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/20170304-DifficultPathPrograms/cggmp2005.c.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 13:52:17,246 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 13:52:17,248 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 13:52:17,262 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 13:52:17,262 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 13:52:17,263 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 13:52:17,264 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 13:52:17,266 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 13:52:17,268 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 13:52:17,268 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 13:52:17,269 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 13:52:17,270 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 13:52:17,270 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 13:52:17,271 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 13:52:17,273 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 13:52:17,273 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 13:52:17,274 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 13:52:17,276 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 13:52:17,278 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 13:52:17,280 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 13:52:17,281 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 13:52:17,282 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 13:52:17,284 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 13:52:17,285 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 13:52:17,285 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 13:52:17,286 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 13:52:17,287 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 13:52:17,287 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 13:52:17,288 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 13:52:17,289 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 13:52:17,290 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 13:52:17,290 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 13:52:17,291 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 13:52:17,291 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 13:52:17,292 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 13:52:17,293 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 13:52:17,293 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 13:52:17,303 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 13:52:17,303 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 13:52:17,305 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 13:52:17,305 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 13:52:17,305 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-25 13:52:17,305 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:52:17,305 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 13:52:17,357 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 13:52:17,378 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 13:52:17,385 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 13:52:17,386 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 13:52:17,387 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 13:52:17,388 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/cggmp2005.c.i_3.bpl [2018-07-25 13:52:17,388 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/cggmp2005.c.i_3.bpl' [2018-07-25 13:52:17,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 13:52:17,445 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 13:52:17,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 13:52:17,449 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 13:52:17,449 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 13:52:17,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:52:17" (1/1) ... [2018-07-25 13:52:17,481 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:52:17" (1/1) ... [2018-07-25 13:52:17,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 13:52:17,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 13:52:17,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 13:52:17,489 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 13:52:17,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:52:17" (1/1) ... [2018-07-25 13:52:17,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:52:17" (1/1) ... [2018-07-25 13:52:17,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:52:17" (1/1) ... [2018-07-25 13:52:17,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:52:17" (1/1) ... [2018-07-25 13:52:17,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:52:17" (1/1) ... [2018-07-25 13:52:17,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:52:17" (1/1) ... [2018-07-25 13:52:17,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:52:17" (1/1) ... [2018-07-25 13:52:17,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 13:52:17,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 13:52:17,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 13:52:17,508 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 13:52:17,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:52:17" (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 13:52:17,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 13:52:17,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 13:52:17,830 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 13:52:17,831 INFO L202 PluginConnector]: Adding new model cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:52:17 BoogieIcfgContainer [2018-07-25 13:52:17,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 13:52:17,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 13:52:17,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 13:52:17,836 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 13:52:17,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:52:17" (1/2) ... [2018-07-25 13:52:17,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@356d907f and model type cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 01:52:17, skipping insertion in model container [2018-07-25 13:52:17,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "cggmp2005.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:52:17" (2/2) ... [2018-07-25 13:52:17,840 INFO L112 eAbstractionObserver]: Analyzing ICFG cggmp2005.c.i_3.bpl [2018-07-25 13:52:17,850 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 13:52:17,859 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 13:52:17,907 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 13:52:17,908 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 13:52:17,909 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 13:52:17,909 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 13:52:17,909 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 13:52:17,909 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 13:52:17,909 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 13:52:17,910 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 13:52:17,910 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 13:52:17,925 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-25 13:52:17,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 13:52:17,933 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:52:17,934 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 13:52:17,936 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:52:17,942 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, 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 13:52:17,967 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:52:18,338 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:52:18,339 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 13:52:18,343 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 13:52:18,349 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 13:52:18,349 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 13:52:18,352 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-07-25 13:52:18,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:52:18,386 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-25 13:52:18,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 13:52:18,389 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-25 13:52:18,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:52:18,400 INFO L225 Difference]: With dead ends: 10 [2018-07-25 13:52:18,400 INFO L226 Difference]: Without dead ends: 7 [2018-07-25 13:52:18,404 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 13:52:18,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-25 13:52:18,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-25 13:52:18,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 13:52:18,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-25 13:52:18,440 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-25 13:52:18,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:52:18,441 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-25 13:52:18,441 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 13:52:18,441 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-25 13:52:18,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 13:52:18,442 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:52:18,442 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 13:52:18,442 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:52:18,443 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, 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 13:52:18,462 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:52:19,230 WARN L169 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2018-07-25 13:52:19,643 WARN L169 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-07-25 13:52:20,413 WARN L169 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2018-07-25 13:52:21,501 WARN L169 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2018-07-25 13:52:22,613 WARN L169 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2018-07-25 13:52:24,149 WARN L169 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-07-25 13:52:24,763 WARN L169 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2018-07-25 13:52:25,646 WARN L169 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2018-07-25 13:52:26,457 WARN L169 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2018-07-25 13:52:27,418 WARN L169 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2018-07-25 13:52:28,476 WARN L169 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2018-07-25 13:52:30,016 WARN L169 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2018-07-25 13:52:31,359 WARN L169 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2018-07-25 13:52:32,772 WARN L169 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2018-07-25 13:52:34,341 WARN L169 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2018-07-25 13:52:36,141 WARN L169 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2018-07-25 13:52:38,094 WARN L169 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2018-07-25 13:52:40,146 WARN L169 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2018-07-25 13:52:42,472 WARN L169 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 286 [2018-07-25 13:52:45,005 WARN L169 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2018-07-25 13:52:47,726 WARN L169 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2018-07-25 13:52:50,689 WARN L169 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2018-07-25 13:52:54,239 WARN L169 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 330 [2018-07-25 13:52:58,206 WARN L169 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 341 [2018-07-25 13:53:01,357 WARN L169 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2018-07-25 13:53:02,986 WARN L169 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2018-07-25 13:53:06,795 WARN L169 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-07-25 13:53:11,272 WARN L169 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 374 [2018-07-25 13:53:15,904 WARN L169 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2018-07-25 13:53:20,923 WARN L169 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2018-07-25 13:53:26,328 WARN L169 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2018-07-25 13:53:32,076 WARN L169 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2018-07-25 13:53:38,244 WARN L169 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 429 [2018-07-25 13:53:44,763 WARN L169 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 440 [2018-07-25 13:53:51,741 WARN L169 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2018-07-25 13:53:59,191 WARN L169 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 462 [2018-07-25 13:54:07,409 WARN L169 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 473 [2018-07-25 13:54:15,676 WARN L169 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2018-07-25 13:54:24,619 WARN L169 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 495 [2018-07-25 13:54:33,949 WARN L169 SmtUtils]: Spent 561.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2018-07-25 13:54:43,943 WARN L169 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 517 [2018-07-25 13:54:54,486 WARN L169 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2018-07-25 13:55:05,391 WARN L169 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 539 [2018-07-25 13:55:17,227 WARN L169 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2018-07-25 13:55:29,831 WARN L169 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2018-07-25 13:55:42,983 WARN L169 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2018-07-25 13:55:56,644 WARN L169 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2018-07-25 13:56:11,220 WARN L169 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2018-07-25 13:56:26,204 WARN L169 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2018-07-25 13:56:41,841 WARN L169 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 616 [2018-07-25 13:56:58,238 WARN L169 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 627 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown