java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/programs/regression/bpl/AutomizerBpl-pdr.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum01_bug02_sum01_bug02_base.case.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 16:16:05,792 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 16:16:05,794 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 16:16:05,814 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 16:16:05,815 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 16:16:05,816 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 16:16:05,817 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 16:16:05,819 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 16:16:05,820 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 16:16:05,821 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 16:16:05,823 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 16:16:05,823 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 16:16:05,824 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 16:16:05,827 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 16:16:05,830 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 16:16:05,835 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 16:16:05,836 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 16:16:05,842 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 16:16:05,844 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 16:16:05,849 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 16:16:05,851 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 16:16:05,852 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 16:16:05,855 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 16:16:05,855 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 16:16:05,856 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 16:16:05,857 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 16:16:05,859 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 16:16:05,859 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 16:16:05,860 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 16:16:05,861 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 16:16:05,862 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 16:16:05,862 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 16:16:05,863 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 16:16:05,863 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 16:16:05,865 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 16:16:05,865 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 16:16:05,866 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/AutomizerBpl-pdr.epf [2018-07-23 16:16:05,879 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 16:16:05,879 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 16:16:05,880 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 16:16:05,881 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 16:16:05,881 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 16:16:05,881 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 16:16:05,930 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 16:16:05,948 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 16:16:05,955 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 16:16:05,956 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 16:16:05,957 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 16:16:05,958 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum01_bug02_sum01_bug02_base.case.i_4.bpl [2018-07-23 16:16:05,958 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum01_bug02_sum01_bug02_base.case.i_4.bpl' [2018-07-23 16:16:06,020 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 16:16:06,022 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 16:16:06,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 16:16:06,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 16:16:06,023 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 16:16:06,055 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 23.07 04:16:06" (1/1) ... [2018-07-23 16:16:06,057 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 23.07 04:16:06" (1/1) ... [2018-07-23 16:16:06,069 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 23.07 04:16:06" (1/1) ... [2018-07-23 16:16:06,069 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 23.07 04:16:06" (1/1) ... [2018-07-23 16:16:06,073 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 23.07 04:16:06" (1/1) ... [2018-07-23 16:16:06,077 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 23.07 04:16:06" (1/1) ... [2018-07-23 16:16:06,078 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 23.07 04:16:06" (1/1) ... [2018-07-23 16:16:06,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 16:16:06,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 16:16:06,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 16:16:06,081 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 16:16:06,084 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 23.07 04:16:06" (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 [2018-07-23 16:16:06,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 16:16:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 16:16:06,331 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 16:16:06,332 INFO L202 PluginConnector]: Adding new model sum01_bug02_sum01_bug02_base.case.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:16:06 BoogieIcfgContainer [2018-07-23 16:16:06,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 16:16:06,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 16:16:06,334 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 16:16:06,338 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 16:16:06,338 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 23.07 04:16:06" (1/2) ... [2018-07-23 16:16:06,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2baad0f3 and model type sum01_bug02_sum01_bug02_base.case.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:16:06, skipping insertion in model container [2018-07-23 16:16:06,340 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 23.07 04:16:06" (2/2) ... [2018-07-23 16:16:06,342 INFO L112 eAbstractionObserver]: Analyzing ICFG sum01_bug02_sum01_bug02_base.case.i_4.bpl [2018-07-23 16:16:06,354 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 16:16:06,364 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 16:16:06,418 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 16:16:06,419 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 16:16:06,419 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 16:16:06,420 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 16:16:06,420 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 16:16:06,420 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 16:16:06,420 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 16:16:06,420 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 16:16:06,421 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 16:16:06,443 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 16:16:06,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 16:16:06,458 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:16:06,460 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 16:16:06,460 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 16:16:06,467 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-07-23 16:16:06,475 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:16:06,826 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 16:16:06,826 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-23 16:16:06,833 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 16:16:06,843 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 16:16:06,844 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 16:16:06,848 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-07-23 16:16:06,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 16:16:06,918 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-23 16:16:06,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 16:16:06,921 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-23 16:16:06,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 16:16:06,935 INFO L225 Difference]: With dead ends: 10 [2018-07-23 16:16:06,936 INFO L226 Difference]: Without dead ends: 7 [2018-07-23 16:16:06,940 INFO L573 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 [2018-07-23 16:16:06,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-23 16:16:06,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-23 16:16:06,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 16:16:06,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 16:16:06,984 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-23 16:16:06,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 16:16:06,985 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 16:16:06,985 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 16:16:06,985 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 16:16:06,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 16:16:06,986 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 16:16:06,986 INFO L353 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-23 16:16:06,986 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 16:16:06,987 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-07-23 16:16:06,987 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 16:16:07,902 WARN L169 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-07-23 16:16:08,151 WARN L169 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-07-23 16:16:08,847 WARN L169 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2018-07-23 16:16:09,069 WARN L169 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2018-07-23 16:16:09,424 WARN L169 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-07-23 16:16:10,045 WARN L169 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2018-07-23 16:16:10,600 WARN L169 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-07-23 16:16:11,353 WARN L169 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-07-23 16:16:12,146 WARN L169 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-07-23 16:16:13,091 WARN L169 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-07-23 16:16:14,197 WARN L169 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2018-07-23 16:16:15,245 WARN L169 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2018-07-23 16:16:16,502 WARN L169 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2018-07-23 16:16:17,963 WARN L169 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2018-07-23 16:16:19,664 WARN L169 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2018-07-23 16:16:21,587 WARN L169 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2018-07-23 16:16:22,656 WARN L169 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2018-07-23 16:16:23,903 WARN L169 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2018-07-23 16:16:25,097 WARN L169 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2018-07-23 16:16:26,378 WARN L169 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2018-07-23 16:16:27,952 WARN L169 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2018-07-23 16:16:29,445 WARN L169 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2018-07-23 16:16:31,066 WARN L169 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2018-07-23 16:16:32,732 WARN L169 SmtUtils]: Spent 922.00 ms on a formula simplification that was a NOOP. DAG size: 290 [2018-07-23 16:16:34,622 WARN L169 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2018-07-23 16:16:36,391 WARN L169 SmtUtils]: Spent 962.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2018-07-23 16:16:38,631 WARN L169 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 93 [2018-07-23 16:16:38,923 WARN L169 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2018-07-23 16:16:40,616 WARN L169 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 319 [2018-07-23 16:16:43,206 WARN L169 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 97 [2018-07-23 16:16:45,281 WARN L169 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 333 [2018-07-23 16:16:48,171 WARN L169 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2018-07-23 16:16:50,424 WARN L169 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 348 [2018-07-23 16:16:53,858 WARN L169 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2018-07-23 16:16:56,345 WARN L169 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 362 [2018-07-23 16:16:59,986 WARN L169 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2018-07-23 16:17:02,777 WARN L169 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 377 [2018-07-23 16:17:07,048 WARN L169 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2018-07-23 16:17:07,439 WARN L169 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2018-07-23 16:17:09,887 WARN L169 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 391 [2018-07-23 16:17:14,458 WARN L169 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 117 [2018-07-23 16:17:17,798 WARN L169 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 406 [2018-07-23 16:17:23,054 WARN L169 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 121 [2018-07-23 16:17:23,458 WARN L169 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-07-23 16:17:26,437 WARN L169 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 420 [2018-07-23 16:17:32,249 WARN L169 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2018-07-23 16:17:32,662 WARN L169 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-07-23 16:17:35,986 WARN L169 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 435 [2018-07-23 16:17:42,399 WARN L169 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 129 [2018-07-23 16:17:43,305 WARN L169 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-07-23 16:17:46,600 WARN L169 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 449 [2018-07-23 16:17:54,134 WARN L169 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 133 [2018-07-23 16:17:54,610 WARN L169 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2018-07-23 16:17:58,712 WARN L169 SmtUtils]: Spent 2.97 s on a formula simplification that was a NOOP. DAG size: 464 [2018-07-23 16:18:06,671 WARN L169 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 137 [2018-07-23 16:18:07,155 WARN L169 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-07-23 16:18:11,078 WARN L169 SmtUtils]: Spent 2.72 s on a formula simplification that was a NOOP. DAG size: 478 [2018-07-23 16:18:19,892 WARN L169 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 141 [2018-07-23 16:18:20,437 WARN L169 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-07-23 16:18:24,808 WARN L169 SmtUtils]: Spent 3.02 s on a formula simplification that was a NOOP. DAG size: 493 [2018-07-23 16:18:34,871 WARN L169 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 145 [2018-07-23 16:18:35,447 WARN L169 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-07-23 16:18:39,966 WARN L169 SmtUtils]: Spent 3.09 s on a formula simplification that was a NOOP. DAG size: 507 [2018-07-23 16:18:50,656 WARN L169 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 149 [2018-07-23 16:18:51,216 WARN L169 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-07-23 16:18:55,911 WARN L169 SmtUtils]: Spent 3.29 s on a formula simplification that was a NOOP. DAG size: 522 [2018-07-23 16:19:07,452 WARN L169 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 153 [2018-07-23 16:19:08,051 WARN L169 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2018-07-23 16:19:12,905 WARN L169 SmtUtils]: Spent 3.37 s on a formula simplification that was a NOOP. DAG size: 536 [2018-07-23 16:19:25,599 WARN L169 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 157 [2018-07-23 16:19:26,228 WARN L169 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2018-07-23 16:19:31,463 WARN L169 SmtUtils]: Spent 3.68 s on a formula simplification that was a NOOP. DAG size: 551 [2018-07-23 16:19:45,285 WARN L169 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 161 [2018-07-23 16:19:45,921 WARN L169 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2018-07-23 16:19:51,438 WARN L169 SmtUtils]: Spent 3.90 s on a formula simplification that was a NOOP. DAG size: 565 [2018-07-23 16:20:06,861 WARN L169 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 165 [2018-07-23 16:20:07,549 WARN L169 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2018-07-23 16:20:13,444 WARN L169 SmtUtils]: Spent 4.17 s on a formula simplification that was a NOOP. DAG size: 580 [2018-07-23 16:20:30,192 WARN L169 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 169 [2018-07-23 16:20:30,889 WARN L169 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-07-23 16:20:37,137 WARN L169 SmtUtils]: Spent 4.43 s on a formula simplification that was a NOOP. DAG size: 594 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown