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/threadpooling_out_Reals.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 09:01:14,853 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 09:01:14,854 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 09:01:14,866 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 09:01:14,866 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 09:01:14,868 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 09:01:14,869 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 09:01:14,870 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 09:01:14,872 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 09:01:14,873 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 09:01:14,874 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 09:01:14,874 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 09:01:14,875 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 09:01:14,876 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 09:01:14,877 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 09:01:14,878 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 09:01:14,878 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 09:01:14,880 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 09:01:14,882 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 09:01:14,884 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 09:01:14,885 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 09:01:14,886 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 09:01:14,888 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 09:01:14,889 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 09:01:14,889 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 09:01:14,890 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 09:01:14,891 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 09:01:14,891 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 09:01:14,892 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 09:01:14,893 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 09:01:14,894 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 09:01:14,894 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 09:01:14,894 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 09:01:14,895 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 09:01:14,896 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 09:01:14,896 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 09:01:14,897 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr.epf [2018-07-25 09:01:14,910 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 09:01:14,911 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 09:01:14,912 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 09:01:14,912 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 09:01:14,912 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 09:01:14,912 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 09:01:14,957 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 09:01:14,971 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 09:01:14,975 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 09:01:14,976 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 09:01:14,977 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 09:01:14,978 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out_Reals.bpl [2018-07-25 09:01:14,978 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out_Reals.bpl' [2018-07-25 09:01:15,057 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 09:01:15,059 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 09:01:15,060 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 09:01:15,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 09:01:15,060 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 09:01:15,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:15" (1/1) ... [2018-07-25 09:01:15,100 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:15" (1/1) ... [2018-07-25 09:01:15,105 WARN L165 Inliner]: Program contained no entry procedure! [2018-07-25 09:01:15,105 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-07-25 09:01:15,105 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-07-25 09:01:15,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 09:01:15,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 09:01:15,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 09:01:15,109 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 09:01:15,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:15" (1/1) ... [2018-07-25 09:01:15,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:15" (1/1) ... [2018-07-25 09:01:15,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:15" (1/1) ... [2018-07-25 09:01:15,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:15" (1/1) ... [2018-07-25 09:01:15,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:15" (1/1) ... [2018-07-25 09:01:15,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:15" (1/1) ... [2018-07-25 09:01:15,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:15" (1/1) ... [2018-07-25 09:01:15,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 09:01:15,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 09:01:15,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 09:01:15,148 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 09:01:15,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory: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 09:01:15,235 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-07-25 09:01:15,235 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-07-25 09:01:15,235 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-07-25 09:01:16,000 INFO L270 CfgBuilder]: Using library mode [2018-07-25 09:01:16,001 INFO L202 PluginConnector]: Adding new model threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:01:16 BoogieIcfgContainer [2018-07-25 09:01:16,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 09:01:16,003 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 09:01:16,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 09:01:16,006 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 09:01:16,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:15" (1/2) ... [2018-07-25 09:01:16,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf76b63 and model type threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 09:01:16, skipping insertion in model container [2018-07-25 09:01:16,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:01:16" (2/2) ... [2018-07-25 09:01:16,010 INFO L112 eAbstractionObserver]: Analyzing ICFG threadpooling_out_Reals.bpl [2018-07-25 09:01:16,020 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 09:01:16,029 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 14 error locations. [2018-07-25 09:01:16,076 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 09:01:16,077 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 09:01:16,077 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 09:01:16,078 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 09:01:16,078 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 09:01:16,078 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 09:01:16,078 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 09:01:16,078 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 09:01:16,078 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 09:01:16,097 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2018-07-25 09:01:16,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-07-25 09:01:16,107 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:01:16,108 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-07-25 09:01:16,110 INFO L415 AbstractCegarLoop]: === Iteration 1 === [productErr5ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:01:16,115 INFO L82 PathProgramCache]: Analyzing trace with hash -2113132074, now seen corresponding path program 1 times [2018-07-25 09:01:16,121 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:01:16,612 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:01:16,613 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 09:01:16,618 INFO L451 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-25 09:01:16,624 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-25 09:01:16,625 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-07-25 09:01:16,628 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 7 states. [2018-07-25 09:01:18,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:01:18,675 INFO L93 Difference]: Finished difference Result 213 states and 450 transitions. [2018-07-25 09:01:18,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-25 09:01:18,678 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 7 [2018-07-25 09:01:18,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:01:18,697 INFO L225 Difference]: With dead ends: 213 [2018-07-25 09:01:18,697 INFO L226 Difference]: Without dead ends: 201 [2018-07-25 09:01:18,701 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2018-07-25 09:01:18,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-07-25 09:01:18,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 95. [2018-07-25 09:01:18,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-07-25 09:01:18,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 199 transitions. [2018-07-25 09:01:18,767 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 199 transitions. Word has length 7 [2018-07-25 09:01:18,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:01:18,768 INFO L472 AbstractCegarLoop]: Abstraction has 95 states and 199 transitions. [2018-07-25 09:01:18,768 INFO L473 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-25 09:01:18,768 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 199 transitions. [2018-07-25 09:01:18,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-07-25 09:01:18,770 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:01:18,770 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-07-25 09:01:18,771 INFO L415 AbstractCegarLoop]: === Iteration 2 === [productErr5ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:01:18,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1894705935, now seen corresponding path program 1 times [2018-07-25 09:01:18,771 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:01:18,991 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:01:18,992 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 09:01:18,993 INFO L451 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-25 09:01:18,993 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-25 09:01:18,994 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-07-25 09:01:18,994 INFO L87 Difference]: Start difference. First operand 95 states and 199 transitions. Second operand 7 states. [2018-07-25 09:01:19,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:01:19,956 INFO L93 Difference]: Finished difference Result 234 states and 505 transitions. [2018-07-25 09:01:19,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-25 09:01:19,956 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 7 [2018-07-25 09:01:19,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:01:19,961 INFO L225 Difference]: With dead ends: 234 [2018-07-25 09:01:19,961 INFO L226 Difference]: Without dead ends: 229 [2018-07-25 09:01:19,963 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 09:01:19,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-07-25 09:01:19,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 110. [2018-07-25 09:01:19,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-07-25 09:01:19,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 237 transitions. [2018-07-25 09:01:19,991 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 237 transitions. Word has length 7 [2018-07-25 09:01:19,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:01:19,992 INFO L472 AbstractCegarLoop]: Abstraction has 110 states and 237 transitions. [2018-07-25 09:01:19,992 INFO L473 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-25 09:01:19,992 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 237 transitions. [2018-07-25 09:01:19,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-07-25 09:01:19,995 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:01:19,995 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 09:01:19,996 INFO L415 AbstractCegarLoop]: === Iteration 3 === [productErr5ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:01:19,996 INFO L82 PathProgramCache]: Analyzing trace with hash 672968560, now seen corresponding path program 1 times [2018-07-25 09:01:19,996 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:01:20,192 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:01:20,192 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-25 09:01:20,192 INFO L451 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-25 09:01:20,193 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-25 09:01:20,193 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-07-25 09:01:20,193 INFO L87 Difference]: Start difference. First operand 110 states and 237 transitions. Second operand 8 states. [2018-07-25 09:01:20,801 WARN L169 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-07-25 09:01:23,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:01:23,072 INFO L93 Difference]: Finished difference Result 316 states and 696 transitions. [2018-07-25 09:01:23,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-07-25 09:01:23,073 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 9 [2018-07-25 09:01:23,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:01:23,076 INFO L225 Difference]: With dead ends: 316 [2018-07-25 09:01:23,076 INFO L226 Difference]: Without dead ends: 311 [2018-07-25 09:01:23,077 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=127, Invalid=523, Unknown=0, NotChecked=0, Total=650 [2018-07-25 09:01:23,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-07-25 09:01:23,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 145. [2018-07-25 09:01:23,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-07-25 09:01:23,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 321 transitions. [2018-07-25 09:01:23,115 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 321 transitions. Word has length 9 [2018-07-25 09:01:23,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:01:23,116 INFO L472 AbstractCegarLoop]: Abstraction has 145 states and 321 transitions. [2018-07-25 09:01:23,116 INFO L473 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-25 09:01:23,116 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 321 transitions. [2018-07-25 09:01:23,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-07-25 09:01:23,117 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:01:23,117 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 09:01:23,118 INFO L415 AbstractCegarLoop]: === Iteration 4 === [productErr5ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:01:23,118 INFO L82 PathProgramCache]: Analyzing trace with hash 2061636985, now seen corresponding path program 1 times [2018-07-25 09:01:23,118 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:01:23,397 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:01:23,398 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-25 09:01:23,398 INFO L451 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-25 09:01:23,399 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-25 09:01:23,400 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-07-25 09:01:23,400 INFO L87 Difference]: Start difference. First operand 145 states and 321 transitions. Second operand 8 states. [2018-07-25 09:01:24,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:01:24,945 INFO L93 Difference]: Finished difference Result 366 states and 818 transitions. [2018-07-25 09:01:24,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-07-25 09:01:24,945 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 9 [2018-07-25 09:01:24,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:01:24,949 INFO L225 Difference]: With dead ends: 366 [2018-07-25 09:01:24,950 INFO L226 Difference]: Without dead ends: 361 [2018-07-25 09:01:24,951 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=127, Invalid=523, Unknown=0, NotChecked=0, Total=650 [2018-07-25 09:01:24,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2018-07-25 09:01:24,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 163. [2018-07-25 09:01:24,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-07-25 09:01:24,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 361 transitions. [2018-07-25 09:01:24,991 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 361 transitions. Word has length 9 [2018-07-25 09:01:24,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:01:24,991 INFO L472 AbstractCegarLoop]: Abstraction has 163 states and 361 transitions. [2018-07-25 09:01:24,992 INFO L473 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-25 09:01:24,992 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 361 transitions. [2018-07-25 09:01:24,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-07-25 09:01:24,993 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:01:24,994 INFO L354 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 09:01:24,994 INFO L415 AbstractCegarLoop]: === Iteration 5 === [productErr5ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:01:24,994 INFO L82 PathProgramCache]: Analyzing trace with hash -370364222, now seen corresponding path program 1 times [2018-07-25 09:01:24,994 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:01:32,347 WARN L169 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-07-25 09:04:13,406 WARN L169 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2018-07-25 09:05:36,696 WARN L169 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 Received shutdown request... [2018-07-25 09:05:42,965 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 09:05:42,970 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 09:05:42,971 INFO L202 PluginConnector]: Adding new model threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 09:05:42 BoogieIcfgContainer [2018-07-25 09:05:42,971 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 09:05:42,972 INFO L168 Benchmark]: Toolchain (without parser) took 267914.96 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -274.2 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 448.0 MB). Peak memory consumption was 173.8 MB. Max. memory is 7.1 GB. [2018-07-25 09:05:42,974 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 09:05:42,978 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.66 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 09:05:42,978 INFO L168 Benchmark]: Boogie Preprocessor took 38.70 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 09:05:42,979 INFO L168 Benchmark]: RCFGBuilder took 853.95 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 09:05:42,980 INFO L168 Benchmark]: TraceAbstraction took 266968.28 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -274.2 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 416.2 MB). Peak memory consumption was 142.0 MB. Max. memory is 7.1 GB. [2018-07-25 09:05:42,985 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 48.66 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 38.70 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 853.95 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 266968.28 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -274.2 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 416.2 MB). Peak memory consumption was 142.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 156 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 156 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 156 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 156 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 156 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 156 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 156 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 156 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 156 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 156 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 156 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 156 known predicates. - 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 156 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 156 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 66 locations, 14 error locations. TIMEOUT Result, 266.9s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 7.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 869 SDtfs, 1594 SDslu, 2219 SDs, 0 SdLazy, 2793 SolverSat, 306 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 786 GetRequests, 708 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 1.9s 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 589 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 1.1s 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_Reals.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_09-05-42-999.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/threadpooling_out_Reals.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_09-05-42-999.csv Completed graceful shutdown