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/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:58:56,174 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:58:56,176 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:58:56,188 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:58:56,189 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:58:56,190 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:58:56,191 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:58:56,193 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:58:56,194 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:58:56,195 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:58:56,196 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 08:58:56,197 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 08:58:56,197 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 08:58:56,198 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 08:58:56,200 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 08:58:56,200 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 08:58:56,201 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 08:58:56,203 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 08:58:56,205 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 08:58:56,207 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 08:58:56,208 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 08:58:56,210 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 08:58:56,212 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 08:58:56,212 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 08:58:56,213 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 08:58:56,214 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 08:58:56,215 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 08:58:56,215 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 08:58:56,216 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 08:58:56,217 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 08:58:56,218 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 08:58:56,218 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 08:58:56,219 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 08:58:56,219 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 08:58:56,220 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 08:58:56,220 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 08:58:56,221 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 08:58:56,229 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:58:56,229 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:58:56,231 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:58:56,231 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 08:58:56,231 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 08:58:56,231 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:58:56,231 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:58:56,285 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:58:56,298 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:58:56,302 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:58:56,303 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:58:56,304 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:58:56,305 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl [2018-09-26 08:58:56,305 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl' [2018-09-26 08:58:56,377 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:58:56,381 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:58:56,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:58:56,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:58:56,382 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:58:56,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:58:56" (1/1) ... [2018-09-26 08:58:56,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:58:56" (1/1) ... [2018-09-26 08:58:56,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:58:56,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:58:56,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:58:56,427 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:58:56,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:58:56" (1/1) ... [2018-09-26 08:58:56,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:58:56" (1/1) ... [2018-09-26 08:58:56,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:58:56" (1/1) ... [2018-09-26 08:58:56,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:58:56" (1/1) ... [2018-09-26 08:58:56,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:58:56" (1/1) ... [2018-09-26 08:58:56,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:58:56" (1/1) ... [2018-09-26 08:58:56,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:58:56" (1/1) ... [2018-09-26 08:58:56,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:58:56,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:58:56,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:58:56,485 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:58:56,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:58:56" (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 08:58:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 08:58:56,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 08:58:57,690 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 08:58:57,691 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:58:57 BoogieIcfgContainer [2018-09-26 08:58:57,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:58:57,693 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:58:57,693 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:58:57,696 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:58:57,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:58:56" (1/2) ... [2018-09-26 08:58:57,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2040f226 and model type pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:58:57, skipping insertion in model container [2018-09-26 08:58:57,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:58:57" (2/2) ... [2018-09-26 08:58:57,700 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl [2018-09-26 08:58:57,711 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:58:57,720 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:58:57,767 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:58:57,768 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:58:57,768 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:58:57,769 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 08:58:57,769 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:58:57,769 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:58:57,769 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:58:57,769 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:58:57,770 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:58:57,785 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 08:58:57,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 08:58:57,794 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:58:57,795 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 08:58:57,796 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:58:57,802 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:58:57,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1001172, 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 08:58:57,832 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:58:58,569 WARN L178 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2018-09-26 08:58:58,965 WARN L178 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2018-09-26 08:58:59,024 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:58:59,024 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-26 08:58:59,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 08:58:59,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 08:58:59,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-09-26 08:58:59,036 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-09-26 08:58:59,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:58:59,118 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-09-26 08:58:59,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-26 08:58:59,121 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-09-26 08:58:59,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:58:59,133 INFO L225 Difference]: With dead ends: 10 [2018-09-26 08:58:59,133 INFO L226 Difference]: Without dead ends: 7 [2018-09-26 08:58:59,136 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-09-26 08:58:59,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-26 08:58:59,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-26 08:58:59,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 08:58:59,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 08:58:59,174 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-26 08:58:59,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:58:59,174 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-26 08:58:59,174 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 08:58:59,175 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 08:58:59,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 08:58:59,175 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:58:59,175 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-26 08:58:59,176 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:58:59,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:58:59,176 INFO L82 PathProgramCache]: Analyzing trace with hash 962207787, 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 08:58:59,186 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:58:59,573 WARN L178 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2018-09-26 08:59:00,108 WARN L178 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2018-09-26 08:59:00,333 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-09-26 08:59:00,593 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-09-26 08:59:00,961 WARN L178 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 139 [2018-09-26 08:59:01,355 WARN L178 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 251 [2018-09-26 08:59:01,993 WARN L178 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 281 [2018-09-26 08:59:02,449 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2018-09-26 08:59:02,714 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2018-09-26 08:59:03,520 WARN L178 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 285 [2018-09-26 08:59:04,535 WARN L178 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 343 [2018-09-26 08:59:05,137 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 344 [2018-09-26 08:59:06,099 WARN L178 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 423 [2018-09-26 08:59:07,947 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 348 [2018-09-26 08:59:09,250 WARN L178 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 427 [2018-09-26 08:59:12,227 WARN L178 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 436 [2018-09-26 08:59:13,246 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 437 [2018-09-26 08:59:14,985 WARN L178 SmtUtils]: Spent 948.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2018-09-26 08:59:19,169 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 440 [2018-09-26 08:59:20,191 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2018-09-26 08:59:23,038 WARN L178 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 579 DAG size of output: 579 [2018-09-26 08:59:30,801 WARN L178 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 529 [2018-09-26 08:59:32,685 WARN L178 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2018-09-26 08:59:35,828 WARN L178 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 727 [2018-09-26 08:59:47,997 WARN L178 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2018-09-26 08:59:49,791 WARN L178 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2018-09-26 08:59:56,168 WARN L178 SmtUtils]: Spent 4.44 s on a formula simplification. DAG size of input: 730 DAG size of output: 730 [2018-09-26 09:00:19,987 WARN L178 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 623 DAG size of output: 621 [2018-09-26 09:00:24,373 WARN L178 SmtUtils]: Spent 986.00 ms on a formula simplification that was a NOOP. DAG size: 622 [2018-09-26 09:00:31,848 WARN L178 SmtUtils]: Spent 4.34 s on a formula simplification that was a NOOP. DAG size: 878 [2018-09-26 09:01:08,556 WARN L178 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2018-09-26 09:01:12,622 WARN L178 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 627 [2018-09-26 09:01:24,297 WARN L178 SmtUtils]: Spent 8.08 s on a formula simplification. DAG size of input: 882 DAG size of output: 882 [2018-09-26 09:02:23,728 WARN L178 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 717 DAG size of output: 715 [2018-09-26 09:02:31,642 WARN L178 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 716 [2018-09-26 09:02:44,645 WARN L178 SmtUtils]: Spent 8.11 s on a formula simplification that was a NOOP. DAG size: 1030 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown