java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-nestedInterpolants.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_clnt_1.cil.c_16.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 08:49:38,830 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 08:49:38,832 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 08:49:38,848 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 08:49:38,849 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 08:49:38,850 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 08:49:38,851 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 08:49:38,853 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 08:49:38,854 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 08:49:38,855 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 08:49:38,856 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-07-25 08:49:38,881 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-nestedInterpolants.epf [2018-07-25 08:49:38,895 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 08:49:38,896 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 08:49:38,897 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-25 08:49:38,897 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-25 08:49:38,897 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 08:49:38,897 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-25 08:49:38,898 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 08:49:38,898 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 08:49:38,949 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 08:49:38,966 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 08:49:38,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 08:49:38,975 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 08:49:38,976 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 08:49:38,977 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_clnt_1.cil.c_16.bpl [2018-07-25 08:49:38,977 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_clnt_1.cil.c_16.bpl' [2018-07-25 08:49:39,081 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 08:49:39,083 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 08:49:39,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 08:49:39,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 08:49:39,086 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 08:49:39,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "s3_clnt_1.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 08:49:39" (1/1) ... [2018-07-25 08:49:39,125 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "s3_clnt_1.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 08:49:39" (1/1) ... [2018-07-25 08:49:39,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 08:49:39,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 08:49:39,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 08:49:39,134 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 08:49:39,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_clnt_1.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 08:49:39" (1/1) ... [2018-07-25 08:49:39,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_clnt_1.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 08:49:39" (1/1) ... [2018-07-25 08:49:39,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_clnt_1.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 08:49:39" (1/1) ... [2018-07-25 08:49:39,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_clnt_1.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 08:49:39" (1/1) ... [2018-07-25 08:49:39,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_clnt_1.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 08:49:39" (1/1) ... [2018-07-25 08:49:39,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_clnt_1.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 08:49:39" (1/1) ... [2018-07-25 08:49:39,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_clnt_1.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 08:49:39" (1/1) ... [2018-07-25 08:49:39,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 08:49:39,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 08:49:39,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 08:49:39,210 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 08:49:39,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_clnt_1.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 08:49:39" (1/1) ... [2018-07-25 08:49:39,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 08:49:39,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 08:49:39,934 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 08:49:39,935 INFO L202 PluginConnector]: Adding new model s3_clnt_1.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 08:49:39 BoogieIcfgContainer [2018-07-25 08:49:39,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 08:49:39,937 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 08:49:39,937 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 08:49:39,940 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 08:49:39,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_clnt_1.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 08:49:39" (1/2) ... [2018-07-25 08:49:39,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d210b45 and model type s3_clnt_1.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 08:49:39, skipping insertion in model container [2018-07-25 08:49:39,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_clnt_1.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 08:49:39" (2/2) ... [2018-07-25 08:49:39,945 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_clnt_1.cil.c_16.bpl [2018-07-25 08:49:39,959 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-25 08:49:39,970 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 08:49:40,021 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 08:49:40,022 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 08:49:40,023 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 08:49:40,023 INFO L376 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-25 08:49:40,023 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 08:49:40,023 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 08:49:40,024 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 08:49:40,024 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 08:49:40,024 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 08:49:40,039 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2018-07-25 08:49:40,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-07-25 08:49:40,048 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 08:49:40,049 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 08:49:40,050 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 08:49:40,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1912595551, now seen corresponding path program 1 times [2018-07-25 08:49:40,062 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 08:49:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 08:49:40,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-25 08:49:40,183 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 08:49:40,183 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 08:49:40,189 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 08:49:40,204 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 08:49:40,205 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 08:49:40,208 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 3 states. [2018-07-25 08:49:40,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 08:49:40,304 INFO L93 Difference]: Finished difference Result 29 states and 46 transitions. [2018-07-25 08:49:40,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 08:49:40,310 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-07-25 08:49:40,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 08:49:40,334 INFO L225 Difference]: With dead ends: 29 [2018-07-25 08:49:40,334 INFO L226 Difference]: Without dead ends: 16 [2018-07-25 08:49:40,338 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 08:49:40,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-07-25 08:49:40,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-07-25 08:49:40,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-07-25 08:49:40,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 23 transitions. [2018-07-25 08:49:40,381 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 23 transitions. Word has length 10 [2018-07-25 08:49:40,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 08:49:40,381 INFO L472 AbstractCegarLoop]: Abstraction has 16 states and 23 transitions. [2018-07-25 08:49:40,381 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 08:49:40,381 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2018-07-25 08:49:40,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-07-25 08:49:40,382 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 08:49:40,382 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 08:49:40,383 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 08:49:40,383 INFO L82 PathProgramCache]: Analyzing trace with hash -694754889, now seen corresponding path program 1 times [2018-07-25 08:49:40,383 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 08:49:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 08:49:40,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-25 08:49:40,451 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 08:49:40,451 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 08:49:40,456 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 08:49:40,456 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 08:49:40,457 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 08:49:40,457 INFO L87 Difference]: Start difference. First operand 16 states and 23 transitions. Second operand 3 states. [2018-07-25 08:49:40,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 08:49:40,551 INFO L93 Difference]: Finished difference Result 33 states and 49 transitions. [2018-07-25 08:49:40,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 08:49:40,555 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-07-25 08:49:40,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 08:49:40,556 INFO L225 Difference]: With dead ends: 33 [2018-07-25 08:49:40,556 INFO L226 Difference]: Without dead ends: 20 [2018-07-25 08:49:40,560 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 08:49:40,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-07-25 08:49:40,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-07-25 08:49:40,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-07-25 08:49:40,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2018-07-25 08:49:40,569 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 27 transitions. Word has length 13 [2018-07-25 08:49:40,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 08:49:40,569 INFO L472 AbstractCegarLoop]: Abstraction has 20 states and 27 transitions. [2018-07-25 08:49:40,569 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 08:49:40,570 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-07-25 08:49:40,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-07-25 08:49:40,572 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 08:49:40,572 INFO L354 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 08:49:40,573 INFO L415 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 08:49:40,573 INFO L82 PathProgramCache]: Analyzing trace with hash 479368949, now seen corresponding path program 1 times [2018-07-25 08:49:40,574 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 08:49:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 08:49:40,622 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-07-25 08:49:40,625 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 08:49:40,625 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 08:49:40,625 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 08:49:40,626 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 08:49:40,626 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 08:49:40,626 INFO L87 Difference]: Start difference. First operand 20 states and 27 transitions. Second operand 3 states. [2018-07-25 08:49:40,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 08:49:40,702 INFO L93 Difference]: Finished difference Result 42 states and 59 transitions. [2018-07-25 08:49:40,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 08:49:40,706 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-07-25 08:49:40,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 08:49:40,707 INFO L225 Difference]: With dead ends: 42 [2018-07-25 08:49:40,707 INFO L226 Difference]: Without dead ends: 25 [2018-07-25 08:49:40,708 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 08:49:40,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-07-25 08:49:40,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-07-25 08:49:40,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-07-25 08:49:40,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2018-07-25 08:49:40,718 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 32 transitions. Word has length 17 [2018-07-25 08:49:40,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 08:49:40,718 INFO L472 AbstractCegarLoop]: Abstraction has 25 states and 32 transitions. [2018-07-25 08:49:40,719 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 08:49:40,719 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2018-07-25 08:49:40,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-07-25 08:49:40,720 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 08:49:40,721 INFO L354 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 08:49:40,721 INFO L415 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 08:49:40,722 INFO L82 PathProgramCache]: Analyzing trace with hash 2107312679, now seen corresponding path program 1 times [2018-07-25 08:49:40,722 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 08:49:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 08:49:40,766 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-07-25 08:49:40,767 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 08:49:40,767 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 08:49:40,769 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 08:49:40,769 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 08:49:40,770 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 08:49:40,771 INFO L87 Difference]: Start difference. First operand 25 states and 32 transitions. Second operand 3 states. [2018-07-25 08:49:40,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 08:49:40,836 INFO L93 Difference]: Finished difference Result 53 states and 71 transitions. [2018-07-25 08:49:40,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 08:49:40,837 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-07-25 08:49:40,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 08:49:40,839 INFO L225 Difference]: With dead ends: 53 [2018-07-25 08:49:40,839 INFO L226 Difference]: Without dead ends: 31 [2018-07-25 08:49:40,840 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 08:49:40,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-07-25 08:49:40,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-07-25 08:49:40,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-07-25 08:49:40,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2018-07-25 08:49:40,855 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 38 transitions. Word has length 22 [2018-07-25 08:49:40,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 08:49:40,855 INFO L472 AbstractCegarLoop]: Abstraction has 31 states and 38 transitions. [2018-07-25 08:49:40,856 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 08:49:40,856 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2018-07-25 08:49:40,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-07-25 08:49:40,859 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 08:49:40,859 INFO L354 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 08:49:40,860 INFO L415 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 08:49:40,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1908478443, now seen corresponding path program 1 times [2018-07-25 08:49:40,861 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 08:49:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 08:49:40,897 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-07-25 08:49:40,898 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 08:49:40,898 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 08:49:40,899 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 08:49:40,899 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 08:49:40,899 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 08:49:40,900 INFO L87 Difference]: Start difference. First operand 31 states and 38 transitions. Second operand 3 states. [2018-07-25 08:49:40,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 08:49:40,960 INFO L93 Difference]: Finished difference Result 66 states and 85 transitions. [2018-07-25 08:49:40,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 08:49:40,961 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2018-07-25 08:49:40,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 08:49:40,963 INFO L225 Difference]: With dead ends: 66 [2018-07-25 08:49:40,964 INFO L226 Difference]: Without dead ends: 38 [2018-07-25 08:49:40,965 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 08:49:40,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-07-25 08:49:40,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-07-25 08:49:40,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-07-25 08:49:40,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2018-07-25 08:49:40,980 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 45 transitions. Word has length 28 [2018-07-25 08:49:40,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 08:49:40,981 INFO L472 AbstractCegarLoop]: Abstraction has 38 states and 45 transitions. [2018-07-25 08:49:40,981 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 08:49:40,982 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2018-07-25 08:49:40,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-07-25 08:49:40,984 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 08:49:40,984 INFO L354 BasicCegarLoop]: trace histogram [6, 5, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 08:49:40,987 INFO L415 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 08:49:40,988 INFO L82 PathProgramCache]: Analyzing trace with hash 685039927, now seen corresponding path program 1 times [2018-07-25 08:49:40,988 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 08:49:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 08:49:41,038 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-07-25 08:49:41,039 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 08:49:41,039 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 08:49:41,040 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 08:49:41,040 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 08:49:41,040 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 08:49:41,041 INFO L87 Difference]: Start difference. First operand 38 states and 45 transitions. Second operand 3 states. [2018-07-25 08:49:41,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 08:49:41,091 INFO L93 Difference]: Finished difference Result 55 states and 69 transitions. [2018-07-25 08:49:41,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 08:49:41,091 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2018-07-25 08:49:41,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 08:49:41,093 INFO L225 Difference]: With dead ends: 55 [2018-07-25 08:49:41,093 INFO L226 Difference]: Without dead ends: 53 [2018-07-25 08:49:41,094 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 08:49:41,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-07-25 08:49:41,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 49. [2018-07-25 08:49:41,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-07-25 08:49:41,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 63 transitions. [2018-07-25 08:49:41,105 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 63 transitions. Word has length 35 [2018-07-25 08:49:41,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 08:49:41,106 INFO L472 AbstractCegarLoop]: Abstraction has 49 states and 63 transitions. [2018-07-25 08:49:41,106 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 08:49:41,106 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2018-07-25 08:49:41,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-07-25 08:49:41,107 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 08:49:41,110 INFO L354 BasicCegarLoop]: trace histogram [7, 6, 6, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 08:49:41,111 INFO L415 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 08:49:41,111 INFO L82 PathProgramCache]: Analyzing trace with hash -82130889, now seen corresponding path program 1 times [2018-07-25 08:49:41,112 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 08:49:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 08:49:41,160 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-07-25 08:49:41,161 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 08:49:41,162 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 08:49:41,163 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 08:49:41,163 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 08:49:41,163 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 08:49:41,164 INFO L87 Difference]: Start difference. First operand 49 states and 63 transitions. Second operand 3 states. [2018-07-25 08:49:41,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 08:49:41,217 INFO L93 Difference]: Finished difference Result 103 states and 137 transitions. [2018-07-25 08:49:41,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 08:49:41,218 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2018-07-25 08:49:41,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 08:49:41,219 INFO L225 Difference]: With dead ends: 103 [2018-07-25 08:49:41,219 INFO L226 Difference]: Without dead ends: 57 [2018-07-25 08:49:41,220 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 08:49:41,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-07-25 08:49:41,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-07-25 08:49:41,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-07-25 08:49:41,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 71 transitions. [2018-07-25 08:49:41,230 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 71 transitions. Word has length 44 [2018-07-25 08:49:41,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 08:49:41,230 INFO L472 AbstractCegarLoop]: Abstraction has 57 states and 71 transitions. [2018-07-25 08:49:41,230 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 08:49:41,231 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2018-07-25 08:49:41,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-07-25 08:49:41,232 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 08:49:41,232 INFO L354 BasicCegarLoop]: trace histogram [8, 7, 7, 6, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 08:49:41,232 INFO L415 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 08:49:41,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1942977721, now seen corresponding path program 1 times [2018-07-25 08:49:41,233 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 08:49:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 08:49:41,275 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-07-25 08:49:41,275 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 08:49:41,276 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 08:49:41,276 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 08:49:41,276 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 08:49:41,277 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 08:49:41,277 INFO L87 Difference]: Start difference. First operand 57 states and 71 transitions. Second operand 3 states. [2018-07-25 08:49:41,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 08:49:41,326 INFO L93 Difference]: Finished difference Result 121 states and 156 transitions. [2018-07-25 08:49:41,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 08:49:41,330 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-07-25 08:49:41,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 08:49:41,332 INFO L225 Difference]: With dead ends: 121 [2018-07-25 08:49:41,332 INFO L226 Difference]: Without dead ends: 67 [2018-07-25 08:49:41,333 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 08:49:41,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-07-25 08:49:41,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 66. [2018-07-25 08:49:41,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-07-25 08:49:41,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 81 transitions. [2018-07-25 08:49:41,351 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 81 transitions. Word has length 53 [2018-07-25 08:49:41,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 08:49:41,351 INFO L472 AbstractCegarLoop]: Abstraction has 66 states and 81 transitions. [2018-07-25 08:49:41,352 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 08:49:41,352 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 81 transitions. [2018-07-25 08:49:41,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-07-25 08:49:41,353 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 08:49:41,353 INFO L354 BasicCegarLoop]: trace histogram [9, 8, 8, 7, 6, 5, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 08:49:41,354 INFO L415 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 08:49:41,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1051764193, now seen corresponding path program 1 times [2018-07-25 08:49:41,354 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 08:49:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 08:49:41,432 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 82 proven. 8 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-07-25 08:49:41,432 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-25 08:49:41,433 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-07-25 08:49:41,433 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 08:49:41,434 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 08:49:41,434 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 08:49:41,435 INFO L87 Difference]: Start difference. First operand 66 states and 81 transitions. Second operand 4 states. [2018-07-25 08:49:41,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 08:49:41,538 INFO L93 Difference]: Finished difference Result 140 states and 177 transitions. [2018-07-25 08:49:41,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-25 08:49:41,539 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2018-07-25 08:49:41,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 08:49:41,543 INFO L225 Difference]: With dead ends: 140 [2018-07-25 08:49:41,545 INFO L226 Difference]: Without dead ends: 77 [2018-07-25 08:49:41,546 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 08:49:41,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-07-25 08:49:41,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 76. [2018-07-25 08:49:41,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-07-25 08:49:41,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 91 transitions. [2018-07-25 08:49:41,565 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 91 transitions. Word has length 63 [2018-07-25 08:49:41,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 08:49:41,566 INFO L472 AbstractCegarLoop]: Abstraction has 76 states and 91 transitions. [2018-07-25 08:49:41,566 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 08:49:41,566 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 91 transitions. [2018-07-25 08:49:41,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-07-25 08:49:41,570 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 08:49:41,570 INFO L354 BasicCegarLoop]: trace histogram [10, 9, 9, 8, 7, 6, 5, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 08:49:41,571 INFO L415 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 08:49:41,571 INFO L82 PathProgramCache]: Analyzing trace with hash -2001830647, now seen corresponding path program 2 times [2018-07-25 08:49:41,573 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 08:49:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 08:49:41,668 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 123 proven. 26 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-07-25 08:49:41,668 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-25 08:49:41,668 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-07-25 08:49:41,669 INFO L451 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-25 08:49:41,669 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-25 08:49:41,670 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-07-25 08:49:41,670 INFO L87 Difference]: Start difference. First operand 76 states and 91 transitions. Second operand 5 states. [2018-07-25 08:49:41,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 08:49:41,777 INFO L93 Difference]: Finished difference Result 160 states and 197 transitions. [2018-07-25 08:49:41,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-25 08:49:41,778 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2018-07-25 08:49:41,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 08:49:41,782 INFO L225 Difference]: With dead ends: 160 [2018-07-25 08:49:41,782 INFO L226 Difference]: Without dead ends: 87 [2018-07-25 08:49:41,784 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-07-25 08:49:41,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-07-25 08:49:41,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 86. [2018-07-25 08:49:41,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-07-25 08:49:41,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 101 transitions. [2018-07-25 08:49:41,801 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 101 transitions. Word has length 73 [2018-07-25 08:49:41,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 08:49:41,802 INFO L472 AbstractCegarLoop]: Abstraction has 86 states and 101 transitions. [2018-07-25 08:49:41,802 INFO L473 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-25 08:49:41,802 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 101 transitions. [2018-07-25 08:49:41,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-07-25 08:49:41,803 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 08:49:41,803 INFO L354 BasicCegarLoop]: trace histogram [11, 10, 10, 9, 8, 7, 6, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 08:49:41,804 INFO L415 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 08:49:41,804 INFO L82 PathProgramCache]: Analyzing trace with hash -1874361807, now seen corresponding path program 3 times [2018-07-25 08:49:41,804 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 08:49:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 08:49:41,914 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 164 proven. 54 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-07-25 08:49:41,914 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-25 08:49:41,914 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-07-25 08:49:41,915 INFO L451 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-25 08:49:41,915 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-25 08:49:41,915 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-25 08:49:41,916 INFO L87 Difference]: Start difference. First operand 86 states and 101 transitions. Second operand 6 states. [2018-07-25 08:49:42,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 08:49:42,040 INFO L93 Difference]: Finished difference Result 180 states and 217 transitions. [2018-07-25 08:49:42,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-25 08:49:42,041 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-07-25 08:49:42,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 08:49:42,042 INFO L225 Difference]: With dead ends: 180 [2018-07-25 08:49:42,042 INFO L226 Difference]: Without dead ends: 97 [2018-07-25 08:49:42,043 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-25 08:49:42,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-07-25 08:49:42,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 96. [2018-07-25 08:49:42,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-07-25 08:49:42,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 111 transitions. [2018-07-25 08:49:42,066 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 111 transitions. Word has length 83 [2018-07-25 08:49:42,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 08:49:42,071 INFO L472 AbstractCegarLoop]: Abstraction has 96 states and 111 transitions. [2018-07-25 08:49:42,071 INFO L473 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-25 08:49:42,071 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 111 transitions. [2018-07-25 08:49:42,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-07-25 08:49:42,073 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 08:49:42,073 INFO L354 BasicCegarLoop]: trace histogram [12, 11, 11, 10, 9, 8, 7, 5, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 08:49:42,078 INFO L415 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 08:49:42,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1742353753, now seen corresponding path program 4 times [2018-07-25 08:49:42,079 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 08:49:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 08:49:42,226 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 205 proven. 92 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-07-25 08:49:42,227 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-25 08:49:42,227 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-07-25 08:49:42,228 INFO L451 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-25 08:49:42,228 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-25 08:49:42,228 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-07-25 08:49:42,229 INFO L87 Difference]: Start difference. First operand 96 states and 111 transitions. Second operand 7 states. [2018-07-25 08:49:42,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 08:49:42,398 INFO L93 Difference]: Finished difference Result 217 states and 247 transitions. [2018-07-25 08:49:42,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-25 08:49:42,399 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2018-07-25 08:49:42,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 08:49:42,399 INFO L225 Difference]: With dead ends: 217 [2018-07-25 08:49:42,399 INFO L226 Difference]: Without dead ends: 0 [2018-07-25 08:49:42,400 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-07-25 08:49:42,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-25 08:49:42,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-25 08:49:42,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-25 08:49:42,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-25 08:49:42,404 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 93 [2018-07-25 08:49:42,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 08:49:42,404 INFO L472 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-25 08:49:42,404 INFO L473 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-25 08:49:42,404 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-25 08:49:42,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-25 08:49:42,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-25 08:49:42,585 INFO L418 ceAbstractionStarter]: At program point L353(lines 353 368) the Hoare annotation is: (or (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) (and (or (= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4) (= ULTIMATE.start_ssl3_connect_~s__state~4 4528) (= ULTIMATE.start_ssl3_connect_~s__state~4 4512)) (or (<= 4512 ULTIMATE.start_ssl3_connect_~s__state~4) (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352))) (= ULTIMATE.start_ssl3_connect_~s__state~4 4480)) [2018-07-25 08:49:42,586 INFO L418 ceAbstractionStarter]: At program point L420(lines 417 434) the Hoare annotation is: (or (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) (and (= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4) (or (<= 4512 ULTIMATE.start_ssl3_connect_~s__state~4) (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352))) (= ULTIMATE.start_ssl3_connect_~s__state~4 4528) (= ULTIMATE.start_ssl3_connect_~s__state~4 4512) (= ULTIMATE.start_ssl3_connect_~s__state~4 4480)) [2018-07-25 08:49:42,587 INFO L418 ceAbstractionStarter]: At program point L383(lines 383 410) the Hoare annotation is: (or (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) (and (or (= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4) (= ULTIMATE.start_ssl3_connect_~s__state~4 4528) (= ULTIMATE.start_ssl3_connect_~s__state~4 4512)) (or (<= 4512 ULTIMATE.start_ssl3_connect_~s__state~4) (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352))) (= ULTIMATE.start_ssl3_connect_~s__state~4 4480)) [2018-07-25 08:49:42,587 INFO L425 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 486) the Hoare annotation is: true [2018-07-25 08:49:42,589 INFO L418 ceAbstractionStarter]: At program point L317(lines 317 332) the Hoare annotation is: (or (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) (and (or (= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4) (= ULTIMATE.start_ssl3_connect_~s__state~4 4528) (= ULTIMATE.start_ssl3_connect_~s__state~4 4512)) (or (<= 4512 ULTIMATE.start_ssl3_connect_~s__state~4) (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352))) (= ULTIMATE.start_ssl3_connect_~s__state~4 4480)) [2018-07-25 08:49:42,589 INFO L422 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 486) no Hoare annotation was computed. [2018-07-25 08:49:42,590 INFO L418 ceAbstractionStarter]: At program point L379(lines 379 390) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) (= ULTIMATE.start_ssl3_connect_~s__state~4 4432)) [2018-07-25 08:49:42,590 INFO L418 ceAbstractionStarter]: At program point L371(lines 371 380) the Hoare annotation is: (or (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) (= ULTIMATE.start_ssl3_connect_~s__state~4 4480) (and (or (= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4) (= ULTIMATE.start_ssl3_connect_~s__state~4 4528) (= ULTIMATE.start_ssl3_connect_~s__state~4 4512)) (or (<= 4512 ULTIMATE.start_ssl3_connect_~s__state~4) (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)))) [2018-07-25 08:49:42,591 INFO L418 ceAbstractionStarter]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 419) the Hoare annotation is: false [2018-07-25 08:49:42,591 INFO L418 ceAbstractionStarter]: At program point L264(lines 264 288) the Hoare annotation is: (or (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) (= ULTIMATE.start_ssl3_connect_~s__state~4 4368) (and (or (= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4) (= ULTIMATE.start_ssl3_connect_~s__state~4 4528) (= ULTIMATE.start_ssl3_connect_~s__state~4 4512)) (or (<= 4512 ULTIMATE.start_ssl3_connect_~s__state~4) (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352))) (= ULTIMATE.start_ssl3_connect_~s__state~4 4480)) [2018-07-25 08:49:42,592 INFO L422 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 486) no Hoare annotation was computed. [2018-07-25 08:49:42,592 INFO L418 ceAbstractionStarter]: At program point L335(lines 335 350) the Hoare annotation is: (or (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) (and (or (= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4) (= ULTIMATE.start_ssl3_connect_~s__state~4 4528) (= ULTIMATE.start_ssl3_connect_~s__state~4 4512)) (or (<= 4512 ULTIMATE.start_ssl3_connect_~s__state~4) (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352))) (= ULTIMATE.start_ssl3_connect_~s__state~4 4480)) [2018-07-25 08:49:42,598 INFO L422 ceAbstractionStarter]: For program point L459(lines 459 476) no Hoare annotation was computed. [2018-07-25 08:49:42,599 INFO L418 ceAbstractionStarter]: At program point L298(lines 259 298) the Hoare annotation is: (or (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) (= ULTIMATE.start_ssl3_connect_~s__state~4 4368) (and (or (= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4) (= ULTIMATE.start_ssl3_connect_~s__state~4 4528) (= ULTIMATE.start_ssl3_connect_~s__state~4 4512)) (or (<= 4512 ULTIMATE.start_ssl3_connect_~s__state~4) (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352))) (= ULTIMATE.start_ssl3_connect_~s__state~4 4480)) [2018-07-25 08:49:42,599 INFO L418 ceAbstractionStarter]: At program point L294(lines 294 314) the Hoare annotation is: (or (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) (= ULTIMATE.start_ssl3_connect_~s__state~4 4368) (and (or (= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4) (= ULTIMATE.start_ssl3_connect_~s__state~4 4528) (= ULTIMATE.start_ssl3_connect_~s__state~4 4512)) (or (<= 4512 ULTIMATE.start_ssl3_connect_~s__state~4) (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352))) (= ULTIMATE.start_ssl3_connect_~s__state~4 4480)) [2018-07-25 08:49:42,600 INFO L418 ceAbstractionStarter]: At program point L389(lines 389 418) the Hoare annotation is: false [2018-07-25 08:49:42,600 INFO L422 ceAbstractionStarter]: For program point L439(lines 439 456) no Hoare annotation was computed. [2018-07-25 08:49:42,603 INFO L418 ceAbstractionStarter]: At program point L485(lines 287 485) the Hoare annotation is: (or (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) (= ULTIMATE.start_ssl3_connect_~s__state~4 4368) (and (or (= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4) (= ULTIMATE.start_ssl3_connect_~s__state~4 4528) (= ULTIMATE.start_ssl3_connect_~s__state~4 4512)) (or (<= 4512 ULTIMATE.start_ssl3_connect_~s__state~4) (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352))) (= ULTIMATE.start_ssl3_connect_~s__state~4 4480)) [2018-07-25 08:49:42,633 INFO L202 PluginConnector]: Adding new model s3_clnt_1.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 08:49:42 BoogieIcfgContainer [2018-07-25 08:49:42,633 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 08:49:42,634 INFO L168 Benchmark]: Toolchain (without parser) took 3552.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 306.5 MB). Peak memory consumption was 306.5 MB. Max. memory is 7.1 GB. [2018-07-25 08:49:42,637 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 08:49:42,641 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.39 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 08:49:42,641 INFO L168 Benchmark]: Boogie Preprocessor took 73.71 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 08:49:42,642 INFO L168 Benchmark]: RCFGBuilder took 726.32 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-25 08:49:42,644 INFO L168 Benchmark]: TraceAbstraction took 2696.56 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 285.4 MB). Peak memory consumption was 285.4 MB. Max. memory is 7.1 GB. [2018-07-25 08:49:42,651 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 49.39 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 73.71 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 726.32 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2696.56 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 285.4 MB). Peak memory consumption was 285.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 419]: 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: 417]: Loop Invariant Derived loop invariant: (((ssl3_connect_~blastFlag~4 <= 4 || (4560 == ssl3_connect_~s__s3__tmp__next_state___0~4 && (4512 <= ssl3_connect_~s__state~4 || ssl3_connect_~s__state~4 <= 4352))) || ssl3_connect_~s__state~4 == 4528) || ssl3_connect_~s__state~4 == 4512) || ssl3_connect_~s__state~4 == 4480 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: ((ssl3_connect_~blastFlag~4 <= 4 || ssl3_connect_~s__state~4 == 4368) || (((4560 == ssl3_connect_~s__s3__tmp__next_state___0~4 || ssl3_connect_~s__state~4 == 4528) || ssl3_connect_~s__state~4 == 4512) && (4512 <= ssl3_connect_~s__state~4 || ssl3_connect_~s__state~4 <= 4352))) || ssl3_connect_~s__state~4 == 4480 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: (ssl3_connect_~blastFlag~4 <= 4 || ssl3_connect_~s__state~4 == 4480) || (((4560 == ssl3_connect_~s__s3__tmp__next_state___0~4 || ssl3_connect_~s__state~4 == 4528) || ssl3_connect_~s__state~4 == 4512) && (4512 <= ssl3_connect_~s__state~4 || ssl3_connect_~s__state~4 <= 4352)) - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: ((ssl3_connect_~blastFlag~4 <= 4 || ssl3_connect_~s__state~4 == 4368) || (((4560 == ssl3_connect_~s__s3__tmp__next_state___0~4 || ssl3_connect_~s__state~4 == 4528) || ssl3_connect_~s__state~4 == 4512) && (4512 <= ssl3_connect_~s__state~4 || ssl3_connect_~s__state~4 <= 4352))) || ssl3_connect_~s__state~4 == 4480 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: (ssl3_connect_~blastFlag~4 <= 4 || (((4560 == ssl3_connect_~s__s3__tmp__next_state___0~4 || ssl3_connect_~s__state~4 == 4528) || ssl3_connect_~s__state~4 == 4512) && (4512 <= ssl3_connect_~s__state~4 || ssl3_connect_~s__state~4 <= 4352))) || ssl3_connect_~s__state~4 == 4480 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: (ssl3_connect_~blastFlag~4 <= 4 || (((4560 == ssl3_connect_~s__s3__tmp__next_state___0~4 || ssl3_connect_~s__state~4 == 4528) || ssl3_connect_~s__state~4 == 4512) && (4512 <= ssl3_connect_~s__state~4 || ssl3_connect_~s__state~4 <= 4352))) || ssl3_connect_~s__state~4 == 4480 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: ((ssl3_connect_~blastFlag~4 <= 4 || ssl3_connect_~s__state~4 == 4368) || (((4560 == ssl3_connect_~s__s3__tmp__next_state___0~4 || ssl3_connect_~s__state~4 == 4528) || ssl3_connect_~s__state~4 == 4512) && (4512 <= ssl3_connect_~s__state~4 || ssl3_connect_~s__state~4 <= 4352))) || ssl3_connect_~s__state~4 == 4480 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: ssl3_connect_~blastFlag~4 <= 4 && ssl3_connect_~s__state~4 == 4432 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: ((ssl3_connect_~blastFlag~4 <= 4 || ssl3_connect_~s__state~4 == 4368) || (((4560 == ssl3_connect_~s__s3__tmp__next_state___0~4 || ssl3_connect_~s__state~4 == 4528) || ssl3_connect_~s__state~4 == 4512) && (4512 <= ssl3_connect_~s__state~4 || ssl3_connect_~s__state~4 <= 4352))) || ssl3_connect_~s__state~4 == 4480 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (ssl3_connect_~blastFlag~4 <= 4 || (((4560 == ssl3_connect_~s__s3__tmp__next_state___0~4 || ssl3_connect_~s__state~4 == 4528) || ssl3_connect_~s__state~4 == 4512) && (4512 <= ssl3_connect_~s__state~4 || ssl3_connect_~s__state~4 <= 4352))) || ssl3_connect_~s__state~4 == 4480 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: (ssl3_connect_~blastFlag~4 <= 4 || (((4560 == ssl3_connect_~s__s3__tmp__next_state___0~4 || ssl3_connect_~s__state~4 == 4528) || ssl3_connect_~s__state~4 == 4512) && (4512 <= ssl3_connect_~s__state~4 || ssl3_connect_~s__state~4 <= 4352))) || ssl3_connect_~s__state~4 == 4480 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 1 error locations. SAFE Result, 2.5s OverallTime, 12 OverallIterations, 12 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 238 SDtfs, 29 SDslu, 86 SDs, 0 SdLazy, 734 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=11, 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, 12 MinimizatonAttempts, 8 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 14 PreInvPairs, 128 NumberOfFragments, 271 HoareAnnotationTreeSize, 14 FomulaSimplifications, 931 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 534 NumberOfCodeBlocks, 534 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 522 ConstructedInterpolants, 0 QuantifiedInterpolants, 67966 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 1292/1472 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_clnt_1.cil.c_16.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_08-49-42-673.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/s3_clnt_1.cil.c_16.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_08-49-42-673.csv Received shutdown request...