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/threadpooling_out.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 14:34:08,315 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 14:34:08,317 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 14:34:08,330 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 14:34:08,330 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 14:34:08,331 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 14:34:08,333 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 14:34:08,335 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 14:34:08,337 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 14:34:08,338 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 14:34:08,339 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 14:34:08,339 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 14:34:08,340 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 14:34:08,341 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 14:34:08,343 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 14:34:08,344 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 14:34:08,345 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 14:34:08,347 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 14:34:08,349 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 14:34:08,351 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 14:34:08,352 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 14:34:08,353 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 14:34:08,358 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 14:34:08,358 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 14:34:08,359 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 14:34:08,360 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 14:34:08,364 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 14:34:08,365 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 14:34:08,366 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 14:34:08,369 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 14:34:08,369 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 14:34:08,370 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 14:34:08,370 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 14:34:08,370 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 14:34:08,373 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 14:34:08,375 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 14:34:08,375 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 14:34:08,391 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 14:34:08,392 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 14:34:08,393 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-25 14:34:08,393 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-25 14:34:08,394 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 14:34:08,395 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 14:34:08,395 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 14:34:08,395 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 14:34:08,468 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 14:34:08,484 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 14:34:08,489 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 14:34:08,491 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 14:34:08,491 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 14:34:08,492 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out.bpl [2018-07-25 14:34:08,493 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out.bpl' [2018-07-25 14:34:08,565 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 14:34:08,567 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 14:34:08,568 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 14:34:08,568 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 14:34:08,568 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 14:34:08,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:34:08" (1/1) ... [2018-07-25 14:34:08,608 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:34:08" (1/1) ... [2018-07-25 14:34:08,613 WARN L165 Inliner]: Program contained no entry procedure! [2018-07-25 14:34:08,613 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-07-25 14:34:08,614 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-07-25 14:34:08,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 14:34:08,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 14:34:08,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 14:34:08,617 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 14:34:08,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:34:08" (1/1) ... [2018-07-25 14:34:08,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:34:08" (1/1) ... [2018-07-25 14:34:08,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:34:08" (1/1) ... [2018-07-25 14:34:08,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:34:08" (1/1) ... [2018-07-25 14:34:08,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:34:08" (1/1) ... [2018-07-25 14:34:08,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:34:08" (1/1) ... [2018-07-25 14:34:08,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:34:08" (1/1) ... [2018-07-25 14:34:08,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 14:34:08,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 14:34:08,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 14:34:08,666 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 14:34:08,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:34:08" (1/1) ... [2018-07-25 14:34:08,755 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-07-25 14:34:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-07-25 14:34:08,756 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-07-25 14:34:09,035 INFO L270 CfgBuilder]: Using library mode [2018-07-25 14:34:09,036 INFO L202 PluginConnector]: Adding new model threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:34:09 BoogieIcfgContainer [2018-07-25 14:34:09,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 14:34:09,038 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 14:34:09,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 14:34:09,043 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 14:34:09,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:34:08" (1/2) ... [2018-07-25 14:34:09,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@265e4d01 and model type threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 02:34:09, skipping insertion in model container [2018-07-25 14:34:09,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:34:09" (2/2) ... [2018-07-25 14:34:09,048 INFO L112 eAbstractionObserver]: Analyzing ICFG threadpooling_out.bpl [2018-07-25 14:34:09,058 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 14:34:09,068 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 14 error locations. [2018-07-25 14:34:09,121 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 14:34:09,122 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 14:34:09,122 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 14:34:09,122 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 14:34:09,123 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 14:34:09,123 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 14:34:09,123 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 14:34:09,123 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 14:34:09,123 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 14:34:09,151 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2018-07-25 14:34:09,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-07-25 14:34:09,166 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:34:09,169 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-07-25 14:34:09,170 INFO L415 AbstractCegarLoop]: === Iteration 1 === [productErr11ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:34:09,177 INFO L82 PathProgramCache]: Analyzing trace with hash -2113132074, now seen corresponding path program 1 times [2018-07-25 14:34:09,184 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:34:09,469 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:34:09,470 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 14:34:09,475 INFO L451 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-25 14:34:09,480 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-25 14:34:09,481 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-07-25 14:34:09,484 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 7 states. [2018-07-25 14:34:10,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:34:10,301 INFO L93 Difference]: Finished difference Result 213 states and 450 transitions. [2018-07-25 14:34:10,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-25 14:34:10,303 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 7 [2018-07-25 14:34:10,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:34:10,322 INFO L225 Difference]: With dead ends: 213 [2018-07-25 14:34:10,323 INFO L226 Difference]: Without dead ends: 201 [2018-07-25 14:34:10,327 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2018-07-25 14:34:10,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-07-25 14:34:10,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 95. [2018-07-25 14:34:10,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-07-25 14:34:10,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 199 transitions. [2018-07-25 14:34:10,397 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 199 transitions. Word has length 7 [2018-07-25 14:34:10,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:34:10,398 INFO L472 AbstractCegarLoop]: Abstraction has 95 states and 199 transitions. [2018-07-25 14:34:10,398 INFO L473 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-25 14:34:10,398 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 199 transitions. [2018-07-25 14:34:10,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-07-25 14:34:10,399 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:34:10,400 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-07-25 14:34:10,403 INFO L415 AbstractCegarLoop]: === Iteration 2 === [productErr11ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:34:10,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1894705935, now seen corresponding path program 1 times [2018-07-25 14:34:10,404 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:34:10,491 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:34:10,492 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 14:34:10,493 INFO L451 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-25 14:34:10,494 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-25 14:34:10,494 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-07-25 14:34:10,495 INFO L87 Difference]: Start difference. First operand 95 states and 199 transitions. Second operand 7 states. [2018-07-25 14:34:10,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:34:10,897 INFO L93 Difference]: Finished difference Result 234 states and 505 transitions. [2018-07-25 14:34:10,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-25 14:34:10,897 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 7 [2018-07-25 14:34:10,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:34:10,903 INFO L225 Difference]: With dead ends: 234 [2018-07-25 14:34:10,903 INFO L226 Difference]: Without dead ends: 229 [2018-07-25 14:34:10,908 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2018-07-25 14:34:10,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-07-25 14:34:10,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 110. [2018-07-25 14:34:10,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-07-25 14:34:10,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 237 transitions. [2018-07-25 14:34:10,961 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 237 transitions. Word has length 7 [2018-07-25 14:34:10,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:34:10,962 INFO L472 AbstractCegarLoop]: Abstraction has 110 states and 237 transitions. [2018-07-25 14:34:10,962 INFO L473 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-25 14:34:10,962 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 237 transitions. [2018-07-25 14:34:10,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-07-25 14:34:10,966 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:34:10,967 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 14:34:10,968 INFO L415 AbstractCegarLoop]: === Iteration 3 === [productErr11ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:34:10,968 INFO L82 PathProgramCache]: Analyzing trace with hash 672968560, now seen corresponding path program 1 times [2018-07-25 14:34:10,968 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:34:11,051 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:34:11,051 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-25 14:34:11,052 INFO L451 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-25 14:34:11,052 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-25 14:34:11,052 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-07-25 14:34:11,053 INFO L87 Difference]: Start difference. First operand 110 states and 237 transitions. Second operand 8 states. [2018-07-25 14:34:11,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:34:11,577 INFO L93 Difference]: Finished difference Result 316 states and 696 transitions. [2018-07-25 14:34:11,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-07-25 14:34:11,577 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 9 [2018-07-25 14:34:11,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:34:11,581 INFO L225 Difference]: With dead ends: 316 [2018-07-25 14:34:11,581 INFO L226 Difference]: Without dead ends: 311 [2018-07-25 14:34:11,584 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=127, Invalid=523, Unknown=0, NotChecked=0, Total=650 [2018-07-25 14:34:11,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-07-25 14:34:11,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 145. [2018-07-25 14:34:11,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-07-25 14:34:11,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 321 transitions. [2018-07-25 14:34:11,638 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 321 transitions. Word has length 9 [2018-07-25 14:34:11,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:34:11,640 INFO L472 AbstractCegarLoop]: Abstraction has 145 states and 321 transitions. [2018-07-25 14:34:11,641 INFO L473 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-25 14:34:11,641 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 321 transitions. [2018-07-25 14:34:11,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-07-25 14:34:11,643 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:34:11,644 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 14:34:11,646 INFO L415 AbstractCegarLoop]: === Iteration 4 === [productErr11ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:34:11,647 INFO L82 PathProgramCache]: Analyzing trace with hash 2061636985, now seen corresponding path program 1 times [2018-07-25 14:34:11,647 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:34:11,722 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:34:11,723 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-25 14:34:11,723 INFO L451 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-25 14:34:11,723 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-25 14:34:11,723 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-07-25 14:34:11,724 INFO L87 Difference]: Start difference. First operand 145 states and 321 transitions. Second operand 8 states. [2018-07-25 14:34:12,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:34:12,311 INFO L93 Difference]: Finished difference Result 366 states and 818 transitions. [2018-07-25 14:34:12,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-07-25 14:34:12,312 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 9 [2018-07-25 14:34:12,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:34:12,316 INFO L225 Difference]: With dead ends: 366 [2018-07-25 14:34:12,316 INFO L226 Difference]: Without dead ends: 361 [2018-07-25 14:34:12,319 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=127, Invalid=523, Unknown=0, NotChecked=0, Total=650 [2018-07-25 14:34:12,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2018-07-25 14:34:12,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 163. [2018-07-25 14:34:12,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-07-25 14:34:12,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 361 transitions. [2018-07-25 14:34:12,393 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 361 transitions. Word has length 9 [2018-07-25 14:34:12,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:34:12,394 INFO L472 AbstractCegarLoop]: Abstraction has 163 states and 361 transitions. [2018-07-25 14:34:12,394 INFO L473 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-25 14:34:12,395 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 361 transitions. [2018-07-25 14:34:12,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-07-25 14:34:12,397 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:34:12,398 INFO L354 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 14:34:12,398 INFO L415 AbstractCegarLoop]: === Iteration 5 === [productErr11ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:34:12,399 INFO L82 PathProgramCache]: Analyzing trace with hash -370364222, now seen corresponding path program 1 times [2018-07-25 14:34:12,399 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy Received shutdown request... [2018-07-25 14:38:34,521 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 14:38:34,529 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 14:38:34,530 INFO L202 PluginConnector]: Adding new model threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 02:38:34 BoogieIcfgContainer [2018-07-25 14:38:34,530 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 14:38:34,531 INFO L168 Benchmark]: Toolchain (without parser) took 265965.44 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -385.9 MB). Free memory was 1.5 GB in the beginning and 965.9 MB in the end (delta: 515.6 MB). Peak memory consumption was 129.7 MB. Max. memory is 7.1 GB. [2018-07-25 14:38:34,533 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 14:38:34,534 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.71 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 14:38:34,534 INFO L168 Benchmark]: Boogie Preprocessor took 46.17 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 14:38:34,535 INFO L168 Benchmark]: RCFGBuilder took 370.53 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-25 14:38:34,536 INFO L168 Benchmark]: TraceAbstraction took 265491.95 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -385.9 MB). Free memory was 1.5 GB in the beginning and 965.9 MB in the end (delta: 505.1 MB). Peak memory consumption was 119.2 MB. Max. memory is 7.1 GB. [2018-07-25 14:38:34,540 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 48.71 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 46.17 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 370.53 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 265491.95 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -385.9 MB). Free memory was 1.5 GB in the beginning and 965.9 MB in the end (delta: 505.1 MB). Peak memory consumption was 119.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 294]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 294). Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 206 known predicates. - TimeoutResultAtElement [Line: 332]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 332). Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 206 known predicates. - TimeoutResultAtElement [Line: 250]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 250). Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 206 known predicates. - TimeoutResultAtElement [Line: 54]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 54). Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 206 known predicates. - TimeoutResultAtElement [Line: 222]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 222). Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 206 known predicates. - TimeoutResultAtElement [Line: 364]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 364). Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 206 known predicates. - TimeoutResultAtElement [Line: 205]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 205). Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 206 known predicates. - TimeoutResultAtElement [Line: 154]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 154). Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 206 known predicates. - TimeoutResultAtElement [Line: 229]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 229). Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 206 known predicates. - TimeoutResultAtElement [Line: 284]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 284). Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 206 known predicates. - TimeoutResultAtElement [Line: 247]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 247). Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 206 known predicates. - TimeoutResultAtElement [Line: 240]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 240). Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 206 known predicates. - TimeoutResultAtElement [Line: 264]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 264). Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 206 known predicates. - TimeoutResultAtElement [Line: 277]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 277). Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 206 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 66 locations, 14 error locations. TIMEOUT Result, 265.4s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 2.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 869 SDtfs, 1594 SDslu, 2219 SDs, 0 SdLazy, 2793 SolverSat, 306 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 786 GetRequests, 708 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=163occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 589 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.4s 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/threadpooling_out.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_14-38-34-554.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/threadpooling_out.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_14-38-34-554.csv Completed graceful shutdown