java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/programs/real-life/s3_clnt_1_Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-4eac566 [2018-09-23 19:30:55,557 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-23 19:30:55,558 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-23 19:30:55,571 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-09-23 19:30:55,619 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-23 19:30:55,654 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-23 19:30:55,655 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-23 19:30:55,655 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-23 19:30:55,656 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-23 19:30:55,656 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-23 19:30:55,656 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-23 19:30:55,657 INFO L133 SettingsManager]: * Use SBE=true [2018-09-23 19:30:55,657 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-23 19:30:55,657 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-23 19:30:55,661 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-23 19:30:55,661 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-23 19:30:55,661 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-23 19:30:55,661 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-23 19:30:55,661 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-23 19:30:55,662 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-23 19:30:55,662 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-23 19:30:55,662 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-23 19:30:55,662 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-23 19:30:55,664 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-23 19:30:55,664 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-23 19:30:55,664 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-23 19:30:55,664 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-23 19:30:55,664 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-23 19:30:55,665 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-23 19:30:55,665 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-23 19:30:55,665 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-23 19:30:55,665 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-23 19:30:55,665 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-23 19:30:55,666 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-23 19:30:55,666 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-23 19:30:55,736 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-23 19:30:55,748 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-23 19:30:55,753 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-23 19:30:55,754 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-23 19:30:55,754 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-23 19:30:55,755 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/s3_clnt_1_Safe.bpl [2018-09-23 19:30:55,757 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/s3_clnt_1_Safe.bpl' [2018-09-23 19:30:55,859 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-23 19:30:55,863 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-23 19:30:55,864 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-23 19:30:55,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-23 19:30:55,864 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-23 19:30:55,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:30:55" (1/1) ... [2018-09-23 19:30:55,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:30:55" (1/1) ... [2018-09-23 19:30:55,908 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-23 19:30:55,908 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-23 19:30:55,909 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-23 19:30:55,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-23 19:30:55,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-23 19:30:55,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-23 19:30:55,912 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-23 19:30:55,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:30:55" (1/1) ... [2018-09-23 19:30:55,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:30:55" (1/1) ... [2018-09-23 19:30:55,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:30:55" (1/1) ... [2018-09-23 19:30:55,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:30:55" (1/1) ... [2018-09-23 19:30:55,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:30:55" (1/1) ... [2018-09-23 19:30:55,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:30:55" (1/1) ... [2018-09-23 19:30:55,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:30:55" (1/1) ... [2018-09-23 19:30:55,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-23 19:30:55,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-23 19:30:55,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-23 19:30:55,994 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-23 19:30:55,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:30:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-23 19:30:56,073 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2018-09-23 19:30:56,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2018-09-23 19:30:56,259 WARN L649 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-09-23 19:30:56,259 WARN L614 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-09-23 19:30:57,283 INFO L351 CfgBuilder]: Using library mode [2018-09-23 19:30:57,284 INFO L202 PluginConnector]: Adding new model s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 07:30:57 BoogieIcfgContainer [2018-09-23 19:30:57,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-23 19:30:57,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-23 19:30:57,285 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-23 19:30:57,289 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-23 19:30:57,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:30:55" (1/2) ... [2018-09-23 19:30:57,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55007274 and model type s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 07:30:57, skipping insertion in model container [2018-09-23 19:30:57,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 07:30:57" (2/2) ... [2018-09-23 19:30:57,292 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_clnt_1_Safe.bpl [2018-09-23 19:30:57,302 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-23 19:30:57,311 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-23 19:30:57,369 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-23 19:30:57,370 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-23 19:30:57,370 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-23 19:30:57,370 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-23 19:30:57,371 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-23 19:30:57,371 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-23 19:30:57,371 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-23 19:30:57,371 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-23 19:30:57,371 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-23 19:30:57,395 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states. [2018-09-23 19:30:57,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-23 19:30:57,404 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:30:57,405 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:30:57,406 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:30:57,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:30:57,412 INFO L82 PathProgramCache]: Analyzing trace with hash 2094316450, now seen corresponding path program 1 times [2018-09-23 19:30:57,414 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:30:57,415 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:30:57,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:30:57,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:30:57,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:30:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:30:57,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 19:30:57,641 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:30:57,641 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-23 19:30:57,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:30:57,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:30:57,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:30:57,665 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 3 states. [2018-09-23 19:30:57,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:30:57,866 INFO L93 Difference]: Finished difference Result 363 states and 621 transitions. [2018-09-23 19:30:57,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:30:57,868 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-09-23 19:30:57,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:30:57,886 INFO L225 Difference]: With dead ends: 363 [2018-09-23 19:30:57,886 INFO L226 Difference]: Without dead ends: 214 [2018-09-23 19:30:57,891 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:30:57,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2018-09-23 19:30:57,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2018-09-23 19:30:57,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2018-09-23 19:30:57,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 320 transitions. [2018-09-23 19:30:57,956 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 320 transitions. Word has length 24 [2018-09-23 19:30:57,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:30:57,957 INFO L480 AbstractCegarLoop]: Abstraction has 214 states and 320 transitions. [2018-09-23 19:30:57,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:30:57,958 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 320 transitions. [2018-09-23 19:30:57,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-23 19:30:57,961 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:30:57,961 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:30:57,961 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:30:57,962 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:30:57,962 INFO L82 PathProgramCache]: Analyzing trace with hash 59798678, now seen corresponding path program 1 times [2018-09-23 19:30:57,962 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:30:57,962 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:30:57,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:30:57,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:30:57,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:30:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:30:58,055 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 19:30:58,056 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:30:58,056 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-23 19:30:58,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:30:58,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:30:58,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:30:58,059 INFO L87 Difference]: Start difference. First operand 214 states and 320 transitions. Second operand 3 states. [2018-09-23 19:30:58,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:30:58,661 INFO L93 Difference]: Finished difference Result 466 states and 703 transitions. [2018-09-23 19:30:58,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:30:58,662 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-09-23 19:30:58,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:30:58,670 INFO L225 Difference]: With dead ends: 466 [2018-09-23 19:30:58,671 INFO L226 Difference]: Without dead ends: 258 [2018-09-23 19:30:58,675 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:30:58,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2018-09-23 19:30:58,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 250. [2018-09-23 19:30:58,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2018-09-23 19:30:58,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 366 transitions. [2018-09-23 19:30:58,716 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 366 transitions. Word has length 39 [2018-09-23 19:30:58,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:30:58,717 INFO L480 AbstractCegarLoop]: Abstraction has 250 states and 366 transitions. [2018-09-23 19:30:58,717 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:30:58,717 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 366 transitions. [2018-09-23 19:30:58,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-23 19:30:58,720 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:30:58,721 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:30:58,721 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:30:58,721 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:30:58,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1333096252, now seen corresponding path program 1 times [2018-09-23 19:30:58,722 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:30:58,722 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:30:58,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:30:58,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:30:58,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:30:58,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:30:58,810 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-09-23 19:30:58,810 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:30:58,810 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-23 19:30:58,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:30:58,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:30:58,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:30:58,812 INFO L87 Difference]: Start difference. First operand 250 states and 366 transitions. Second operand 3 states. [2018-09-23 19:30:59,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:30:59,546 INFO L93 Difference]: Finished difference Result 598 states and 902 transitions. [2018-09-23 19:30:59,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:30:59,547 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2018-09-23 19:30:59,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:30:59,550 INFO L225 Difference]: With dead ends: 598 [2018-09-23 19:30:59,550 INFO L226 Difference]: Without dead ends: 352 [2018-09-23 19:30:59,551 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:30:59,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2018-09-23 19:30:59,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 334. [2018-09-23 19:30:59,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2018-09-23 19:30:59,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 468 transitions. [2018-09-23 19:30:59,570 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 468 transitions. Word has length 57 [2018-09-23 19:30:59,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:30:59,570 INFO L480 AbstractCegarLoop]: Abstraction has 334 states and 468 transitions. [2018-09-23 19:30:59,570 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:30:59,571 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 468 transitions. [2018-09-23 19:30:59,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-23 19:30:59,573 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:30:59,574 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:30:59,574 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:30:59,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:30:59,574 INFO L82 PathProgramCache]: Analyzing trace with hash 1199082746, now seen corresponding path program 1 times [2018-09-23 19:30:59,575 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:30:59,575 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:30:59,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:30:59,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:30:59,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:30:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:30:59,636 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-09-23 19:30:59,637 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:30:59,637 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-23 19:30:59,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:30:59,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:30:59,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:30:59,638 INFO L87 Difference]: Start difference. First operand 334 states and 468 transitions. Second operand 3 states. [2018-09-23 19:30:59,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:30:59,898 INFO L93 Difference]: Finished difference Result 710 states and 1007 transitions. [2018-09-23 19:30:59,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:30:59,900 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2018-09-23 19:30:59,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:30:59,904 INFO L225 Difference]: With dead ends: 710 [2018-09-23 19:30:59,904 INFO L226 Difference]: Without dead ends: 382 [2018-09-23 19:30:59,905 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:30:59,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-09-23 19:30:59,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 374. [2018-09-23 19:30:59,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2018-09-23 19:30:59,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 518 transitions. [2018-09-23 19:30:59,922 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 518 transitions. Word has length 57 [2018-09-23 19:30:59,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:30:59,922 INFO L480 AbstractCegarLoop]: Abstraction has 374 states and 518 transitions. [2018-09-23 19:30:59,923 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:30:59,923 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 518 transitions. [2018-09-23 19:30:59,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-23 19:30:59,926 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:30:59,926 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:30:59,927 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:30:59,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:30:59,927 INFO L82 PathProgramCache]: Analyzing trace with hash 309535550, now seen corresponding path program 1 times [2018-09-23 19:30:59,927 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:30:59,927 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:30:59,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:30:59,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:30:59,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:30:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:31:00,000 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-09-23 19:31:00,001 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:31:00,001 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-23 19:31:00,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:31:00,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:31:00,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:31:00,002 INFO L87 Difference]: Start difference. First operand 374 states and 518 transitions. Second operand 3 states. [2018-09-23 19:31:00,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:31:00,408 INFO L93 Difference]: Finished difference Result 850 states and 1212 transitions. [2018-09-23 19:31:00,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:31:00,408 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2018-09-23 19:31:00,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:31:00,412 INFO L225 Difference]: With dead ends: 850 [2018-09-23 19:31:00,412 INFO L226 Difference]: Without dead ends: 480 [2018-09-23 19:31:00,413 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:31:00,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2018-09-23 19:31:00,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 454. [2018-09-23 19:31:00,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2018-09-23 19:31:00,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 654 transitions. [2018-09-23 19:31:00,431 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 654 transitions. Word has length 71 [2018-09-23 19:31:00,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:31:00,431 INFO L480 AbstractCegarLoop]: Abstraction has 454 states and 654 transitions. [2018-09-23 19:31:00,431 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:31:00,432 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 654 transitions. [2018-09-23 19:31:00,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-23 19:31:00,435 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:31:00,435 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:31:00,435 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:31:00,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:31:00,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1385992431, now seen corresponding path program 1 times [2018-09-23 19:31:00,436 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:31:00,436 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:31:00,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:00,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:31:00,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:31:00,548 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-09-23 19:31:00,549 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:31:00,549 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-23 19:31:00,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:31:00,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:31:00,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:31:00,550 INFO L87 Difference]: Start difference. First operand 454 states and 654 transitions. Second operand 3 states. [2018-09-23 19:31:01,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:31:01,009 INFO L93 Difference]: Finished difference Result 952 states and 1377 transitions. [2018-09-23 19:31:01,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:31:01,015 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2018-09-23 19:31:01,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:31:01,018 INFO L225 Difference]: With dead ends: 952 [2018-09-23 19:31:01,018 INFO L226 Difference]: Without dead ends: 504 [2018-09-23 19:31:01,019 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:31:01,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2018-09-23 19:31:01,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 498. [2018-09-23 19:31:01,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 498 states. [2018-09-23 19:31:01,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 708 transitions. [2018-09-23 19:31:01,036 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 708 transitions. Word has length 74 [2018-09-23 19:31:01,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:31:01,036 INFO L480 AbstractCegarLoop]: Abstraction has 498 states and 708 transitions. [2018-09-23 19:31:01,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:31:01,036 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 708 transitions. [2018-09-23 19:31:01,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-09-23 19:31:01,038 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:31:01,039 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:31:01,039 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:31:01,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:31:01,039 INFO L82 PathProgramCache]: Analyzing trace with hash -931646216, now seen corresponding path program 1 times [2018-09-23 19:31:01,040 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:31:01,040 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:31:01,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:01,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:31:01,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:31:01,141 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-09-23 19:31:01,141 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:31:01,142 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-23 19:31:01,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:31:01,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:31:01,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:31:01,143 INFO L87 Difference]: Start difference. First operand 498 states and 708 transitions. Second operand 3 states. [2018-09-23 19:31:01,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:31:01,430 INFO L93 Difference]: Finished difference Result 990 states and 1411 transitions. [2018-09-23 19:31:01,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:31:01,431 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2018-09-23 19:31:01,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:31:01,436 INFO L225 Difference]: With dead ends: 990 [2018-09-23 19:31:01,437 INFO L226 Difference]: Without dead ends: 743 [2018-09-23 19:31:01,438 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:31:01,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2018-09-23 19:31:01,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 743. [2018-09-23 19:31:01,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 743 states. [2018-09-23 19:31:01,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 1056 transitions. [2018-09-23 19:31:01,466 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 1056 transitions. Word has length 95 [2018-09-23 19:31:01,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:31:01,466 INFO L480 AbstractCegarLoop]: Abstraction has 743 states and 1056 transitions. [2018-09-23 19:31:01,467 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:31:01,467 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1056 transitions. [2018-09-23 19:31:01,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-09-23 19:31:01,469 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:31:01,470 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:31:01,475 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:31:01,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:31:01,476 INFO L82 PathProgramCache]: Analyzing trace with hash -664650302, now seen corresponding path program 1 times [2018-09-23 19:31:01,476 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:31:01,477 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:31:01,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:01,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:31:01,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:31:01,600 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-09-23 19:31:01,600 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:31:01,600 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-23 19:31:01,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:31:01,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:31:01,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:31:01,603 INFO L87 Difference]: Start difference. First operand 743 states and 1056 transitions. Second operand 3 states. [2018-09-23 19:31:01,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:31:01,942 INFO L93 Difference]: Finished difference Result 990 states and 1408 transitions. [2018-09-23 19:31:01,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:31:01,942 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2018-09-23 19:31:01,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:31:01,949 INFO L225 Difference]: With dead ends: 990 [2018-09-23 19:31:01,949 INFO L226 Difference]: Without dead ends: 988 [2018-09-23 19:31:01,950 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:31:01,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2018-09-23 19:31:01,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 988. [2018-09-23 19:31:01,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 988 states. [2018-09-23 19:31:01,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 988 states and 1406 transitions. [2018-09-23 19:31:01,979 INFO L78 Accepts]: Start accepts. Automaton has 988 states and 1406 transitions. Word has length 97 [2018-09-23 19:31:01,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:31:01,979 INFO L480 AbstractCegarLoop]: Abstraction has 988 states and 1406 transitions. [2018-09-23 19:31:01,979 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:31:01,980 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1406 transitions. [2018-09-23 19:31:01,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-09-23 19:31:01,982 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:31:01,983 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:31:01,983 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:31:01,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:31:01,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1840260967, now seen corresponding path program 1 times [2018-09-23 19:31:01,984 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:31:01,984 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:31:01,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:01,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:31:01,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:31:02,138 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-09-23 19:31:02,138 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:31:02,139 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-23 19:31:02,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:31:02,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:31:02,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:31:02,140 INFO L87 Difference]: Start difference. First operand 988 states and 1406 transitions. Second operand 3 states. [2018-09-23 19:31:03,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:31:03,601 INFO L93 Difference]: Finished difference Result 2080 states and 2976 transitions. [2018-09-23 19:31:03,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:31:03,602 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2018-09-23 19:31:03,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:31:03,608 INFO L225 Difference]: With dead ends: 2080 [2018-09-23 19:31:03,608 INFO L226 Difference]: Without dead ends: 1098 [2018-09-23 19:31:03,610 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:31:03,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2018-09-23 19:31:03,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1084. [2018-09-23 19:31:03,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1084 states. [2018-09-23 19:31:03,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1522 transitions. [2018-09-23 19:31:03,642 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1522 transitions. Word has length 123 [2018-09-23 19:31:03,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:31:03,643 INFO L480 AbstractCegarLoop]: Abstraction has 1084 states and 1522 transitions. [2018-09-23 19:31:03,643 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:31:03,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1522 transitions. [2018-09-23 19:31:03,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-09-23 19:31:03,648 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:31:03,648 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:31:03,648 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:31:03,648 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:31:03,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1854917982, now seen corresponding path program 1 times [2018-09-23 19:31:03,649 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:31:03,649 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:31:03,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:03,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:31:03,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:31:03,811 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-09-23 19:31:03,812 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:31:03,812 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-23 19:31:03,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:31:03,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:31:03,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:31:03,813 INFO L87 Difference]: Start difference. First operand 1084 states and 1522 transitions. Second operand 3 states. [2018-09-23 19:31:04,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:31:04,552 INFO L93 Difference]: Finished difference Result 2370 states and 3378 transitions. [2018-09-23 19:31:04,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:31:04,555 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2018-09-23 19:31:04,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:31:04,561 INFO L225 Difference]: With dead ends: 2370 [2018-09-23 19:31:04,562 INFO L226 Difference]: Without dead ends: 1284 [2018-09-23 19:31:04,564 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:31:04,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1284 states. [2018-09-23 19:31:04,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1284 to 1244. [2018-09-23 19:31:04,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1244 states. [2018-09-23 19:31:04,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1244 states and 1750 transitions. [2018-09-23 19:31:04,607 INFO L78 Accepts]: Start accepts. Automaton has 1244 states and 1750 transitions. Word has length 145 [2018-09-23 19:31:04,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:31:04,607 INFO L480 AbstractCegarLoop]: Abstraction has 1244 states and 1750 transitions. [2018-09-23 19:31:04,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:31:04,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 1750 transitions. [2018-09-23 19:31:04,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-09-23 19:31:04,612 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:31:04,612 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:31:04,612 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:31:04,612 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:31:04,613 INFO L82 PathProgramCache]: Analyzing trace with hash -109848754, now seen corresponding path program 1 times [2018-09-23 19:31:04,613 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:31:04,613 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:31:04,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:04,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:31:04,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:04,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:31:04,763 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-09-23 19:31:04,764 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:31:04,764 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-23 19:31:04,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:31:04,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:31:04,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:31:04,765 INFO L87 Difference]: Start difference. First operand 1244 states and 1750 transitions. Second operand 3 states. [2018-09-23 19:31:05,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:31:05,228 INFO L93 Difference]: Finished difference Result 2606 states and 3638 transitions. [2018-09-23 19:31:05,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:31:05,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 182 [2018-09-23 19:31:05,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:31:05,236 INFO L225 Difference]: With dead ends: 2606 [2018-09-23 19:31:05,236 INFO L226 Difference]: Without dead ends: 1368 [2018-09-23 19:31:05,238 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:31:05,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1368 states. [2018-09-23 19:31:05,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 1360. [2018-09-23 19:31:05,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1360 states. [2018-09-23 19:31:05,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1360 states to 1360 states and 1886 transitions. [2018-09-23 19:31:05,269 INFO L78 Accepts]: Start accepts. Automaton has 1360 states and 1886 transitions. Word has length 182 [2018-09-23 19:31:05,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:31:05,269 INFO L480 AbstractCegarLoop]: Abstraction has 1360 states and 1886 transitions. [2018-09-23 19:31:05,269 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:31:05,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1360 states and 1886 transitions. [2018-09-23 19:31:05,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-09-23 19:31:05,273 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:31:05,273 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:31:05,274 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:31:05,274 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:31:05,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1851725904, now seen corresponding path program 1 times [2018-09-23 19:31:05,274 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:31:05,274 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:31:05,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:05,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:31:05,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:31:05,364 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-09-23 19:31:05,364 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:31:05,364 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-23 19:31:05,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:31:05,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:31:05,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:31:05,365 INFO L87 Difference]: Start difference. First operand 1360 states and 1886 transitions. Second operand 3 states. [2018-09-23 19:31:05,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:31:05,664 INFO L93 Difference]: Finished difference Result 2854 states and 3946 transitions. [2018-09-23 19:31:05,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:31:05,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 182 [2018-09-23 19:31:05,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:31:05,673 INFO L225 Difference]: With dead ends: 2854 [2018-09-23 19:31:05,673 INFO L226 Difference]: Without dead ends: 1500 [2018-09-23 19:31:05,676 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:31:05,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1500 states. [2018-09-23 19:31:05,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1500 to 1488. [2018-09-23 19:31:05,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1488 states. [2018-09-23 19:31:05,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1488 states and 2034 transitions. [2018-09-23 19:31:05,711 INFO L78 Accepts]: Start accepts. Automaton has 1488 states and 2034 transitions. Word has length 182 [2018-09-23 19:31:05,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:31:05,711 INFO L480 AbstractCegarLoop]: Abstraction has 1488 states and 2034 transitions. [2018-09-23 19:31:05,711 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:31:05,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 2034 transitions. [2018-09-23 19:31:05,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-09-23 19:31:05,716 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:31:05,716 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:31:05,717 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:31:05,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:31:05,717 INFO L82 PathProgramCache]: Analyzing trace with hash -853360977, now seen corresponding path program 1 times [2018-09-23 19:31:05,717 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:31:05,717 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:31:05,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:05,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:31:05,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:31:05,867 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 253 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2018-09-23 19:31:05,867 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:31:05,867 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-23 19:31:05,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:31:05,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:31:05,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:31:05,869 INFO L87 Difference]: Start difference. First operand 1488 states and 2034 transitions. Second operand 3 states. [2018-09-23 19:31:06,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:31:06,435 INFO L93 Difference]: Finished difference Result 3126 states and 4270 transitions. [2018-09-23 19:31:06,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:31:06,439 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 213 [2018-09-23 19:31:06,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:31:06,446 INFO L225 Difference]: With dead ends: 3126 [2018-09-23 19:31:06,446 INFO L226 Difference]: Without dead ends: 1644 [2018-09-23 19:31:06,448 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:31:06,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1644 states. [2018-09-23 19:31:06,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1644 to 1636. [2018-09-23 19:31:06,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1636 states. [2018-09-23 19:31:06,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1636 states and 2202 transitions. [2018-09-23 19:31:06,481 INFO L78 Accepts]: Start accepts. Automaton has 1636 states and 2202 transitions. Word has length 213 [2018-09-23 19:31:06,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:31:06,481 INFO L480 AbstractCegarLoop]: Abstraction has 1636 states and 2202 transitions. [2018-09-23 19:31:06,481 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:31:06,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2202 transitions. [2018-09-23 19:31:06,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-09-23 19:31:06,487 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:31:06,487 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:31:06,487 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:31:06,488 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:31:06,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1480031661, now seen corresponding path program 1 times [2018-09-23 19:31:06,488 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:31:06,488 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:31:06,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:06,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:31:06,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:31:06,628 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 328 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2018-09-23 19:31:06,628 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:31:06,629 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-23 19:31:06,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:31:06,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:31:06,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:31:06,630 INFO L87 Difference]: Start difference. First operand 1636 states and 2202 transitions. Second operand 3 states. [2018-09-23 19:31:06,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:31:06,749 INFO L93 Difference]: Finished difference Result 4772 states and 6442 transitions. [2018-09-23 19:31:06,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:31:06,750 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 213 [2018-09-23 19:31:06,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:31:06,763 INFO L225 Difference]: With dead ends: 4772 [2018-09-23 19:31:06,763 INFO L226 Difference]: Without dead ends: 3142 [2018-09-23 19:31:06,766 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:31:06,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3142 states. [2018-09-23 19:31:06,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3142 to 3140. [2018-09-23 19:31:06,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3140 states. [2018-09-23 19:31:06,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 3140 states and 4241 transitions. [2018-09-23 19:31:06,828 INFO L78 Accepts]: Start accepts. Automaton has 3140 states and 4241 transitions. Word has length 213 [2018-09-23 19:31:06,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:31:06,829 INFO L480 AbstractCegarLoop]: Abstraction has 3140 states and 4241 transitions. [2018-09-23 19:31:06,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:31:06,829 INFO L276 IsEmpty]: Start isEmpty. Operand 3140 states and 4241 transitions. [2018-09-23 19:31:06,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-09-23 19:31:06,836 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:31:06,836 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:31:06,836 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:31:06,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:31:06,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1955375200, now seen corresponding path program 1 times [2018-09-23 19:31:06,837 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:31:06,837 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:31:06,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:06,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:31:06,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:31:06,959 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2018-09-23 19:31:06,959 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:31:06,959 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-23 19:31:06,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:31:06,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:31:06,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:31:06,960 INFO L87 Difference]: Start difference. First operand 3140 states and 4241 transitions. Second operand 3 states. [2018-09-23 19:31:07,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:31:07,459 INFO L93 Difference]: Finished difference Result 6426 states and 8672 transitions. [2018-09-23 19:31:07,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:31:07,459 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 238 [2018-09-23 19:31:07,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:31:07,472 INFO L225 Difference]: With dead ends: 6426 [2018-09-23 19:31:07,472 INFO L226 Difference]: Without dead ends: 3292 [2018-09-23 19:31:07,479 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:31:07,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3292 states. [2018-09-23 19:31:07,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3292 to 3276. [2018-09-23 19:31:07,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3276 states. [2018-09-23 19:31:07,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3276 states to 3276 states and 4397 transitions. [2018-09-23 19:31:07,540 INFO L78 Accepts]: Start accepts. Automaton has 3276 states and 4397 transitions. Word has length 238 [2018-09-23 19:31:07,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:31:07,540 INFO L480 AbstractCegarLoop]: Abstraction has 3276 states and 4397 transitions. [2018-09-23 19:31:07,540 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:31:07,541 INFO L276 IsEmpty]: Start isEmpty. Operand 3276 states and 4397 transitions. [2018-09-23 19:31:07,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-09-23 19:31:07,548 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:31:07,548 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:31:07,549 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:31:07,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:31:07,549 INFO L82 PathProgramCache]: Analyzing trace with hash 2043312965, now seen corresponding path program 1 times [2018-09-23 19:31:07,549 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:31:07,549 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:31:07,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:07,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:31:07,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:31:07,710 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2018-09-23 19:31:07,711 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:31:07,711 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-23 19:31:07,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:31:07,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:31:07,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:31:07,717 INFO L87 Difference]: Start difference. First operand 3276 states and 4397 transitions. Second operand 3 states. [2018-09-23 19:31:08,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:31:08,449 INFO L93 Difference]: Finished difference Result 6954 states and 9464 transitions. [2018-09-23 19:31:08,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:31:08,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 249 [2018-09-23 19:31:08,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:31:08,466 INFO L225 Difference]: With dead ends: 6954 [2018-09-23 19:31:08,466 INFO L226 Difference]: Without dead ends: 3684 [2018-09-23 19:31:08,470 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:31:08,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3684 states. [2018-09-23 19:31:08,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3684 to 3596. [2018-09-23 19:31:08,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3596 states. [2018-09-23 19:31:08,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3596 states to 3596 states and 4773 transitions. [2018-09-23 19:31:08,535 INFO L78 Accepts]: Start accepts. Automaton has 3596 states and 4773 transitions. Word has length 249 [2018-09-23 19:31:08,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:31:08,535 INFO L480 AbstractCegarLoop]: Abstraction has 3596 states and 4773 transitions. [2018-09-23 19:31:08,535 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:31:08,536 INFO L276 IsEmpty]: Start isEmpty. Operand 3596 states and 4773 transitions. [2018-09-23 19:31:08,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-09-23 19:31:08,544 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:31:08,544 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:31:08,545 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:31:08,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:31:08,545 INFO L82 PathProgramCache]: Analyzing trace with hash 713372088, now seen corresponding path program 1 times [2018-09-23 19:31:08,545 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:31:08,545 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:31:08,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:08,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:31:08,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:31:08,661 INFO L134 CoverageAnalysis]: Checked inductivity of 791 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2018-09-23 19:31:08,662 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:31:08,662 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-23 19:31:08,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:31:08,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:31:08,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:31:08,663 INFO L87 Difference]: Start difference. First operand 3596 states and 4773 transitions. Second operand 3 states. [2018-09-23 19:31:09,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:31:09,750 INFO L93 Difference]: Finished difference Result 7602 states and 10024 transitions. [2018-09-23 19:31:09,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:31:09,754 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 264 [2018-09-23 19:31:09,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:31:09,772 INFO L225 Difference]: With dead ends: 7602 [2018-09-23 19:31:09,772 INFO L226 Difference]: Without dead ends: 4012 [2018-09-23 19:31:09,776 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:31:09,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4012 states. [2018-09-23 19:31:09,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4012 to 3724. [2018-09-23 19:31:09,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3724 states. [2018-09-23 19:31:09,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3724 states to 3724 states and 4925 transitions. [2018-09-23 19:31:09,848 INFO L78 Accepts]: Start accepts. Automaton has 3724 states and 4925 transitions. Word has length 264 [2018-09-23 19:31:09,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:31:09,849 INFO L480 AbstractCegarLoop]: Abstraction has 3724 states and 4925 transitions. [2018-09-23 19:31:09,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:31:09,849 INFO L276 IsEmpty]: Start isEmpty. Operand 3724 states and 4925 transitions. [2018-09-23 19:31:09,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-09-23 19:31:09,857 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:31:09,857 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:31:09,857 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:31:09,857 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:31:09,858 INFO L82 PathProgramCache]: Analyzing trace with hash -2057089708, now seen corresponding path program 1 times [2018-09-23 19:31:09,858 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:31:09,858 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:31:09,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:09,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:31:09,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:31:10,016 INFO L134 CoverageAnalysis]: Checked inductivity of 791 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2018-09-23 19:31:10,017 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:31:10,017 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-23 19:31:10,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:31:10,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:31:10,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:31:10,018 INFO L87 Difference]: Start difference. First operand 3724 states and 4925 transitions. Second operand 3 states. [2018-09-23 19:31:10,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:31:10,196 INFO L93 Difference]: Finished difference Result 10640 states and 14147 transitions. [2018-09-23 19:31:10,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:31:10,197 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 265 [2018-09-23 19:31:10,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:31:10,237 INFO L225 Difference]: With dead ends: 10640 [2018-09-23 19:31:10,237 INFO L226 Difference]: Without dead ends: 6922 [2018-09-23 19:31:10,243 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:31:10,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6922 states. [2018-09-23 19:31:10,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6922 to 6920. [2018-09-23 19:31:10,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6920 states. [2018-09-23 19:31:10,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6920 states to 6920 states and 9207 transitions. [2018-09-23 19:31:10,350 INFO L78 Accepts]: Start accepts. Automaton has 6920 states and 9207 transitions. Word has length 265 [2018-09-23 19:31:10,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:31:10,351 INFO L480 AbstractCegarLoop]: Abstraction has 6920 states and 9207 transitions. [2018-09-23 19:31:10,351 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:31:10,351 INFO L276 IsEmpty]: Start isEmpty. Operand 6920 states and 9207 transitions. [2018-09-23 19:31:10,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-09-23 19:31:10,359 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:31:10,359 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:31:10,360 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:31:10,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:31:10,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1026771827, now seen corresponding path program 1 times [2018-09-23 19:31:10,360 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:31:10,360 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:31:10,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:10,361 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:31:10,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:31:10,443 INFO L134 CoverageAnalysis]: Checked inductivity of 791 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2018-09-23 19:31:10,444 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:31:10,444 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-23 19:31:10,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:31:10,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:31:10,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:31:10,445 INFO L87 Difference]: Start difference. First operand 6920 states and 9207 transitions. Second operand 3 states. [2018-09-23 19:31:10,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:31:10,786 INFO L93 Difference]: Finished difference Result 13842 states and 18396 transitions. [2018-09-23 19:31:10,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:31:10,788 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 266 [2018-09-23 19:31:10,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:31:10,801 INFO L225 Difference]: With dead ends: 13842 [2018-09-23 19:31:10,801 INFO L226 Difference]: Without dead ends: 6928 [2018-09-23 19:31:10,808 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:31:10,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6928 states. [2018-09-23 19:31:10,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6928 to 6896. [2018-09-23 19:31:10,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6896 states. [2018-09-23 19:31:10,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6896 states to 6896 states and 8991 transitions. [2018-09-23 19:31:10,915 INFO L78 Accepts]: Start accepts. Automaton has 6896 states and 8991 transitions. Word has length 266 [2018-09-23 19:31:10,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:31:10,916 INFO L480 AbstractCegarLoop]: Abstraction has 6896 states and 8991 transitions. [2018-09-23 19:31:10,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:31:10,916 INFO L276 IsEmpty]: Start isEmpty. Operand 6896 states and 8991 transitions. [2018-09-23 19:31:10,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-09-23 19:31:10,926 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:31:10,927 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:31:10,927 INFO L423 AbstractCegarLoop]: === Iteration 20 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:31:10,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:31:10,928 INFO L82 PathProgramCache]: Analyzing trace with hash 2111243411, now seen corresponding path program 1 times [2018-09-23 19:31:10,928 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:31:10,928 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:31:10,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:10,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:31:10,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:31:11,188 INFO L134 CoverageAnalysis]: Checked inductivity of 917 backedges. 336 proven. 19 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2018-09-23 19:31:11,188 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-23 19:31:11,189 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-23 19:31:11,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:31:11,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:31:11,380 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 19:31:11,494 INFO L134 CoverageAnalysis]: Checked inductivity of 917 backedges. 336 proven. 19 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2018-09-23 19:31:11,527 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-23 19:31:11,528 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-09-23 19:31:11,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-23 19:31:11,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-23 19:31:11,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-23 19:31:11,529 INFO L87 Difference]: Start difference. First operand 6896 states and 8991 transitions. Second operand 4 states. [2018-09-23 19:31:14,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:31:14,822 INFO L93 Difference]: Finished difference Result 13708 states and 17869 transitions. [2018-09-23 19:31:14,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-23 19:31:14,823 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 289 [2018-09-23 19:31:14,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:31:14,843 INFO L225 Difference]: With dead ends: 13708 [2018-09-23 19:31:14,843 INFO L226 Difference]: Without dead ends: 10342 [2018-09-23 19:31:14,850 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-23 19:31:14,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10342 states. [2018-09-23 19:31:15,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10342 to 8856. [2018-09-23 19:31:15,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8856 states. [2018-09-23 19:31:15,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8856 states to 8856 states and 11545 transitions. [2018-09-23 19:31:15,050 INFO L78 Accepts]: Start accepts. Automaton has 8856 states and 11545 transitions. Word has length 289 [2018-09-23 19:31:15,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:31:15,051 INFO L480 AbstractCegarLoop]: Abstraction has 8856 states and 11545 transitions. [2018-09-23 19:31:15,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-23 19:31:15,051 INFO L276 IsEmpty]: Start isEmpty. Operand 8856 states and 11545 transitions. [2018-09-23 19:31:15,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-09-23 19:31:15,066 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:31:15,067 INFO L375 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:31:15,067 INFO L423 AbstractCegarLoop]: === Iteration 21 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:31:15,067 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:31:15,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1098716245, now seen corresponding path program 1 times [2018-09-23 19:31:15,068 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:31:15,068 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:31:15,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:15,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:31:15,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:31:15,275 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 413 proven. 