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_out3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:32:59,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:32:59,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:32:59,024 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:32:59,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:32:59,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:32:59,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:32:59,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:32:59,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:32:59,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:32:59,037 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:32:59,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:32:59,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:32:59,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:32:59,040 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:32:59,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:32:59,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:32:59,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:32:59,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:32:59,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:32:59,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:32:59,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:32:59,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:32:59,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:32:59,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:32:59,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:32:59,055 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:32:59,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:32:59,056 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:32:59,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:32:59,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:32:59,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:32:59,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:32:59,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:32:59,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:32:59,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:32:59,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:32:59,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:32:59,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:32:59,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:32:59,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:32:59,102 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:32:59,114 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:32:59,117 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:32:59,119 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:32:59,119 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:32:59,120 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out3.bpl [2019-08-05 11:32:59,120 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out3.bpl' [2019-08-05 11:32:59,247 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:32:59,249 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:32:59,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:32:59,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:32:59,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:32:59,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_out3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:32:59" (1/1) ... [2019-08-05 11:32:59,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_out3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:32:59" (1/1) ... [2019-08-05 11:32:59,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_out3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:32:59" (1/1) ... [2019-08-05 11:32:59,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_out3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:32:59" (1/1) ... [2019-08-05 11:32:59,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_out3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:32:59" (1/1) ... [2019-08-05 11:32:59,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_out3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:32:59" (1/1) ... [2019-08-05 11:32:59,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_out3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:32:59" (1/1) ... [2019-08-05 11:32:59,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:32:59,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:32:59,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:32:59,471 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:32:59,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_out3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:32:59" (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 [2019-08-05 11:32:59,543 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2019-08-05 11:32:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure product [2019-08-05 11:32:59,543 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2019-08-05 11:33:04,028 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint productFINAL: assume true; [2019-08-05 11:33:04,033 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:33:04,033 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:33:04,034 INFO L202 PluginConnector]: Adding new model threadpooling_out3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:33:04 BoogieIcfgContainer [2019-08-05 11:33:04,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:33:04,035 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:33:04,035 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:33:04,035 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:33:04,037 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "threadpooling_out3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:33:04" (1/1) ... [2019-08-05 11:33:04,048 INFO L148 IcfgInterpreter]: Started Sifa with 147 locations of interest [2019-08-05 11:33:04,051 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:33:04,073 INFO L160 IcfgInterpreter]: Initial procedures are [product] [2019-08-05 11:33:04,082 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:33:04,083 INFO L184 IcfgInterpreter]: Interpreting procedure product with input of size 1 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown