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-smtinterpol.epf -i ../../../trunk/examples/programs/real-life/s3_clnt_1_Unsafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 14:34:08,037 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 14:34:08,040 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 14:34:08,057 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 14:34:08,057 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 14:34:08,059 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 14:34:08,061 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 14:34:08,064 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 14:34:08,066 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 14:34:08,075 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 14:34:08,077 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 14:34:08,077 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 14:34:08,078 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 14:34:08,081 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 14:34:08,083 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 14:34:08,084 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 14:34:08,086 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 14:34:08,087 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 14:34:08,091 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 14:34:08,093 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 14:34:08,096 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 14:34:08,098 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 14:34:08,101 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 14:34:08,101 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 14:34:08,102 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 14:34:08,103 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 14:34:08,105 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 14:34:08,106 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 14:34:08,107 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 14:34:08,109 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 14:34:08,109 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 14:34:08,110 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-25 14:34:08,116 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-smtinterpol.epf [2018-07-25 14:34:08,130 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 14:34:08,130 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 14:34:08,132 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-25 14:34:08,133 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-25 14:34:08,133 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 14:34:08,133 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 14:34:08,133 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 14:34:08,134 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 14:34:08,211 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 14:34:08,226 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 14:34:08,232 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 14:34:08,233 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 14:34:08,234 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 14:34:08,235 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/s3_clnt_1_Unsafe.bpl [2018-07-25 14:34:08,236 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/s3_clnt_1_Unsafe.bpl' [2018-07-25 14:34:08,319 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 14:34:08,321 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 14:34:08,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 14:34:08,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 14:34:08,322 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 14:34:08,341 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 02:34:08" (1/1) ... [2018-07-25 14:34:08,356 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 02:34:08" (1/1) ... [2018-07-25 14:34:08,361 WARN L165 Inliner]: Program contained no entry procedure! [2018-07-25 14:34:08,362 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-07-25 14:34:08,362 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-07-25 14:34:08,364 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 14:34:08,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 14:34:08,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 14:34:08,366 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 14:34:08,379 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 02:34:08" (1/1) ... [2018-07-25 14:34:08,379 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 02:34:08" (1/1) ... [2018-07-25 14:34:08,389 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 02:34:08" (1/1) ... [2018-07-25 14:34:08,389 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 02:34:08" (1/1) ... [2018-07-25 14:34:08,408 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 02:34:08" (1/1) ... [2018-07-25 14:34:08,424 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 02:34:08" (1/1) ... [2018-07-25 14:34:08,431 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 02:34:08" (1/1) ... [2018-07-25 14:34:08,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 14:34:08,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 14:34:08,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 14:34:08,442 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 14:34:08,445 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 02:34:08" (1/1) ... [2018-07-25 14:34:08,530 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2018-07-25 14:34:08,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2018-07-25 14:34:08,594 WARN L494 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-07-25 14:34:08,594 WARN L459 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-07-25 14:34:09,378 INFO L270 CfgBuilder]: Using library mode [2018-07-25 14:34:09,379 INFO L202 PluginConnector]: Adding new model s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:34:09 BoogieIcfgContainer [2018-07-25 14:34:09,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 14:34:09,380 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 14:34:09,381 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 14:34:09,387 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 14:34:09,387 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 02:34:08" (1/2) ... [2018-07-25 14:34:09,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6712493e and model type s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 02:34:09, skipping insertion in model container [2018-07-25 14:34:09,389 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 02:34:09" (2/2) ... [2018-07-25 14:34:09,391 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_clnt_1_Unsafe.bpl [2018-07-25 14:34:09,402 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 14:34:09,410 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 14:34:09,452 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 14:34:09,453 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 14:34:09,453 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 14:34:09,453 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 14:34:09,453 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 14:34:09,454 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 14:34:09,454 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 14:34:09,454 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 14:34:09,454 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 14:34:09,473 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2018-07-25 14:34:09,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-07-25 14:34:09,484 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:34:09,485 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 14:34:09,486 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:34:09,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1665493148, now seen corresponding path program 1 times [2018-07-25 14:34:09,498 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:34:09,969 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:34:09,969 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 14:34:09,974 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 14:34:09,981 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 14:34:09,982 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-25 14:34:09,985 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 4 states. [2018-07-25 14:34:10,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:34:10,212 INFO L93 Difference]: Finished difference Result 199 states and 338 transitions. [2018-07-25 14:34:10,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-25 14:34:10,214 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-07-25 14:34:10,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:34:10,239 INFO L225 Difference]: With dead ends: 199 [2018-07-25 14:34:10,239 INFO L226 Difference]: Without dead ends: 185 [2018-07-25 14:34:10,243 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 1824 GetRequests, 1807 SyntacticMatches, 13 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-25 14:34:10,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-07-25 14:34:10,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 179. [2018-07-25 14:34:10,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-07-25 14:34:10,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 270 transitions. [2018-07-25 14:34:10,330 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 270 transitions. Word has length 20 [2018-07-25 14:34:10,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:34:10,330 INFO L472 AbstractCegarLoop]: Abstraction has 179 states and 270 transitions. [2018-07-25 14:34:10,331 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 14:34:10,331 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 270 transitions. [2018-07-25 14:34:10,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-07-25 14:34:10,339 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:34:10,339 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 14:34:10,340 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:34:10,340 INFO L82 PathProgramCache]: Analyzing trace with hash -501953491, now seen corresponding path program 1 times [2018-07-25 14:34:10,341 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:34:12,792 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:34:12,792 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-07-25 14:34:12,793 INFO L451 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-25 14:34:12,794 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-25 14:34:12,794 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2018-07-25 14:34:12,794 INFO L87 Difference]: Start difference. First operand 179 states and 270 transitions. Second operand 9 states. [2018-07-25 14:34:13,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:34:13,745 INFO L93 Difference]: Finished difference Result 665 states and 1057 transitions. [2018-07-25 14:34:13,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-07-25 14:34:13,746 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 39 [2018-07-25 14:34:13,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:34:13,786 INFO L225 Difference]: With dead ends: 665 [2018-07-25 14:34:13,786 INFO L226 Difference]: Without dead ends: 663 [2018-07-25 14:34:13,788 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 14673 GetRequests, 14621 SyntacticMatches, 24 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=197, Invalid=673, Unknown=0, NotChecked=0, Total=870 [2018-07-25 14:34:13,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2018-07-25 14:34:13,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 374. [2018-07-25 14:34:13,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2018-07-25 14:34:13,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 578 transitions. [2018-07-25 14:34:13,905 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 578 transitions. Word has length 39 [2018-07-25 14:34:13,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:34:13,910 INFO L472 AbstractCegarLoop]: Abstraction has 374 states and 578 transitions. [2018-07-25 14:34:13,910 INFO L473 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-25 14:34:13,910 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 578 transitions. [2018-07-25 14:34:13,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-07-25 14:34:13,913 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:34:13,915 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 14:34:13,915 INFO L415 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:34:13,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1614803692, now seen corresponding path program 1 times [2018-07-25 14:34:13,916 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:34:14,221 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:34:14,222 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-25 14:34:14,222 INFO L451 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-25 14:34:14,222 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-25 14:34:14,223 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-07-25 14:34:14,223 INFO L87 Difference]: Start difference. First operand 374 states and 578 transitions. Second operand 6 states. [2018-07-25 14:34:14,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:34:14,401 INFO L93 Difference]: Finished difference Result 457 states and 711 transitions. [2018-07-25 14:34:14,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-25 14:34:14,402 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2018-07-25 14:34:14,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:34:14,405 INFO L225 Difference]: With dead ends: 457 [2018-07-25 14:34:14,406 INFO L226 Difference]: Without dead ends: 455 [2018-07-25 14:34:14,407 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 3015 GetRequests, 2993 SyntacticMatches, 14 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-07-25 14:34:14,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2018-07-25 14:34:14,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 415. [2018-07-25 14:34:14,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2018-07-25 14:34:14,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 652 transitions. [2018-07-25 14:34:14,511 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 652 transitions. Word has length 40 [2018-07-25 14:34:14,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:34:14,511 INFO L472 AbstractCegarLoop]: Abstraction has 415 states and 652 transitions. [2018-07-25 14:34:14,511 INFO L473 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-25 14:34:14,511 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 652 transitions. [2018-07-25 14:34:14,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-07-25 14:34:14,520 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:34:14,521 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 14:34:14,521 INFO L415 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:34:14,521 INFO L82 PathProgramCache]: Analyzing trace with hash 452423913, now seen corresponding path program 1 times [2018-07-25 14:34:14,521 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:34:16,564 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:34:16,565 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-07-25 14:34:16,565 INFO L451 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-07-25 14:34:16,566 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-07-25 14:34:16,566 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2018-07-25 14:34:16,567 INFO L87 Difference]: Start difference. First operand 415 states and 652 transitions. Second operand 10 states. [2018-07-25 14:34:16,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:34:16,981 INFO L93 Difference]: Finished difference Result 487 states and 761 transitions. [2018-07-25 14:34:16,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-25 14:34:16,982 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 40 [2018-07-25 14:34:16,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:34:16,986 INFO L225 Difference]: With dead ends: 487 [2018-07-25 14:34:16,986 INFO L226 Difference]: Without dead ends: 485 [2018-07-25 14:34:16,987 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 12751 GetRequests, 12699 SyntacticMatches, 24 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 377 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=190, Invalid=680, Unknown=0, NotChecked=0, Total=870 [2018-07-25 14:34:16,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2018-07-25 14:34:17,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 415. [2018-07-25 14:34:17,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2018-07-25 14:34:17,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 652 transitions. [2018-07-25 14:34:17,133 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 652 transitions. Word has length 40 [2018-07-25 14:34:17,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:34:17,134 INFO L472 AbstractCegarLoop]: Abstraction has 415 states and 652 transitions. [2018-07-25 14:34:17,134 INFO L473 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-07-25 14:34:17,134 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 652 transitions. [2018-07-25 14:34:17,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-07-25 14:34:17,136 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:34:17,136 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 14:34:17,136 INFO L415 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:34:17,140 INFO L82 PathProgramCache]: Analyzing trace with hash -87864414, now seen corresponding path program 1 times [2018-07-25 14:34:17,141 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:34:20,575 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:34:20,575 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-07-25 14:34:20,576 INFO L451 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-25 14:34:20,576 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-25 14:34:20,576 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=605, Unknown=0, NotChecked=0, Total=756 [2018-07-25 14:34:20,577 INFO L87 Difference]: Start difference. First operand 415 states and 652 transitions. Second operand 12 states. [2018-07-25 14:34:21,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:34:21,274 INFO L93 Difference]: Finished difference Result 709 states and 1129 transitions. [2018-07-25 14:34:21,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-07-25 14:34:21,274 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 42 [2018-07-25 14:34:21,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:34:21,279 INFO L225 Difference]: With dead ends: 709 [2018-07-25 14:34:21,279 INFO L226 Difference]: Without dead ends: 707 [2018-07-25 14:34:21,281 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 21524 GetRequests, 21458 SyntacticMatches, 26 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 681 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=396, Invalid=1326, Unknown=0, NotChecked=0, Total=1722 [2018-07-25 14:34:21,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2018-07-25 14:34:21,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 554. [2018-07-25 14:34:21,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-07-25 14:34:21,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 898 transitions. [2018-07-25 14:34:21,491 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 898 transitions. Word has length 42 [2018-07-25 14:34:21,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:34:21,491 INFO L472 AbstractCegarLoop]: Abstraction has 554 states and 898 transitions. [2018-07-25 14:34:21,491 INFO L473 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-25 14:34:21,491 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 898 transitions. [2018-07-25 14:34:21,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-07-25 14:34:21,493 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:34:21,493 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 14:34:21,493 INFO L415 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:34:21,494 INFO L82 PathProgramCache]: Analyzing trace with hash -2095690459, now seen corresponding path program 1 times [2018-07-25 14:34:21,494 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:34:23,885 ERROR L237 seRefinementStrategy]: Caught unknown exception: Cannot handle literal (exists ((|v_ssl3_connect_#t~nondet46_4| Int)) (not (<= |v_ssl3_connect_#t~nondet46_4| 0))) [2018-07-25 14:34:23,885 INFO L247 seRefinementStrategy]: Global settings require throwing the exception. [2018-07-25 14:34:23,886 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot handle literal (exists ((|v_ssl3_connect_#t~nondet46_4| Int)) (not (<= |v_ssl3_connect_#t~nondet46_4| 0))) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:249) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:194) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:309) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:151) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:120) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot handle literal (exists ((|v_ssl3_connect_#t~nondet46_4| Int)) (not (<= |v_ssl3_connect_#t~nondet46_4| 0))) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.Clausifier$CollectLiterals.perform(Clausifier.java:787) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.Clausifier.run(Clausifier.java:1602) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.Clausifier.addFormula(Clausifier.java:1665) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.assertTerm(SMTInterpol.java:666) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.assertTerm(ManagedScript.java:135) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:1001) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:945) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:355) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:315) at de.uni_freiburg.informatik.ultimate.lib.pdr.Pdr.blockingPhase(Pdr.java:375) at de.uni_freiburg.informatik.ultimate.lib.pdr.Pdr.computePdr(Pdr.java:289) at de.uni_freiburg.informatik.ultimate.lib.pdr.Pdr.(Pdr.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructPdr(TraceCheckConstructor.java:275) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedRefinementStrategy.getTraceCheck(FixedRefinementStrategy.java:130) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:220) ... 19 more [2018-07-25 14:34:23,894 INFO L168 Benchmark]: Toolchain (without parser) took 15574.06 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.7 GB). Free memory was 1.5 GB in the beginning and 2.8 GB in the end (delta: -1.3 GB). Peak memory consumption was 388.9 MB. Max. memory is 7.1 GB. [2018-07-25 14:34:23,898 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 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 14:34:23,899 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.26 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 14:34:23,900 INFO L168 Benchmark]: Boogie Preprocessor took 76.06 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 14:34:23,901 INFO L168 Benchmark]: RCFGBuilder took 938.04 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-07-25 14:34:23,902 INFO L168 Benchmark]: TraceAbstraction took 14512.50 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 2.8 GB in the end (delta: -1.4 GB). Peak memory consumption was 357.2 MB. Max. memory is 7.1 GB. [2018-07-25 14:34:23,908 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 0.23 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 43.26 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 76.06 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 938.04 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14512.50 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 2.8 GB in the end (delta: -1.4 GB). Peak memory consumption was 357.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot handle literal (exists ((|v_ssl3_connect_#t~nondet46_4| Int)) (not (<= |v_ssl3_connect_#t~nondet46_4| 0))) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot handle literal (exists ((|v_ssl3_connect_#t~nondet46_4| Int)) (not (<= |v_ssl3_connect_#t~nondet46_4| 0))): de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:249) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/s3_clnt_1_Unsafe.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_14-34-23-921.csv Received shutdown request...