6 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2018-09-23 19:31:15,275 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-23 19:31:15,275 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2018-09-23 19:31:15,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-23 19:31:15,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:31:15,381 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 19:31:15,552 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2018-09-23 19:31:15,572 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-09-23 19:31:15,573 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-09-23 19:31:15,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-23 19:31:15,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-23 19:31:15,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-09-23 19:31:15,574 INFO L87 Difference]: Start difference. First operand 8856 states and 11545 transitions. Second operand 5 states. [2018-09-23 19:31:17,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:31:17,774 INFO L93 Difference]: Finished difference Result 20921 states and 27145 transitions. [2018-09-23 19:31:17,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-23 19:31:17,774 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 303 [2018-09-23 19:31:17,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:31:17,800 INFO L225 Difference]: With dead ends: 20921 [2018-09-23 19:31:17,800 INFO L226 Difference]: Without dead ends: 12063 [2018-09-23 19:31:17,812 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-09-23 19:31:17,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12063 states. [2018-09-23 19:31:18,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12063 to 9883. [2018-09-23 19:31:18,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9883 states. [2018-09-23 19:31:18,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9883 states to 9883 states and 12626 transitions. [2018-09-23 19:31:18,047 INFO L78 Accepts]: Start accepts. Automaton has 9883 states and 12626 transitions. Word has length 303 [2018-09-23 19:31:18,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:31:18,048 INFO L480 AbstractCegarLoop]: Abstraction has 9883 states and 12626 transitions. [2018-09-23 19:31:18,048 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-23 19:31:18,048 INFO L276 IsEmpty]: Start isEmpty. Operand 9883 states and 12626 transitions. [2018-09-23 19:31:18,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2018-09-23 19:31:18,067 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:31:18,068 INFO L375 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:31:18,068 INFO L423 AbstractCegarLoop]: === Iteration 22 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:31:18,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:31:18,069 INFO L82 PathProgramCache]: Analyzing trace with hash -708971903, now seen corresponding path program 1 times [2018-09-23 19:31:18,069 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:31:18,069 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:31:18,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:18,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:31:18,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:31:18,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2015 backedges. 918 proven. 0 refuted. 0 times theorem prover too weak. 1097 trivial. 0 not checked. [2018-09-23 19:31:18,441 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:31:18,441 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-23 19:31:18,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:31:18,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:31:18,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:31:18,443 INFO L87 Difference]: Start difference. First operand 9883 states and 12626 transitions. Second operand 3 states. [2018-09-23 19:31:19,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:31:19,970 INFO L93 Difference]: Finished difference Result 18554 states and 23425 transitions. [2018-09-23 19:31:19,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:31:19,973 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 414 [2018-09-23 19:31:19,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:31:19,981 INFO L225 Difference]: With dead ends: 18554 [2018-09-23 19:31:19,981 INFO L226 Difference]: Without dead ends: 4012 [2018-09-23 19:31:19,993 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:31:19,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4012 states. [2018-09-23 19:31:20,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4012 to 3659. [2018-09-23 19:31:20,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3659 states. [2018-09-23 19:31:20,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3659 states to 3659 states and 4577 transitions. [2018-09-23 19:31:20,063 INFO L78 Accepts]: Start accepts. Automaton has 3659 states and 4577 transitions. Word has length 414 [2018-09-23 19:31:20,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:31:20,064 INFO L480 AbstractCegarLoop]: Abstraction has 3659 states and 4577 transitions. [2018-09-23 19:31:20,064 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:31:20,064 INFO L276 IsEmpty]: Start isEmpty. Operand 3659 states and 4577 transitions. [2018-09-23 19:31:20,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2018-09-23 19:31:20,071 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:31:20,071 INFO L375 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 13, 13, 12, 12, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:31:20,071 INFO L423 AbstractCegarLoop]: === Iteration 23 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:31:20,072 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:31:20,072 INFO L82 PathProgramCache]: Analyzing trace with hash -2022233952, now seen corresponding path program 1 times [2018-09-23 19:31:20,072 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:31:20,072 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:31:20,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:20,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:31:20,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:31:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:31:20,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2074 backedges. 1299 proven. 15 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2018-09-23 19:31:20,355 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-23 19:31:20,356 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-23 19:31:20,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:31:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:31:20,460 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 19:31:20,581 INFO L134 CoverageAnalysis]: Checked inductivity of 2074 backedges. 1299 proven. 15 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2018-09-23 19:31:20,616 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-23 19:31:20,616 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-09-23 19:31:20,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-23 19:31:20,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-23 19:31:20,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-23 19:31:20,618 INFO L87 Difference]: Start difference. First operand 3659 states and 4577 transitions. Second operand 4 states. [2018-09-23 19:31:21,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:31:21,248 INFO L93 Difference]: Finished difference Result 4485 states and 5603 transitions. [2018-09-23 19:31:21,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-23 19:31:21,248 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 443 [2018-09-23 19:31:21,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:31:21,249 INFO L225 Difference]: With dead ends: 4485 [2018-09-23 19:31:21,249 INFO L226 Difference]: Without dead ends: 0 [2018-09-23 19:31:21,252 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 445 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-23 19:31:21,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-23 19:31:21,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-23 19:31:21,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-23 19:31:21,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-23 19:31:21,255 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 443 [2018-09-23 19:31:21,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:31:21,256 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-23 19:31:21,256 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-23 19:31:21,256 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-23 19:31:21,256 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-23 19:31:21,261 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-23 19:31:21,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,676 WARN L178 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 63 [2018-09-23 19:31:21,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:21,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:31:22,722 WARN L178 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 9 [2018-09-23 19:31:22,938 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 18 [2018-09-23 19:31:23,545 WARN L178 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 49 [2018-09-23 19:31:23,688 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 14 [2018-09-23 19:31:24,045 INFO L426 ceAbstractionStarter]: For program point L432(lines 432 434) no Hoare annotation was computed. [2018-09-23 19:31:24,045 INFO L426 ceAbstractionStarter]: For program point L366(lines 366 368) no Hoare annotation was computed. [2018-09-23 19:31:24,045 INFO L426 ceAbstractionStarter]: For program point L300(lines 300 603) no Hoare annotation was computed. [2018-09-23 19:31:24,045 INFO L426 ceAbstractionStarter]: For program point L366-2(lines 366 371) no Hoare annotation was computed. [2018-09-23 19:31:24,046 INFO L422 ceAbstractionStarter]: At program point L267(lines 265 407) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~7 4560)) (.cse1 (<= 4352 ssl3_connect_~s__state~7))) (or (and .cse0 (<= ssl3_connect_~blastFlag~7 4) .cse1 (= ssl3_connect_~s__hit~7 0)) (and .cse0 (<= ssl3_connect_~blastFlag~7 0) .cse1))) [2018-09-23 19:31:24,046 INFO L426 ceAbstractionStarter]: For program point L532(lines 532 544) no Hoare annotation was computed. [2018-09-23 19:31:24,046 INFO L426 ceAbstractionStarter]: For program point L532-1(lines 532 544) no Hoare annotation was computed. [2018-09-23 19:31:24,046 INFO L422 ceAbstractionStarter]: At program point L433(lines 433 636) the Hoare annotation is: false [2018-09-23 19:31:24,046 INFO L426 ceAbstractionStarter]: For program point L334(lines 334 346) no Hoare annotation was computed. [2018-09-23 19:31:24,046 INFO L426 ceAbstractionStarter]: For program point L268(lines 268 603) no Hoare annotation was computed. [2018-09-23 19:31:24,046 INFO L426 ceAbstractionStarter]: For program point L334-2(lines 334 350) no Hoare annotation was computed. [2018-09-23 19:31:24,046 INFO L426 ceAbstractionStarter]: For program point L235(lines 235 238) no Hoare annotation was computed. [2018-09-23 19:31:24,046 INFO L426 ceAbstractionStarter]: For program point L401(lines 401 403) no Hoare annotation was computed. [2018-09-23 19:31:24,046 INFO L426 ceAbstractionStarter]: For program point L401-2(lines 401 406) no Hoare annotation was computed. [2018-09-23 19:31:24,046 INFO L426 ceAbstractionStarter]: For program point L302(lines 302 603) no Hoare annotation was computed. [2018-09-23 19:31:24,046 INFO L426 ceAbstractionStarter]: For program point L236(lines 236 237) no Hoare annotation was computed. [2018-09-23 19:31:24,046 INFO L426 ceAbstractionStarter]: For program point L567(lines 567 570) no Hoare annotation was computed. [2018-09-23 19:31:24,046 INFO L426 ceAbstractionStarter]: For program point L501(lines 501 503) no Hoare annotation was computed. [2018-09-23 19:31:24,046 INFO L426 ceAbstractionStarter]: For program point L435(lines 435 437) no Hoare annotation was computed. [2018-09-23 19:31:24,047 INFO L422 ceAbstractionStarter]: At program point L303(lines 301 521) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~7 4560)) (.cse1 (<= 4464 ssl3_connect_~s__state~7))) (or (and .cse0 .cse1 (= ssl3_connect_~s__hit~7 0)) (and (<= ssl3_connect_~blastFlag~7 2) .cse0 .cse1))) [2018-09-23 19:31:24,047 INFO L426 ceAbstractionStarter]: For program point L270(lines 270 603) no Hoare annotation was computed. [2018-09-23 19:31:24,047 INFO L426 ceAbstractionStarter]: For program point L634(lines 634 636) no Hoare annotation was computed. [2018-09-23 19:31:24,048 INFO L422 ceAbstractionStarter]: At program point L601(lines 360 621) the Hoare annotation is: (let ((.cse7 (<= 4560 ssl3_connect_~s__state~7)) (.cse8 (<= ssl3_connect_~s__state~7 4560)) (.cse4 (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~7)) (.cse3 (<= ssl3_connect_~s__s3__tmp__next_state___0~7 4560)) (.cse2 (<= ssl3_connect_~s__state~7 4352)) (.cse5 (<= 4352 ssl3_connect_~s__state~7)) (.cse6 (<= ssl3_connect_~blastFlag~7 2)) (.cse0 (= ssl3_connect_~s__state~7 4512)) (.cse9 (= ssl3_connect_~s__state~7 4528)) (.cse1 (= ssl3_connect_~s__hit~7 0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse5 .cse1) (and .cse6 .cse7 .cse8) (and .cse7 .cse8 .cse3 .cse4 .cse1) (and (<= ssl3_connect_~s__state~7 3) .cse3) (<= ssl3_connect_~blastFlag~7 0) (and (= ssl3_connect_~s__state~7 4480) .cse1) (and .cse2 .cse6 (<= ssl3_connect_~s__s3__tmp__next_state___0~7 3) .cse5) (and .cse6 (= ssl3_connect_~s__state~7 4384)) (and .cse6 .cse9) (and (= ssl3_connect_~s__state~7 4464) .cse1) (and .cse6 .cse0) (and (<= ssl3_connect_~blastFlag~7 4) .cse1) (and .cse9 .cse1) (and (= ssl3_connect_~s__state~7 4496) .cse1))) [2018-09-23 19:31:24,048 INFO L426 ceAbstractionStarter]: For program point L535(lines 535 541) no Hoare annotation was computed. [2018-09-23 19:31:24,048 INFO L426 ceAbstractionStarter]: For program point L337(lines 337 340) no Hoare annotation was computed. [2018-09-23 19:31:24,048 INFO L426 ceAbstractionStarter]: For program point L304(lines 304 603) no Hoare annotation was computed. [2018-09-23 19:31:24,048 INFO L422 ceAbstractionStarter]: At program point L271(lines 269 411) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~7 4560)) (.cse1 (<= 4352 ssl3_connect_~s__state~7))) (or (and .cse0 (<= ssl3_connect_~blastFlag~7 4) .cse1 (= ssl3_connect_~s__hit~7 0)) (and .cse0 (<= ssl3_connect_~blastFlag~7 0) .cse1))) [2018-09-23 19:31:24,049 INFO L426 ceAbstractionStarter]: For program point L272(lines 272 603) no Hoare annotation was computed. [2018-09-23 19:31:24,049 INFO L426 ceAbstractionStarter]: For program point L239(lines 235 623) no Hoare annotation was computed. [2018-09-23 19:31:24,049 INFO L426 ceAbstractionStarter]: For program point L306(lines 306 603) no Hoare annotation was computed. [2018-09-23 19:31:24,049 INFO L426 ceAbstractionStarter]: For program point L604(lines 604 621) no Hoare annotation was computed. [2018-09-23 19:31:24,049 INFO L422 ceAbstractionStarter]: At program point L307(lines 305 547) the Hoare annotation is: (let ((.cse1 (= ssl3_connect_~s__hit~7 0)) (.cse0 (<= 4560 ssl3_connect_~s__state~7)) (.cse2 (<= ssl3_connect_~s__state~7 4560))) (or (and .cse0 (<= ssl3_connect_~blastFlag~7 4) .cse1) (and .cse0 .cse2 (<= ssl3_connect_~s__s3__tmp__next_state___0~7 4560) .cse1) (and .cse0 (<= ssl3_connect_~blastFlag~7 0)) (and (<= ssl3_connect_~blastFlag~7 2) .cse0 .cse2))) [2018-09-23 19:31:24,049 INFO L426 ceAbstractionStarter]: For program point L274(lines 274 603) no Hoare annotation was computed. [2018-09-23 19:31:24,049 INFO L426 ceAbstractionStarter]: For program point L241(lines 241 243) no Hoare annotation was computed. [2018-09-23 19:31:24,049 INFO L426 ceAbstractionStarter]: For program point L605(lines 605 620) no Hoare annotation was computed. [2018-09-23 19:31:24,049 INFO L426 ceAbstractionStarter]: For program point L374(lines 374 375) no Hoare annotation was computed. [2018-09-23 19:31:24,049 INFO L426 ceAbstractionStarter]: For program point L341(lines 341 344) no Hoare annotation was computed. [2018-09-23 19:31:24,049 INFO L426 ceAbstractionStarter]: For program point L308(lines 308 603) no Hoare annotation was computed. [2018-09-23 19:31:24,049 INFO L422 ceAbstractionStarter]: At program point L275(lines 273 428) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~7 4560)) (.cse1 (<= 4352 ssl3_connect_~s__state~7))) (or (and .cse0 (<= ssl3_connect_~blastFlag~7 4) .cse1 (= ssl3_connect_~s__hit~7 0)) (and .cse0 (<= ssl3_connect_~blastFlag~7 0) .cse1))) [2018-09-23 19:31:24,049 INFO L426 ceAbstractionStarter]: For program point L606(lines 606 612) no Hoare annotation was computed. [2018-09-23 19:31:24,050 INFO L426 ceAbstractionStarter]: For program point L606-2(lines 606 619) no Hoare annotation was computed. [2018-09-23 19:31:24,050 INFO L426 ceAbstractionStarter]: For program point L507(lines 507 511) no Hoare annotation was computed. [2018-09-23 19:31:24,050 INFO L426 ceAbstractionStarter]: For program point L474(lines 474 476) no Hoare annotation was computed. [2018-09-23 19:31:24,050 INFO L426 ceAbstractionStarter]: For program point L507-2(lines 507 515) no Hoare annotation was computed. [2018-09-23 19:31:24,050 INFO L422 ceAbstractionStarter]: At program point L309(lines 309 561) the Hoare annotation is: (let ((.cse2 (= ssl3_connect_~s__hit~7 0)) (.cse0 (<= ssl3_connect_~s__state~7 4352)) (.cse1 (<= 4352 ssl3_connect_~s__state~7))) (or (and .cse0 (<= ssl3_connect_~blastFlag~7 4) .cse1 .cse2) (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~7 4560) (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~7) .cse1 .cse2) (and .cse0 (<= ssl3_connect_~blastFlag~7 2) (<= ssl3_connect_~s__s3__tmp__next_state___0~7 3) .cse1) (and .cse0 (<= ssl3_connect_~blastFlag~7 0) .cse1))) [2018-09-23 19:31:24,050 INFO L426 ceAbstractionStarter]: For program point L276(lines 276 603) no Hoare annotation was computed. [2018-09-23 19:31:24,050 INFO L426 ceAbstractionStarter]: For program point L310(lines 310 603) no Hoare annotation was computed. [2018-09-23 19:31:24,050 INFO L426 ceAbstractionStarter]: For program point L244(line 244) no Hoare annotation was computed. [2018-09-23 19:31:24,050 INFO L429 ceAbstractionStarter]: At program point L311(lines 311 578) the Hoare annotation is: true [2018-09-23 19:31:24,050 INFO L426 ceAbstractionStarter]: For program point L278(lines 278 603) no Hoare annotation was computed. [2018-09-23 19:31:24,050 INFO L426 ceAbstractionStarter]: For program point L609(lines 609 611) no Hoare annotation was computed. [2018-09-23 19:31:24,050 INFO L426 ceAbstractionStarter]: For program point L576-1(lines 576 578) no Hoare annotation was computed. [2018-09-23 19:31:24,051 INFO L422 ceAbstractionStarter]: At program point L279(lines 277 441) the Hoare annotation is: (let ((.cse2 (= ssl3_connect_~s__hit~7 0)) (.cse0 (<= ssl3_connect_~s__state~7 4560)) (.cse1 (<= 4352 ssl3_connect_~s__state~7))) (or (and (<= ssl3_connect_~s__s3__tmp__next_state___0~7 4560) .cse0 .cse1 .cse2) (and .cse0 (<= ssl3_connect_~blastFlag~7 4) .cse1 .cse2) (and .cse0 (<= ssl3_connect_~blastFlag~7 0) .cse1))) [2018-09-23 19:31:24,051 INFO L426 ceAbstractionStarter]: For program point L246(lines 246 603) no Hoare annotation was computed. [2018-09-23 19:31:24,051 INFO L426 ceAbstractionStarter]: For program point L478(lines 478 483) no Hoare annotation was computed. [2018-09-23 19:31:24,051 INFO L426 ceAbstractionStarter]: For program point L445(lines 445 447) no Hoare annotation was computed. [2018-09-23 19:31:24,051 INFO L426 ceAbstractionStarter]: For program point L478-2(lines 478 483) no Hoare annotation was computed. [2018-09-23 19:31:24,051 INFO L426 ceAbstractionStarter]: For program point L445-2(lines 445 450) no Hoare annotation was computed. [2018-09-23 19:31:24,051 INFO L429 ceAbstractionStarter]: At program point L313(lines 313 597) the Hoare annotation is: true [2018-09-23 19:31:24,051 INFO L426 ceAbstractionStarter]: For program point L280(lines 280 603) no Hoare annotation was computed. [2018-09-23 19:31:24,051 INFO L422 ceAbstractionStarter]: At program point L247(lines 247 315) the Hoare annotation is: (let ((.cse0 (<= 4560 ssl3_connect_~s__state~7))) (or (and .cse0 (<= ssl3_connect_~blastFlag~7 4) (= ssl3_connect_~s__hit~7 0)) (and .cse0 (<= ssl3_connect_~blastFlag~7 0)))) [2018-09-23 19:31:24,052 INFO L426 ceAbstractionStarter]: For program point L248(lines 248 603) no Hoare annotation was computed. [2018-09-23 19:31:24,052 INFO L426 ceAbstractionStarter]: For program point L381(lines 381 383) no Hoare annotation was computed. [2018-09-23 19:31:24,052 INFO L426 ceAbstractionStarter]: For program point L381-2(lines 381 386) no Hoare annotation was computed. [2018-09-23 19:31:24,052 INFO L426 ceAbstractionStarter]: For program point L282(lines 282 603) no Hoare annotation was computed. [2018-09-23 19:31:24,052 INFO L426 ceAbstractionStarter]: For program point ssl3_connectENTRY(lines 15 640) no Hoare annotation was computed. [2018-09-23 19:31:24,052 INFO L426 ceAbstractionStarter]: For program point L415(lines 415 417) no Hoare annotation was computed. [2018-09-23 19:31:24,052 INFO L426 ceAbstractionStarter]: For program point L415-2(lines 415 420) no Hoare annotation was computed. [2018-09-23 19:31:24,052 INFO L426 ceAbstractionStarter]: For program point L250(lines 250 603) no Hoare annotation was computed. [2018-09-23 19:31:24,052 INFO L426 ceAbstractionStarter]: For program point L614(lines 614 618) no Hoare annotation was computed. [2018-09-23 19:31:24,053 INFO L426 ceAbstractionStarter]: For program point L581(lines 581 582) no Hoare annotation was computed. [2018-09-23 19:31:24,053 INFO L426 ceAbstractionStarter]: For program point L581-2(lines 581 582) no Hoare annotation was computed. [2018-09-23 19:31:24,053 INFO L426 ceAbstractionStarter]: For program point L284(lines 284 603) no Hoare annotation was computed. [2018-09-23 19:31:24,053 INFO L426 ceAbstractionStarter]: For program point L516(lines 516 519) no Hoare annotation was computed. [2018-09-23 19:31:24,053 INFO L426 ceAbstractionStarter]: For program point L351(lines 351 354) no Hoare annotation was computed. [2018-09-23 19:31:24,053 INFO L426 ceAbstractionStarter]: For program point L252(lines 252 603) no Hoare annotation was computed. [2018-09-23 19:31:24,053 INFO L426 ceAbstractionStarter]: For program point L451(lines 451 455) no Hoare annotation was computed. [2018-09-23 19:31:24,053 INFO L426 ceAbstractionStarter]: For program point L451-2(lines 451 455) no Hoare annotation was computed. [2018-09-23 19:31:24,053 INFO L426 ceAbstractionStarter]: For program point L286(lines 286 603) no Hoare annotation was computed. [2018-09-23 19:31:24,053 INFO L426 ceAbstractionStarter]: For program point L551(lines 551 553) no Hoare annotation was computed. [2018-09-23 19:31:24,054 INFO L426 ceAbstractionStarter]: For program point $Ultimate##85(lines 314 602) no Hoare annotation was computed. [2018-09-23 19:31:24,054 INFO L426 ceAbstractionStarter]: For program point $Ultimate##84(lines 314 602) no Hoare annotation was computed. [2018-09-23 19:31:24,054 INFO L422 ceAbstractionStarter]: At program point L287(lines 281 458) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~7 4560)) (.cse1 (<= 4464 ssl3_connect_~s__state~7))) (or (and .cse0 .cse1 (= ssl3_connect_~s__hit~7 0)) (and .cse0 .cse1 (<= ssl3_connect_~blastFlag~7 0)))) [2018-09-23 19:31:24,054 INFO L426 ceAbstractionStarter]: For program point L254(lines 254 603) no Hoare annotation was computed. [2018-09-23 19:31:24,054 INFO L426 ceAbstractionStarter]: For program point L585(lines 585 589) no Hoare annotation was computed. [2018-09-23 19:31:24,054 INFO L426 ceAbstractionStarter]: For program point L585-2(lines 585 589) no Hoare annotation was computed. [2018-09-23 19:31:24,054 INFO L426 ceAbstractionStarter]: For program point L387(lines 387 391) no Hoare annotation was computed. [2018-09-23 19:31:24,054 INFO L422 ceAbstractionStarter]: At program point L321(lines 249 321) the Hoare annotation is: (or (and (<= ssl3_connect_~blastFlag~7 4) (= ssl3_connect_~s__hit~7 0)) (<= ssl3_connect_~blastFlag~7 0)) [2018-09-23 19:31:24,054 INFO L426 ceAbstractionStarter]: For program point L387-2(lines 387 391) no Hoare annotation was computed. [2018-09-23 19:31:24,055 INFO L426 ceAbstractionStarter]: For program point L288(lines 288 603) no Hoare annotation was computed. [2018-09-23 19:31:24,055 INFO L426 ceAbstractionStarter]: For program point L256(lines 256 603) no Hoare annotation was computed. [2018-09-23 19:31:24,055 INFO L426 ceAbstractionStarter]: For program point L554(lines 554 558) no Hoare annotation was computed. [2018-09-23 19:31:24,055 INFO L426 ceAbstractionStarter]: For program point L554-2(lines 554 558) no Hoare annotation was computed. [2018-09-23 19:31:24,055 INFO L426 ceAbstractionStarter]: For program point L290(lines 290 603) no Hoare annotation was computed. [2018-09-23 19:31:24,055 INFO L426 ceAbstractionStarter]: For program point ssl3_connectEXIT(lines 15 640) no Hoare annotation was computed. [2018-09-23 19:31:24,055 INFO L426 ceAbstractionStarter]: For program point L423(lines 423 426) no Hoare annotation was computed. [2018-09-23 19:31:24,055 INFO L422 ceAbstractionStarter]: At program point L291(lines 289 470) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~7 4560)) (.cse1 (<= 4464 ssl3_connect_~s__state~7))) (or (and .cse0 .cse1 (= ssl3_connect_~s__hit~7 0)) (and .cse0 .cse1 (<= ssl3_connect_~blastFlag~7 0)))) [2018-09-23 19:31:24,055 INFO L426 ceAbstractionStarter]: For program point L258(lines 258 603) no Hoare annotation was computed. [2018-09-23 19:31:24,056 INFO L426 ceAbstractionStarter]: For program point ssl3_connectFINAL(lines 15 640) no Hoare annotation was computed. [2018-09-23 19:31:24,056 INFO L426 ceAbstractionStarter]: For program point L490(lines 490 492) no Hoare annotation was computed. [2018-09-23 19:31:24,056 INFO L426 ceAbstractionStarter]: For program point L292(lines 292 603) no Hoare annotation was computed. [2018-09-23 19:31:24,056 INFO L422 ceAbstractionStarter]: At program point L259(lines 257 361) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~7 4560)) (.cse1 (<= 4352 ssl3_connect_~s__state~7))) (or (and .cse0 (<= ssl3_connect_~blastFlag~7 4) .cse1 (= ssl3_connect_~s__hit~7 0)) (and .cse0 (<= ssl3_connect_~blastFlag~7 0) .cse1))) [2018-09-23 19:31:24,056 INFO L426 ceAbstractionStarter]: For program point L326(lines 326 327) no Hoare annotation was computed. [2018-09-23 19:31:24,056 INFO L426 ceAbstractionStarter]: For program point L260(lines 260 603) no Hoare annotation was computed. [2018-09-23 19:31:24,056 INFO L426 ceAbstractionStarter]: For program point L326-2(lines 326 327) no Hoare annotation was computed. [2018-09-23 19:31:24,056 INFO L426 ceAbstractionStarter]: For program point L227(lines 227 231) no Hoare annotation was computed. [2018-09-23 19:31:24,056 INFO L429 ceAbstractionStarter]: At program point L624(lines 242 624) the Hoare annotation is: true [2018-09-23 19:31:24,057 INFO L426 ceAbstractionStarter]: For program point L525(lines 525 527) no Hoare annotation was computed. [2018-09-23 19:31:24,057 INFO L426 ceAbstractionStarter]: For program point L294(lines 294 603) no Hoare annotation was computed. [2018-09-23 19:31:24,057 INFO L422 ceAbstractionStarter]: At program point L295(lines 293 486) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~7 4560)) (.cse1 (<= 4464 ssl3_connect_~s__state~7))) (or (and .cse0 .cse1 (= ssl3_connect_~s__hit~7 0)) (and .cse0 .cse1 (<= ssl3_connect_~blastFlag~7 0)))) [2018-09-23 19:31:24,057 INFO L426 ceAbstractionStarter]: For program point L262(lines 262 603) no Hoare annotation was computed. [2018-09-23 19:31:24,057 INFO L426 ceAbstractionStarter]: For program point L229(lines 229 231) no Hoare annotation was computed. [2018-09-23 19:31:24,057 INFO L426 ceAbstractionStarter]: For program point L229-2(lines 227 231) no Hoare annotation was computed. [2018-09-23 19:31:24,057 INFO L426 ceAbstractionStarter]: For program point L329(lines 329 332) no Hoare annotation was computed. [2018-09-23 19:31:24,057 INFO L426 ceAbstractionStarter]: For program point L296(lines 296 603) no Hoare annotation was computed. [2018-09-23 19:31:24,057 INFO L422 ceAbstractionStarter]: At program point L263(lines 261 377) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~7 4560)) (.cse1 (<= 4352 ssl3_connect_~s__state~7))) (or (and (<= ssl3_connect_~blastFlag~7 2) .cse0 .cse1) (and .cse0 (<= ssl3_connect_~blastFlag~7 4) .cse1 (= ssl3_connect_~s__hit~7 0)))) [2018-09-23 19:31:24,058 INFO L426 ceAbstractionStarter]: For program point ssl3_connectErr0ASSERT_VIOLATIONASSERT(line 635) no Hoare annotation was computed. [2018-09-23 19:31:24,058 INFO L426 ceAbstractionStarter]: For program point L594(lines 594 595) no Hoare annotation was computed. [2018-09-23 19:31:24,058 INFO L426 ceAbstractionStarter]: For program point L396-1(lines 396 407) no Hoare annotation was computed. [2018-09-23 19:31:24,058 INFO L426 ceAbstractionStarter]: For program point L264(lines 264 603) no Hoare annotation was computed. [2018-09-23 19:31:24,058 INFO L426 ceAbstractionStarter]: For program point L298(lines 298 603) no Hoare annotation was computed. [2018-09-23 19:31:24,058 INFO L426 ceAbstractionStarter]: For program point L629(lines 629 630) no Hoare annotation was computed. [2018-09-23 19:31:24,058 INFO L426 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-09-23 19:31:24,058 INFO L426 ceAbstractionStarter]: For program point L629-2(lines 629 630) no Hoare annotation was computed. [2018-09-23 19:31:24,058 INFO L426 ceAbstractionStarter]: For program point L563-2(lines 563 572) no Hoare annotation was computed. [2018-09-23 19:31:24,058 INFO L426 ceAbstractionStarter]: For program point L464(lines 464 466) no Hoare annotation was computed. [2018-09-23 19:31:24,059 INFO L422 ceAbstractionStarter]: At program point L299(lines 297 497) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~7 4560)) (.cse1 (<= 4464 ssl3_connect_~s__state~7))) (or (and (<= ssl3_connect_~blastFlag~7 2) .cse0 .cse1) (and .cse0 .cse1 (= ssl3_connect_~s__hit~7 0)))) [2018-09-23 19:31:24,059 INFO L426 ceAbstractionStarter]: For program point L266(lines 266 603) no Hoare annotation was computed. [2018-09-23 19:31:24,076 INFO L202 PluginConnector]: Adding new model s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.09 07:31:24 BoogieIcfgContainer [2018-09-23 19:31:24,076 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-23 19:31:24,077 INFO L168 Benchmark]: Toolchain (without parser) took 28217.52 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 564.1 MB). Free memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: -536.3 MB). Peak memory consumption was 928.6 MB. Max. memory is 7.1 GB. [2018-09-23 19:31:24,078 INFO L168 Benchmark]: Boogie PL CUP Parser took 1.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-23 19:31:24,079 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.37 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-23 19:31:24,079 INFO L168 Benchmark]: Boogie Preprocessor took 81.40 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-23 19:31:24,080 INFO L168 Benchmark]: RCFGBuilder took 1290.99 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2018-09-23 19:31:24,081 INFO L168 Benchmark]: TraceAbstraction took 26791.13 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 564.1 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -589.1 MB). Peak memory consumption was 875.7 MB. Max. memory is 7.1 GB. [2018-09-23 19:31:24,085 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 1.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 47.37 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 81.40 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 1290.99 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26791.13 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 564.1 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -589.1 MB). Peak memory consumption was 875.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 635]: 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: 249]: Loop Invariant Derived loop invariant: (~blastFlag~7 <= 4 && ~s__hit~7 == 0) || ~blastFlag~7 <= 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: ((4560 <= ~s__state~7 && ~blastFlag~7 <= 4) && ~s__hit~7 == 0) || (4560 <= ~s__state~7 && ~blastFlag~7 <= 0) - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: ((((~s__s3__tmp__next_state___0~7 <= 4560 && ~s__state~7 <= 4560) && 4352 <= ~s__state~7) && ~s__hit~7 == 0) || (((~s__state~7 <= 4560 && ~blastFlag~7 <= 4) && 4352 <= ~s__state~7) && ~s__hit~7 == 0)) || ((~s__state~7 <= 4560 && ~blastFlag~7 <= 0) && 4352 <= ~s__state~7) - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: true - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: (((((~s__state~7 <= 4352 && ~blastFlag~7 <= 4) && 4352 <= ~s__state~7) && ~s__hit~7 == 0) || ((((~s__state~7 <= 4352 && ~s__s3__tmp__next_state___0~7 <= 4560) && 4560 <= ~s__s3__tmp__next_state___0~7) && 4352 <= ~s__state~7) && ~s__hit~7 == 0)) || (((~s__state~7 <= 4352 && ~blastFlag~7 <= 2) && ~s__s3__tmp__next_state___0~7 <= 3) && 4352 <= ~s__state~7)) || ((~s__state~7 <= 4352 && ~blastFlag~7 <= 0) && 4352 <= ~s__state~7) - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: (((~s__state~7 <= 4560 && ~blastFlag~7 <= 4) && 4352 <= ~s__state~7) && ~s__hit~7 == 0) || ((~s__state~7 <= 4560 && ~blastFlag~7 <= 0) && 4352 <= ~s__state~7) - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: ((~blastFlag~7 <= 2 && ~s__state~7 <= 4560) && 4464 <= ~s__state~7) || ((~s__state~7 <= 4560 && 4464 <= ~s__state~7) && ~s__hit~7 == 0) - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: ((((((((((((((~s__state~7 == 4512 && ~s__hit~7 == 0) || ((((~s__state~7 <= 4352 && ~s__s3__tmp__next_state___0~7 <= 4560) && 4560 <= ~s__s3__tmp__next_state___0~7) && 4352 <= ~s__state~7) && ~s__hit~7 == 0)) || ((~blastFlag~7 <= 2 && 4560 <= ~s__state~7) && ~s__state~7 <= 4560)) || ((((4560 <= ~s__state~7 && ~s__state~7 <= 4560) && ~s__s3__tmp__next_state___0~7 <= 4560) && 4560 <= ~s__s3__tmp__next_state___0~7) && ~s__hit~7 == 0)) || (~s__state~7 <= 3 && ~s__s3__tmp__next_state___0~7 <= 4560)) || ~blastFlag~7 <= 0) || (~s__state~7 == 4480 && ~s__hit~7 == 0)) || (((~s__state~7 <= 4352 && ~blastFlag~7 <= 2) && ~s__s3__tmp__next_state___0~7 <= 3) && 4352 <= ~s__state~7)) || (~blastFlag~7 <= 2 && ~s__state~7 == 4384)) || (~blastFlag~7 <= 2 && ~s__state~7 == 4528)) || (~s__state~7 == 4464 && ~s__hit~7 == 0)) || (~blastFlag~7 <= 2 && ~s__state~7 == 4512)) || (~blastFlag~7 <= 4 && ~s__hit~7 == 0)) || (~s__state~7 == 4528 && ~s__hit~7 == 0)) || (~s__state~7 == 4496 && ~s__hit~7 == 0) - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: true - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: (((~s__state~7 <= 4560 && ~blastFlag~7 <= 4) && 4352 <= ~s__state~7) && ~s__hit~7 == 0) || ((~s__state~7 <= 4560 && ~blastFlag~7 <= 0) && 4352 <= ~s__state~7) - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: ((~s__state~7 <= 4560 && 4464 <= ~s__state~7) && ~s__hit~7 == 0) || ((~blastFlag~7 <= 2 && ~s__state~7 <= 4560) && 4464 <= ~s__state~7) - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: (((~s__state~7 <= 4560 && ~blastFlag~7 <= 4) && 4352 <= ~s__state~7) && ~s__hit~7 == 0) || ((~s__state~7 <= 4560 && ~blastFlag~7 <= 0) && 4352 <= ~s__state~7) - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: ((~s__state~7 <= 4560 && 4464 <= ~s__state~7) && ~s__hit~7 == 0) || ((~s__state~7 <= 4560 && 4464 <= ~s__state~7) && ~blastFlag~7 <= 0) - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: ((~blastFlag~7 <= 2 && ~s__state~7 <= 4560) && 4352 <= ~s__state~7) || (((~s__state~7 <= 4560 && ~blastFlag~7 <= 4) && 4352 <= ~s__state~7) && ~s__hit~7 == 0) - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: ((~s__state~7 <= 4560 && 4464 <= ~s__state~7) && ~s__hit~7 == 0) || ((~s__state~7 <= 4560 && 4464 <= ~s__state~7) && ~blastFlag~7 <= 0) - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: true - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: ((~s__state~7 <= 4560 && 4464 <= ~s__state~7) && ~s__hit~7 == 0) || ((~s__state~7 <= 4560 && 4464 <= ~s__state~7) && ~blastFlag~7 <= 0) - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: (((~s__state~7 <= 4560 && ~blastFlag~7 <= 4) && 4352 <= ~s__state~7) && ~s__hit~7 == 0) || ((~s__state~7 <= 4560 && ~blastFlag~7 <= 0) && 4352 <= ~s__state~7) - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: ((((4560 <= ~s__state~7 && ~blastFlag~7 <= 4) && ~s__hit~7 == 0) || (((4560 <= ~s__state~7 && ~s__state~7 <= 4560) && ~s__s3__tmp__next_state___0~7 <= 4560) && ~s__hit~7 == 0)) || (4560 <= ~s__state~7 && ~blastFlag~7 <= 0)) || ((~blastFlag~7 <= 2 && 4560 <= ~s__state~7) && ~s__state~7 <= 4560) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 128 locations, 1 error locations. SAFE Result, 26.7s OverallTime, 23 OverallIterations, 17 TraceHistogramMax, 17.8s AutomataDifference, 0.0s DeadEndRemovalTime, 2.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 4719 SDtfs, 1566 SDslu, 2813 SDs, 0 SdLazy, 2570 SolverSat, 431 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1111 GetRequests, 1080 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9883occurred in iteration=21, 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: 1.3s AutomataMinimizationTime, 23 MinimizatonAttempts, 4595 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 20 PreInvPairs, 355 NumberOfFragments, 518 HoareAnnotationTreeSize, 20 FomulaSimplifications, 20200 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 20 FomulaSimplificationsInter, 1613 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 5338 NumberOfCodeBlocks, 5338 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 5312 ConstructedInterpolants, 0 QuantifiedInterpolants, 1904120 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1669 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 26 InterpolantComputations, 21 PerfectInterpolantSequences, 16474/16548 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_Safe.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-23_19-31-24-116.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/s3_clnt_1_Safe.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-23_19-31-24-116.csv Received shutdown request...