4 <= 3) && !(8496 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4))) || ((8640 <= ssl3_accept_~s__s3__tmp__next_state___0~4 && ssl3_accept_~blastFlag~4 <= 3) && !(8496 == ssl3_accept_~s__state~4))) || ssl3_accept_~blastFlag~4 == 1 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: ((ssl3_accept_~blastFlag~4 == 1 && !(8496 == ssl3_accept_~s__state~4)) || ((8640 <= ssl3_accept_~s__s3__tmp__next_state___0~4 && ssl3_accept_~blastFlag~4 <= 3) && !(8496 == ssl3_accept_~s__state~4))) || ((ssl3_accept_~blastFlag~4 <= 3 && !(8496 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4)) - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: (!(8656 == ssl3_accept_~s__state~4) && 8656 <= ssl3_accept_~s__state~4) && ssl3_accept_~blastFlag~4 <= 3 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: ((((ssl3_accept_~blastFlag~4 == 2 && !(8496 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4)) || (((!(8656 == ssl3_accept_~s__state~4) && ssl3_accept_~blastFlag~4 <= 3) && !(8496 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4))) || ((8640 <= ssl3_accept_~s__s3__tmp__next_state___0~4 && ssl3_accept_~blastFlag~4 <= 3) && !(8496 == ssl3_accept_~s__state~4))) || ssl3_accept_~blastFlag~4 == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. SAFE Result, 1.7s OverallTime, 8 OverallIterations, 8 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 98 SDtfs, 37 SDslu, 61 SDs, 0 SdLazy, 137 SolverSat, 31 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=7, 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: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 24 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 92 NumberOfFragments, 224 HoareAnnotationTreeSize, 11 FomulaSimplifications, 1667 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 11 FomulaSimplificationsInter, 615 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 179 NumberOfCodeBlocks, 179 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 171 ConstructedInterpolants, 0 QuantifiedInterpolants, 7443 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 246/264 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/s3_srvr_2.BV.c.cil.c_13.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-19-50-297.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/s3_srvr_2.BV.c.cil.c_13.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_08-19-50-297.csv Received shutdown request...