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/toy/tooDifficultLoopInvariant/ValueTerminatedArrayIteration01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 15:01:30,450 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 15:01:30,453 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 15:01:30,471 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 15:01:30,471 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 15:01:30,474 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 15:01:30,475 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 15:01:30,478 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 15:01:30,482 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 15:01:30,483 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 15:01:30,484 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 15:01:30,485 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 15:01:30,488 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 15:01:30,489 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 15:01:30,493 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 15:01:30,494 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 15:01:30,497 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 15:01:30,500 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 15:01:30,509 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 15:01:30,513 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 15:01:30,515 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 15:01:30,517 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 15:01:30,522 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 15:01:30,522 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 15:01:30,522 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 15:01:30,523 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 15:01:30,526 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 15:01:30,528 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 15:01:30,529 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 15:01:30,531 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 15:01:30,531 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 15:01:30,532 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 15:01:30,534 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 15:01:30,534 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 15:01:30,535 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 15:01:30,537 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 15:01:30,538 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 15:01:30,556 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 15:01:30,556 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 15:01:30,558 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-25 15:01:30,559 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-25 15:01:30,559 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 15:01:30,559 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 15:01:30,559 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 15:01:30,559 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 15:01:30,640 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 15:01:30,660 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 15:01:30,667 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 15:01:30,669 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 15:01:30,669 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 15:01:30,670 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ValueTerminatedArrayIteration01.bpl [2018-07-25 15:01:30,670 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ValueTerminatedArrayIteration01.bpl' [2018-07-25 15:01:30,730 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 15:01:30,732 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 15:01:30,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 15:01:30,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 15:01:30,734 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 15:01:30,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 03:01:30" (1/1) ... [2018-07-25 15:01:30,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 03:01:30" (1/1) ... [2018-07-25 15:01:30,777 WARN L165 Inliner]: Program contained no entry procedure! [2018-07-25 15:01:30,778 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-07-25 15:01:30,778 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-07-25 15:01:30,780 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 15:01:30,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 15:01:30,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 15:01:30,781 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 15:01:30,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 03:01:30" (1/1) ... [2018-07-25 15:01:30,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 03:01:30" (1/1) ... [2018-07-25 15:01:30,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 03:01:30" (1/1) ... [2018-07-25 15:01:30,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 03:01:30" (1/1) ... [2018-07-25 15:01:30,799 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 03:01:30" (1/1) ... [2018-07-25 15:01:30,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 03:01:30" (1/1) ... [2018-07-25 15:01:30,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 03:01:30" (1/1) ... [2018-07-25 15:01:30,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 15:01:30,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 15:01:30,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 15:01:30,807 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 15:01:30,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 03:01:30" (1/1) ... [2018-07-25 15:01:30,891 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-07-25 15:01:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-25 15:01:30,891 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-25 15:01:31,014 INFO L270 CfgBuilder]: Using library mode [2018-07-25 15:01:31,015 INFO L202 PluginConnector]: Adding new model ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 03:01:31 BoogieIcfgContainer [2018-07-25 15:01:31,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 15:01:31,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 15:01:31,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 15:01:31,020 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 15:01:31,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 03:01:30" (1/2) ... [2018-07-25 15:01:31,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ad2964d and model type ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 03:01:31, skipping insertion in model container [2018-07-25 15:01:31,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 03:01:31" (2/2) ... [2018-07-25 15:01:31,024 INFO L112 eAbstractionObserver]: Analyzing ICFG ValueTerminatedArrayIteration01.bpl [2018-07-25 15:01:31,035 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 15:01:31,043 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 15:01:31,098 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 15:01:31,099 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 15:01:31,099 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 15:01:31,099 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 15:01:31,099 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 15:01:31,100 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 15:01:31,100 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 15:01:31,101 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 15:01:31,102 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 15:01:31,121 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-07-25 15:01:31,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-25 15:01:31,131 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 15:01:31,132 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-25 15:01:31,134 INFO L415 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 15:01:31,144 INFO L82 PathProgramCache]: Analyzing trace with hash 29984, now seen corresponding path program 1 times [2018-07-25 15:01:31,151 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 15:01:31,254 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 15:01:31,255 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 15:01:31,260 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 15:01:31,267 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 15:01:31,268 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-07-25 15:01:31,271 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 4 states. [2018-07-25 15:01:31,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 15:01:31,309 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2018-07-25 15:01:31,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 15:01:31,314 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2018-07-25 15:01:31,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 15:01:31,326 INFO L225 Difference]: With dead ends: 8 [2018-07-25 15:01:31,326 INFO L226 Difference]: Without dead ends: 5 [2018-07-25 15:01:31,331 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-07-25 15:01:31,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-07-25 15:01:31,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-07-25 15:01:31,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-07-25 15:01:31,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-07-25 15:01:31,367 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2018-07-25 15:01:31,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 15:01:31,367 INFO L472 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-07-25 15:01:31,368 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 15:01:31,368 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-07-25 15:01:31,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 15:01:31,368 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 15:01:31,369 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 15:01:31,369 INFO L415 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 15:01:31,370 INFO L82 PathProgramCache]: Analyzing trace with hash 927558, now seen corresponding path program 1 times [2018-07-25 15:01:31,370 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 15:01:35,552 WARN L169 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-07-25 15:01:36,268 WARN L169 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-07-25 15:01:37,002 WARN L169 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-07-25 15:01:37,791 WARN L169 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-07-25 15:01:38,513 WARN L169 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2018-07-25 15:01:39,396 WARN L169 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2018-07-25 15:01:40,316 WARN L169 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-07-25 15:01:41,357 WARN L169 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-07-25 15:01:42,393 WARN L169 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2018-07-25 15:01:43,669 WARN L169 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2018-07-25 15:01:44,998 WARN L169 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2018-07-25 15:01:46,436 WARN L169 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2018-07-25 15:01:47,941 WARN L169 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2018-07-25 15:01:49,508 WARN L169 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2018-07-25 15:01:51,222 WARN L169 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2018-07-25 15:01:53,013 WARN L169 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2018-07-25 15:01:54,687 WARN L169 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2018-07-25 15:01:56,597 WARN L169 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2018-07-25 15:01:58,629 WARN L169 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2018-07-25 15:02:00,359 WARN L169 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 274 [2018-07-25 15:02:02,193 WARN L169 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2018-07-25 15:02:04,133 WARN L169 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 290 [2018-07-25 15:02:06,294 WARN L169 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2018-07-25 15:02:08,629 WARN L169 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 306 [2018-07-25 15:02:11,201 WARN L169 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 314 [2018-07-25 15:02:13,970 WARN L169 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2018-07-25 15:02:16,962 WARN L169 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 330 [2018-07-25 15:02:20,639 WARN L169 SmtUtils]: Spent 561.00 ms on a formula simplification that was a NOOP. DAG size: 338 [2018-07-25 15:02:24,521 WARN L169 SmtUtils]: Spent 529.00 ms on a formula simplification that was a NOOP. DAG size: 345 [2018-07-25 15:02:28,213 WARN L169 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 353 [2018-07-25 15:02:32,577 WARN L169 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 361 [2018-07-25 15:02:37,184 WARN L169 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 369 [2018-07-25 15:02:41,760 WARN L169 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2018-07-25 15:02:46,757 WARN L169 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2018-07-25 15:02:52,169 WARN L169 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2018-07-25 15:02:58,128 WARN L169 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2018-07-25 15:03:04,273 WARN L169 SmtUtils]: Spent 872.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2018-07-25 15:03:10,775 WARN L169 SmtUtils]: Spent 907.00 ms on a formula simplification that was a NOOP. DAG size: 417 [2018-07-25 15:03:17,591 WARN L169 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 425 [2018-07-25 15:03:24,767 WARN L169 SmtUtils]: Spent 998.00 ms on a formula simplification that was a NOOP. DAG size: 433 [2018-07-25 15:03:32,401 WARN L169 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 441 [2018-07-25 15:03:40,599 WARN L169 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 449 [2018-07-25 15:03:49,473 WARN L169 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 457 [2018-07-25 15:03:58,698 WARN L169 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 465 [2018-07-25 15:04:09,058 WARN L169 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 473 [2018-07-25 15:04:19,522 WARN L169 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 481 [2018-07-25 15:04:30,529 WARN L169 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 489 [2018-07-25 15:04:42,621 WARN L169 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 497 [2018-07-25 15:04:55,141 WARN L169 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 505 [2018-07-25 15:05:08,461 WARN L169 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 513 [2018-07-25 15:05:22,691 WARN L169 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 521 [2018-07-25 15:05:37,620 WARN L169 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 529 [2018-07-25 15:05:52,255 WARN L169 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 537 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown