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-z3.epf -i ../../../trunk/examples/programs/real-life/threadpooling_out_Reals.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 13:40:18,530 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 13:40:18,533 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 13:40:18,552 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 13:40:18,552 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 13:40:18,554 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 13:40:18,555 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 13:40:18,556 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 13:40:18,558 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 13:40:18,559 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 13:40:18,560 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 13:40:18,560 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 13:40:18,561 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 13:40:18,562 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 13:40:18,563 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 13:40:18,564 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 13:40:18,565 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 13:40:18,567 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 13:40:18,572 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 13:40:18,574 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 13:40:18,576 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 13:40:18,580 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 13:40:18,582 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 13:40:18,582 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 13:40:18,582 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 13:40:18,583 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 13:40:18,584 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 13:40:18,585 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 13:40:18,585 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 13:40:18,586 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 13:40:18,587 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 13:40:18,587 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 13:40:18,587 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 13:40:18,588 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 13:40:18,589 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 13:40:18,589 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 13:40:18,589 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-07-25 13:40:18,598 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 13:40:18,598 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 13:40:18,599 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 13:40:18,599 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 13:40:18,600 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-25 13:40:18,600 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:18,600 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 13:40:18,670 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 13:40:18,683 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 13:40:18,687 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 13:40:18,688 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 13:40:18,688 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 13:40:18,689 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out_Reals.bpl [2018-07-25 13:40:18,689 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out_Reals.bpl' [2018-07-25 13:40:18,755 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 13:40:18,757 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 13:40:18,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 13:40:18,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 13:40:18,758 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 13:40:18,778 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 01:40:18" (1/1) ... [2018-07-25 13:40:18,793 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 01:40:18" (1/1) ... [2018-07-25 13:40:18,798 WARN L165 Inliner]: Program contained no entry procedure! [2018-07-25 13:40:18,798 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-07-25 13:40:18,798 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-07-25 13:40:18,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 13:40:18,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 13:40:18,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 13:40:18,802 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 13:40:18,813 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 01:40:18" (1/1) ... [2018-07-25 13:40:18,813 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 01:40:18" (1/1) ... [2018-07-25 13:40:18,816 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 01:40:18" (1/1) ... [2018-07-25 13:40:18,816 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 01:40:18" (1/1) ... [2018-07-25 13:40:18,824 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 01:40:18" (1/1) ... [2018-07-25 13:40:18,831 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 01:40:18" (1/1) ... [2018-07-25 13:40:18,835 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 01:40:18" (1/1) ... [2018-07-25 13:40:18,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 13:40:18,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 13:40:18,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 13:40:18,839 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 13:40:18,840 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 01:40:18" (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 13:40:18,914 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-07-25 13:40:18,915 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-07-25 13:40:18,915 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-07-25 13:40:19,710 INFO L270 CfgBuilder]: Using library mode [2018-07-25 13:40:19,711 INFO L202 PluginConnector]: Adding new model threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:40:19 BoogieIcfgContainer [2018-07-25 13:40:19,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 13:40:19,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 13:40:19,713 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 13:40:19,716 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 13:40:19,716 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 01:40:18" (1/2) ... [2018-07-25 13:40:19,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@644e8932 and model type threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 01:40:19, skipping insertion in model container [2018-07-25 13:40:19,718 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 01:40:19" (2/2) ... [2018-07-25 13:40:19,719 INFO L112 eAbstractionObserver]: Analyzing ICFG threadpooling_out_Reals.bpl [2018-07-25 13:40:19,729 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 13:40:19,742 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 14 error locations. [2018-07-25 13:40:19,791 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 13:40:19,792 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 13:40:19,792 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 13:40:19,793 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 13:40:19,793 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 13:40:19,793 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 13:40:19,793 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 13:40:19,793 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 13:40:19,793 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 13:40:19,819 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2018-07-25 13:40:19,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-07-25 13:40:19,830 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:19,831 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-07-25 13:40:19,833 INFO L415 AbstractCegarLoop]: === Iteration 1 === [productErr2ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:40:19,838 INFO L82 PathProgramCache]: Analyzing trace with hash -2113132074, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:19,852 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:20,414 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:40:20,415 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 13:40:20,418 INFO L451 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-25 13:40:20,423 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-25 13:40:20,424 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-07-25 13:40:20,426 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 7 states. [2018-07-25 13:40:22,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:40:22,525 INFO L93 Difference]: Finished difference Result 213 states and 450 transitions. [2018-07-25 13:40:22,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-25 13:40:22,528 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 7 [2018-07-25 13:40:22,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:40:22,546 INFO L225 Difference]: With dead ends: 213 [2018-07-25 13:40:22,547 INFO L226 Difference]: Without dead ends: 201 [2018-07-25 13:40:22,551 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 13:40:22,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-07-25 13:40:22,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 95. [2018-07-25 13:40:22,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-07-25 13:40:22,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 199 transitions. [2018-07-25 13:40:22,613 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 199 transitions. Word has length 7 [2018-07-25 13:40:22,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:40:22,614 INFO L472 AbstractCegarLoop]: Abstraction has 95 states and 199 transitions. [2018-07-25 13:40:22,614 INFO L473 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-25 13:40:22,614 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 199 transitions. [2018-07-25 13:40:22,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-07-25 13:40:22,615 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:22,615 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-07-25 13:40:22,616 INFO L415 AbstractCegarLoop]: === Iteration 2 === [productErr2ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:40:22,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1894705935, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:22,628 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:22,861 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:40:22,861 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 13:40:22,862 INFO L451 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-25 13:40:22,863 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-25 13:40:22,863 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-07-25 13:40:22,864 INFO L87 Difference]: Start difference. First operand 95 states and 199 transitions. Second operand 7 states. [2018-07-25 13:40:23,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:40:23,834 INFO L93 Difference]: Finished difference Result 234 states and 505 transitions. [2018-07-25 13:40:23,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-25 13:40:23,834 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 7 [2018-07-25 13:40:23,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:40:23,839 INFO L225 Difference]: With dead ends: 234 [2018-07-25 13:40:23,840 INFO L226 Difference]: Without dead ends: 229 [2018-07-25 13:40:23,841 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 13:40:23,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-07-25 13:40:23,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 110. [2018-07-25 13:40:23,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-07-25 13:40:23,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 237 transitions. [2018-07-25 13:40:23,874 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 237 transitions. Word has length 7 [2018-07-25 13:40:23,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:40:23,875 INFO L472 AbstractCegarLoop]: Abstraction has 110 states and 237 transitions. [2018-07-25 13:40:23,875 INFO L473 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-25 13:40:23,875 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 237 transitions. [2018-07-25 13:40:23,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-07-25 13:40:23,877 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:23,877 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 13:40:23,877 INFO L415 AbstractCegarLoop]: === Iteration 3 === [productErr2ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:40:23,878 INFO L82 PathProgramCache]: Analyzing trace with hash 672968560, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:23,900 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:24,126 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:40:24,127 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-25 13:40:24,127 INFO L451 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-25 13:40:24,127 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-25 13:40:24,127 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-07-25 13:40:24,128 INFO L87 Difference]: Start difference. First operand 110 states and 237 transitions. Second operand 8 states. [2018-07-25 13:40:24,734 WARN L169 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-07-25 13:40:27,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:40:27,056 INFO L93 Difference]: Finished difference Result 316 states and 696 transitions. [2018-07-25 13:40:27,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-07-25 13:40:27,057 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 9 [2018-07-25 13:40:27,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:40:27,061 INFO L225 Difference]: With dead ends: 316 [2018-07-25 13:40:27,061 INFO L226 Difference]: Without dead ends: 311 [2018-07-25 13:40:27,062 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=127, Invalid=523, Unknown=0, NotChecked=0, Total=650 [2018-07-25 13:40:27,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-07-25 13:40:27,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 145. [2018-07-25 13:40:27,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-07-25 13:40:27,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 321 transitions. [2018-07-25 13:40:27,094 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 321 transitions. Word has length 9 [2018-07-25 13:40:27,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:40:27,095 INFO L472 AbstractCegarLoop]: Abstraction has 145 states and 321 transitions. [2018-07-25 13:40:27,095 INFO L473 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-25 13:40:27,095 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 321 transitions. [2018-07-25 13:40:27,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-07-25 13:40:27,096 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:27,097 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 13:40:27,097 INFO L415 AbstractCegarLoop]: === Iteration 4 === [productErr2ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:40:27,097 INFO L82 PathProgramCache]: Analyzing trace with hash 2061636985, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:27,117 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:27,465 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:40:27,465 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-25 13:40:27,466 INFO L451 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-25 13:40:27,466 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-25 13:40:27,466 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-07-25 13:40:27,467 INFO L87 Difference]: Start difference. First operand 145 states and 321 transitions. Second operand 8 states. [2018-07-25 13:40:28,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:40:28,966 INFO L93 Difference]: Finished difference Result 366 states and 818 transitions. [2018-07-25 13:40:28,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-07-25 13:40:28,967 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 9 [2018-07-25 13:40:28,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:40:28,972 INFO L225 Difference]: With dead ends: 366 [2018-07-25 13:40:28,972 INFO L226 Difference]: Without dead ends: 361 [2018-07-25 13:40:28,973 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 13:40:28,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2018-07-25 13:40:29,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 163. [2018-07-25 13:40:29,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-07-25 13:40:29,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 361 transitions. [2018-07-25 13:40:29,011 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 361 transitions. Word has length 9 [2018-07-25 13:40:29,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:40:29,012 INFO L472 AbstractCegarLoop]: Abstraction has 163 states and 361 transitions. [2018-07-25 13:40:29,012 INFO L473 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-25 13:40:29,012 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 361 transitions. [2018-07-25 13:40:29,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-07-25 13:40:29,014 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:29,014 INFO L354 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 13:40:29,014 INFO L415 AbstractCegarLoop]: === Iteration 5 === [productErr2ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:40:29,015 INFO L82 PathProgramCache]: Analyzing trace with hash -370364222, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:29,031 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:36,361 WARN L169 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-07-25 13:43:18,509 WARN L169 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2018-07-25 13:44:43,195 WARN L169 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 Received shutdown request... [2018-07-25 13:44:46,574 WARN L513 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:44:46,574 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 13:44:46,580 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 13:44:46,581 INFO L202 PluginConnector]: Adding new model threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 01:44:46 BoogieIcfgContainer [2018-07-25 13:44:46,581 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 13:44:46,582 INFO L168 Benchmark]: Toolchain (without parser) took 267826.37 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -248.5 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 407.9 MB). Peak memory consumption was 159.4 MB. Max. memory is 7.1 GB. [2018-07-25 13:44:46,585 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 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 13:44:46,586 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.30 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 13:44:46,586 INFO L168 Benchmark]: Boogie Preprocessor took 37.04 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 13:44:46,588 INFO L168 Benchmark]: RCFGBuilder took 872.48 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-07-25 13:44:46,591 INFO L168 Benchmark]: TraceAbstraction took 266868.76 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -248.5 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 376.2 MB). Peak memory consumption was 127.7 MB. Max. memory is 7.1 GB. [2018-07-25 13:44:46,598 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 0.16 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 43.30 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 37.04 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 872.48 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 266868.76 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -248.5 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 376.2 MB). Peak memory consumption was 127.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 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: 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: 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. - 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: 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: 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: 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: 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: 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: 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: 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: 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: 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 66 locations, 14 error locations. TIMEOUT Result, 266.7s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 7.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 869 SDtfs, 1594 SDslu, 2219 SDs, 0 SdLazy, 2793 SolverSat, 306 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 786 GetRequests, 708 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 2.0s 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: 1.2s 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-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_13-44-46-620.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/threadpooling_out_Reals.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_13-44-46-620.csv Completed graceful shutdown