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/20170304-DifficultPathPrograms/cggmp2005_variant.c.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 09:14:09,129 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 09:14:09,132 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 09:14:09,144 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 09:14:09,144 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 09:14:09,145 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 09:14:09,146 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 09:14:09,148 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 09:14:09,150 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 09:14:09,151 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 09:14:09,151 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 09:14:09,152 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 09:14:09,153 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 09:14:09,154 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 09:14:09,155 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 09:14:09,156 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 09:14:09,157 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 09:14:09,159 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 09:14:09,161 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 09:14:09,163 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 09:14:09,164 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 09:14:09,165 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 09:14:09,167 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 09:14:09,168 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 09:14:09,168 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 09:14:09,169 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 09:14:09,170 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 09:14:09,170 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 09:14:09,171 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 09:14:09,172 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 09:14:09,173 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 09:14:09,173 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 09:14:09,173 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 09:14:09,174 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 09:14:09,175 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 09:14:09,175 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 09:14:09,176 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr.epf [2018-07-25 09:14:09,184 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 09:14:09,184 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 09:14:09,186 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 09:14:09,186 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 09:14:09,186 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 09:14:09,186 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 09:14:09,230 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 09:14:09,249 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 09:14:09,256 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 09:14:09,257 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 09:14:09,258 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 09:14:09,259 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/cggmp2005_variant.c.i_3.bpl [2018-07-25 09:14:09,259 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/cggmp2005_variant.c.i_3.bpl' [2018-07-25 09:14:09,303 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 09:14:09,305 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 09:14:09,306 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 09:14:09,306 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 09:14:09,306 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 09:14:09,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "cggmp2005_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:14:09" (1/1) ... [2018-07-25 09:14:09,339 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "cggmp2005_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:14:09" (1/1) ... [2018-07-25 09:14:09,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 09:14:09,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 09:14:09,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 09:14:09,349 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 09:14:09,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "cggmp2005_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:14:09" (1/1) ... [2018-07-25 09:14:09,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "cggmp2005_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:14:09" (1/1) ... [2018-07-25 09:14:09,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "cggmp2005_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:14:09" (1/1) ... [2018-07-25 09:14:09,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "cggmp2005_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:14:09" (1/1) ... [2018-07-25 09:14:09,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "cggmp2005_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:14:09" (1/1) ... [2018-07-25 09:14:09,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "cggmp2005_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:14:09" (1/1) ... [2018-07-25 09:14:09,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "cggmp2005_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:14:09" (1/1) ... [2018-07-25 09:14:09,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 09:14:09,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 09:14:09,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 09:14:09,375 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 09:14:09,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "cggmp2005_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:14:09" (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 09:14:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 09:14:09,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 09:14:09,684 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 09:14:09,685 INFO L202 PluginConnector]: Adding new model cggmp2005_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:14:09 BoogieIcfgContainer [2018-07-25 09:14:09,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 09:14:09,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 09:14:09,686 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 09:14:09,690 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 09:14:09,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "cggmp2005_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:14:09" (1/2) ... [2018-07-25 09:14:09,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@478005c5 and model type cggmp2005_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 09:14:09, skipping insertion in model container [2018-07-25 09:14:09,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "cggmp2005_variant.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:14:09" (2/2) ... [2018-07-25 09:14:09,693 INFO L112 eAbstractionObserver]: Analyzing ICFG cggmp2005_variant.c.i_3.bpl [2018-07-25 09:14:09,704 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 09:14:09,712 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 09:14:09,761 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 09:14:09,762 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 09:14:09,762 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 09:14:09,763 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 09:14:09,763 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 09:14:09,763 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 09:14:09,763 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 09:14:09,764 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 09:14:09,764 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 09:14:09,783 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-25 09:14:09,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 09:14:09,794 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:14:09,797 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 09:14:09,799 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:14:09,805 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-07-25 09:14:09,811 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:14:10,008 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:14:10,009 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 09:14:10,014 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 09:14:10,024 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 09:14:10,025 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 09:14:10,038 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-07-25 09:14:10,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:14:10,129 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-25 09:14:10,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 09:14:10,131 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-25 09:14:10,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:14:10,143 INFO L225 Difference]: With dead ends: 10 [2018-07-25 09:14:10,143 INFO L226 Difference]: Without dead ends: 7 [2018-07-25 09:14:10,146 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 09:14:10,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-25 09:14:10,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-25 09:14:10,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 09:14:10,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-25 09:14:10,181 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-25 09:14:10,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:14:10,182 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-25 09:14:10,182 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 09:14:10,182 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-25 09:14:10,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 09:14:10,183 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:14:10,183 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 09:14:10,183 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:14:10,184 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-07-25 09:14:10,184 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:14:10,828 WARN L169 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-07-25 09:14:11,466 WARN L169 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-07-25 09:14:12,127 WARN L169 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 16 [2018-07-25 09:14:14,227 WARN L169 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2018-07-25 09:14:15,166 WARN L169 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 16 [2018-07-25 09:14:15,971 WARN L169 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2018-07-25 09:14:16,589 WARN L169 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-07-25 09:14:17,232 WARN L169 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2018-07-25 09:14:18,045 WARN L169 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2018-07-25 09:14:18,825 WARN L169 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2018-07-25 09:14:19,655 WARN L169 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2018-07-25 09:14:20,738 WARN L169 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2018-07-25 09:14:22,117 WARN L169 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2018-07-25 09:14:23,338 WARN L169 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2018-07-25 09:14:24,613 WARN L169 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2018-07-25 09:14:26,121 WARN L169 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2018-07-25 09:14:27,707 WARN L169 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2018-07-25 09:14:29,522 WARN L169 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2018-07-25 09:14:31,550 WARN L169 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2018-07-25 09:14:33,645 WARN L169 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 286 [2018-07-25 09:14:35,917 WARN L169 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2018-07-25 09:14:38,540 WARN L169 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2018-07-25 09:14:41,223 WARN L169 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2018-07-25 09:14:44,254 WARN L169 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 330 [2018-07-25 09:14:47,981 WARN L169 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 341 [2018-07-25 09:14:51,024 WARN L169 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 16 [2018-07-25 09:14:52,556 WARN L169 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2018-07-25 09:14:56,263 WARN L169 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-07-25 09:15:00,368 WARN L169 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 374 [2018-07-25 09:15:04,641 WARN L169 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2018-07-25 09:15:09,287 WARN L169 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2018-07-25 09:15:14,240 WARN L169 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2018-07-25 09:15:19,744 WARN L169 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2018-07-25 09:15:25,786 WARN L169 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 429 [2018-07-25 09:15:31,964 WARN L169 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 440 [2018-07-25 09:15:38,421 WARN L169 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2018-07-25 09:15:45,225 WARN L169 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 462 [2018-07-25 09:15:52,295 WARN L169 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 473 [2018-07-25 09:15:59,791 WARN L169 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2018-07-25 09:16:07,851 WARN L169 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 495 [2018-07-25 09:16:16,262 WARN L169 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2018-07-25 09:16:25,509 WARN L169 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 517 [2018-07-25 09:16:35,005 WARN L169 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2018-07-25 09:16:45,261 WARN L169 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 539 [2018-07-25 09:16:56,230 WARN L169 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2018-07-25 09:17:07,433 WARN L169 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2018-07-25 09:17:19,127 WARN L169 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2018-07-25 09:17:31,770 WARN L169 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2018-07-25 09:17:44,958 WARN L169 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2018-07-25 09:17:58,716 WARN L169 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2018-07-25 09:18:13,322 WARN L169 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 616 [2018-07-25 09:18:28,505 WARN L169 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 627 [2018-07-25 09:18:44,363 WARN L169 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 638 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown