java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr.epf -i ../../../trunk/examples/programs/real-life/s3_clnt_1_Unsafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 09:01:02,444 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 09:01:02,449 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 09:01:02,469 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 09:01:02,469 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 09:01:02,470 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 09:01:02,472 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 09:01:02,473 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 09:01:02,475 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 09:01:02,476 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 09:01:02,477 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 09:01:02,477 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 09:01:02,478 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 09:01:02,479 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 09:01:02,480 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 09:01:02,481 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 09:01:02,482 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 09:01:02,484 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 09:01:02,486 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 09:01:02,488 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 09:01:02,489 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 09:01:02,490 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 09:01:02,492 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 09:01:02,493 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 09:01:02,493 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 09:01:02,494 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 09:01:02,495 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 09:01:02,495 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 09:01:02,496 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 09:01:02,500 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 09:01:02,500 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 09:01:02,501 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-25 09:01:02,503 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr.epf [2018-07-25 09:01:02,520 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 09:01:02,521 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 09:01:02,526 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 09:01:02,526 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 09:01:02,526 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 09:01:02,526 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 09:01:02,582 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 09:01:02,595 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 09:01:02,599 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 09:01:02,601 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 09:01:02,601 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 09:01:02,602 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/s3_clnt_1_Unsafe.bpl [2018-07-25 09:01:02,602 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/s3_clnt_1_Unsafe.bpl' [2018-07-25 09:01:02,680 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 09:01:02,682 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 09:01:02,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 09:01:02,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 09:01:02,683 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 09:01:02,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:02" (1/1) ... [2018-07-25 09:01:02,718 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:02" (1/1) ... [2018-07-25 09:01:02,723 WARN L165 Inliner]: Program contained no entry procedure! [2018-07-25 09:01:02,724 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-07-25 09:01:02,724 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-07-25 09:01:02,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 09:01:02,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 09:01:02,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 09:01:02,727 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 09:01:02,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:02" (1/1) ... [2018-07-25 09:01:02,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:02" (1/1) ... [2018-07-25 09:01:02,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:02" (1/1) ... [2018-07-25 09:01:02,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:02" (1/1) ... [2018-07-25 09:01:02,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:02" (1/1) ... [2018-07-25 09:01:02,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:02" (1/1) ... [2018-07-25 09:01:02,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:02" (1/1) ... [2018-07-25 09:01:02,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 09:01:02,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 09:01:02,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 09:01:02,771 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 09:01:02,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:02" (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:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-07-25 09:01:02,854 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2018-07-25 09:01:02,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2018-07-25 09:01:03,035 WARN L494 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-07-25 09:01:03,036 WARN L459 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-07-25 09:01:04,806 INFO L270 CfgBuilder]: Using library mode [2018-07-25 09:01:04,807 INFO L202 PluginConnector]: Adding new model s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:01:04 BoogieIcfgContainer [2018-07-25 09:01:04,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 09:01:04,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 09:01:04,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 09:01:04,812 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 09:01:04,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:02" (1/2) ... [2018-07-25 09:01:04,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e55e40b and model type s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 09:01:04, skipping insertion in model container [2018-07-25 09:01:04,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:01:04" (2/2) ... [2018-07-25 09:01:04,816 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_clnt_1_Unsafe.bpl [2018-07-25 09:01:04,826 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 09:01:04,837 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 09:01:04,880 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 09:01:04,881 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 09:01:04,881 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 09:01:04,882 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 09:01:04,882 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 09:01:04,882 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 09:01:04,882 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 09:01:04,883 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 09:01:04,883 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 09:01:04,908 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2018-07-25 09:01:04,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-07-25 09:01:04,928 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:01:04,929 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 09:01:04,931 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:01:04,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1665493148, now seen corresponding path program 1 times [2018-07-25 09:01:04,942 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:01:06,445 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:01:06,445 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 09:01:06,450 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 09:01:06,458 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 09:01:06,459 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-25 09:01:06,462 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 4 states. [2018-07-25 09:01:07,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:01:07,457 INFO L93 Difference]: Finished difference Result 199 states and 338 transitions. [2018-07-25 09:01:07,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-25 09:01:07,460 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-07-25 09:01:07,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:01:07,476 INFO L225 Difference]: With dead ends: 199 [2018-07-25 09:01:07,476 INFO L226 Difference]: Without dead ends: 185 [2018-07-25 09:01:07,480 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 1824 GetRequests, 1807 SyntacticMatches, 13 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-25 09:01:07,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-07-25 09:01:07,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 179. [2018-07-25 09:01:07,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-07-25 09:01:07,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 270 transitions. [2018-07-25 09:01:07,557 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 270 transitions. Word has length 20 [2018-07-25 09:01:07,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:01:07,557 INFO L472 AbstractCegarLoop]: Abstraction has 179 states and 270 transitions. [2018-07-25 09:01:07,558 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 09:01:07,558 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 270 transitions. [2018-07-25 09:01:07,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-07-25 09:01:07,560 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:01:07,561 INFO L354 BasicCegarLoop]: trace histogram [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] [2018-07-25 09:01:07,561 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:01:07,562 INFO L82 PathProgramCache]: Analyzing trace with hash -501953491, now seen corresponding path program 1 times [2018-07-25 09:01:07,562 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:01:08,967 WARN L169 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2018-07-25 09:01:09,316 WARN L169 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-07-25 09:01:09,719 WARN L169 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-07-25 09:01:11,768 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:01:11,769 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-07-25 09:01:11,770 INFO L451 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-25 09:01:11,770 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-25 09:01:11,771 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2018-07-25 09:01:11,771 INFO L87 Difference]: Start difference. First operand 179 states and 270 transitions. Second operand 9 states. [2018-07-25 09:01:14,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:01:14,656 INFO L93 Difference]: Finished difference Result 665 states and 1057 transitions. [2018-07-25 09:01:14,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-07-25 09:01:14,656 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 39 [2018-07-25 09:01:14,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:01:14,664 INFO L225 Difference]: With dead ends: 665 [2018-07-25 09:01:14,664 INFO L226 Difference]: Without dead ends: 663 [2018-07-25 09:01:14,666 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 14673 GetRequests, 14621 SyntacticMatches, 24 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=197, Invalid=673, Unknown=0, NotChecked=0, Total=870 [2018-07-25 09:01:14,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2018-07-25 09:01:14,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 374. [2018-07-25 09:01:14,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2018-07-25 09:01:14,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 578 transitions. [2018-07-25 09:01:14,772 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 578 transitions. Word has length 39 [2018-07-25 09:01:14,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:01:14,773 INFO L472 AbstractCegarLoop]: Abstraction has 374 states and 578 transitions. [2018-07-25 09:01:14,773 INFO L473 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-25 09:01:14,773 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 578 transitions. [2018-07-25 09:01:14,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-07-25 09:01:14,776 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:01:14,776 INFO L354 BasicCegarLoop]: trace histogram [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] [2018-07-25 09:01:14,777 INFO L415 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:01:14,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1614803692, now seen corresponding path program 1 times [2018-07-25 09:01:14,777 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:01:15,387 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:01:15,387 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-25 09:01:15,387 INFO L451 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-25 09:01:15,387 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-25 09:01:15,388 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-07-25 09:01:15,388 INFO L87 Difference]: Start difference. First operand 374 states and 578 transitions. Second operand 6 states. [2018-07-25 09:01:15,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:01:15,934 INFO L93 Difference]: Finished difference Result 457 states and 711 transitions. [2018-07-25 09:01:15,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-25 09:01:15,935 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2018-07-25 09:01:15,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:01:15,939 INFO L225 Difference]: With dead ends: 457 [2018-07-25 09:01:15,939 INFO L226 Difference]: Without dead ends: 455 [2018-07-25 09:01:15,940 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 3015 GetRequests, 2993 SyntacticMatches, 14 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-07-25 09:01:15,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2018-07-25 09:01:16,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 415. [2018-07-25 09:01:16,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2018-07-25 09:01:16,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 652 transitions. [2018-07-25 09:01:16,014 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 652 transitions. Word has length 40 [2018-07-25 09:01:16,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:01:16,015 INFO L472 AbstractCegarLoop]: Abstraction has 415 states and 652 transitions. [2018-07-25 09:01:16,015 INFO L473 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-25 09:01:16,015 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 652 transitions. [2018-07-25 09:01:16,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-07-25 09:01:16,018 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:01:16,018 INFO L354 BasicCegarLoop]: trace histogram [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] [2018-07-25 09:01:16,019 INFO L415 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:01:16,019 INFO L82 PathProgramCache]: Analyzing trace with hash 452423913, now seen corresponding path program 1 times [2018-07-25 09:01:16,019 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:01:17,871 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:01:17,871 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-07-25 09:01:17,872 INFO L451 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-07-25 09:01:17,872 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-07-25 09:01:17,872 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2018-07-25 09:01:17,872 INFO L87 Difference]: Start difference. First operand 415 states and 652 transitions. Second operand 10 states. [2018-07-25 09:01:19,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:01:19,081 INFO L93 Difference]: Finished difference Result 487 states and 761 transitions. [2018-07-25 09:01:19,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-25 09:01:19,082 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 40 [2018-07-25 09:01:19,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:01:19,086 INFO L225 Difference]: With dead ends: 487 [2018-07-25 09:01:19,086 INFO L226 Difference]: Without dead ends: 485 [2018-07-25 09:01:19,088 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 12751 GetRequests, 12699 SyntacticMatches, 24 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 377 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=190, Invalid=680, Unknown=0, NotChecked=0, Total=870 [2018-07-25 09:01:19,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2018-07-25 09:01:19,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 415. [2018-07-25 09:01:19,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2018-07-25 09:01:19,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 652 transitions. [2018-07-25 09:01:19,213 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 652 transitions. Word has length 40 [2018-07-25 09:01:19,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:01:19,214 INFO L472 AbstractCegarLoop]: Abstraction has 415 states and 652 transitions. [2018-07-25 09:01:19,214 INFO L473 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-07-25 09:01:19,214 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 652 transitions. [2018-07-25 09:01:19,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-07-25 09:01:19,222 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:01:19,222 INFO L354 BasicCegarLoop]: trace histogram [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] [2018-07-25 09:01:19,222 INFO L415 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:01:19,223 INFO L82 PathProgramCache]: Analyzing trace with hash -87864414, now seen corresponding path program 1 times [2018-07-25 09:01:19,223 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:01:22,828 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:01:22,828 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-07-25 09:01:22,829 INFO L451 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-25 09:01:22,829 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-25 09:01:22,829 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=605, Unknown=0, NotChecked=0, Total=756 [2018-07-25 09:01:22,830 INFO L87 Difference]: Start difference. First operand 415 states and 652 transitions. Second operand 12 states. [2018-07-25 09:01:23,269 WARN L169 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 21 [2018-07-25 09:01:25,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:01:25,109 INFO L93 Difference]: Finished difference Result 709 states and 1129 transitions. [2018-07-25 09:01:25,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-07-25 09:01:25,110 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 42 [2018-07-25 09:01:25,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:01:25,114 INFO L225 Difference]: With dead ends: 709 [2018-07-25 09:01:25,115 INFO L226 Difference]: Without dead ends: 707 [2018-07-25 09:01:25,116 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 21524 GetRequests, 21458 SyntacticMatches, 26 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 681 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=396, Invalid=1326, Unknown=0, NotChecked=0, Total=1722 [2018-07-25 09:01:25,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2018-07-25 09:01:25,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 554. [2018-07-25 09:01:25,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-07-25 09:01:25,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 898 transitions. [2018-07-25 09:01:25,285 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 898 transitions. Word has length 42 [2018-07-25 09:01:25,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:01:25,286 INFO L472 AbstractCegarLoop]: Abstraction has 554 states and 898 transitions. [2018-07-25 09:01:25,286 INFO L473 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-25 09:01:25,286 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 898 transitions. [2018-07-25 09:01:25,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-07-25 09:01:25,288 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:01:25,288 INFO L354 BasicCegarLoop]: trace histogram [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] [2018-07-25 09:01:25,288 INFO L415 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:01:25,288 INFO L82 PathProgramCache]: Analyzing trace with hash -2095690459, now seen corresponding path program 1 times [2018-07-25 09:01:25,289 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:01:29,965 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:01:29,966 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-07-25 09:01:29,966 INFO L451 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-25 09:01:29,966 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-25 09:01:29,967 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=866, Unknown=0, NotChecked=0, Total=1056 [2018-07-25 09:01:29,967 INFO L87 Difference]: Start difference. First operand 554 states and 898 transitions. Second operand 13 states. [2018-07-25 09:01:30,955 WARN L169 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2018-07-25 09:01:33,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:01:33,451 INFO L93 Difference]: Finished difference Result 820 states and 1320 transitions. [2018-07-25 09:01:33,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-07-25 09:01:33,452 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 43 [2018-07-25 09:01:33,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:01:33,457 INFO L225 Difference]: With dead ends: 820 [2018-07-25 09:01:33,458 INFO L226 Difference]: Without dead ends: 818 [2018-07-25 09:01:33,459 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 24207 GetRequests, 24134 SyntacticMatches, 27 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 961 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=458, Invalid=1798, Unknown=0, NotChecked=0, Total=2256 [2018-07-25 09:01:33,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2018-07-25 09:01:33,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 643. [2018-07-25 09:01:33,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2018-07-25 09:01:33,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 1051 transitions. [2018-07-25 09:01:33,715 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 1051 transitions. Word has length 43 [2018-07-25 09:01:33,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:01:33,716 INFO L472 AbstractCegarLoop]: Abstraction has 643 states and 1051 transitions. [2018-07-25 09:01:33,716 INFO L473 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-25 09:01:33,716 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1051 transitions. [2018-07-25 09:01:33,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-07-25 09:01:33,720 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:01:33,720 INFO L354 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-07-25 09:01:33,721 INFO L415 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:01:33,721 INFO L82 PathProgramCache]: Analyzing trace with hash 383602892, now seen corresponding path program 1 times [2018-07-25 09:01:33,721 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:02:36,695 WARN L169 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-07-25 09:02:45,152 WARN L169 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-07-25 09:03:04,410 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:03:04,410 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-07-25 09:03:04,410 INFO L451 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-25 09:03:04,411 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-25 09:03:04,411 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=465, Invalid=2085, Unknown=0, NotChecked=0, Total=2550 [2018-07-25 09:03:04,412 INFO L87 Difference]: Start difference. First operand 643 states and 1051 transitions. Second operand 12 states. [2018-07-25 09:03:05,599 WARN L169 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-07-25 09:03:05,889 WARN L169 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2018-07-25 09:03:06,053 WARN L169 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2018-07-25 09:03:08,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:03:08,375 INFO L93 Difference]: Finished difference Result 1045 states and 1705 transitions. [2018-07-25 09:03:08,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-07-25 09:03:08,376 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 54 [2018-07-25 09:03:08,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:03:08,381 INFO L225 Difference]: With dead ends: 1045 [2018-07-25 09:03:08,381 INFO L226 Difference]: Without dead ends: 1043 [2018-07-25 09:03:08,383 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 30560 GetRequests, 27080 SyntacticMatches, 3419 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159141 ImplicationChecksByTransitivity, 86.0s TimeCoverageRelationStatistics Valid=804, Invalid=3102, Unknown=0, NotChecked=0, Total=3906 [2018-07-25 09:03:08,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2018-07-25 09:03:08,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 827. [2018-07-25 09:03:08,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2018-07-25 09:03:08,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1373 transitions. [2018-07-25 09:03:08,663 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1373 transitions. Word has length 54 [2018-07-25 09:03:08,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:03:08,664 INFO L472 AbstractCegarLoop]: Abstraction has 827 states and 1373 transitions. [2018-07-25 09:03:08,664 INFO L473 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-25 09:03:08,664 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1373 transitions. [2018-07-25 09:03:08,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-07-25 09:03:08,666 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:03:08,666 INFO L354 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-07-25 09:03:08,666 INFO L415 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:03:08,667 INFO L82 PathProgramCache]: Analyzing trace with hash -365105861, now seen corresponding path program 1 times [2018-07-25 09:03:08,667 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:03:48,025 WARN L169 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-07-25 09:04:17,329 WARN L169 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 29 [2018-07-25 09:04:26,587 WARN L169 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-07-25 09:04:37,023 WARN L169 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-07-25 09:05:00,674 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:05:00,675 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-07-25 09:05:00,675 INFO L451 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-25 09:05:00,675 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-25 09:05:00,676 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=588, Invalid=2834, Unknown=0, NotChecked=0, Total=3422 [2018-07-25 09:05:00,677 INFO L87 Difference]: Start difference. First operand 827 states and 1373 transitions. Second operand 13 states. [2018-07-25 09:05:00,830 WARN L169 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2018-07-25 09:05:01,678 WARN L169 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2018-07-25 09:05:02,651 WARN L169 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2018-07-25 09:05:03,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:05:03,970 INFO L93 Difference]: Finished difference Result 1032 states and 1687 transitions. [2018-07-25 09:05:03,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-07-25 09:05:03,970 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 55 [2018-07-25 09:05:03,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:05:03,975 INFO L225 Difference]: With dead ends: 1032 [2018-07-25 09:05:03,975 INFO L226 Difference]: Without dead ends: 1030 [2018-07-25 09:05:03,978 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 34796 GetRequests, 30910 SyntacticMatches, 3815 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209067 ImplicationChecksByTransitivity, 106.2s TimeCoverageRelationStatistics Valid=1005, Invalid=4251, Unknown=0, NotChecked=0, Total=5256 [2018-07-25 09:05:03,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2018-07-25 09:05:04,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 808. [2018-07-25 09:05:04,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 808 states. [2018-07-25 09:05:04,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1340 transitions. [2018-07-25 09:05:04,299 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1340 transitions. Word has length 55 [2018-07-25 09:05:04,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:05:04,300 INFO L472 AbstractCegarLoop]: Abstraction has 808 states and 1340 transitions. [2018-07-25 09:05:04,300 INFO L473 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-25 09:05:04,300 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1340 transitions. [2018-07-25 09:05:04,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-07-25 09:05:04,302 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:05:04,302 INFO L354 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 09:05:04,302 INFO L415 AbstractCegarLoop]: === Iteration 9 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:05:04,303 INFO L82 PathProgramCache]: Analyzing trace with hash -150304423, now seen corresponding path program 1 times [2018-07-25 09:05:04,303 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:05:11,221 WARN L169 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-07-25 09:05:12,028 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:05:12,028 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-07-25 09:05:12,028 INFO L451 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-25 09:05:12,029 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-25 09:05:12,029 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=633, Unknown=0, NotChecked=0, Total=756 [2018-07-25 09:05:12,029 INFO L87 Difference]: Start difference. First operand 808 states and 1340 transitions. Second operand 12 states. [2018-07-25 09:05:12,460 WARN L169 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 38 [2018-07-25 09:05:13,368 WARN L169 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2018-07-25 09:05:13,553 WARN L169 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2018-07-25 09:05:13,791 WARN L169 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2018-07-25 09:05:18,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:05:18,310 INFO L93 Difference]: Finished difference Result 2329 states and 3817 transitions. [2018-07-25 09:05:18,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-07-25 09:05:18,311 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 56 [2018-07-25 09:05:18,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:05:18,323 INFO L225 Difference]: With dead ends: 2329 [2018-07-25 09:05:18,323 INFO L226 Difference]: Without dead ends: 2327 [2018-07-25 09:05:18,326 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 40730 GetRequests, 40646 SyntacticMatches, 33 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1100 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=528, Invalid=2228, Unknown=0, NotChecked=0, Total=2756 [2018-07-25 09:05:18,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2327 states. [2018-07-25 09:05:18,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2327 to 1242. [2018-07-25 09:05:18,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1242 states. [2018-07-25 09:05:18,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 1242 states and 2046 transitions. [2018-07-25 09:05:18,910 INFO L78 Accepts]: Start accepts. Automaton has 1242 states and 2046 transitions. Word has length 56 [2018-07-25 09:05:18,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:05:18,911 INFO L472 AbstractCegarLoop]: Abstraction has 1242 states and 2046 transitions. [2018-07-25 09:05:18,911 INFO L473 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-25 09:05:18,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1242 states and 2046 transitions. [2018-07-25 09:05:18,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-07-25 09:05:18,913 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:05:18,914 INFO L354 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 09:05:18,914 INFO L415 AbstractCegarLoop]: === Iteration 10 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:05:18,914 INFO L82 PathProgramCache]: Analyzing trace with hash -547396441, now seen corresponding path program 1 times [2018-07-25 09:05:18,914 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy Received shutdown request... [2018-07-25 09:05:23,041 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 09:05:23,045 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 09:05:23,046 INFO L202 PluginConnector]: Adding new model s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 09:05:23 BoogieIcfgContainer [2018-07-25 09:05:23,046 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 09:05:23,047 INFO L168 Benchmark]: Toolchain (without parser) took 260366.22 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 340.8 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 269.9 MB). Peak memory consumption was 610.7 MB. Max. memory is 7.1 GB. [2018-07-25 09:05:23,048 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 09:05:23,048 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.93 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 09:05:23,049 INFO L168 Benchmark]: Boogie Preprocessor took 43.80 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 09:05:23,049 INFO L168 Benchmark]: RCFGBuilder took 2036.59 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2018-07-25 09:05:23,050 INFO L168 Benchmark]: TraceAbstraction took 258237.03 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 340.8 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 185.3 MB). Peak memory consumption was 526.1 MB. Max. memory is 7.1 GB. [2018-07-25 09:05:23,054 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 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.93 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.80 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 2036.59 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 258237.03 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 340.8 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 185.3 MB). Peak memory consumption was 526.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 634]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 634). Cancelled while BasicCegarLoop was analyzing trace of length 60 with TraceHistMax 3, while PredicateComparison was comparing new predicate (quantifier-free) to 39 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 128 locations, 1 error locations. TIMEOUT Result, 258.1s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 25.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 745 SDtfs, 14422 SDslu, 1335 SDs, 0 SdLazy, 4674 SolverSat, 3184 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 184080 GetRequests, 176348 SyntacticMatches, 7395 SemanticMatches, 337 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371703 ImplicationChecksByTransitivity, 207.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1242occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 9 MinimizatonAttempts, 2256 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 226.8s PdrRuntime, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/s3_clnt_1_Unsafe.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_09-05-23-066.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/s3_clnt_1_Unsafe.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_09-05-23-066.csv Completed graceful shutdown