java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum01_bug02_sum01_bug02_base.case.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 14:16:39,117 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 14:16:39,120 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 14:16:39,132 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 14:16:39,132 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 14:16:39,134 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 14:16:39,135 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 14:16:39,137 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 14:16:39,138 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 14:16:39,139 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 14:16:39,140 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 14:16:39,140 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 14:16:39,141 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 14:16:39,142 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 14:16:39,143 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 14:16:39,144 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 14:16:39,145 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 14:16:39,147 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 14:16:39,149 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 14:16:39,150 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 14:16:39,151 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 14:16:39,152 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 14:16:39,155 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 14:16:39,155 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 14:16:39,155 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 14:16:39,156 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 14:16:39,157 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 14:16:39,158 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 14:16:39,159 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 14:16:39,160 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 14:16:39,160 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 14:16:39,161 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 14:16:39,161 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 14:16:39,162 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 14:16:39,163 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 14:16:39,163 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 14:16:39,164 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-07-25 14:16:39,172 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 14:16:39,172 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 14:16:39,174 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 14:16:39,174 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 14:16:39,174 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-25 14:16:39,174 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:16:39,175 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 14:16:39,227 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 14:16:39,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 14:16:39,245 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 14:16:39,248 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 14:16:39,249 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 14:16:39,249 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum01_bug02_sum01_bug02_base.case.i_4.bpl [2018-07-25 14:16:39,250 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum01_bug02_sum01_bug02_base.case.i_4.bpl' [2018-07-25 14:16:39,295 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 14:16:39,296 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 14:16:39,297 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 14:16:39,297 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 14:16:39,297 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 14:16:39,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum01_bug02_sum01_bug02_base.case.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:16:39" (1/1) ... [2018-07-25 14:16:39,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum01_bug02_sum01_bug02_base.case.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:16:39" (1/1) ... [2018-07-25 14:16:39,336 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 14:16:39,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 14:16:39,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 14:16:39,337 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 14:16:39,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum01_bug02_sum01_bug02_base.case.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:16:39" (1/1) ... [2018-07-25 14:16:39,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum01_bug02_sum01_bug02_base.case.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:16:39" (1/1) ... [2018-07-25 14:16:39,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum01_bug02_sum01_bug02_base.case.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:16:39" (1/1) ... [2018-07-25 14:16:39,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum01_bug02_sum01_bug02_base.case.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:16:39" (1/1) ... [2018-07-25 14:16:39,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum01_bug02_sum01_bug02_base.case.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:16:39" (1/1) ... [2018-07-25 14:16:39,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum01_bug02_sum01_bug02_base.case.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:16:39" (1/1) ... [2018-07-25 14:16:39,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum01_bug02_sum01_bug02_base.case.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:16:39" (1/1) ... [2018-07-25 14:16:39,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 14:16:39,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 14:16:39,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 14:16:39,358 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 14:16:39,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum01_bug02_sum01_bug02_base.case.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:16:39" (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 14:16:39,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 14:16:39,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 14:16:39,739 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 14:16:39,740 INFO L202 PluginConnector]: Adding new model sum01_bug02_sum01_bug02_base.case.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:16:39 BoogieIcfgContainer [2018-07-25 14:16:39,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 14:16:39,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 14:16:39,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 14:16:39,745 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 14:16:39,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum01_bug02_sum01_bug02_base.case.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:16:39" (1/2) ... [2018-07-25 14:16:39,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@161ae434 and model type sum01_bug02_sum01_bug02_base.case.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 02:16:39, skipping insertion in model container [2018-07-25 14:16:39,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum01_bug02_sum01_bug02_base.case.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:16:39" (2/2) ... [2018-07-25 14:16:39,749 INFO L112 eAbstractionObserver]: Analyzing ICFG sum01_bug02_sum01_bug02_base.case.i_4.bpl [2018-07-25 14:16:39,759 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 14:16:39,767 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 14:16:39,814 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 14:16:39,815 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 14:16:39,815 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 14:16:39,816 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 14:16:39,816 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 14:16:39,816 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 14:16:39,816 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 14:16:39,816 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 14:16:39,817 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 14:16:39,832 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-25 14:16:39,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 14:16:39,841 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:16:39,842 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 14:16:39,843 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:16:39,848 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:16:39,865 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:16:40,141 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:16:40,142 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 14:16:40,145 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 14:16:40,150 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 14:16:40,151 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 14:16:40,154 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-07-25 14:16:40,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:16:40,198 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-25 14:16:40,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 14:16:40,202 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-25 14:16:40,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:16:40,214 INFO L225 Difference]: With dead ends: 10 [2018-07-25 14:16:40,214 INFO L226 Difference]: Without dead ends: 7 [2018-07-25 14:16:40,218 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 14:16:40,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-25 14:16:40,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-25 14:16:40,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 14:16:40,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-25 14:16:40,254 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-25 14:16:40,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:16:40,254 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-25 14:16:40,254 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 14:16:40,255 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-25 14:16:40,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 14:16:40,255 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:16:40,255 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 14:16:40,256 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:16:40,256 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:16:40,269 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:16:40,945 WARN L169 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 24 [2018-07-25 14:16:41,682 WARN L169 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2018-07-25 14:16:42,922 WARN L169 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2018-07-25 14:16:43,503 WARN L169 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-07-25 14:16:44,246 WARN L169 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-07-25 14:16:45,034 WARN L169 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-07-25 14:16:46,088 WARN L169 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-07-25 14:16:47,111 WARN L169 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2018-07-25 14:16:48,149 WARN L169 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2018-07-25 14:16:49,335 WARN L169 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2018-07-25 14:16:50,819 WARN L169 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2018-07-25 14:16:52,617 WARN L169 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2018-07-25 14:16:54,507 WARN L169 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2018-07-25 14:16:56,698 WARN L169 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2018-07-25 14:16:57,883 WARN L169 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2018-07-25 14:16:59,149 WARN L169 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2018-07-25 14:17:00,694 WARN L169 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2018-07-25 14:17:02,270 WARN L169 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2018-07-25 14:17:03,960 WARN L169 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2018-07-25 14:17:05,513 WARN L169 SmtUtils]: Spent 871.00 ms on a formula simplification that was a NOOP. DAG size: 290 [2018-07-25 14:17:07,428 WARN L169 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2018-07-25 14:17:09,103 WARN L169 SmtUtils]: Spent 937.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2018-07-25 14:17:11,402 WARN L169 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 93 [2018-07-25 14:17:13,365 WARN L169 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 319 [2018-07-25 14:17:15,971 WARN L169 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 97 [2018-07-25 14:17:18,044 WARN L169 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 333 [2018-07-25 14:17:21,029 WARN L169 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2018-07-25 14:17:23,337 WARN L169 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 348 [2018-07-25 14:17:26,809 WARN L169 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2018-07-25 14:17:29,292 WARN L169 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 362 [2018-07-25 14:17:33,103 WARN L169 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2018-07-25 14:17:35,846 WARN L169 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 377 [2018-07-25 14:17:40,290 WARN L169 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2018-07-25 14:17:43,184 WARN L169 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 391 [2018-07-25 14:17:48,395 WARN L169 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 117 [2018-07-25 14:17:51,878 WARN L169 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 406 [2018-07-25 14:17:57,338 WARN L169 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 121 [2018-07-25 14:17:57,744 WARN L169 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-07-25 14:18:00,779 WARN L169 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 420 [2018-07-25 14:18:06,949 WARN L169 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2018-07-25 14:18:07,379 WARN L169 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-07-25 14:18:10,816 WARN L169 SmtUtils]: Spent 2.36 s on a formula simplification that was a NOOP. DAG size: 435 [2018-07-25 14:18:17,642 WARN L169 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 129 [2018-07-25 14:18:18,615 WARN L169 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-07-25 14:18:22,036 WARN L169 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 449 [2018-07-25 14:18:30,434 WARN L169 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 133 [2018-07-25 14:18:30,913 WARN L169 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2018-07-25 14:18:35,139 WARN L169 SmtUtils]: Spent 2.99 s on a formula simplification that was a NOOP. DAG size: 464 [2018-07-25 14:18:43,760 WARN L169 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 137 [2018-07-25 14:18:44,272 WARN L169 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-07-25 14:18:48,256 WARN L169 SmtUtils]: Spent 2.68 s on a formula simplification that was a NOOP. DAG size: 478 [2018-07-25 14:18:57,716 WARN L169 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 141 [2018-07-25 14:18:58,257 WARN L169 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-07-25 14:19:02,597 WARN L169 SmtUtils]: Spent 2.97 s on a formula simplification that was a NOOP. DAG size: 493 [2018-07-25 14:19:13,006 WARN L169 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 145 [2018-07-25 14:19:13,540 WARN L169 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-07-25 14:19:17,995 WARN L169 SmtUtils]: Spent 3.04 s on a formula simplification that was a NOOP. DAG size: 507 [2018-07-25 14:19:29,436 WARN L169 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 149 [2018-07-25 14:19:30,020 WARN L169 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-07-25 14:19:34,788 WARN L169 SmtUtils]: Spent 3.28 s on a formula simplification that was a NOOP. DAG size: 522 [2018-07-25 14:19:46,745 WARN L169 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 153 [2018-07-25 14:19:47,350 WARN L169 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2018-07-25 14:19:52,341 WARN L169 SmtUtils]: Spent 3.43 s on a formula simplification that was a NOOP. DAG size: 536 [2018-07-25 14:20:05,553 WARN L169 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 157 [2018-07-25 14:20:06,196 WARN L169 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2018-07-25 14:20:11,599 WARN L169 SmtUtils]: Spent 3.82 s on a formula simplification that was a NOOP. DAG size: 551 [2018-07-25 14:20:26,048 WARN L169 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 161 [2018-07-25 14:20:26,735 WARN L169 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2018-07-25 14:20:32,409 WARN L169 SmtUtils]: Spent 4.00 s on a formula simplification that was a NOOP. DAG size: 565 [2018-07-25 14:20:48,085 WARN L169 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 165 [2018-07-25 14:20:48,789 WARN L169 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2018-07-25 14:20:54,865 WARN L169 SmtUtils]: Spent 4.31 s on a formula simplification that was a NOOP. DAG size: 580 [2018-07-25 14:21:12,049 WARN L169 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 169 [2018-07-25 14:21:12,792 WARN L169 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-07-25 14:21:19,272 WARN L169 SmtUtils]: Spent 4.59 s on a formula simplification that was a NOOP. DAG size: 594 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown