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_out.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:49:55,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:49:55,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:49:55,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:49:55,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:49:55,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:49:55,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:49:55,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:49:55,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:49:55,138 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:49:55,139 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:49:55,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:49:55,148 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:49:55,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:49:55,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:49:55,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:49:55,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:49:55,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:49:55,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:49:55,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:49:55,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:49:55,162 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:49:55,163 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:49:55,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:49:55,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:49:55,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:49:55,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:49:55,167 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:49:55,168 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:49:55,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:49:55,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:49:55,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:49:55,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:49:55,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:49:55,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:49:55,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:49:55,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:49:55,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:49:55,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:49:55,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:49:55,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:49:55,217 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:49:55,238 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:49:55,242 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:49:55,244 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:49:55,244 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:49:55,245 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out.bpl [2019-08-06 16:49:55,245 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out.bpl' [2019-08-06 16:49:55,320 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:49:55,322 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:49:55,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:49:55,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:49:55,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:49:55,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:49:55" (1/1) ... [2019-08-06 16:49:55,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:49:55" (1/1) ... [2019-08-06 16:49:55,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:49:55" (1/1) ... [2019-08-06 16:49:55,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:49:55" (1/1) ... [2019-08-06 16:49:55,388 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:49:55" (1/1) ... [2019-08-06 16:49:55,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:49:55" (1/1) ... [2019-08-06 16:49:55,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:49:55" (1/1) ... [2019-08-06 16:49:55,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:49:55,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:49:55,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:49:55,403 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:49:55,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:49:55" (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 [2019-08-06 16:49:55,479 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2019-08-06 16:49:55,479 INFO L130 BoogieDeclarations]: Found specification of procedure product [2019-08-06 16:49:55,479 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2019-08-06 16:49:56,378 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint productFINAL: assume true; [2019-08-06 16:49:56,381 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:49:56,381 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:49:56,382 INFO L202 PluginConnector]: Adding new model threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:49:56 BoogieIcfgContainer [2019-08-06 16:49:56,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:49:56,383 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:49:56,383 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:49:56,384 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:49:56,385 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:49:56" (1/1) ... [2019-08-06 16:49:56,397 INFO L148 IcfgInterpreter]: Started Sifa with 14 locations of interest [2019-08-06 16:49:56,400 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:49:56,409 INFO L160 IcfgInterpreter]: Initial procedures are [product] [2019-08-06 16:49:56,418 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:49:56,420 INFO L185 IcfgInterpreter]: Interpreting procedure product with input of size 1 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown