java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/programs/regression/bpl/AutomizerBpl-nestedInterpolants.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_2.cil.c_16.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 15:28:23,008 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 15:28:23,011 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 15:28:23,028 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 15:28:23,028 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 15:28:23,029 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 15:28:23,030 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 15:28:23,032 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 15:28:23,034 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 15:28:23,035 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 15:28:23,035 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-07-23 15:28:23,060 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/AutomizerBpl-nestedInterpolants.epf [2018-07-23 15:28:23,075 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 15:28:23,076 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 15:28:23,077 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 15:28:23,077 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-23 15:28:23,080 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 15:28:23,080 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-23 15:28:23,081 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 15:28:23,081 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 15:28:23,140 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 15:28:23,155 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 15:28:23,162 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 15:28:23,164 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 15:28:23,165 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 15:28:23,166 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_2.cil.c_16.bpl [2018-07-23 15:28:23,166 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_2.cil.c_16.bpl' [2018-07-23 15:28:23,265 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 15:28:23,266 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 15:28:23,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 15:28:23,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 15:28:23,267 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 15:28:23,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:28:23" (1/1) ... [2018-07-23 15:28:23,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:28:23" (1/1) ... [2018-07-23 15:28:23,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:28:23" (1/1) ... [2018-07-23 15:28:23,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:28:23" (1/1) ... [2018-07-23 15:28:23,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:28:23" (1/1) ... [2018-07-23 15:28:23,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:28:23" (1/1) ... [2018-07-23 15:28:23,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:28:23" (1/1) ... [2018-07-23 15:28:23,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 15:28:23,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 15:28:23,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 15:28:23,357 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 15:28:23,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:28:23" (1/1) ... [2018-07-23 15:28:23,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 15:28:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 15:28:23,815 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 15:28:23,815 INFO L202 PluginConnector]: Adding new model s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:28:23 BoogieIcfgContainer [2018-07-23 15:28:23,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 15:28:23,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 15:28:23,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 15:28:23,820 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 15:28:23,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:28:23" (1/2) ... [2018-07-23 15:28:23,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee0e555 and model type s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:28:23, skipping insertion in model container [2018-07-23 15:28:23,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:28:23" (2/2) ... [2018-07-23 15:28:23,824 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_2.cil.c_16.bpl [2018-07-23 15:28:23,836 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-23 15:28:23,846 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 15:28:23,896 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 15:28:23,897 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 15:28:23,897 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 15:28:23,897 INFO L375 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-23 15:28:23,897 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 15:28:23,898 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 15:28:23,898 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 15:28:23,898 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 15:28:23,898 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 15:28:23,917 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2018-07-23 15:28:23,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-07-23 15:28:23,929 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:28:23,931 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 15:28:23,931 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:28:23,938 INFO L82 PathProgramCache]: Analyzing trace with hash 212232665, now seen corresponding path program 1 times [2018-07-23 15:28:23,945 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:28:24,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 15:28:24,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 15:28:24,143 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 15:28:24,144 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-23 15:28:24,149 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 15:28:24,163 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 15:28:24,164 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 15:28:24,167 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2018-07-23 15:28:24,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:28:24,215 INFO L93 Difference]: Finished difference Result 22 states and 32 transitions. [2018-07-23 15:28:24,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 15:28:24,217 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-07-23 15:28:24,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:28:24,229 INFO L225 Difference]: With dead ends: 22 [2018-07-23 15:28:24,229 INFO L226 Difference]: Without dead ends: 12 [2018-07-23 15:28:24,233 INFO L573 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 [2018-07-23 15:28:24,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-07-23 15:28:24,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-07-23 15:28:24,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-07-23 15:28:24,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2018-07-23 15:28:24,268 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 16 transitions. Word has length 8 [2018-07-23 15:28:24,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:28:24,268 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 16 transitions. [2018-07-23 15:28:24,269 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 15:28:24,269 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2018-07-23 15:28:24,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-07-23 15:28:24,269 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:28:24,270 INFO L353 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 15:28:24,270 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:28:24,270 INFO L82 PathProgramCache]: Analyzing trace with hash -250815183, now seen corresponding path program 1 times [2018-07-23 15:28:24,270 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:28:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 15:28:24,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 15:28:24,342 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 15:28:24,342 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 15:28:24,347 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 15:28:24,348 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 15:28:24,348 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 15:28:24,348 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. Second operand 3 states. [2018-07-23 15:28:24,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:28:24,415 INFO L93 Difference]: Finished difference Result 25 states and 35 transitions. [2018-07-23 15:28:24,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 15:28:24,417 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-07-23 15:28:24,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:28:24,418 INFO L225 Difference]: With dead ends: 25 [2018-07-23 15:28:24,419 INFO L226 Difference]: Without dead ends: 16 [2018-07-23 15:28:24,421 INFO L573 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 [2018-07-23 15:28:24,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-07-23 15:28:24,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-07-23 15:28:24,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-07-23 15:28:24,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2018-07-23 15:28:24,426 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 20 transitions. Word has length 11 [2018-07-23 15:28:24,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:28:24,426 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 20 transitions. [2018-07-23 15:28:24,427 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 15:28:24,427 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2018-07-23 15:28:24,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-07-23 15:28:24,427 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:28:24,428 INFO L353 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 15:28:24,428 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:28:24,429 INFO L82 PathProgramCache]: Analyzing trace with hash 820063006, now seen corresponding path program 1 times [2018-07-23 15:28:24,429 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:28:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 15:28:24,504 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-07-23 15:28:24,504 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 15:28:24,504 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 15:28:24,505 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 15:28:24,505 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 15:28:24,505 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 15:28:24,506 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. Second operand 3 states. [2018-07-23 15:28:24,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:28:24,537 INFO L93 Difference]: Finished difference Result 35 states and 47 transitions. [2018-07-23 15:28:24,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 15:28:24,538 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-07-23 15:28:24,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:28:24,539 INFO L225 Difference]: With dead ends: 35 [2018-07-23 15:28:24,539 INFO L226 Difference]: Without dead ends: 22 [2018-07-23 15:28:24,540 INFO L573 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 [2018-07-23 15:28:24,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-07-23 15:28:24,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-07-23 15:28:24,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-07-23 15:28:24,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2018-07-23 15:28:24,546 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 15 [2018-07-23 15:28:24,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:28:24,546 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2018-07-23 15:28:24,546 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 15:28:24,547 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2018-07-23 15:28:24,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-07-23 15:28:24,548 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:28:24,548 INFO L353 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 15:28:24,548 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:28:24,548 INFO L82 PathProgramCache]: Analyzing trace with hash -18544388, now seen corresponding path program 1 times [2018-07-23 15:28:24,549 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:28:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 15:28:24,601 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 15:28:24,602 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 15:28:24,602 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-07-23 15:28:24,603 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 15:28:24,603 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 15:28:24,603 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-07-23 15:28:24,604 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand 5 states. [2018-07-23 15:28:24,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:28:24,641 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions. [2018-07-23 15:28:24,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-23 15:28:24,642 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-07-23 15:28:24,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:28:24,643 INFO L225 Difference]: With dead ends: 37 [2018-07-23 15:28:24,643 INFO L226 Difference]: Without dead ends: 35 [2018-07-23 15:28:24,644 INFO L573 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 [2018-07-23 15:28:24,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-07-23 15:28:24,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-07-23 15:28:24,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-07-23 15:28:24,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 43 transitions. [2018-07-23 15:28:24,653 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 43 transitions. Word has length 21 [2018-07-23 15:28:24,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:28:24,654 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 43 transitions. [2018-07-23 15:28:24,654 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 15:28:24,654 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2018-07-23 15:28:24,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-07-23 15:28:24,655 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:28:24,655 INFO L353 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1] [2018-07-23 15:28:24,656 INFO L414 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:28:24,656 INFO L82 PathProgramCache]: Analyzing trace with hash 438121223, now seen corresponding path program 2 times [2018-07-23 15:28:24,656 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:28:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 15:28:24,697 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-07-23 15:28:24,697 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 15:28:24,697 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 15:28:24,698 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 15:28:24,698 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 15:28:24,698 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 15:28:24,699 INFO L87 Difference]: Start difference. First operand 35 states and 43 transitions. Second operand 3 states. [2018-07-23 15:28:24,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:28:24,730 INFO L93 Difference]: Finished difference Result 79 states and 103 transitions. [2018-07-23 15:28:24,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 15:28:24,731 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-07-23 15:28:24,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:28:24,732 INFO L225 Difference]: With dead ends: 79 [2018-07-23 15:28:24,732 INFO L226 Difference]: Without dead ends: 47 [2018-07-23 15:28:24,733 INFO L573 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 [2018-07-23 15:28:24,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-07-23 15:28:24,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-07-23 15:28:24,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-07-23 15:28:24,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 55 transitions. [2018-07-23 15:28:24,746 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 55 transitions. Word has length 31 [2018-07-23 15:28:24,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:28:24,746 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 55 transitions. [2018-07-23 15:28:24,746 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 15:28:24,747 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2018-07-23 15:28:24,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-07-23 15:28:24,748 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:28:24,748 INFO L353 BasicCegarLoop]: trace histogram [7, 6, 6, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1] [2018-07-23 15:28:24,749 INFO L414 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:28:24,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1690912045, now seen corresponding path program 1 times [2018-07-23 15:28:24,749 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:28:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 15:28:24,813 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-07-23 15:28:24,814 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 15:28:24,814 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 15:28:24,817 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 15:28:24,817 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 15:28:24,817 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 15:28:24,818 INFO L87 Difference]: Start difference. First operand 47 states and 55 transitions. Second operand 3 states. [2018-07-23 15:28:24,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:28:24,878 INFO L93 Difference]: Finished difference Result 103 states and 127 transitions. [2018-07-23 15:28:24,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 15:28:24,879 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-07-23 15:28:24,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:28:24,880 INFO L225 Difference]: With dead ends: 103 [2018-07-23 15:28:24,880 INFO L226 Difference]: Without dead ends: 57 [2018-07-23 15:28:24,881 INFO L573 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 [2018-07-23 15:28:24,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-07-23 15:28:24,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-07-23 15:28:24,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-07-23 15:28:24,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 65 transitions. [2018-07-23 15:28:24,905 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 65 transitions. Word has length 38 [2018-07-23 15:28:24,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:28:24,905 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 65 transitions. [2018-07-23 15:28:24,906 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 15:28:24,906 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 65 transitions. [2018-07-23 15:28:24,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-07-23 15:28:24,907 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:28:24,909 INFO L353 BasicCegarLoop]: trace histogram [8, 7, 7, 5, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2018-07-23 15:28:24,909 INFO L414 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:28:24,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1661097735, now seen corresponding path program 1 times [2018-07-23 15:28:24,909 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:28:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 15:28:24,959 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-07-23 15:28:24,960 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 15:28:24,960 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-07-23 15:28:24,961 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 15:28:24,961 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 15:28:24,961 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 15:28:24,962 INFO L87 Difference]: Start difference. First operand 57 states and 65 transitions. Second operand 4 states. [2018-07-23 15:28:25,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:28:25,018 INFO L93 Difference]: Finished difference Result 92 states and 104 transitions. [2018-07-23 15:28:25,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-23 15:28:25,019 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2018-07-23 15:28:25,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:28:25,020 INFO L225 Difference]: With dead ends: 92 [2018-07-23 15:28:25,020 INFO L226 Difference]: Without dead ends: 0 [2018-07-23 15:28:25,021 INFO L573 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 [2018-07-23 15:28:25,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-23 15:28:25,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-23 15:28:25,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-23 15:28:25,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-23 15:28:25,022 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2018-07-23 15:28:25,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:28:25,023 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-23 15:28:25,023 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 15:28:25,023 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-23 15:28:25,023 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-23 15:28:25,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-23 15:28:25,210 INFO L417 ceAbstractionStarter]: At program point L383(lines 383 398) the Hoare annotation is: false [2018-07-23 15:28:25,214 INFO L417 ceAbstractionStarter]: At program point L344(lines 344 361) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3))) (or (and .cse0 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) (= ULTIMATE.start_ssl3_accept_~s__state~5 8656)) (and (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5) .cse0 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~5)) (<= ULTIMATE.start_ssl3_accept_~s__state~5 8448))) [2018-07-23 15:28:25,214 INFO L421 ceAbstractionStarter]: For program point L303(lines 303 322) no Hoare annotation was computed. [2018-07-23 15:28:25,215 INFO L417 ceAbstractionStarter]: At program point L295(lines 258 295) the Hoare annotation is: (let ((.cse1 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3))) (or (and .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~5 8464)) (and .cse1 .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~5 8448)) (and .cse0 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) (= ULTIMATE.start_ssl3_accept_~s__state~5 8656)) (and .cse1 .cse0 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~5)) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 1) (= ULTIMATE.start_ssl3_accept_~s__state~5 8496)))) [2018-07-23 15:28:25,215 INFO L421 ceAbstractionStarter]: For program point L377(lines 374 392) no Hoare annotation was computed. [2018-07-23 15:28:25,216 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 400) no Hoare annotation was computed. [2018-07-23 15:28:25,216 INFO L421 ceAbstractionStarter]: For program point L360(lines 360 375) no Hoare annotation was computed. [2018-07-23 15:28:25,216 INFO L421 ceAbstractionStarter]: For program point L326(lines 321 345) no Hoare annotation was computed. [2018-07-23 15:28:25,216 INFO L417 ceAbstractionStarter]: At program point L368(lines 368 384) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3) (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) [2018-07-23 15:28:25,217 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 400) the Hoare annotation is: true [2018-07-23 15:28:25,217 INFO L417 ceAbstractionStarter]: At program point ULTIMATE.startEXIT(lines 1 400) the Hoare annotation is: false [2018-07-23 15:28:25,218 INFO L417 ceAbstractionStarter]: At program point L291(lines 291 304) the Hoare annotation is: (let ((.cse0 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3))) (or (and .cse0 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~5 8448)) (and .cse1 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) (= ULTIMATE.start_ssl3_accept_~s__state~5 8656)) (and .cse0 .cse1 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~5)) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 1) (= ULTIMATE.start_ssl3_accept_~s__state~5 8496)))) [2018-07-23 15:28:25,219 INFO L417 ceAbstractionStarter]: At program point L271(lines 271 287) the Hoare annotation is: (let ((.cse1 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3))) (or (and .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~5 8464)) (and .cse1 .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~5 8448)) (and .cse0 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) (= ULTIMATE.start_ssl3_accept_~s__state~5 8656)) (and .cse1 .cse0 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~5)) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 1) (= ULTIMATE.start_ssl3_accept_~s__state~5 8496)))) [2018-07-23 15:28:25,219 INFO L417 ceAbstractionStarter]: At program point L397(lines 286 397) the Hoare annotation is: (let ((.cse0 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3))) (or (and .cse0 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~5 8448)) (and .cse1 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) (= ULTIMATE.start_ssl3_accept_~s__state~5 8656)) (and .cse0 .cse1 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~5)) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 1) (= ULTIMATE.start_ssl3_accept_~s__state~5 8496)))) [2018-07-23 15:28:25,220 INFO L417 ceAbstractionStarter]: At program point L315(lines 315 334) the Hoare annotation is: (let ((.cse0 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3))) (or (and .cse0 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~5 8448)) (and .cse1 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) (= ULTIMATE.start_ssl3_accept_~s__state~5 8656)) (and .cse0 .cse1 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~5)))) [2018-07-23 15:28:25,220 INFO L417 ceAbstractionStarter]: At program point ULTIMATE.startErr0AssertViolationASSERT(line 399) the Hoare annotation is: false [2018-07-23 15:28:25,245 INFO L202 PluginConnector]: Adding new model s3_srvr_2.cil.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 03:28:25 BoogieIcfgContainer [2018-07-23 15:28:25,246 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 15:28:25,249 INFO L168 Benchmark]: Toolchain (without parser) took 1983.42 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. [2018-07-23 15:28:25,253 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 15:28:25,253 INFO L168 Benchmark]: Boogie Preprocessor took 84.93 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. [2018-07-23 15:28:25,256 INFO L168 Benchmark]: RCFGBuilder took 459.33 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-23 15:28:25,257 INFO L168 Benchmark]: TraceAbstraction took 1429.14 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 116.3 MB). Peak memory consumption was 116.3 MB. Max. memory is 7.1 GB. [2018-07-23 15:28:25,262 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.93 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 459.33 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1429.14 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 116.3 MB). Peak memory consumption was 116.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 399]: 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: (((((ssl3_accept_~blastFlag~5 <= 3 && ssl3_accept_~s__state~5 == 8464) || ((8640 <= ssl3_accept_~s__s3__tmp__next_state___0~5 && ssl3_accept_~blastFlag~5 <= 3) && ssl3_accept_~s__state~5 <= 8448)) || (ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5)) || (ssl3_accept_~blastFlag~5 == 2 && ssl3_accept_~s__state~5 == 8656)) || ((8640 <= ssl3_accept_~s__s3__tmp__next_state___0~5 && ssl3_accept_~blastFlag~5 <= 3) && 8640 <= ssl3_accept_~s__state~5)) || (ssl3_accept_~blastFlag~5 == 1 && ssl3_accept_~s__state~5 == 8496) - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: (((((8640 <= ssl3_accept_~s__s3__tmp__next_state___0~5 && ssl3_accept_~blastFlag~5 <= 3) && ssl3_accept_~s__state~5 <= 8448) || (ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5)) || (ssl3_accept_~blastFlag~5 == 2 && ssl3_accept_~s__state~5 == 8656)) || ((8640 <= ssl3_accept_~s__s3__tmp__next_state___0~5 && ssl3_accept_~blastFlag~5 <= 3) && 8640 <= ssl3_accept_~s__state~5)) || (ssl3_accept_~blastFlag~5 == 1 && ssl3_accept_~s__state~5 == 8496) - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: ((((8640 <= ssl3_accept_~s__s3__tmp__next_state___0~5 && ssl3_accept_~blastFlag~5 <= 3) && ssl3_accept_~s__state~5 <= 8448) || (ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5)) || (ssl3_accept_~blastFlag~5 == 2 && ssl3_accept_~s__state~5 == 8656)) || ((8640 <= ssl3_accept_~s__s3__tmp__next_state___0~5 && ssl3_accept_~blastFlag~5 <= 3) && 8640 <= ssl3_accept_~s__state~5) - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: (((((ssl3_accept_~blastFlag~5 <= 3 && ssl3_accept_~s__state~5 == 8464) || ((8640 <= ssl3_accept_~s__s3__tmp__next_state___0~5 && ssl3_accept_~blastFlag~5 <= 3) && ssl3_accept_~s__state~5 <= 8448)) || (ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5)) || (ssl3_accept_~blastFlag~5 == 2 && ssl3_accept_~s__state~5 == 8656)) || ((8640 <= ssl3_accept_~s__s3__tmp__next_state___0~5 && ssl3_accept_~blastFlag~5 <= 3) && 8640 <= ssl3_accept_~s__state~5)) || (ssl3_accept_~blastFlag~5 == 1 && ssl3_accept_~s__state~5 == 8496) - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: (((ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5) || (ssl3_accept_~blastFlag~5 == 2 && ssl3_accept_~s__state~5 == 8656)) || ((8640 <= ssl3_accept_~s__s3__tmp__next_state___0~5 && ssl3_accept_~blastFlag~5 <= 3) && 8640 <= ssl3_accept_~s__state~5)) || ssl3_accept_~s__state~5 <= 8448 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: (((((8640 <= ssl3_accept_~s__s3__tmp__next_state___0~5 && ssl3_accept_~blastFlag~5 <= 3) && ssl3_accept_~s__state~5 <= 8448) || (ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5)) || (ssl3_accept_~blastFlag~5 == 2 && ssl3_accept_~s__state~5 == 8656)) || ((8640 <= ssl3_accept_~s__s3__tmp__next_state___0~5 && ssl3_accept_~blastFlag~5 <= 3) && 8640 <= ssl3_accept_~s__state~5)) || (ssl3_accept_~blastFlag~5 == 1 && ssl3_accept_~s__state~5 == 8496) - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. SAFE Result, 1.3s OverallTime, 7 OverallIterations, 8 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 92 SDtfs, 15 SDslu, 47 SDs, 0 SdLazy, 117 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 50 NumberOfFragments, 256 HoareAnnotationTreeSize, 11 FomulaSimplifications, 99 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 39 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 167 NumberOfCodeBlocks, 167 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 7026 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 268/286 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.cil.c_16.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_15-28-25-288.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/s3_srvr_2.cil.c_16.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_15-28-25-288.csv Received shutdown request...