java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_oct_cong.epf -i ../../../trunk/examples/programs/real-life/s3_clnt_1_Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c78c21b [2018-12-03 17:13:15,360 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 17:13:15,362 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 17:13:15,378 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 17:13:15,379 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 17:13:15,380 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 17:13:15,382 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 17:13:15,385 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 17:13:15,387 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 17:13:15,388 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 17:13:15,391 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-12-03 17:13:15,425 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_oct_cong.epf [2018-12-03 17:13:15,443 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 17:13:15,443 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 17:13:15,444 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-03 17:13:15,445 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-03 17:13:15,445 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 17:13:15,445 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 17:13:15,445 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 17:13:15,445 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 17:13:15,446 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 17:13:15,446 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-03 17:13:15,446 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-03 17:13:15,446 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 17:13:15,446 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 17:13:15,447 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 17:13:15,447 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 17:13:15,448 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 17:13:15,448 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 17:13:15,448 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 17:13:15,448 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 17:13:15,448 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 17:13:15,449 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 17:13:15,449 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 17:13:15,449 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 17:13:15,449 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 17:13:15,449 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 17:13:15,451 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 17:13:15,451 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 17:13:15,451 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 17:13:15,451 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 17:13:15,451 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 17:13:15,452 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 17:13:15,452 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 17:13:15,452 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 17:13:15,452 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 17:13:15,452 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 17:13:15,453 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 17:13:15,453 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 17:13:15,453 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 17:13:15,453 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-03 17:13:15,484 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 17:13:15,496 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 17:13:15,500 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 17:13:15,502 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-03 17:13:15,502 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-03 17:13:15,503 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/s3_clnt_1_Safe.bpl [2018-12-03 17:13:15,503 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/s3_clnt_1_Safe.bpl' [2018-12-03 17:13:15,583 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 17:13:15,584 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-03 17:13:15,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 17:13:15,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 17:13:15,586 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 17:13:15,605 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 03.12 05:13:15" (1/1) ... [2018-12-03 17:13:15,628 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 03.12 05:13:15" (1/1) ... [2018-12-03 17:13:15,637 WARN L165 Inliner]: Program contained no entry procedure! [2018-12-03 17:13:15,637 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-12-03 17:13:15,637 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-12-03 17:13:15,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 17:13:15,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 17:13:15,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 17:13:15,642 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 17:13:15,655 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 03.12 05:13:15" (1/1) ... [2018-12-03 17:13:15,655 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 03.12 05:13:15" (1/1) ... [2018-12-03 17:13:15,659 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 03.12 05:13:15" (1/1) ... [2018-12-03 17:13:15,666 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 03.12 05:13:15" (1/1) ... [2018-12-03 17:13:15,689 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 03.12 05:13:15" (1/1) ... [2018-12-03 17:13:15,708 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 03.12 05:13:15" (1/1) ... [2018-12-03 17:13:15,713 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 03.12 05:13:15" (1/1) ... [2018-12-03 17:13:15,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 17:13:15,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 17:13:15,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 17:13:15,727 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 17:13:15,728 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 05:13:15" (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 [2018-12-03 17:13:15,803 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2018-12-03 17:13:15,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2018-12-03 17:13:15,995 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-03 17:13:15,995 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-03 17:13:17,074 INFO L272 CfgBuilder]: Using library mode [2018-12-03 17:13:17,075 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 17:13:17,075 INFO L202 PluginConnector]: Adding new model s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:13:17 BoogieIcfgContainer [2018-12-03 17:13:17,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 17:13:17,076 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 17:13:17,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 17:13:17,081 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 17:13:17,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 05:13:15" (1/2) ... [2018-12-03 17:13:17,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2658b1b2 and model type s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 05:13:17, skipping insertion in model container [2018-12-03 17:13:17,083 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 03.12 05:13:17" (2/2) ... [2018-12-03 17:13:17,084 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_clnt_1_Safe.bpl [2018-12-03 17:13:17,096 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 17:13:17,105 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 17:13:17,127 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 17:13:17,167 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 17:13:17,167 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 17:13:17,167 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 17:13:17,168 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 17:13:17,168 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 17:13:17,168 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 17:13:17,168 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 17:13:17,168 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 17:13:17,191 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2018-12-03 17:13:17,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-03 17:13:17,200 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 17:13:17,202 INFO L402 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] [2018-12-03 17:13:17,204 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-12-03 17:13:17,211 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 17:13:17,212 INFO L82 PathProgramCache]: Analyzing trace with hash 2145417534, now seen corresponding path program 1 times [2018-12-03 17:13:17,215 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 17:13:17,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:17,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 17:13:17,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:17,277 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 17:13:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 17:13:17,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 17:13:17,491 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 17:13:17,492 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 17:13:17,492 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 17:13:17,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 17:13:17,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 17:13:17,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 17:13:17,518 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 3 states. [2018-12-03 17:13:17,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 17:13:17,805 INFO L93 Difference]: Finished difference Result 360 states and 618 transitions. [2018-12-03 17:13:17,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 17:13:17,807 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-12-03 17:13:17,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 17:13:17,827 INFO L225 Difference]: With dead ends: 360 [2018-12-03 17:13:17,827 INFO L226 Difference]: Without dead ends: 212 [2018-12-03 17:13:17,832 INFO L631 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 [2018-12-03 17:13:17,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2018-12-03 17:13:17,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2018-12-03 17:13:17,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2018-12-03 17:13:17,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 318 transitions. [2018-12-03 17:13:17,901 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 318 transitions. Word has length 23 [2018-12-03 17:13:17,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 17:13:17,902 INFO L480 AbstractCegarLoop]: Abstraction has 212 states and 318 transitions. [2018-12-03 17:13:17,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 17:13:17,902 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 318 transitions. [2018-12-03 17:13:17,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-03 17:13:17,905 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 17:13:17,905 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-03 17:13:17,906 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-12-03 17:13:17,906 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 17:13:17,906 INFO L82 PathProgramCache]: Analyzing trace with hash 274004071, now seen corresponding path program 1 times [2018-12-03 17:13:17,907 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 17:13:17,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:17,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 17:13:17,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:17,908 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 17:13:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 17:13:17,986 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 17:13:17,987 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 17:13:17,987 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 17:13:17,987 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 17:13:17,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 17:13:17,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 17:13:17,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 17:13:17,990 INFO L87 Difference]: Start difference. First operand 212 states and 318 transitions. Second operand 3 states. [2018-12-03 17:13:18,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 17:13:18,506 INFO L93 Difference]: Finished difference Result 460 states and 697 transitions. [2018-12-03 17:13:18,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 17:13:18,510 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2018-12-03 17:13:18,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 17:13:18,513 INFO L225 Difference]: With dead ends: 460 [2018-12-03 17:13:18,516 INFO L226 Difference]: Without dead ends: 254 [2018-12-03 17:13:18,520 INFO L631 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 [2018-12-03 17:13:18,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-12-03 17:13:18,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 246. [2018-12-03 17:13:18,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2018-12-03 17:13:18,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 362 transitions. [2018-12-03 17:13:18,557 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 362 transitions. Word has length 37 [2018-12-03 17:13:18,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 17:13:18,558 INFO L480 AbstractCegarLoop]: Abstraction has 246 states and 362 transitions. [2018-12-03 17:13:18,558 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 17:13:18,558 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 362 transitions. [2018-12-03 17:13:18,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-03 17:13:18,561 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 17:13:18,561 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-03 17:13:18,562 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-12-03 17:13:18,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 17:13:18,562 INFO L82 PathProgramCache]: Analyzing trace with hash -692738413, now seen corresponding path program 1 times [2018-12-03 17:13:18,562 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 17:13:18,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:18,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 17:13:18,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:18,564 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 17:13:18,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 17:13:18,716 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-03 17:13:18,716 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 17:13:18,716 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 17:13:18,716 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 17:13:18,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 17:13:18,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 17:13:18,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 17:13:18,718 INFO L87 Difference]: Start difference. First operand 246 states and 362 transitions. Second operand 3 states. [2018-12-03 17:13:19,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 17:13:19,063 INFO L93 Difference]: Finished difference Result 588 states and 892 transitions. [2018-12-03 17:13:19,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 17:13:19,064 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-12-03 17:13:19,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 17:13:19,067 INFO L225 Difference]: With dead ends: 588 [2018-12-03 17:13:19,067 INFO L226 Difference]: Without dead ends: 346 [2018-12-03 17:13:19,068 INFO L631 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 [2018-12-03 17:13:19,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2018-12-03 17:13:19,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 328. [2018-12-03 17:13:19,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-12-03 17:13:19,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 462 transitions. [2018-12-03 17:13:19,094 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 462 transitions. Word has length 54 [2018-12-03 17:13:19,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 17:13:19,094 INFO L480 AbstractCegarLoop]: Abstraction has 328 states and 462 transitions. [2018-12-03 17:13:19,095 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 17:13:19,095 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 462 transitions. [2018-12-03 17:13:19,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-03 17:13:19,103 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 17:13:19,103 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-03 17:13:19,104 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-12-03 17:13:19,104 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 17:13:19,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1796790549, now seen corresponding path program 1 times [2018-12-03 17:13:19,104 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 17:13:19,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:19,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 17:13:19,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:19,106 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 17:13:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 17:13:19,195 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-03 17:13:19,196 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 17:13:19,196 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 17:13:19,196 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 17:13:19,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 17:13:19,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 17:13:19,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 17:13:19,198 INFO L87 Difference]: Start difference. First operand 328 states and 462 transitions. Second operand 3 states. [2018-12-03 17:13:19,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 17:13:19,471 INFO L93 Difference]: Finished difference Result 696 states and 993 transitions. [2018-12-03 17:13:19,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 17:13:19,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-12-03 17:13:19,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 17:13:19,474 INFO L225 Difference]: With dead ends: 696 [2018-12-03 17:13:19,474 INFO L226 Difference]: Without dead ends: 374 [2018-12-03 17:13:19,475 INFO L631 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 [2018-12-03 17:13:19,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2018-12-03 17:13:19,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 366. [2018-12-03 17:13:19,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2018-12-03 17:13:19,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 510 transitions. [2018-12-03 17:13:19,495 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 510 transitions. Word has length 54 [2018-12-03 17:13:19,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 17:13:19,495 INFO L480 AbstractCegarLoop]: Abstraction has 366 states and 510 transitions. [2018-12-03 17:13:19,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 17:13:19,496 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 510 transitions. [2018-12-03 17:13:19,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-03 17:13:19,498 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 17:13:19,499 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-03 17:13:19,499 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-12-03 17:13:19,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 17:13:19,499 INFO L82 PathProgramCache]: Analyzing trace with hash -2132111413, now seen corresponding path program 1 times [2018-12-03 17:13:19,500 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 17:13:19,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:19,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 17:13:19,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:19,501 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 17:13:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 17:13:19,559 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-03 17:13:19,560 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 17:13:19,560 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 17:13:19,560 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 17:13:19,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 17:13:19,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 17:13:19,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 17:13:19,561 INFO L87 Difference]: Start difference. First operand 366 states and 510 transitions. Second operand 3 states. [2018-12-03 17:13:19,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 17:13:19,915 INFO L93 Difference]: Finished difference Result 832 states and 1194 transitions. [2018-12-03 17:13:19,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 17:13:19,916 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2018-12-03 17:13:19,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 17:13:19,919 INFO L225 Difference]: With dead ends: 832 [2018-12-03 17:13:19,919 INFO L226 Difference]: Without dead ends: 470 [2018-12-03 17:13:19,921 INFO L631 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 [2018-12-03 17:13:19,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2018-12-03 17:13:19,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 444. [2018-12-03 17:13:19,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2018-12-03 17:13:19,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 644 transitions. [2018-12-03 17:13:19,942 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 644 transitions. Word has length 67 [2018-12-03 17:13:19,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 17:13:19,943 INFO L480 AbstractCegarLoop]: Abstraction has 444 states and 644 transitions. [2018-12-03 17:13:19,943 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 17:13:19,943 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 644 transitions. [2018-12-03 17:13:19,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-03 17:13:19,946 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 17:13:19,946 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-03 17:13:19,946 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-12-03 17:13:19,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 17:13:19,947 INFO L82 PathProgramCache]: Analyzing trace with hash -1973488661, now seen corresponding path program 1 times [2018-12-03 17:13:19,947 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 17:13:19,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:19,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 17:13:19,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:19,949 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 17:13:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 17:13:20,031 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-03 17:13:20,031 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 17:13:20,032 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 17:13:20,032 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 17:13:20,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 17:13:20,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 17:13:20,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 17:13:20,033 INFO L87 Difference]: Start difference. First operand 444 states and 644 transitions. Second operand 3 states. [2018-12-03 17:13:20,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 17:13:20,714 INFO L93 Difference]: Finished difference Result 930 states and 1355 transitions. [2018-12-03 17:13:20,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 17:13:20,715 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2018-12-03 17:13:20,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 17:13:20,722 INFO L225 Difference]: With dead ends: 930 [2018-12-03 17:13:20,722 INFO L226 Difference]: Without dead ends: 492 [2018-12-03 17:13:20,723 INFO L631 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 [2018-12-03 17:13:20,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2018-12-03 17:13:20,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 486. [2018-12-03 17:13:20,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2018-12-03 17:13:20,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 696 transitions. [2018-12-03 17:13:20,750 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 696 transitions. Word has length 70 [2018-12-03 17:13:20,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 17:13:20,751 INFO L480 AbstractCegarLoop]: Abstraction has 486 states and 696 transitions. [2018-12-03 17:13:20,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 17:13:20,751 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 696 transitions. [2018-12-03 17:13:20,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-03 17:13:20,753 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 17:13:20,755 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-03 17:13:20,756 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-12-03 17:13:20,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 17:13:20,756 INFO L82 PathProgramCache]: Analyzing trace with hash -158451037, now seen corresponding path program 1 times [2018-12-03 17:13:20,757 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 17:13:20,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:20,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 17:13:20,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:20,758 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 17:13:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 17:13:20,892 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-03 17:13:20,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 17:13:20,893 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 17:13:20,893 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 17:13:20,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 17:13:20,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 17:13:20,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 17:13:20,895 INFO L87 Difference]: Start difference. First operand 486 states and 696 transitions. Second operand 3 states. [2018-12-03 17:13:21,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 17:13:21,220 INFO L93 Difference]: Finished difference Result 966 states and 1387 transitions. [2018-12-03 17:13:21,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 17:13:21,220 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2018-12-03 17:13:21,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 17:13:21,224 INFO L225 Difference]: With dead ends: 966 [2018-12-03 17:13:21,225 INFO L226 Difference]: Without dead ends: 725 [2018-12-03 17:13:21,226 INFO L631 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 [2018-12-03 17:13:21,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2018-12-03 17:13:21,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 725. [2018-12-03 17:13:21,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 725 states. [2018-12-03 17:13:21,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 1038 transitions. [2018-12-03 17:13:21,253 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 1038 transitions. Word has length 90 [2018-12-03 17:13:21,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 17:13:21,253 INFO L480 AbstractCegarLoop]: Abstraction has 725 states and 1038 transitions. [2018-12-03 17:13:21,254 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 17:13:21,254 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 1038 transitions. [2018-12-03 17:13:21,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-03 17:13:21,256 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 17:13:21,257 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-03 17:13:21,257 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-12-03 17:13:21,257 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 17:13:21,257 INFO L82 PathProgramCache]: Analyzing trace with hash 2082554637, now seen corresponding path program 1 times [2018-12-03 17:13:21,257 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 17:13:21,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:21,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 17:13:21,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:21,259 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 17:13:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 17:13:21,347 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-12-03 17:13:21,347 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 17:13:21,347 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 17:13:21,347 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 17:13:21,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 17:13:21,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 17:13:21,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 17:13:21,349 INFO L87 Difference]: Start difference. First operand 725 states and 1038 transitions. Second operand 3 states. [2018-12-03 17:13:21,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 17:13:21,699 INFO L93 Difference]: Finished difference Result 966 states and 1384 transitions. [2018-12-03 17:13:21,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 17:13:21,699 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2018-12-03 17:13:21,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 17:13:21,705 INFO L225 Difference]: With dead ends: 966 [2018-12-03 17:13:21,705 INFO L226 Difference]: Without dead ends: 964 [2018-12-03 17:13:21,706 INFO L631 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 [2018-12-03 17:13:21,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2018-12-03 17:13:21,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 964. [2018-12-03 17:13:21,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 964 states. [2018-12-03 17:13:21,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1382 transitions. [2018-12-03 17:13:21,741 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1382 transitions. Word has length 92 [2018-12-03 17:13:21,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 17:13:21,742 INFO L480 AbstractCegarLoop]: Abstraction has 964 states and 1382 transitions. [2018-12-03 17:13:21,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 17:13:21,742 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1382 transitions. [2018-12-03 17:13:21,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-03 17:13:21,745 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 17:13:21,745 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-03 17:13:21,745 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-12-03 17:13:21,745 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 17:13:21,746 INFO L82 PathProgramCache]: Analyzing trace with hash 132799196, now seen corresponding path program 1 times [2018-12-03 17:13:21,746 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 17:13:21,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:21,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 17:13:21,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:21,747 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 17:13:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 17:13:21,880 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-12-03 17:13:21,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 17:13:21,881 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 17:13:21,881 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 17:13:21,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 17:13:21,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 17:13:21,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 17:13:21,883 INFO L87 Difference]: Start difference. First operand 964 states and 1382 transitions. Second operand 3 states. [2018-12-03 17:13:22,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 17:13:22,362 INFO L93 Difference]: Finished difference Result 2028 states and 2924 transitions. [2018-12-03 17:13:22,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 17:13:22,363 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2018-12-03 17:13:22,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 17:13:22,371 INFO L225 Difference]: With dead ends: 2028 [2018-12-03 17:13:22,371 INFO L226 Difference]: Without dead ends: 1070 [2018-12-03 17:13:22,373 INFO L631 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 [2018-12-03 17:13:22,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2018-12-03 17:13:22,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 1056. [2018-12-03 17:13:22,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1056 states. [2018-12-03 17:13:22,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1494 transitions. [2018-12-03 17:13:22,407 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1494 transitions. Word has length 117 [2018-12-03 17:13:22,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 17:13:22,407 INFO L480 AbstractCegarLoop]: Abstraction has 1056 states and 1494 transitions. [2018-12-03 17:13:22,407 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 17:13:22,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1494 transitions. [2018-12-03 17:13:22,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-03 17:13:22,412 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 17:13:22,412 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-03 17:13:22,413 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-12-03 17:13:22,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 17:13:22,413 INFO L82 PathProgramCache]: Analyzing trace with hash 572416543, now seen corresponding path program 1 times [2018-12-03 17:13:22,413 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 17:13:22,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:22,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 17:13:22,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:22,416 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 17:13:22,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 17:13:22,573 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2018-12-03 17:13:22,574 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 17:13:22,574 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 17:13:22,574 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 17:13:22,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 17:13:22,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 17:13:22,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 17:13:22,575 INFO L87 Difference]: Start difference. First operand 1056 states and 1494 transitions. Second operand 3 states. [2018-12-03 17:13:23,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 17:13:23,131 INFO L93 Difference]: Finished difference Result 2310 states and 3318 transitions. [2018-12-03 17:13:23,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 17:13:23,133 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2018-12-03 17:13:23,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 17:13:23,140 INFO L225 Difference]: With dead ends: 2310 [2018-12-03 17:13:23,140 INFO L226 Difference]: Without dead ends: 1252 [2018-12-03 17:13:23,142 INFO L631 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 [2018-12-03 17:13:23,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2018-12-03 17:13:23,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1212. [2018-12-03 17:13:23,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1212 states. [2018-12-03 17:13:23,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 1212 states and 1718 transitions. [2018-12-03 17:13:23,176 INFO L78 Accepts]: Start accepts. Automaton has 1212 states and 1718 transitions. Word has length 138 [2018-12-03 17:13:23,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 17:13:23,177 INFO L480 AbstractCegarLoop]: Abstraction has 1212 states and 1718 transitions. [2018-12-03 17:13:23,177 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 17:13:23,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1718 transitions. [2018-12-03 17:13:23,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-03 17:13:23,182 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 17:13:23,182 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-03 17:13:23,182 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-12-03 17:13:23,183 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 17:13:23,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1049212336, now seen corresponding path program 1 times [2018-12-03 17:13:23,183 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 17:13:23,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:23,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 17:13:23,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:23,185 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 17:13:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 17:13:23,350 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2018-12-03 17:13:23,351 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 17:13:23,351 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 17:13:23,351 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 17:13:23,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 17:13:23,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 17:13:23,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 17:13:23,352 INFO L87 Difference]: Start difference. First operand 1212 states and 1718 transitions. Second operand 3 states. [2018-12-03 17:13:23,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 17:13:23,784 INFO L93 Difference]: Finished difference Result 2538 states and 3570 transitions. [2018-12-03 17:13:23,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 17:13:23,784 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2018-12-03 17:13:23,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 17:13:23,791 INFO L225 Difference]: With dead ends: 2538 [2018-12-03 17:13:23,791 INFO L226 Difference]: Without dead ends: 1332 [2018-12-03 17:13:23,793 INFO L631 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 [2018-12-03 17:13:23,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1332 states. [2018-12-03 17:13:23,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1332 to 1324. [2018-12-03 17:13:23,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1324 states. [2018-12-03 17:13:23,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 1324 states and 1850 transitions. [2018-12-03 17:13:23,822 INFO L78 Accepts]: Start accepts. Automaton has 1324 states and 1850 transitions. Word has length 174 [2018-12-03 17:13:23,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 17:13:23,822 INFO L480 AbstractCegarLoop]: Abstraction has 1324 states and 1850 transitions. [2018-12-03 17:13:23,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 17:13:23,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 1850 transitions. [2018-12-03 17:13:23,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-03 17:13:23,826 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 17:13:23,827 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-03 17:13:23,827 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-12-03 17:13:23,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 17:13:23,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1609912114, now seen corresponding path program 1 times [2018-12-03 17:13:23,827 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 17:13:23,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:23,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 17:13:23,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:23,829 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 17:13:23,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 17:13:23,917 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2018-12-03 17:13:23,917 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 17:13:23,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 17:13:23,918 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 17:13:23,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 17:13:23,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 17:13:23,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 17:13:23,919 INFO L87 Difference]: Start difference. First operand 1324 states and 1850 transitions. Second operand 3 states. [2018-12-03 17:13:24,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 17:13:24,250 INFO L93 Difference]: Finished difference Result 2778 states and 3870 transitions. [2018-12-03 17:13:24,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 17:13:24,254 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2018-12-03 17:13:24,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 17:13:24,260 INFO L225 Difference]: With dead ends: 2778 [2018-12-03 17:13:24,261 INFO L226 Difference]: Without dead ends: 1460 [2018-12-03 17:13:24,263 INFO L631 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 [2018-12-03 17:13:24,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1460 states. [2018-12-03 17:13:24,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1460 to 1448. [2018-12-03 17:13:24,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1448 states. [2018-12-03 17:13:24,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 1448 states and 1994 transitions. [2018-12-03 17:13:24,292 INFO L78 Accepts]: Start accepts. Automaton has 1448 states and 1994 transitions. Word has length 174 [2018-12-03 17:13:24,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 17:13:24,292 INFO L480 AbstractCegarLoop]: Abstraction has 1448 states and 1994 transitions. [2018-12-03 17:13:24,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 17:13:24,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1448 states and 1994 transitions. [2018-12-03 17:13:24,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-03 17:13:24,297 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 17:13:24,298 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-03 17:13:24,298 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-12-03 17:13:24,298 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 17:13:24,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1003197838, now seen corresponding path program 1 times [2018-12-03 17:13:24,298 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 17:13:24,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:24,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 17:13:24,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:24,300 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 17:13:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 17:13:24,417 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2018-12-03 17:13:24,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 17:13:24,418 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 17:13:24,418 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 17:13:24,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 17:13:24,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 17:13:24,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 17:13:24,419 INFO L87 Difference]: Start difference. First operand 1448 states and 1994 transitions. Second operand 3 states. [2018-12-03 17:13:24,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 17:13:24,771 INFO L93 Difference]: Finished difference Result 3042 states and 4186 transitions. [2018-12-03 17:13:24,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 17:13:24,772 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204 [2018-12-03 17:13:24,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 17:13:24,779 INFO L225 Difference]: With dead ends: 3042 [2018-12-03 17:13:24,780 INFO L226 Difference]: Without dead ends: 1600 [2018-12-03 17:13:24,782 INFO L631 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 [2018-12-03 17:13:24,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1600 states. [2018-12-03 17:13:24,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1600 to 1592. [2018-12-03 17:13:24,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1592 states. [2018-12-03 17:13:24,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 2158 transitions. [2018-12-03 17:13:24,814 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 2158 transitions. Word has length 204 [2018-12-03 17:13:24,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 17:13:24,814 INFO L480 AbstractCegarLoop]: Abstraction has 1592 states and 2158 transitions. [2018-12-03 17:13:24,814 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 17:13:24,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 2158 transitions. [2018-12-03 17:13:24,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-03 17:13:24,819 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 17:13:24,819 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-03 17:13:24,820 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-12-03 17:13:24,820 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 17:13:24,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1563897616, now seen corresponding path program 1 times [2018-12-03 17:13:24,820 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 17:13:24,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:24,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 17:13:24,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:24,821 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 17:13:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 17:13:24,941 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 308 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2018-12-03 17:13:24,941 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 17:13:24,941 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 17:13:24,941 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 17:13:24,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 17:13:24,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 17:13:24,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 17:13:24,943 INFO L87 Difference]: Start difference. First operand 1592 states and 2158 transitions. Second operand 3 states. [2018-12-03 17:13:25,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 17:13:25,066 INFO L93 Difference]: Finished difference Result 4644 states and 6314 transitions. [2018-12-03 17:13:25,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 17:13:25,066 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204 [2018-12-03 17:13:25,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 17:13:25,079 INFO L225 Difference]: With dead ends: 4644 [2018-12-03 17:13:25,080 INFO L226 Difference]: Without dead ends: 3058 [2018-12-03 17:13:25,083 INFO L631 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 [2018-12-03 17:13:25,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3058 states. [2018-12-03 17:13:25,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3058 to 3056. [2018-12-03 17:13:25,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3056 states. [2018-12-03 17:13:25,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3056 states to 3056 states and 4157 transitions. [2018-12-03 17:13:25,144 INFO L78 Accepts]: Start accepts. Automaton has 3056 states and 4157 transitions. Word has length 204 [2018-12-03 17:13:25,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 17:13:25,144 INFO L480 AbstractCegarLoop]: Abstraction has 3056 states and 4157 transitions. [2018-12-03 17:13:25,144 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 17:13:25,145 INFO L276 IsEmpty]: Start isEmpty. Operand 3056 states and 4157 transitions. [2018-12-03 17:13:25,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-12-03 17:13:25,152 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 17:13:25,152 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-03 17:13:25,153 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-12-03 17:13:25,153 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 17:13:25,153 INFO L82 PathProgramCache]: Analyzing trace with hash -645309798, now seen corresponding path program 1 times [2018-12-03 17:13:25,153 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 17:13:25,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:25,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 17:13:25,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:25,154 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 17:13:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 17:13:25,278 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2018-12-03 17:13:25,278 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 17:13:25,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 17:13:25,278 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 17:13:25,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 17:13:25,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 17:13:25,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 17:13:25,280 INFO L87 Difference]: Start difference. First operand 3056 states and 4157 transitions. Second operand 3 states. [2018-12-03 17:13:26,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 17:13:26,699 INFO L93 Difference]: Finished difference Result 6254 states and 8500 transitions. [2018-12-03 17:13:26,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 17:13:26,700 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 228 [2018-12-03 17:13:26,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 17:13:26,714 INFO L225 Difference]: With dead ends: 6254 [2018-12-03 17:13:26,714 INFO L226 Difference]: Without dead ends: 3204 [2018-12-03 17:13:26,719 INFO L631 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 [2018-12-03 17:13:26,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3204 states. [2018-12-03 17:13:26,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3204 to 3188. [2018-12-03 17:13:26,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3188 states. [2018-12-03 17:13:26,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3188 states to 3188 states and 4309 transitions. [2018-12-03 17:13:26,781 INFO L78 Accepts]: Start accepts. Automaton has 3188 states and 4309 transitions. Word has length 228 [2018-12-03 17:13:26,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 17:13:26,782 INFO L480 AbstractCegarLoop]: Abstraction has 3188 states and 4309 transitions. [2018-12-03 17:13:26,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 17:13:26,782 INFO L276 IsEmpty]: Start isEmpty. Operand 3188 states and 4309 transitions. [2018-12-03 17:13:26,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-03 17:13:26,790 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 17:13:26,790 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-03 17:13:26,790 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-12-03 17:13:26,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 17:13:26,791 INFO L82 PathProgramCache]: Analyzing trace with hash 354451398, now seen corresponding path program 1 times [2018-12-03 17:13:26,791 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 17:13:26,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:26,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 17:13:26,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:26,792 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 17:13:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 17:13:26,946 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2018-12-03 17:13:26,947 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 17:13:26,947 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 17:13:26,947 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 17:13:26,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 17:13:26,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 17:13:26,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 17:13:26,949 INFO L87 Difference]: Start difference. First operand 3188 states and 4309 transitions. Second operand 3 states. [2018-12-03 17:13:27,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 17:13:27,638 INFO L93 Difference]: Finished difference Result 6770 states and 9280 transitions. [2018-12-03 17:13:27,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 17:13:27,639 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 239 [2018-12-03 17:13:27,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 17:13:27,654 INFO L225 Difference]: With dead ends: 6770 [2018-12-03 17:13:27,654 INFO L226 Difference]: Without dead ends: 3588 [2018-12-03 17:13:27,659 INFO L631 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 [2018-12-03 17:13:27,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3588 states. [2018-12-03 17:13:27,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3588 to 3500. [2018-12-03 17:13:27,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3500 states. [2018-12-03 17:13:27,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3500 states to 3500 states and 4677 transitions. [2018-12-03 17:13:27,758 INFO L78 Accepts]: Start accepts. Automaton has 3500 states and 4677 transitions. Word has length 239 [2018-12-03 17:13:27,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 17:13:27,759 INFO L480 AbstractCegarLoop]: Abstraction has 3500 states and 4677 transitions. [2018-12-03 17:13:27,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 17:13:27,759 INFO L276 IsEmpty]: Start isEmpty. Operand 3500 states and 4677 transitions. [2018-12-03 17:13:27,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-12-03 17:13:27,768 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 17:13:27,768 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-03 17:13:27,768 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-12-03 17:13:27,768 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 17:13:27,769 INFO L82 PathProgramCache]: Analyzing trace with hash -230629078, now seen corresponding path program 1 times [2018-12-03 17:13:27,769 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 17:13:27,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:27,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 17:13:27,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:27,770 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 17:13:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 17:13:27,887 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2018-12-03 17:13:27,887 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 17:13:27,887 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 17:13:27,887 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 17:13:27,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 17:13:27,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 17:13:27,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 17:13:27,888 INFO L87 Difference]: Start difference. First operand 3500 states and 4677 transitions. Second operand 3 states. [2018-12-03 17:13:28,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 17:13:28,466 INFO L93 Difference]: Finished difference Result 7402 states and 9824 transitions. [2018-12-03 17:13:28,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 17:13:28,467 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 253 [2018-12-03 17:13:28,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 17:13:28,483 INFO L225 Difference]: With dead ends: 7402 [2018-12-03 17:13:28,484 INFO L226 Difference]: Without dead ends: 3908 [2018-12-03 17:13:28,488 INFO L631 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 [2018-12-03 17:13:28,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3908 states. [2018-12-03 17:13:28,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3908 to 3620. [2018-12-03 17:13:28,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3620 states. [2018-12-03 17:13:28,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3620 states to 3620 states and 4821 transitions. [2018-12-03 17:13:28,561 INFO L78 Accepts]: Start accepts. Automaton has 3620 states and 4821 transitions. Word has length 253 [2018-12-03 17:13:28,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 17:13:28,562 INFO L480 AbstractCegarLoop]: Abstraction has 3620 states and 4821 transitions. [2018-12-03 17:13:28,562 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 17:13:28,562 INFO L276 IsEmpty]: Start isEmpty. Operand 3620 states and 4821 transitions. [2018-12-03 17:13:28,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-12-03 17:13:28,569 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 17:13:28,569 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-03 17:13:28,570 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-12-03 17:13:28,570 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 17:13:28,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1047762319, now seen corresponding path program 1 times [2018-12-03 17:13:28,570 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 17:13:28,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:28,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 17:13:28,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:28,571 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 17:13:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 17:13:28,732 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2018-12-03 17:13:28,733 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 17:13:28,733 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 17:13:28,733 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 17:13:28,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 17:13:28,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 17:13:28,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 17:13:28,734 INFO L87 Difference]: Start difference. First operand 3620 states and 4821 transitions. Second operand 3 states. [2018-12-03 17:13:28,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 17:13:28,931 INFO L93 Difference]: Finished difference Result 10344 states and 13851 transitions. [2018-12-03 17:13:28,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 17:13:28,932 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 254 [2018-12-03 17:13:28,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 17:13:28,973 INFO L225 Difference]: With dead ends: 10344 [2018-12-03 17:13:28,973 INFO L226 Difference]: Without dead ends: 6730 [2018-12-03 17:13:28,978 INFO L631 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 [2018-12-03 17:13:28,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6730 states. [2018-12-03 17:13:29,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6730 to 6728. [2018-12-03 17:13:29,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6728 states. [2018-12-03 17:13:29,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6728 states to 6728 states and 9015 transitions. [2018-12-03 17:13:29,102 INFO L78 Accepts]: Start accepts. Automaton has 6728 states and 9015 transitions. Word has length 254 [2018-12-03 17:13:29,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 17:13:29,102 INFO L480 AbstractCegarLoop]: Abstraction has 6728 states and 9015 transitions. [2018-12-03 17:13:29,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 17:13:29,103 INFO L276 IsEmpty]: Start isEmpty. Operand 6728 states and 9015 transitions. [2018-12-03 17:13:29,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-12-03 17:13:29,113 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 17:13:29,113 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-03 17:13:29,113 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-12-03 17:13:29,113 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 17:13:29,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1879637243, now seen corresponding path program 1 times [2018-12-03 17:13:29,114 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 17:13:29,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:29,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 17:13:29,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:29,115 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 17:13:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 17:13:29,232 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 347 proven. 0 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2018-12-03 17:13:29,233 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 17:13:29,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 17:13:29,233 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 17:13:29,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 17:13:29,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 17:13:29,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 17:13:29,234 INFO L87 Difference]: Start difference. First operand 6728 states and 9015 transitions. Second operand 3 states. [2018-12-03 17:13:29,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 17:13:29,769 INFO L93 Difference]: Finished difference Result 13458 states and 18012 transitions. [2018-12-03 17:13:29,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 17:13:29,771 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 255 [2018-12-03 17:13:29,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 17:13:29,784 INFO L225 Difference]: With dead ends: 13458 [2018-12-03 17:13:29,784 INFO L226 Difference]: Without dead ends: 6736 [2018-12-03 17:13:29,791 INFO L631 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 [2018-12-03 17:13:29,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6736 states. [2018-12-03 17:13:29,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6736 to 6704. [2018-12-03 17:13:29,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6704 states. [2018-12-03 17:13:29,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6704 states to 6704 states and 8799 transitions. [2018-12-03 17:13:29,894 INFO L78 Accepts]: Start accepts. Automaton has 6704 states and 8799 transitions. Word has length 255 [2018-12-03 17:13:29,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 17:13:29,894 INFO L480 AbstractCegarLoop]: Abstraction has 6704 states and 8799 transitions. [2018-12-03 17:13:29,894 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 17:13:29,894 INFO L276 IsEmpty]: Start isEmpty. Operand 6704 states and 8799 transitions. [2018-12-03 17:13:29,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-03 17:13:29,905 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 17:13:29,905 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-03 17:13:29,906 INFO L423 AbstractCegarLoop]: === Iteration 20 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-12-03 17:13:29,906 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 17:13:29,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1049834548, now seen corresponding path program 1 times [2018-12-03 17:13:29,906 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 17:13:29,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:29,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 17:13:29,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:29,908 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 17:13:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 17:13:30,113 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 318 proven. 18 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2018-12-03 17:13:30,114 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 17:13:30,114 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 17:13:30,115 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 279 with the following transitions: [2018-12-03 17:13:30,118 INFO L205 CegarAbsIntRunner]: [0], [3], [12], [23], [31], [33], [38], [43], [48], [53], [58], [61], [63], [68], [71], [73], [78], [81], [83], [88], [91], [93], [98], [101], [103], [108], [111], [113], [118], [123], [128], [133], [138], [141], [143], [148], [153], [158], [161], [163], [168], [171], [173], [178], [183], [188], [191], [243], [246], [254], [257], [262], [265], [273], [278], [280], [286], [289], [297], [299], [301], [304], [312], [317], [319], [322], [324], [329], [331], [334], [342], [347], [349], [358], [363], [368], [370], [379], [384], [387], [395], [400], [402], [407], [418], [420], [436], [446], [448], [515], [517], [531] [2018-12-03 17:13:30,193 INFO L148 AbstractInterpreter]: Using domain ArrayDomain [2018-12-03 17:13:30,193 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 17:13:38,086 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 17:13:38,088 INFO L272 AbstractInterpreter]: Visited 92 different actions 737 times. Merged at 81 different actions 565 times. Widened at 19 different actions 55 times. Found 65 fixpoints after 15 different actions. Largest state had 0 variables. [2018-12-03 17:13:38,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 17:13:38,102 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 17:13:38,102 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 17:13:38,102 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG 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 [2018-12-03 17:13:38,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 17:13:38,113 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 17:13:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 17:13:38,215 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 17:13:38,360 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 318 proven. 18 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2018-12-03 17:13:38,360 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 17:13:38,681 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 318 proven. 18 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2018-12-03 17:13:38,711 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 17:13:38,711 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2018-12-03 17:13:38,711 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 17:13:38,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 17:13:38,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 17:13:38,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-03 17:13:38,713 INFO L87 Difference]: Start difference. First operand 6704 states and 8799 transitions. Second operand 4 states. [2018-12-03 17:13:42,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 17:13:42,400 INFO L93 Difference]: Finished difference Result 13332 states and 17493 transitions. [2018-12-03 17:13:42,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-03 17:13:42,404 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 278 [2018-12-03 17:13:42,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 17:13:42,421 INFO L225 Difference]: With dead ends: 13332 [2018-12-03 17:13:42,421 INFO L226 Difference]: Without dead ends: 10062 [2018-12-03 17:13:42,426 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 560 GetRequests, 555 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-03 17:13:42,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10062 states. [2018-12-03 17:13:42,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10062 to 8608. [2018-12-03 17:13:42,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8608 states. [2018-12-03 17:13:42,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8608 states to 8608 states and 11297 transitions. [2018-12-03 17:13:42,616 INFO L78 Accepts]: Start accepts. Automaton has 8608 states and 11297 transitions. Word has length 278 [2018-12-03 17:13:42,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 17:13:42,617 INFO L480 AbstractCegarLoop]: Abstraction has 8608 states and 11297 transitions. [2018-12-03 17:13:42,617 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 17:13:42,617 INFO L276 IsEmpty]: Start isEmpty. Operand 8608 states and 11297 transitions. [2018-12-03 17:13:42,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-12-03 17:13:42,632 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 17:13:42,633 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-03 17:13:42,633 INFO L423 AbstractCegarLoop]: === Iteration 21 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-12-03 17:13:42,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 17:13:42,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1343844146, now seen corresponding path program 1 times [2018-12-03 17:13:42,634 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 17:13:42,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:42,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 17:13:42,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:42,635 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 17:13:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 17:13:42,850 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 384 proven. 5 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2018-12-03 17:13:42,851 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 17:13:42,851 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 17:13:42,851 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 292 with the following transitions: [2018-12-03 17:13:42,852 INFO L205 CegarAbsIntRunner]: [0], [3], [12], [23], [31], [33], [36], [38], [43], [48], [53], [58], [61], [63], [68], [71], [73], [78], [81], [83], [88], [91], [93], [98], [101], [103], [108], [111], [113], [118], [123], [128], [133], [138], [141], [143], [148], [153], [158], [161], [163], [168], [171], [173], [178], [183], [188], [191], [201], [203], [208], [210], [215], [230], [236], [241], [243], [246], [254], [257], [262], [265], [273], [278], [280], [286], [289], [297], [299], [301], [304], [312], [317], [319], [322], [324], [329], [331], [334], [342], [347], [349], [358], [363], [368], [370], [379], [384], [387], [395], [400], [402], [407], [418], [420], [436], [446], [448], [515], [517], [531] [2018-12-03 17:13:42,857 INFO L148 AbstractInterpreter]: Using domain ArrayDomain [2018-12-03 17:13:42,857 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 17:13:48,125 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 17:13:48,126 INFO L272 AbstractInterpreter]: Visited 96 different actions 774 times. Merged at 84 different actions 590 times. Widened at 20 different actions 62 times. Found 65 fixpoints after 16 different actions. Largest state had 0 variables. [2018-12-03 17:13:48,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 17:13:48,142 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 17:13:48,142 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 17:13:48,142 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG 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) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 17:13:48,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 17:13:48,150 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 17:13:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 17:13:48,228 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 17:13:48,313 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 750 trivial. 0 not checked. [2018-12-03 17:13:48,313 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 17:13:48,352 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 750 trivial. 0 not checked. [2018-12-03 17:13:48,371 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-03 17:13:48,371 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 5 [2018-12-03 17:13:48,371 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 17:13:48,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 17:13:48,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 17:13:48,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-03 17:13:48,372 INFO L87 Difference]: Start difference. First operand 8608 states and 11297 transitions. Second operand 3 states. [2018-12-03 17:13:48,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 17:13:48,673 INFO L93 Difference]: Finished difference Result 17642 states and 23184 transitions. [2018-12-03 17:13:48,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 17:13:48,674 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 291 [2018-12-03 17:13:48,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 17:13:48,690 INFO L225 Difference]: With dead ends: 17642 [2018-12-03 17:13:48,691 INFO L226 Difference]: Without dead ends: 9040 [2018-12-03 17:13:48,699 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 584 GetRequests, 581 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-03 17:13:48,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9040 states. [2018-12-03 17:13:48,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9040 to 8968. [2018-12-03 17:13:48,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8968 states. [2018-12-03 17:13:48,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8968 states to 8968 states and 11777 transitions. [2018-12-03 17:13:48,867 INFO L78 Accepts]: Start accepts. Automaton has 8968 states and 11777 transitions. Word has length 291 [2018-12-03 17:13:48,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 17:13:48,867 INFO L480 AbstractCegarLoop]: Abstraction has 8968 states and 11777 transitions. [2018-12-03 17:13:48,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 17:13:48,868 INFO L276 IsEmpty]: Start isEmpty. Operand 8968 states and 11777 transitions. [2018-12-03 17:13:48,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-12-03 17:13:48,883 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 17:13:48,884 INFO L402 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2018-12-03 17:13:48,884 INFO L423 AbstractCegarLoop]: === Iteration 22 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-12-03 17:13:48,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 17:13:48,885 INFO L82 PathProgramCache]: Analyzing trace with hash 624757745, now seen corresponding path program 1 times [2018-12-03 17:13:48,885 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 17:13:48,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:48,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 17:13:48,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:48,886 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 17:13:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 17:13:49,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1562 backedges. 911 proven. 5 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2018-12-03 17:13:49,088 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 17:13:49,088 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 17:13:49,089 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 359 with the following transitions: [2018-12-03 17:13:49,089 INFO L205 CegarAbsIntRunner]: [0], [3], [12], [23], [31], [33], [36], [38], [43], [48], [53], [58], [61], [63], [68], [71], [73], [78], [81], [83], [88], [91], [93], [98], [101], [103], [108], [111], [113], [118], [123], [128], [133], [138], [141], [143], [148], [153], [158], [161], [163], [168], [171], [173], [178], [183], [188], [191], [201], [203], [208], [210], [215], [230], [236], [241], [243], [246], [248], [254], [257], [262], [265], [267], [273], [278], [280], [284], [286], [289], [297], [299], [301], [304], [306], [312], [317], [319], [322], [324], [329], [331], [334], [342], [347], [349], [358], [363], [368], [370], [379], [384], [387], [395], [400], [402], [407], [418], [420], [436], [446], [448], [515], [517], [531] [2018-12-03 17:13:49,093 INFO L148 AbstractInterpreter]: Using domain ArrayDomain [2018-12-03 17:13:49,093 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 17:13:55,760 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 17:13:55,760 INFO L272 AbstractInterpreter]: Visited 100 different actions 1065 times. Merged at 90 different actions 816 times. Widened at 21 different actions 94 times. Found 120 fixpoints after 21 different actions. Largest state had 0 variables. [2018-12-03 17:13:55,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 17:13:55,770 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 17:13:55,770 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 17:13:55,770 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG 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 [2018-12-03 17:13:55,779 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 17:13:55,779 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 17:13:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 17:13:55,866 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 17:13:56,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1562 backedges. 748 proven. 0 refuted. 0 times theorem prover too weak. 814 trivial. 0 not checked. [2018-12-03 17:13:56,067 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 17:13:56,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1562 backedges. 748 proven. 0 refuted. 0 times theorem prover too weak. 814 trivial. 0 not checked. [2018-12-03 17:13:56,185 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-03 17:13:56,186 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 5 [2018-12-03 17:13:56,186 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 17:13:56,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 17:13:56,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 17:13:56,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 17:13:56,187 INFO L87 Difference]: Start difference. First operand 8968 states and 11777 transitions. Second operand 3 states. [2018-12-03 17:13:56,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 17:13:56,341 INFO L93 Difference]: Finished difference Result 22386 states and 29378 transitions. [2018-12-03 17:13:56,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 17:13:56,341 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 358 [2018-12-03 17:13:56,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 17:13:56,363 INFO L225 Difference]: With dead ends: 22386 [2018-12-03 17:13:56,363 INFO L226 Difference]: Without dead ends: 13424 [2018-12-03 17:13:56,373 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 718 GetRequests, 715 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 17:13:56,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13424 states. [2018-12-03 17:13:56,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13424 to 13424. [2018-12-03 17:13:56,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13424 states. [2018-12-03 17:13:56,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13424 states to 13424 states and 17587 transitions. [2018-12-03 17:13:56,603 INFO L78 Accepts]: Start accepts. Automaton has 13424 states and 17587 transitions. Word has length 358 [2018-12-03 17:13:56,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 17:13:56,603 INFO L480 AbstractCegarLoop]: Abstraction has 13424 states and 17587 transitions. [2018-12-03 17:13:56,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 17:13:56,604 INFO L276 IsEmpty]: Start isEmpty. Operand 13424 states and 17587 transitions. [2018-12-03 17:13:56,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-12-03 17:13:56,624 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 17:13:56,624 INFO L402 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 17:13:56,625 INFO L423 AbstractCegarLoop]: === Iteration 23 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-12-03 17:13:56,625 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 17:13:56,625 INFO L82 PathProgramCache]: Analyzing trace with hash 881476377, now seen corresponding path program 1 times [2018-12-03 17:13:56,625 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 17:13:56,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:56,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 17:13:56,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:13:56,626 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 17:13:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 17:13:56,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1564 backedges. 913 proven. 5 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2018-12-03 17:13:56,859 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 17:13:56,859 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 17:13:56,859 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 361 with the following transitions: [2018-12-03 17:13:56,859 INFO L205 CegarAbsIntRunner]: [0], [3], [12], [23], [31], [33], [36], [38], [43], [48], [53], [58], [61], [63], [68], [71], [73], [78], [81], [83], [88], [91], [93], [98], [101], [103], [108], [111], [113], [118], [123], [128], [133], [138], [141], [143], [148], [153], [158], [161], [163], [168], [171], [173], [178], [183], [188], [191], [201], [203], [208], [210], [215], [230], [236], [241], [243], [246], [248], [254], [257], [262], [265], [267], [273], [278], [280], [286], [289], [291], [297], [299], [301], [304], [306], [312], [317], [319], [322], [324], [329], [331], [334], [342], [347], [349], [358], [363], [368], [370], [379], [384], [387], [395], [400], [402], [407], [418], [420], [436], [446], [448], [515], [517], [531] [2018-12-03 17:13:56,865 INFO L148 AbstractInterpreter]: Using domain ArrayDomain [2018-12-03 17:13:56,865 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 17:14:03,950 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 17:14:03,950 INFO L272 AbstractInterpreter]: Visited 100 different actions 1068 times. Merged at 90 different actions 818 times. Widened at 21 different actions 88 times. Found 121 fixpoints after 23 different actions. Largest state had 0 variables. [2018-12-03 17:14:03,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 17:14:03,959 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 17:14:03,959 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 17:14:03,959 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 17:14:03,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 17:14:03,978 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 17:14:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 17:14:04,048 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 17:14:04,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1564 backedges. 913 proven. 5 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2018-12-03 17:14:04,118 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 17:14:04,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1564 backedges. 913 proven. 5 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2018-12-03 17:14:04,333 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 17:14:04,334 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2018-12-03 17:14:04,334 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 17:14:04,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 17:14:04,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 17:14:04,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-03 17:14:04,335 INFO L87 Difference]: Start difference. First operand 13424 states and 17587 transitions. Second operand 4 states. [2018-12-03 17:14:04,628 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-12-03 17:14:04,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 17:14:04,974 INFO L93 Difference]: Finished difference Result 31324 states and 40791 transitions. [2018-12-03 17:14:04,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 17:14:04,976 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 360 [2018-12-03 17:14:04,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 17:14:05,001 INFO L225 Difference]: With dead ends: 31324 [2018-12-03 17:14:05,002 INFO L226 Difference]: Without dead ends: 17894 [2018-12-03 17:14:05,015 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 724 GetRequests, 719 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-03 17:14:05,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17894 states. [2018-12-03 17:14:05,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17894 to 14609. [2018-12-03 17:14:05,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14609 states. [2018-12-03 17:14:05,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14609 states to 14609 states and 18776 transitions. [2018-12-03 17:14:05,270 INFO L78 Accepts]: Start accepts. Automaton has 14609 states and 18776 transitions. Word has length 360 [2018-12-03 17:14:05,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 17:14:05,271 INFO L480 AbstractCegarLoop]: Abstraction has 14609 states and 18776 transitions. [2018-12-03 17:14:05,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 17:14:05,271 INFO L276 IsEmpty]: Start isEmpty. Operand 14609 states and 18776 transitions. [2018-12-03 17:14:05,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-12-03 17:14:05,289 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 17:14:05,290 INFO L402 BasicCegarLoop]: trace histogram [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, 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] [2018-12-03 17:14:05,290 INFO L423 AbstractCegarLoop]: === Iteration 24 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-12-03 17:14:05,290 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 17:14:05,291 INFO L82 PathProgramCache]: Analyzing trace with hash -2735505, now seen corresponding path program 1 times [2018-12-03 17:14:05,291 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 17:14:05,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:14:05,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 17:14:05,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:14:05,292 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 17:14:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 17:14:05,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1881 backedges. 849 proven. 0 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2018-12-03 17:14:05,458 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 17:14:05,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 17:14:05,458 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 17:14:05,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 17:14:05,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 17:14:05,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 17:14:05,459 INFO L87 Difference]: Start difference. First operand 14609 states and 18776 transitions. Second operand 3 states. [2018-12-03 17:14:06,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 17:14:06,460 INFO L93 Difference]: Finished difference Result 27350 states and 34723 transitions. [2018-12-03 17:14:06,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 17:14:06,460 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 399 [2018-12-03 17:14:06,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 17:14:06,468 INFO L225 Difference]: With dead ends: 27350 [2018-12-03 17:14:06,469 INFO L226 Difference]: Without dead ends: 5792 [2018-12-03 17:14:06,479 INFO L631 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 [2018-12-03 17:14:06,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5792 states. [2018-12-03 17:14:06,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5792 to 5293. [2018-12-03 17:14:06,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5293 states. [2018-12-03 17:14:06,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5293 states to 5293 states and 6661 transitions. [2018-12-03 17:14:06,564 INFO L78 Accepts]: Start accepts. Automaton has 5293 states and 6661 transitions. Word has length 399 [2018-12-03 17:14:06,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 17:14:06,564 INFO L480 AbstractCegarLoop]: Abstraction has 5293 states and 6661 transitions. [2018-12-03 17:14:06,564 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 17:14:06,565 INFO L276 IsEmpty]: Start isEmpty. Operand 5293 states and 6661 transitions. [2018-12-03 17:14:06,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2018-12-03 17:14:06,571 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 17:14:06,572 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-03 17:14:06,572 INFO L423 AbstractCegarLoop]: === Iteration 25 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-12-03 17:14:06,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 17:14:06,573 INFO L82 PathProgramCache]: Analyzing trace with hash -1467189711, now seen corresponding path program 1 times [2018-12-03 17:14:06,573 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 17:14:06,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:14:06,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 17:14:06,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 17:14:06,574 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 17:14:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 17:14:06,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1969 backedges. 1233 proven. 14 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2018-12-03 17:14:06,828 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 17:14:06,829 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 17:14:06,829 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 429 with the following transitions: [2018-12-03 17:14:06,829 INFO L205 CegarAbsIntRunner]: [0], [3], [12], [23], [31], [33], [38], [43], [48], [53], [58], [61], [63], [68], [71], [73], [78], [81], [83], [88], [91], [93], [98], [101], [103], [108], [111], [113], [118], [123], [128], [133], [138], [141], [143], [148], [153], [158], [161], [163], [168], [171], [173], [178], [181], [183], [188], [191], [243], [246], [254], [257], [262], [265], [273], [276], [280], [286], [289], [297], [299], [301], [304], [312], [317], [319], [322], [324], [329], [331], [334], [342], [347], [349], [358], [363], [368], [370], [379], [384], [387], [395], [400], [402], [407], [410], [415], [420], [422], [427], [430], [434], [436], [446], [448], [515], [517], [531] [2018-12-03 17:14:06,831 INFO L148 AbstractInterpreter]: Using domain ArrayDomain [2018-12-03 17:14:06,831 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 17:14:13,208 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 17:14:13,208 INFO L272 AbstractInterpreter]: Visited 98 different actions 892 times. Merged at 87 different actions 695 times. Widened at 19 different actions 71 times. Found 82 fixpoints after 17 different actions. Largest state had 0 variables. [2018-12-03 17:14:13,212 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 17:14:13,212 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 17:14:13,212 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 17:14:13,212 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 17:14:13,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 17:14:13,222 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 17:14:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 17:14:13,309 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 17:14:13,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1969 backedges. 1233 proven. 14 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2018-12-03 17:14:13,437 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 17:14:13,762 INFO L134 CoverageAnalysis]: Checked inductivity of 1969 backedges. 1233 proven. 14 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2018-12-03 17:14:13,800 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 17:14:13,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2018-12-03 17:14:13,800 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 17:14:13,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 17:14:13,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 17:14:13,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-03 17:14:13,802 INFO L87 Difference]: Start difference. First operand 5293 states and 6661 transitions. Second operand 4 states. [2018-12-03 17:14:14,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 17:14:14,202 INFO L93 Difference]: Finished difference Result 6903 states and 8671 transitions. [2018-12-03 17:14:14,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 17:14:14,204 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 428 [2018-12-03 17:14:14,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 17:14:14,205 INFO L225 Difference]: With dead ends: 6903 [2018-12-03 17:14:14,205 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 17:14:14,208 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 860 GetRequests, 855 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-03 17:14:14,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 17:14:14,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 17:14:14,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 17:14:14,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 17:14:14,209 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 428 [2018-12-03 17:14:14,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 17:14:14,209 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 17:14:14,210 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 17:14:14,210 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 17:14:14,210 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 17:14:14,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 17:14:14,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,361 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 63 [2018-12-03 17:14:14,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:14,984 WARN L180 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 491 DAG size of output: 71 [2018-12-03 17:14:15,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:15,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 17:14:16,187 WARN L180 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 15 [2018-12-03 17:14:17,064 WARN L180 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 19 [2018-12-03 17:14:17,811 WARN L180 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 24 [2018-12-03 17:14:17,992 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2018-12-03 17:14:18,500 WARN L180 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2018-12-03 17:14:18,977 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 19 [2018-12-03 17:14:19,206 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 434) no Hoare annotation was computed. [2018-12-03 17:14:19,206 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 368) no Hoare annotation was computed. [2018-12-03 17:14:19,206 INFO L448 ceAbstractionStarter]: For program point L300(lines 300 603) no Hoare annotation was computed. [2018-12-03 17:14:19,207 INFO L448 ceAbstractionStarter]: For program point L366-2(lines 366 371) no Hoare annotation was computed. [2018-12-03 17:14:19,207 INFO L444 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)) (.cse2 (= ssl3_connect_~s__hit~7 0))) (or (and (<= ssl3_connect_~blastFlag~7 2) .cse0 .cse1 .cse2) (and .cse0 (<= ssl3_connect_~blastFlag~7 0) .cse1) (and .cse0 (<= ssl3_connect_~blastFlag~7 4) .cse1 (= 256 ssl3_connect_~s__s3__tmp__new_cipher__algorithms~7) .cse2))) [2018-12-03 17:14:19,207 INFO L448 ceAbstractionStarter]: For program point L532(lines 532 544) no Hoare annotation was computed. [2018-12-03 17:14:19,207 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 532 544) no Hoare annotation was computed. [2018-12-03 17:14:19,207 INFO L444 ceAbstractionStarter]: At program point L433(lines 433 636) the Hoare annotation is: false [2018-12-03 17:14:19,208 INFO L448 ceAbstractionStarter]: For program point L334(lines 334 346) no Hoare annotation was computed. [2018-12-03 17:14:19,208 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 603) no Hoare annotation was computed. [2018-12-03 17:14:19,208 INFO L448 ceAbstractionStarter]: For program point L334-2(lines 334 350) no Hoare annotation was computed. [2018-12-03 17:14:19,208 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 238) no Hoare annotation was computed. [2018-12-03 17:14:19,208 INFO L448 ceAbstractionStarter]: For program point L401(lines 401 403) no Hoare annotation was computed. [2018-12-03 17:14:19,208 INFO L448 ceAbstractionStarter]: For program point L401-2(lines 401 406) no Hoare annotation was computed. [2018-12-03 17:14:19,208 INFO L448 ceAbstractionStarter]: For program point L302(lines 302 603) no Hoare annotation was computed. [2018-12-03 17:14:19,208 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 237) no Hoare annotation was computed. [2018-12-03 17:14:19,208 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 570) no Hoare annotation was computed. [2018-12-03 17:14:19,208 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 503) no Hoare annotation was computed. [2018-12-03 17:14:19,209 INFO L448 ceAbstractionStarter]: For program point L435(lines 435 437) no Hoare annotation was computed. [2018-12-03 17:14:19,209 INFO L444 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 (<= ssl3_connect_~blastFlag~7 2) .cse0 .cse1) (and .cse0 .cse1 (= 256 ssl3_connect_~s__s3__tmp__new_cipher__algorithms~7) (= ssl3_connect_~s__hit~7 0)))) [2018-12-03 17:14:19,209 INFO L448 ceAbstractionStarter]: For program point L270(lines 270 603) no Hoare annotation was computed. [2018-12-03 17:14:19,209 INFO L448 ceAbstractionStarter]: For program point L634(lines 634 636) no Hoare annotation was computed. [2018-12-03 17:14:19,209 INFO L444 ceAbstractionStarter]: At program point L601(lines 360 621) the Hoare annotation is: (let ((.cse8 (<= ssl3_connect_~s__state~7 4352)) (.cse9 (<= 4352 ssl3_connect_~s__state~7)) (.cse1 (<= 4560 ssl3_connect_~s__state~7)) (.cse2 (<= ssl3_connect_~s__state~7 4560)) (.cse11 (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~7)) (.cse5 (= ssl3_connect_~s__state~7 4512)) (.cse6 (<= ssl3_connect_~s__state~7 3)) (.cse0 (<= ssl3_connect_~blastFlag~7 2)) (.cse7 (<= ssl3_connect_~s__s3__tmp__next_state___0~7 4560)) (.cse10 (= ssl3_connect_~s__state~7 4528)) (.cse3 (= 256 ssl3_connect_~s__s3__tmp__new_cipher__algorithms~7)) (.cse4 (= ssl3_connect_~s__hit~7 0))) (or (and .cse0 .cse1 .cse2) (and (= ssl3_connect_~s__state~7 4480) .cse3 .cse4) (and .cse5 .cse3 .cse4) (and .cse6 .cse7 .cse3) (<= ssl3_connect_~blastFlag~7 0) (and .cse0 .cse4) (and .cse8 .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~7 3) .cse9) (and .cse0 (= ssl3_connect_~s__state~7 4384)) (and .cse0 .cse10) (and .cse8 .cse7 .cse11 .cse9 .cse3 .cse4) (and (<= ssl3_connect_~blastFlag~7 4) .cse3 .cse4) (and .cse1 .cse2 .cse7 .cse11 .cse3 .cse4) (and .cse0 .cse5) (and .cse6 .cse0 .cse7) (and (= ssl3_connect_~s__state~7 4464) .cse3 .cse4) (and .cse10 .cse3 .cse4) (and (= ssl3_connect_~s__state~7 4496) .cse3 .cse4))) [2018-12-03 17:14:19,209 INFO L448 ceAbstractionStarter]: For program point L535(lines 535 541) no Hoare annotation was computed. [2018-12-03 17:14:19,210 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 340) no Hoare annotation was computed. [2018-12-03 17:14:19,210 INFO L448 ceAbstractionStarter]: For program point L304(lines 304 603) no Hoare annotation was computed. [2018-12-03 17:14:19,210 INFO L444 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)) (.cse2 (= ssl3_connect_~s__hit~7 0))) (or (and (<= ssl3_connect_~blastFlag~7 2) .cse0 .cse1 .cse2) (and .cse0 (<= ssl3_connect_~blastFlag~7 0) .cse1) (and .cse0 (<= ssl3_connect_~blastFlag~7 4) .cse1 (= 256 ssl3_connect_~s__s3__tmp__new_cipher__algorithms~7) .cse2))) [2018-12-03 17:14:19,210 INFO L448 ceAbstractionStarter]: For program point L272(lines 272 603) no Hoare annotation was computed. [2018-12-03 17:14:19,210 INFO L448 ceAbstractionStarter]: For program point L239(lines 235 623) no Hoare annotation was computed. [2018-12-03 17:14:19,210 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 603) no Hoare annotation was computed. [2018-12-03 17:14:19,210 INFO L448 ceAbstractionStarter]: For program point L604(lines 604 621) no Hoare annotation was computed. [2018-12-03 17:14:19,210 INFO L444 ceAbstractionStarter]: At program point L307(lines 305 547) the Hoare annotation is: (let ((.cse4 (<= ssl3_connect_~blastFlag~7 2)) (.cse1 (<= ssl3_connect_~s__state~7 4560)) (.cse0 (<= 4560 ssl3_connect_~s__state~7)) (.cse2 (= 256 ssl3_connect_~s__s3__tmp__new_cipher__algorithms~7)) (.cse3 (= ssl3_connect_~s__hit~7 0))) (or (and .cse0 .cse1 (<= ssl3_connect_~s__s3__tmp__next_state___0~7 4560) .cse2 .cse3) (and .cse0 (<= ssl3_connect_~blastFlag~7 0)) (and .cse4 .cse0 .cse3) (and .cse4 .cse0 .cse1) (and .cse0 (<= ssl3_connect_~blastFlag~7 4) .cse2 .cse3))) [2018-12-03 17:14:19,211 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 603) no Hoare annotation was computed. [2018-12-03 17:14:19,211 INFO L448 ceAbstractionStarter]: For program point L605(lines 605 620) no Hoare annotation was computed. [2018-12-03 17:14:19,211 INFO L448 ceAbstractionStarter]: For program point L374(lines 374 375) no Hoare annotation was computed. [2018-12-03 17:14:19,211 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 344) no Hoare annotation was computed. [2018-12-03 17:14:19,211 INFO L448 ceAbstractionStarter]: For program point L308(lines 308 603) no Hoare annotation was computed. [2018-12-03 17:14:19,211 INFO L444 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)) (.cse2 (= ssl3_connect_~s__hit~7 0))) (or (and (<= ssl3_connect_~blastFlag~7 2) .cse0 .cse1 .cse2) (and .cse0 (<= ssl3_connect_~blastFlag~7 0) .cse1) (and .cse0 (<= ssl3_connect_~blastFlag~7 4) .cse1 (= 256 ssl3_connect_~s__s3__tmp__new_cipher__algorithms~7) .cse2))) [2018-12-03 17:14:19,211 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 612) no Hoare annotation was computed. [2018-12-03 17:14:19,211 INFO L448 ceAbstractionStarter]: For program point L606-2(lines 606 619) no Hoare annotation was computed. [2018-12-03 17:14:19,211 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 511) no Hoare annotation was computed. [2018-12-03 17:14:19,212 INFO L448 ceAbstractionStarter]: For program point L474(lines 474 476) no Hoare annotation was computed. [2018-12-03 17:14:19,212 INFO L448 ceAbstractionStarter]: For program point L507-2(lines 507 515) no Hoare annotation was computed. [2018-12-03 17:14:19,212 INFO L444 ceAbstractionStarter]: At program point L309(lines 309 561) the Hoare annotation is: (let ((.cse1 (<= ssl3_connect_~blastFlag~7 2)) (.cse0 (<= ssl3_connect_~s__state~7 4352)) (.cse2 (<= 4352 ssl3_connect_~s__state~7)) (.cse4 (= 256 ssl3_connect_~s__s3__tmp__new_cipher__algorithms~7)) (.cse3 (= ssl3_connect_~s__hit~7 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (<= ssl3_connect_~s__s3__tmp__next_state___0~7 3) .cse2) (and .cse0 (<= ssl3_connect_~blastFlag~7 0) .cse2) (and .cse0 (<= ssl3_connect_~blastFlag~7 4) .cse2 .cse4 .cse3) (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~7 4560) (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~7) .cse2 .cse4 .cse3))) [2018-12-03 17:14:19,212 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 603) no Hoare annotation was computed. [2018-12-03 17:14:19,212 INFO L448 ceAbstractionStarter]: For program point L310(lines 310 603) no Hoare annotation was computed. [2018-12-03 17:14:19,212 INFO L448 ceAbstractionStarter]: For program point L244(line 244) no Hoare annotation was computed. [2018-12-03 17:14:19,212 INFO L451 ceAbstractionStarter]: At program point L311(lines 311 578) the Hoare annotation is: true [2018-12-03 17:14:19,212 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 603) no Hoare annotation was computed. [2018-12-03 17:14:19,212 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 611) no Hoare annotation was computed. [2018-12-03 17:14:19,213 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 576 578) no Hoare annotation was computed. [2018-12-03 17:14:19,213 INFO L444 ceAbstractionStarter]: At program point L279(lines 277 441) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~7 4560)) (.cse1 (<= 4352 ssl3_connect_~s__state~7)) (.cse2 (= 256 ssl3_connect_~s__s3__tmp__new_cipher__algorithms~7)) (.cse3 (= ssl3_connect_~s__hit~7 0))) (or (and (<= ssl3_connect_~s__s3__tmp__next_state___0~7 4560) .cse0 .cse1 .cse2 .cse3) (and (<= ssl3_connect_~blastFlag~7 2) .cse0 .cse1 .cse3) (and .cse0 (<= ssl3_connect_~blastFlag~7 0) .cse1) (and .cse0 (<= ssl3_connect_~blastFlag~7 4) .cse1 .cse2 .cse3))) [2018-12-03 17:14:19,213 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 603) no Hoare annotation was computed. [2018-12-03 17:14:19,213 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 483) no Hoare annotation was computed. [2018-12-03 17:14:19,213 INFO L448 ceAbstractionStarter]: For program point L445(lines 445 447) no Hoare annotation was computed. [2018-12-03 17:14:19,213 INFO L448 ceAbstractionStarter]: For program point L478-2(lines 478 483) no Hoare annotation was computed. [2018-12-03 17:14:19,213 INFO L448 ceAbstractionStarter]: For program point L445-2(lines 445 450) no Hoare annotation was computed. [2018-12-03 17:14:19,213 INFO L451 ceAbstractionStarter]: At program point L313(lines 313 597) the Hoare annotation is: true [2018-12-03 17:14:19,214 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 603) no Hoare annotation was computed. [2018-12-03 17:14:19,214 INFO L444 ceAbstractionStarter]: At program point L247(lines 247 315) the Hoare annotation is: (let ((.cse0 (<= 4560 ssl3_connect_~s__state~7)) (.cse1 (= ssl3_connect_~s__hit~7 0))) (or (and .cse0 (<= ssl3_connect_~blastFlag~7 0)) (and (<= ssl3_connect_~blastFlag~7 2) .cse0 .cse1) (and .cse0 (<= ssl3_connect_~blastFlag~7 4) (= 256 ssl3_connect_~s__s3__tmp__new_cipher__algorithms~7) .cse1))) [2018-12-03 17:14:19,214 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 603) no Hoare annotation was computed. [2018-12-03 17:14:19,214 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 383) no Hoare annotation was computed. [2018-12-03 17:14:19,214 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 386) no Hoare annotation was computed. [2018-12-03 17:14:19,214 INFO L448 ceAbstractionStarter]: For program point L282(lines 282 603) no Hoare annotation was computed. [2018-12-03 17:14:19,214 INFO L448 ceAbstractionStarter]: For program point ssl3_connectENTRY(lines 15 640) no Hoare annotation was computed. [2018-12-03 17:14:19,214 INFO L448 ceAbstractionStarter]: For program point L415(lines 415 417) no Hoare annotation was computed. [2018-12-03 17:14:19,214 INFO L448 ceAbstractionStarter]: For program point L415-2(lines 415 420) no Hoare annotation was computed. [2018-12-03 17:14:19,214 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 603) no Hoare annotation was computed. [2018-12-03 17:14:19,214 INFO L448 ceAbstractionStarter]: For program point L614(lines 614 618) no Hoare annotation was computed. [2018-12-03 17:14:19,215 INFO L448 ceAbstractionStarter]: For program point L581(lines 581 582) no Hoare annotation was computed. [2018-12-03 17:14:19,215 INFO L448 ceAbstractionStarter]: For program point L581-2(lines 581 582) no Hoare annotation was computed. [2018-12-03 17:14:19,215 INFO L448 ceAbstractionStarter]: For program point ssl3_connectErr0ASSERT_VIOLATIONASSERT(line 635) no Hoare annotation was computed. [2018-12-03 17:14:19,215 INFO L448 ceAbstractionStarter]: For program point L284(lines 284 603) no Hoare annotation was computed. [2018-12-03 17:14:19,215 INFO L448 ceAbstractionStarter]: For program point L516(lines 516 519) no Hoare annotation was computed. [2018-12-03 17:14:19,215 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 354) no Hoare annotation was computed. [2018-12-03 17:14:19,215 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 603) no Hoare annotation was computed. [2018-12-03 17:14:19,215 INFO L448 ceAbstractionStarter]: For program point L451(lines 451 455) no Hoare annotation was computed. [2018-12-03 17:14:19,215 INFO L448 ceAbstractionStarter]: For program point L451-2(lines 451 455) no Hoare annotation was computed. [2018-12-03 17:14:19,216 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 603) no Hoare annotation was computed. [2018-12-03 17:14:19,216 INFO L448 ceAbstractionStarter]: For program point L551(lines 551 553) no Hoare annotation was computed. [2018-12-03 17:14:19,216 INFO L448 ceAbstractionStarter]: For program point $Ultimate##85(lines 314 602) no Hoare annotation was computed. [2018-12-03 17:14:19,216 INFO L448 ceAbstractionStarter]: For program point $Ultimate##84(lines 314 602) no Hoare annotation was computed. [2018-12-03 17:14:19,216 INFO L444 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)) (.cse2 (= ssl3_connect_~s__hit~7 0))) (or (and (<= ssl3_connect_~blastFlag~7 2) .cse0 .cse1 .cse2) (and .cse0 .cse1 (<= ssl3_connect_~blastFlag~7 0)) (and .cse0 .cse1 (= 256 ssl3_connect_~s__s3__tmp__new_cipher__algorithms~7) .cse2))) [2018-12-03 17:14:19,216 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 603) no Hoare annotation was computed. [2018-12-03 17:14:19,216 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 589) no Hoare annotation was computed. [2018-12-03 17:14:19,216 INFO L448 ceAbstractionStarter]: For program point L585-2(lines 585 589) no Hoare annotation was computed. [2018-12-03 17:14:19,216 INFO L448 ceAbstractionStarter]: For program point L387(lines 387 391) no Hoare annotation was computed. [2018-12-03 17:14:19,216 INFO L444 ceAbstractionStarter]: At program point L321(lines 249 321) the Hoare annotation is: (let ((.cse0 (= ssl3_connect_~s__hit~7 0))) (or (and (<= ssl3_connect_~blastFlag~7 4) (= 256 ssl3_connect_~s__s3__tmp__new_cipher__algorithms~7) .cse0) (and (<= ssl3_connect_~blastFlag~7 2) .cse0) (<= ssl3_connect_~blastFlag~7 0))) [2018-12-03 17:14:19,217 INFO L448 ceAbstractionStarter]: For program point L387-2(lines 387 391) no Hoare annotation was computed. [2018-12-03 17:14:19,217 INFO L448 ceAbstractionStarter]: For program point L288(lines 288 603) no Hoare annotation was computed. [2018-12-03 17:14:19,217 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 603) no Hoare annotation was computed. [2018-12-03 17:14:19,217 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 558) no Hoare annotation was computed. [2018-12-03 17:14:19,217 INFO L448 ceAbstractionStarter]: For program point L554-2(lines 554 558) no Hoare annotation was computed. [2018-12-03 17:14:19,217 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 603) no Hoare annotation was computed. [2018-12-03 17:14:19,217 INFO L448 ceAbstractionStarter]: For program point ssl3_connectEXIT(lines 15 640) no Hoare annotation was computed. [2018-12-03 17:14:19,217 INFO L448 ceAbstractionStarter]: For program point L423(lines 423 426) no Hoare annotation was computed. [2018-12-03 17:14:19,217 INFO L444 ceAbstractionStarter]: At program point L291(lines 289 470) the Hoare annotation is: (let ((.cse2 (= ssl3_connect_~s__hit~7 0)) (.cse0 (<= ssl3_connect_~s__state~7 4560)) (.cse1 (<= 4464 ssl3_connect_~s__state~7))) (or (and .cse0 .cse1 (= 256 ssl3_connect_~s__s3__tmp__new_cipher__algorithms~7) .cse2) (and (<= ssl3_connect_~blastFlag~7 2) .cse0 .cse1 .cse2) (and .cse0 .cse1 (<= ssl3_connect_~blastFlag~7 0)))) [2018-12-03 17:14:19,217 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 603) no Hoare annotation was computed. [2018-12-03 17:14:19,218 INFO L448 ceAbstractionStarter]: For program point ssl3_connectFINAL(lines 15 640) no Hoare annotation was computed. [2018-12-03 17:14:19,218 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 492) no Hoare annotation was computed. [2018-12-03 17:14:19,218 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 603) no Hoare annotation was computed. [2018-12-03 17:14:19,218 INFO L444 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)) (.cse2 (= ssl3_connect_~s__hit~7 0))) (or (and (<= ssl3_connect_~blastFlag~7 2) .cse0 .cse1 .cse2) (and .cse0 (<= ssl3_connect_~blastFlag~7 0) .cse1) (and .cse0 (<= ssl3_connect_~blastFlag~7 4) .cse1 (= 256 ssl3_connect_~s__s3__tmp__new_cipher__algorithms~7) .cse2))) [2018-12-03 17:14:19,218 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 327) no Hoare annotation was computed. [2018-12-03 17:14:19,218 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 603) no Hoare annotation was computed. [2018-12-03 17:14:19,218 INFO L448 ceAbstractionStarter]: For program point L326-2(lines 326 327) no Hoare annotation was computed. [2018-12-03 17:14:19,218 INFO L448 ceAbstractionStarter]: For program point L227(lines 227 231) no Hoare annotation was computed. [2018-12-03 17:14:19,218 INFO L451 ceAbstractionStarter]: At program point L624(lines 242 624) the Hoare annotation is: true [2018-12-03 17:14:19,218 INFO L448 ceAbstractionStarter]: For program point L525(lines 525 527) no Hoare annotation was computed. [2018-12-03 17:14:19,219 INFO L448 ceAbstractionStarter]: For program point L294(lines 294 603) no Hoare annotation was computed. [2018-12-03 17:14:19,219 INFO L444 ceAbstractionStarter]: At program point L295(lines 293 486) the Hoare annotation is: (let ((.cse2 (= ssl3_connect_~s__hit~7 0)) (.cse0 (<= ssl3_connect_~s__state~7 4560)) (.cse1 (<= 4464 ssl3_connect_~s__state~7))) (or (and .cse0 .cse1 (= 256 ssl3_connect_~s__s3__tmp__new_cipher__algorithms~7) .cse2) (and (<= ssl3_connect_~blastFlag~7 2) .cse0 .cse1 .cse2) (and .cse0 .cse1 (<= ssl3_connect_~blastFlag~7 0)))) [2018-12-03 17:14:19,219 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 603) no Hoare annotation was computed. [2018-12-03 17:14:19,219 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 231) no Hoare annotation was computed. [2018-12-03 17:14:19,219 INFO L448 ceAbstractionStarter]: For program point L229-2(lines 227 231) no Hoare annotation was computed. [2018-12-03 17:14:19,219 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 332) no Hoare annotation was computed. [2018-12-03 17:14:19,219 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 603) no Hoare annotation was computed. [2018-12-03 17:14:19,219 INFO L444 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 (= 256 ssl3_connect_~s__s3__tmp__new_cipher__algorithms~7) (= ssl3_connect_~s__hit~7 0)))) [2018-12-03 17:14:19,219 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 595) no Hoare annotation was computed. [2018-12-03 17:14:19,219 INFO L448 ceAbstractionStarter]: For program point L396-1(lines 396 407) no Hoare annotation was computed. [2018-12-03 17:14:19,220 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 603) no Hoare annotation was computed. [2018-12-03 17:14:19,220 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 603) no Hoare annotation was computed. [2018-12-03 17:14:19,220 INFO L448 ceAbstractionStarter]: For program point L629(lines 629 630) no Hoare annotation was computed. [2018-12-03 17:14:19,220 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-12-03 17:14:19,220 INFO L448 ceAbstractionStarter]: For program point L629-2(lines 629 630) no Hoare annotation was computed. [2018-12-03 17:14:19,220 INFO L448 ceAbstractionStarter]: For program point L563-2(lines 563 572) no Hoare annotation was computed. [2018-12-03 17:14:19,220 INFO L448 ceAbstractionStarter]: For program point L464(lines 464 466) no Hoare annotation was computed. [2018-12-03 17:14:19,220 INFO L444 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 .cse0 .cse1 (= 256 ssl3_connect_~s__s3__tmp__new_cipher__algorithms~7) (= ssl3_connect_~s__hit~7 0)) (and (<= ssl3_connect_~blastFlag~7 2) .cse0 .cse1))) [2018-12-03 17:14:19,220 INFO L448 ceAbstractionStarter]: For program point L266(lines 266 603) no Hoare annotation was computed. [2018-12-03 17:14:19,251 INFO L202 PluginConnector]: Adding new model s3_clnt_1_Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 05:14:19 BoogieIcfgContainer [2018-12-03 17:14:19,251 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 17:14:19,252 INFO L168 Benchmark]: Toolchain (without parser) took 63668.54 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -804.8 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-12-03 17:14:19,256 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 17:14:19,257 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.29 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 17:14:19,257 INFO L168 Benchmark]: Boogie Preprocessor took 85.10 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 17:14:19,258 INFO L168 Benchmark]: RCFGBuilder took 1348.58 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2018-12-03 17:14:19,261 INFO L168 Benchmark]: TraceAbstraction took 62174.71 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -857.7 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-12-03 17:14:19,267 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 55.29 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.10 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 1348.58 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 62174.71 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -857.7 MB). Peak memory consumption was 1.6 GB. 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 && 256 == ~s__s3__tmp__new_cipher__algorithms~7) && ~s__hit~7 == 0) || (~blastFlag~7 <= 2 && ~s__hit~7 == 0)) || ~blastFlag~7 <= 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: ((4560 <= ~s__state~7 && ~blastFlag~7 <= 0) || ((~blastFlag~7 <= 2 && 4560 <= ~s__state~7) && ~s__hit~7 == 0)) || (((4560 <= ~s__state~7 && ~blastFlag~7 <= 4) && 256 == ~s__s3__tmp__new_cipher__algorithms~7) && ~s__hit~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) && 256 == ~s__s3__tmp__new_cipher__algorithms~7) && ~s__hit~7 == 0) || (((~blastFlag~7 <= 2 && ~s__state~7 <= 4560) && 4352 <= ~s__state~7) && ~s__hit~7 == 0)) || ((~s__state~7 <= 4560 && ~blastFlag~7 <= 0) && 4352 <= ~s__state~7)) || ((((~s__state~7 <= 4560 && ~blastFlag~7 <= 4) && 4352 <= ~s__state~7) && 256 == ~s__s3__tmp__new_cipher__algorithms~7) && ~s__hit~7 == 0) - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: true - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: ((((((~s__state~7 <= 4352 && ~blastFlag~7 <= 2) && 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)) || ((((~s__state~7 <= 4352 && ~blastFlag~7 <= 4) && 4352 <= ~s__state~7) && 256 == ~s__s3__tmp__new_cipher__algorithms~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) && 256 == ~s__s3__tmp__new_cipher__algorithms~7) && ~s__hit~7 == 0) - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: ((((~blastFlag~7 <= 2 && ~s__state~7 <= 4560) && 4352 <= ~s__state~7) && ~s__hit~7 == 0) || ((~s__state~7 <= 4560 && ~blastFlag~7 <= 0) && 4352 <= ~s__state~7)) || ((((~s__state~7 <= 4560 && ~blastFlag~7 <= 4) && 4352 <= ~s__state~7) && 256 == ~s__s3__tmp__new_cipher__algorithms~7) && ~s__hit~7 == 0) - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: (((~s__state~7 <= 4560 && 4464 <= ~s__state~7) && 256 == ~s__s3__tmp__new_cipher__algorithms~7) && ~s__hit~7 == 0) || ((~blastFlag~7 <= 2 && ~s__state~7 <= 4560) && 4464 <= ~s__state~7) - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: (((((((((((((((((~blastFlag~7 <= 2 && 4560 <= ~s__state~7) && ~s__state~7 <= 4560) || ((~s__state~7 == 4480 && 256 == ~s__s3__tmp__new_cipher__algorithms~7) && ~s__hit~7 == 0)) || ((~s__state~7 == 4512 && 256 == ~s__s3__tmp__new_cipher__algorithms~7) && ~s__hit~7 == 0)) || ((~s__state~7 <= 3 && ~s__s3__tmp__next_state___0~7 <= 4560) && 256 == ~s__s3__tmp__new_cipher__algorithms~7)) || ~blastFlag~7 <= 0) || (~blastFlag~7 <= 2 && ~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 <= 4352 && ~s__s3__tmp__next_state___0~7 <= 4560) && 4560 <= ~s__s3__tmp__next_state___0~7) && 4352 <= ~s__state~7) && 256 == ~s__s3__tmp__new_cipher__algorithms~7) && ~s__hit~7 == 0)) || ((~blastFlag~7 <= 4 && 256 == ~s__s3__tmp__new_cipher__algorithms~7) && ~s__hit~7 == 0)) || (((((4560 <= ~s__state~7 && ~s__state~7 <= 4560) && ~s__s3__tmp__next_state___0~7 <= 4560) && 4560 <= ~s__s3__tmp__next_state___0~7) && 256 == ~s__s3__tmp__new_cipher__algorithms~7) && ~s__hit~7 == 0)) || (~blastFlag~7 <= 2 && ~s__state~7 == 4512)) || ((~s__state~7 <= 3 && ~blastFlag~7 <= 2) && ~s__s3__tmp__next_state___0~7 <= 4560)) || ((~s__state~7 == 4464 && 256 == ~s__s3__tmp__new_cipher__algorithms~7) && ~s__hit~7 == 0)) || ((~s__state~7 == 4528 && 256 == ~s__s3__tmp__new_cipher__algorithms~7) && ~s__hit~7 == 0)) || ((~s__state~7 == 4496 && 256 == ~s__s3__tmp__new_cipher__algorithms~7) && ~s__hit~7 == 0) - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: true - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: ((((~blastFlag~7 <= 2 && ~s__state~7 <= 4560) && 4352 <= ~s__state~7) && ~s__hit~7 == 0) || ((~s__state~7 <= 4560 && ~blastFlag~7 <= 0) && 4352 <= ~s__state~7)) || ((((~s__state~7 <= 4560 && ~blastFlag~7 <= 4) && 4352 <= ~s__state~7) && 256 == ~s__s3__tmp__new_cipher__algorithms~7) && ~s__hit~7 == 0) - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: ((~blastFlag~7 <= 2 && ~s__state~7 <= 4560) && 4464 <= ~s__state~7) || (((~s__state~7 <= 4560 && 4464 <= ~s__state~7) && 256 == ~s__s3__tmp__new_cipher__algorithms~7) && ~s__hit~7 == 0) - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: ((((~blastFlag~7 <= 2 && ~s__state~7 <= 4560) && 4352 <= ~s__state~7) && ~s__hit~7 == 0) || ((~s__state~7 <= 4560 && ~blastFlag~7 <= 0) && 4352 <= ~s__state~7)) || ((((~s__state~7 <= 4560 && ~blastFlag~7 <= 4) && 4352 <= ~s__state~7) && 256 == ~s__s3__tmp__new_cipher__algorithms~7) && ~s__hit~7 == 0) - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: ((((~s__state~7 <= 4560 && 4464 <= ~s__state~7) && 256 == ~s__s3__tmp__new_cipher__algorithms~7) && ~s__hit~7 == 0) || (((~blastFlag~7 <= 2 && ~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) && 256 == ~s__s3__tmp__new_cipher__algorithms~7) && ~s__hit~7 == 0) - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: ((((~s__state~7 <= 4560 && 4464 <= ~s__state~7) && 256 == ~s__s3__tmp__new_cipher__algorithms~7) && ~s__hit~7 == 0) || (((~blastFlag~7 <= 2 && ~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: ((((~blastFlag~7 <= 2 && ~s__state~7 <= 4560) && 4464 <= ~s__state~7) && ~s__hit~7 == 0) || ((~s__state~7 <= 4560 && 4464 <= ~s__state~7) && ~blastFlag~7 <= 0)) || (((~s__state~7 <= 4560 && 4464 <= ~s__state~7) && 256 == ~s__s3__tmp__new_cipher__algorithms~7) && ~s__hit~7 == 0) - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: ((((~blastFlag~7 <= 2 && ~s__state~7 <= 4560) && 4352 <= ~s__state~7) && ~s__hit~7 == 0) || ((~s__state~7 <= 4560 && ~blastFlag~7 <= 0) && 4352 <= ~s__state~7)) || ((((~s__state~7 <= 4560 && ~blastFlag~7 <= 4) && 4352 <= ~s__state~7) && 256 == ~s__s3__tmp__new_cipher__algorithms~7) && ~s__hit~7 == 0) - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: (((((((4560 <= ~s__state~7 && ~s__state~7 <= 4560) && ~s__s3__tmp__next_state___0~7 <= 4560) && 256 == ~s__s3__tmp__new_cipher__algorithms~7) && ~s__hit~7 == 0) || (4560 <= ~s__state~7 && ~blastFlag~7 <= 0)) || ((~blastFlag~7 <= 2 && 4560 <= ~s__state~7) && ~s__hit~7 == 0)) || ((~blastFlag~7 <= 2 && 4560 <= ~s__state~7) && ~s__state~7 <= 4560)) || (((4560 <= ~s__state~7 && ~blastFlag~7 <= 4) && 256 == ~s__s3__tmp__new_cipher__algorithms~7) && ~s__hit~7 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 127 locations, 1 error locations. SAFE Result, 62.0s OverallTime, 25 OverallIterations, 17 TraceHistogramMax, 15.4s AutomataDifference, 0.0s DeadEndRemovalTime, 4.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 5140 SDtfs, 1617 SDslu, 2868 SDs, 0 SdLazy, 2441 SolverSat, 431 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3505 GetRequests, 3464 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14609occurred in iteration=23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 33.4s AbstIntTime, 5 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 25 MinimizatonAttempts, 5886 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 20 PreInvPairs, 567 NumberOfFragments, 760 HoareAnnotationTreeSize, 20 FomulaSimplifications, 34683 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 20 FomulaSimplificationsInter, 3121 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 6556 NumberOfCodeBlocks, 6556 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 8236 ConstructedInterpolants, 0 QuantifiedInterpolants, 3466772 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2838 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 35 InterpolantComputations, 24 PerfectInterpolantSequences, 28507/28628 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...