java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-smtinterpol.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 14:38:42,086 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 14:38:42,088 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 14:38:42,106 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 14:38:42,107 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 14:38:42,108 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 14:38:42,111 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 14:38:42,114 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 14:38:42,117 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 14:38:42,118 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 14:38:42,119 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 14:38:42,120 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 14:38:42,121 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 14:38:42,122 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 14:38:42,123 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 14:38:42,124 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 14:38:42,125 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 14:38:42,129 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 14:38:42,134 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 14:38:42,139 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 14:38:42,140 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 14:38:42,145 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 14:38:42,147 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 14:38:42,147 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 14:38:42,148 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 14:38:42,152 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 14:38:42,154 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 14:38:42,154 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 14:38:42,155 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 14:38:42,156 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 14:38:42,159 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 14:38:42,160 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 14:38:42,161 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 14:38:42,161 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 14:38:42,164 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 14:38:42,165 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 14:38:42,165 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-smtinterpol.epf [2018-07-25 14:38:42,175 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 14:38:42,175 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 14:38:42,177 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-25 14:38:42,177 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-25 14:38:42,177 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 14:38:42,178 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 14:38:42,178 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 14:38:42,178 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 14:38:42,224 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 14:38:42,238 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 14:38:42,242 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 14:38:42,244 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 14:38:42,244 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 14:38:42,245 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl [2018-07-25 14:38:42,246 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl' [2018-07-25 14:38:42,304 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 14:38:42,306 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 14:38:42,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 14:38:42,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 14:38:42,307 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 14:38:42,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:38:42" (1/1) ... [2018-07-25 14:38:42,342 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:38:42" (1/1) ... [2018-07-25 14:38:42,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 14:38:42,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 14:38:42,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 14:38:42,350 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 14:38:42,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:38:42" (1/1) ... [2018-07-25 14:38:42,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:38:42" (1/1) ... [2018-07-25 14:38:42,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:38:42" (1/1) ... [2018-07-25 14:38:42,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:38:42" (1/1) ... [2018-07-25 14:38:42,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:38:42" (1/1) ... [2018-07-25 14:38:42,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:38:42" (1/1) ... [2018-07-25 14:38:42,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:38:42" (1/1) ... [2018-07-25 14:38:42,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 14:38:42,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 14:38:42,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 14:38:42,373 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 14:38:42,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:38:42" (1/1) ... [2018-07-25 14:38:42,462 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-07-25 14:38:42,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 14:38:42,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 14:38:42,644 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 14:38:42,645 INFO L202 PluginConnector]: Adding new model nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:38:42 BoogieIcfgContainer [2018-07-25 14:38:42,645 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 14:38:42,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 14:38:42,649 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 14:38:42,653 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 14:38:42,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:38:42" (1/2) ... [2018-07-25 14:38:42,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43bc0bd9 and model type nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 02:38:42, skipping insertion in model container [2018-07-25 14:38:42,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:38:42" (2/2) ... [2018-07-25 14:38:42,658 INFO L112 eAbstractionObserver]: Analyzing ICFG nested1.i_4.bplTransformedIcfg_BEv2_12.bpl [2018-07-25 14:38:42,671 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 14:38:42,681 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 14:38:42,739 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 14:38:42,740 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 14:38:42,740 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 14:38:42,741 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 14:38:42,741 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 14:38:42,741 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 14:38:42,741 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 14:38:42,741 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 14:38:42,742 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 14:38:42,757 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-07-25 14:38:42,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-25 14:38:42,767 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:38:42,769 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-25 14:38:42,770 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:38:42,776 INFO L82 PathProgramCache]: Analyzing trace with hash 29955, now seen corresponding path program 1 times [2018-07-25 14:38:42,783 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:38:42,950 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:38:42,950 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 14:38:42,955 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 14:38:42,963 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 14:38:42,964 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 14:38:42,966 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-07-25 14:38:43,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:38:43,013 INFO L93 Difference]: Finished difference Result 10 states and 15 transitions. [2018-07-25 14:38:43,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 14:38:43,020 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-07-25 14:38:43,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:38:43,032 INFO L225 Difference]: With dead ends: 10 [2018-07-25 14:38:43,033 INFO L226 Difference]: Without dead ends: 6 [2018-07-25 14:38:43,036 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 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 14:38:43,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2018-07-25 14:38:43,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2018-07-25 14:38:43,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-07-25 14:38:43,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2018-07-25 14:38:43,074 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 7 transitions. Word has length 3 [2018-07-25 14:38:43,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:38:43,075 INFO L472 AbstractCegarLoop]: Abstraction has 6 states and 7 transitions. [2018-07-25 14:38:43,075 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 14:38:43,075 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-07-25 14:38:43,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-07-25 14:38:43,076 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:38:43,076 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-07-25 14:38:43,077 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:38:43,077 INFO L82 PathProgramCache]: Analyzing trace with hash 28854189, now seen corresponding path program 1 times [2018-07-25 14:38:43,077 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:38:43,325 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:38:43,326 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 14:38:43,327 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 14:38:43,329 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 14:38:43,330 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-25 14:38:43,330 INFO L87 Difference]: Start difference. First operand 6 states and 7 transitions. Second operand 4 states. [2018-07-25 14:38:43,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:38:43,443 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2018-07-25 14:38:43,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-25 14:38:43,445 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2018-07-25 14:38:43,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:38:43,446 INFO L225 Difference]: With dead ends: 10 [2018-07-25 14:38:43,446 INFO L226 Difference]: Without dead ends: 8 [2018-07-25 14:38:43,448 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-07-25 14:38:43,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-07-25 14:38:43,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2018-07-25 14:38:43,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 14:38:43,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2018-07-25 14:38:43,461 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 9 transitions. Word has length 5 [2018-07-25 14:38:43,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:38:43,461 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 9 transitions. [2018-07-25 14:38:43,462 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 14:38:43,462 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-07-25 14:38:43,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 14:38:43,462 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:38:43,462 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-25 14:38:43,463 INFO L415 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:38:43,463 INFO L82 PathProgramCache]: Analyzing trace with hash 894431694, now seen corresponding path program 1 times [2018-07-25 14:38:43,463 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:38:50,125 WARN L169 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2018-07-25 14:38:55,698 WARN L169 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-07-25 14:38:58,094 WARN L169 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-07-25 14:39:02,430 WARN L169 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-07-25 14:39:07,471 WARN L169 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-07-25 14:39:13,875 WARN L169 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-07-25 14:39:16,363 WARN L169 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-07-25 14:39:20,427 WARN L169 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-07-25 14:39:29,757 WARN L169 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2018-07-25 14:39:44,756 WARN L169 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2018-07-25 14:39:47,178 WARN L169 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2018-07-25 14:39:49,720 WARN L169 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2018-07-25 14:39:54,475 WARN L169 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2018-07-25 14:39:57,229 WARN L169 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2018-07-25 14:40:00,088 WARN L169 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2018-07-25 14:40:03,206 WARN L169 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2018-07-25 14:40:06,269 WARN L169 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2018-07-25 14:40:09,450 WARN L169 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2018-07-25 14:40:12,774 WARN L169 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2018-07-25 14:40:16,142 WARN L169 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2018-07-25 14:40:19,618 WARN L169 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2018-07-25 14:40:23,257 WARN L169 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2018-07-25 14:40:26,984 WARN L169 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2018-07-25 14:40:34,188 WARN L169 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2018-07-25 14:40:38,372 WARN L169 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2018-07-25 14:40:42,571 WARN L169 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2018-07-25 14:40:46,904 WARN L169 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2018-07-25 14:40:51,424 WARN L169 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2018-07-25 14:40:56,110 WARN L169 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2018-07-25 14:41:00,858 WARN L169 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2018-07-25 14:41:05,755 WARN L169 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2018-07-25 14:41:10,775 WARN L169 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2018-07-25 14:41:15,947 WARN L169 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2018-07-25 14:41:21,280 WARN L169 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2018-07-25 14:41:31,530 WARN L169 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2018-07-25 14:41:37,337 WARN L169 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2018-07-25 14:41:43,255 WARN L169 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2018-07-25 14:41:49,438 WARN L169 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2018-07-25 14:41:55,649 WARN L169 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2018-07-25 14:42:02,106 WARN L169 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2018-07-25 14:42:08,695 WARN L169 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2018-07-25 14:42:15,433 WARN L169 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2018-07-25 14:42:22,399 WARN L169 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2018-07-25 14:42:29,694 WARN L169 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2018-07-25 14:42:37,000 WARN L169 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-07-25 14:42:51,272 WARN L169 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2018-07-25 14:42:59,167 WARN L169 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 274 [2018-07-25 14:43:07,189 WARN L169 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 276 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown