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 0.1.24-3b9210c [2019-08-06 16:48:24,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:48:24,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:48:24,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:48:24,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:48:24,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:48:24,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:48:24,311 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:48:24,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:48:24,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:48:24,315 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:48:24,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:48:24,316 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:48:24,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:48:24,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:48:24,319 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:48:24,320 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:48:24,321 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:48:24,322 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:48:24,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:48:24,326 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:48:24,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:48:24,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:48:24,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:48:24,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:48:24,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:48:24,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:48:24,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:48:24,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:48:24,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:48:24,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:48:24,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:48:24,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:48:24,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:48:24,339 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:48:24,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:48:24,340 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:48:24,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:48:24,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:48:24,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:48:24,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:48:24,371 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:48:24,383 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:48:24,387 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:48:24,389 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:48:24,390 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:48:24,391 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out3.bpl [2019-08-06 16:48:24,391 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out3.bpl' [2019-08-06 16:48:24,534 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:48:24,536 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:48:24,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:48:24,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:48:24,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:48:24,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_out3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:48:24" (1/1) ... [2019-08-06 16:48:24,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_out3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:48:24" (1/1) ... [2019-08-06 16:48:24,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_out3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:48:24" (1/1) ... [2019-08-06 16:48:24,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_out3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:48:24" (1/1) ... [2019-08-06 16:48:24,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_out3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:48:24" (1/1) ... [2019-08-06 16:48:24,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_out3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:48:24" (1/1) ... [2019-08-06 16:48:24,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_out3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:48:24" (1/1) ... [2019-08-06 16:48:24,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:48:24,704 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:48:24,704 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:48:24,704 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:48:24,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_out3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:48:24" (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 16:48:24,774 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2019-08-06 16:48:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure product [2019-08-06 16:48:24,775 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2019-08-06 16:48:28,615 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint productFINAL: assume true; [2019-08-06 16:48:28,619 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:48:28,620 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:48:28,621 INFO L202 PluginConnector]: Adding new model threadpooling_out3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:48:28 BoogieIcfgContainer [2019-08-06 16:48:28,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:48:28,622 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:48:28,622 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:48:28,623 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:48:28,624 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "threadpooling_out3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:48:28" (1/1) ... [2019-08-06 16:48:28,636 INFO L148 IcfgInterpreter]: Started Sifa with 147 locations of interest [2019-08-06 16:48:28,639 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:48:28,661 INFO L160 IcfgInterpreter]: Initial procedures are [product] [2019-08-06 16:48:28,669 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:48:28,671 INFO L185 IcfgInterpreter]: Interpreting procedure product with input of size 1 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown