java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/Sifa.xml -i ../../../trunk/examples/programs/real-life/threadpooling_product.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 21:52:22,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 21:52:23,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 21:52:23,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-04 21:52:23,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-04 21:52:23,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-04 21:52:23,021 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-04 21:52:23,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-04 21:52:23,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-04 21:52:23,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-04 21:52:23,034 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-04 21:52:23,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-04 21:52:23,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-04 21:52:23,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-04 21:52:23,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-04 21:52:23,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-04 21:52:23,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-04 21:52:23,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-04 21:52:23,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-04 21:52:23,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-04 21:52:23,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-04 21:52:23,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-04 21:52:23,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-04 21:52:23,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-04 21:52:23,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-04 21:52:23,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-04 21:52:23,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-04 21:52:23,060 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-04 21:52:23,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-04 21:52:23,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-04 21:52:23,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 21:52:23,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 21:52:23,066 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 21:52:23,067 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 21:52:23,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 21:52:23,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 21:52:23,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 21:52:23,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-04 21:52:23,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-04 21:52:23,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-04 21:52:23,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-04 21:52:23,109 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 21:52:23,122 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 21:52:23,127 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 21:52:23,128 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 21:52:23,129 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 21:52:23,130 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product.bpl [2019-08-04 21:52:23,130 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product.bpl' [2019-08-04 21:52:23,174 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 21:52:23,176 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-04 21:52:23,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 21:52:23,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 21:52:23,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 21:52:23,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:52:23" (1/1) ... [2019-08-04 21:52:23,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:52:23" (1/1) ... [2019-08-04 21:52:23,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:52:23" (1/1) ... [2019-08-04 21:52:23,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:52:23" (1/1) ... [2019-08-04 21:52:23,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:52:23" (1/1) ... [2019-08-04 21:52:23,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:52:23" (1/1) ... [2019-08-04 21:52:23,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:52:23" (1/1) ... [2019-08-04 21:52:23,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 21:52:23,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 21:52:23,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 21:52:23,218 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 21:52:23,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:52:23" (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 [2019-08-04 21:52:23,287 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2019-08-04 21:52:23,287 INFO L130 BoogieDeclarations]: Found specification of procedure product [2019-08-04 21:52:23,287 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2019-08-04 21:52:23,755 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint productFINAL: assume true; [2019-08-04 21:52:23,757 INFO L275 CfgBuilder]: Using library mode [2019-08-04 21:52:23,757 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-04 21:52:23,759 INFO L202 PluginConnector]: Adding new model threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:52:23 BoogieIcfgContainer [2019-08-04 21:52:23,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 21:52:23,759 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-04 21:52:23,760 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-04 21:52:23,760 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-04 21:52:23,762 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:52:23" (1/1) ... [2019-08-04 21:52:23,771 INFO L148 IcfgInterpreter]: Started Sifa with 4 locations of interest [2019-08-04 21:52:23,773 INFO L155 IcfgInterpreter]: Building call graph [2019-08-04 21:52:23,780 INFO L160 IcfgInterpreter]: Initial procedures are [product] [2019-08-04 21:52:23,788 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-04 21:52:23,790 INFO L184 IcfgInterpreter]: Interpreting procedure product with input of size 1 [2019-08-04 21:52:25,757 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 18 [2019-08-04 21:52:26,450 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 24 [2019-08-04 21:52:26,796 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2019-08-04 21:52:26,906 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2019-08-04 21:52:27,021 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 33 [2019-08-04 21:52:27,158 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-08-04 21:52:27,274 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2019-08-04 21:52:27,447 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2019-08-04 21:52:28,020 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2019-08-04 21:52:28,264 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2019-08-04 21:52:28,472 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2019-08-04 21:52:28,982 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2019-08-04 21:52:29,306 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 33 [2019-08-04 21:52:29,955 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2019-08-04 21:52:31,219 WARN L188 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2019-08-04 21:52:31,399 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 33 [2019-08-04 21:52:31,524 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-08-04 21:52:31,642 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2019-08-04 21:52:31,786 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2019-08-04 21:52:32,099 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 1 [2019-08-04 21:52:32,454 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 24 [2019-08-04 21:52:32,635 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 30 [2019-08-04 21:52:32,769 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2019-08-04 21:52:32,981 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 33 [2019-08-04 21:52:33,102 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-08-04 21:52:33,340 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2019-08-04 21:52:34,004 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 33 [2019-08-04 21:52:35,429 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2019-08-04 21:52:35,559 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2019-08-04 21:52:36,791 WARN L188 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 28 DAG size of output: 21 [2019-08-04 21:52:37,903 WARN L188 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 28 DAG size of output: 21 [2019-08-04 21:52:39,107 WARN L188 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 28 DAG size of output: 21 [2019-08-04 21:52:40,225 WARN L188 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 28 DAG size of output: 21 [2019-08-04 21:52:41,397 WARN L188 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 28 DAG size of output: 21 [2019-08-04 21:52:42,542 WARN L188 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 28 DAG size of output: 21 [2019-08-04 21:52:43,718 WARN L188 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 28 DAG size of output: 21 [2019-08-04 21:52:44,851 WARN L188 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 28 DAG size of output: 21 [2019-08-04 21:52:45,978 WARN L188 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 28 DAG size of output: 21 [2019-08-04 21:52:47,107 WARN L188 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 21 DAG size of output: 20 [2019-08-04 21:52:47,676 WARN L188 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2019-08-04 21:52:49,442 WARN L188 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2019-08-04 21:52:50,640 WARN L188 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2019-08-04 21:52:51,246 WARN L188 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2019-08-04 21:52:55,387 WARN L188 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2019-08-04 21:52:55,716 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2019-08-04 21:52:56,930 WARN L188 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 21 DAG size of output: 20 [2019-08-04 21:52:57,499 WARN L188 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2019-08-04 21:52:59,200 WARN L188 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2019-08-04 21:53:00,387 WARN L188 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2019-08-04 21:53:04,344 WARN L188 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 38 DAG size of output: 33 [2019-08-04 21:53:04,693 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2019-08-04 21:53:04,827 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-08-04 21:53:05,052 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2019-08-04 21:53:05,276 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2019-08-04 21:53:05,556 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-08-04 21:53:05,787 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2019-08-04 21:53:05,905 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-08-04 21:53:06,156 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2019-08-04 21:53:06,407 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-08-04 21:53:06,518 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-08-04 21:53:06,941 WARN L188 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2019-08-04 21:53:08,143 WARN L188 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 21 DAG size of output: 20 [2019-08-04 21:53:08,713 WARN L188 SmtUtils]: Spent 568.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2019-08-04 21:53:10,447 WARN L188 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2019-08-04 21:53:11,651 WARN L188 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2019-08-04 21:53:12,241 WARN L188 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-08-04 21:53:18,824 WARN L188 SmtUtils]: Spent 6.58 s on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2019-08-04 21:53:18,945 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2019-08-04 21:53:20,163 WARN L188 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 21 DAG size of output: 20 [2019-08-04 21:53:20,733 WARN L188 SmtUtils]: Spent 568.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2019-08-04 21:53:22,445 WARN L188 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2019-08-04 21:53:23,633 WARN L188 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2019-08-04 21:53:27,612 WARN L188 SmtUtils]: Spent 3.92 s on a formula simplification. DAG size of input: 38 DAG size of output: 33 [2019-08-04 21:53:27,914 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2019-08-04 21:53:28,052 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-08-04 21:53:28,274 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2019-08-04 21:53:28,459 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2019-08-04 21:53:28,859 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2019-08-04 21:53:29,299 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2019-08-04 21:53:33,706 WARN L188 SmtUtils]: Spent 4.35 s on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2019-08-04 21:53:34,706 WARN L188 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2019-08-04 21:54:23,517 WARN L188 SmtUtils]: Spent 48.76 s on a formula simplification that was a NOOP. DAG size: 107 [2019-08-04 21:54:24,212 WARN L188 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-08-04 21:54:24,801 WARN L188 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-08-04 21:54:25,402 WARN L188 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-08-04 21:54:25,996 WARN L188 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-08-04 21:54:26,595 WARN L188 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-08-04 21:54:27,212 WARN L188 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-08-04 21:54:28,415 WARN L188 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 21 DAG size of output: 20 [2019-08-04 21:54:29,042 WARN L188 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2019-08-04 21:54:30,870 WARN L188 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2019-08-04 21:54:32,174 WARN L188 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2019-08-04 21:54:32,810 WARN L188 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2019-08-04 21:54:37,122 WARN L188 SmtUtils]: Spent 4.31 s on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2019-08-04 21:54:37,262 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-08-04 21:54:37,446 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-08-04 21:54:37,829 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2019-08-04 21:54:48,799 WARN L188 SmtUtils]: Spent 10.95 s on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2019-08-04 21:55:03,206 WARN L188 SmtUtils]: Spent 14.36 s on a formula simplification that was a NOOP. DAG size: 91 [2019-08-04 21:55:04,466 WARN L188 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 21 DAG size of output: 20 [2019-08-04 21:55:05,102 WARN L188 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2019-08-04 21:55:07,012 WARN L188 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2019-08-04 21:55:08,343 WARN L188 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2019-08-04 21:55:08,999 WARN L188 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-08-04 21:55:10,986 WARN L188 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2019-08-04 21:55:12,352 WARN L188 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2019-08-04 21:55:14,044 WARN L188 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 42 [2019-08-04 21:55:22,054 WARN L188 SmtUtils]: Spent 8.01 s on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2019-08-04 21:55:23,401 WARN L188 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 21 DAG size of output: 20 [2019-08-04 21:55:24,040 WARN L188 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2019-08-04 21:55:26,021 WARN L188 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2019-08-04 21:55:27,383 WARN L188 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2019-08-04 21:55:28,084 WARN L188 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-08-04 21:55:36,736 WARN L188 SmtUtils]: Spent 8.65 s on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2019-08-04 21:55:38,102 WARN L188 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2019-08-04 21:55:38,776 WARN L188 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2019-08-04 21:55:39,539 WARN L188 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 42 [2019-08-04 21:55:39,678 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-08-04 21:55:39,931 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-08-04 21:56:01,850 WARN L188 SmtUtils]: Spent 21.68 s on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2019-08-04 21:56:03,196 WARN L188 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2019-08-04 21:56:17,686 WARN L188 SmtUtils]: Spent 14.44 s on a formula simplification that was a NOOP. DAG size: 91 [2019-08-04 21:56:18,466 WARN L188 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-08-04 21:56:19,116 WARN L188 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-08-04 21:56:19,771 WARN L188 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-08-04 21:56:20,419 WARN L188 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-08-04 21:56:21,589 WARN L188 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2019-08-04 21:56:23,068 WARN L188 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2019-08-04 21:56:24,259 WARN L188 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2019-08-04 21:56:51,537 WARN L188 SmtUtils]: Spent 27.23 s on a formula simplification that was a NOOP. DAG size: 107 [2019-08-04 21:56:52,246 WARN L188 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-08-04 21:56:52,889 WARN L188 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-08-04 21:56:53,532 WARN L188 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-08-04 21:56:54,182 WARN L188 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-08-04 21:56:55,497 WARN L188 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 21 DAG size of output: 20 [2019-08-04 21:56:56,151 WARN L188 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2019-08-04 21:56:58,128 WARN L188 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2019-08-04 21:56:59,489 WARN L188 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2019-08-04 21:57:00,168 WARN L188 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-08-04 21:57:04,935 WARN L188 SmtUtils]: Spent 4.76 s on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2019-08-04 21:57:06,347 WARN L188 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-08-04 21:57:07,070 WARN L188 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2019-08-04 21:57:08,557 WARN L188 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2019-08-04 21:57:08,688 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-08-04 21:57:08,944 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2019-08-04 21:57:10,022 WARN L188 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2019-08-04 21:57:10,136 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 61 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown