java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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/hhk2008.c.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:50:13,296 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:50:13,299 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:50:13,315 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:50:13,315 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:50:13,316 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:50:13,317 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:50:13,319 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:50:13,321 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:50:13,322 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:50:13,323 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 08:50:13,323 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 08:50:13,324 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 08:50:13,325 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 08:50:13,326 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 08:50:13,327 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 08:50:13,327 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 08:50:13,329 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 08:50:13,331 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 08:50:13,333 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 08:50:13,334 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 08:50:13,335 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 08:50:13,341 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 08:50:13,342 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 08:50:13,342 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 08:50:13,343 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 08:50:13,344 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 08:50:13,346 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 08:50:13,346 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 08:50:13,349 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 08:50:13,349 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 08:50:13,350 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 08:50:13,350 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 08:50:13,350 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 08:50:13,352 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 08:50:13,353 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 08:50:13,355 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-09-26 08:50:13,370 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:50:13,370 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:50:13,372 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:50:13,373 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 08:50:13,373 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 08:50:13,373 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:50:13,373 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:50:13,438 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:50:13,449 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:50:13,453 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:50:13,454 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:50:13,455 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:50:13,455 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/hhk2008.c.i_3.bpl [2018-09-26 08:50:13,455 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/hhk2008.c.i_3.bpl' [2018-09-26 08:50:13,496 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:50:13,499 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:50:13,500 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:50:13,500 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:50:13,500 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:50:13,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "hhk2008.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:50:13" (1/1) ... [2018-09-26 08:50:13,536 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "hhk2008.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:50:13" (1/1) ... [2018-09-26 08:50:13,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:50:13,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:50:13,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:50:13,544 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:50:13,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "hhk2008.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:50:13" (1/1) ... [2018-09-26 08:50:13,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "hhk2008.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:50:13" (1/1) ... [2018-09-26 08:50:13,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "hhk2008.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:50:13" (1/1) ... [2018-09-26 08:50:13,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "hhk2008.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:50:13" (1/1) ... [2018-09-26 08:50:13,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "hhk2008.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:50:13" (1/1) ... [2018-09-26 08:50:13,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "hhk2008.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:50:13" (1/1) ... [2018-09-26 08:50:13,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "hhk2008.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:50:13" (1/1) ... [2018-09-26 08:50:13,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:50:13,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:50:13,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:50:13,573 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:50:13,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "hhk2008.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:50:13" (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 [2018-09-26 08:50:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 08:50:13,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 08:50:13,793 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 08:50:13,793 INFO L202 PluginConnector]: Adding new model hhk2008.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:50:13 BoogieIcfgContainer [2018-09-26 08:50:13,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:50:13,795 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:50:13,795 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:50:13,798 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:50:13,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "hhk2008.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:50:13" (1/2) ... [2018-09-26 08:50:13,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a6bbc3 and model type hhk2008.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:50:13, skipping insertion in model container [2018-09-26 08:50:13,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "hhk2008.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:50:13" (2/2) ... [2018-09-26 08:50:13,802 INFO L112 eAbstractionObserver]: Analyzing ICFG hhk2008.c.i_3.bpl [2018-09-26 08:50:13,811 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:50:13,819 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:50:13,866 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:50:13,866 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:50:13,867 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:50:13,867 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 08:50:13,867 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:50:13,867 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:50:13,867 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:50:13,868 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:50:13,868 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:50:13,882 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 08:50:13,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 08:50:13,891 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:50:13,892 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 08:50:13,893 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:50:13,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:50:13,899 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 [2018-09-26 08:50:13,927 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:50:14,276 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:50:14,277 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 08:50:14,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 08:50:14,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 08:50:14,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:50:14,290 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-09-26 08:50:14,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:50:14,339 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-09-26 08:50:14,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 08:50:14,341 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-09-26 08:50:14,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:50:14,352 INFO L225 Difference]: With dead ends: 10 [2018-09-26 08:50:14,353 INFO L226 Difference]: Without dead ends: 7 [2018-09-26 08:50:14,356 INFO L605 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 [2018-09-26 08:50:14,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-26 08:50:14,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-26 08:50:14,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 08:50:14,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 08:50:14,399 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-26 08:50:14,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:50:14,400 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-26 08:50:14,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 08:50:14,400 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 08:50:14,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 08:50:14,401 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:50:14,402 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-26 08:50:14,402 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:50:14,402 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:50:14,402 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 [2018-09-26 08:50:14,414 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:50:14,914 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 15 [2018-09-26 08:50:17,558 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-09-26 08:50:18,681 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2018-09-26 08:50:19,566 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2018-09-26 08:50:20,092 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-09-26 08:50:20,699 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-09-26 08:50:21,565 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2018-09-26 08:50:22,297 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2018-09-26 08:50:23,089 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-09-26 08:50:24,008 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2018-09-26 08:50:25,240 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2018-09-26 08:50:26,356 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2018-09-26 08:50:27,554 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2018-09-26 08:50:29,038 WARN L178 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2018-09-26 08:50:30,578 WARN L178 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2018-09-26 08:50:32,247 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2018-09-26 08:50:34,087 WARN L178 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2018-09-26 08:50:36,048 WARN L178 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2018-09-26 08:50:38,268 WARN L178 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2018-09-26 08:50:40,748 WARN L178 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2018-09-26 08:50:43,343 WARN L178 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2018-09-26 08:50:46,208 WARN L178 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 274 [2018-09-26 08:50:49,799 WARN L178 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2018-09-26 08:50:52,593 WARN L178 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 16 [2018-09-26 08:50:54,106 WARN L178 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2018-09-26 08:50:57,566 WARN L178 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2018-09-26 08:51:00,390 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 16 [2018-09-26 08:51:01,526 WARN L178 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2018-09-26 08:51:05,647 WARN L178 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2018-09-26 08:51:09,936 WARN L178 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2018-09-26 08:51:14,723 WARN L178 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2018-09-26 08:51:19,830 WARN L178 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2018-09-26 08:51:25,078 WARN L178 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 355 [2018-09-26 08:51:30,606 WARN L178 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 364 [2018-09-26 08:51:36,713 WARN L178 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2018-09-26 08:51:43,289 WARN L178 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2018-09-26 08:51:50,053 WARN L178 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2018-09-26 08:51:57,292 WARN L178 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2018-09-26 08:52:04,810 WARN L178 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2018-09-26 08:52:12,875 WARN L178 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2018-09-26 08:52:21,651 WARN L178 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 427 [2018-09-26 08:52:30,843 WARN L178 SmtUtils]: Spent 534.00 ms on a formula simplification that was a NOOP. DAG size: 436 [2018-09-26 08:52:40,465 WARN L178 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2018-09-26 08:52:50,523 WARN L178 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2018-09-26 08:53:01,312 WARN L178 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 463 [2018-09-26 08:53:12,546 WARN L178 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2018-09-26 08:53:24,609 WARN L178 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 481 [2018-09-26 08:53:37,289 WARN L178 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 490 [2018-09-26 08:53:50,437 WARN L178 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2018-09-26 08:54:04,112 WARN L178 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 508 [2018-09-26 08:54:18,985 WARN L178 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 517 [2018-09-26 08:54:34,042 WARN L178 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 526 [2018-09-26 08:54:49,766 WARN L178 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 535 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown