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-b8c145f [2019-08-05 11:40:21,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:40:21,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:40:21,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:40:21,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:40:21,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:40:21,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:40:21,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:40:21,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:40:21,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:40:21,191 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:40:21,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:40:21,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:40:21,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:40:21,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:40:21,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:40:21,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:40:21,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:40:21,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:40:21,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:40:21,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:40:21,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:40:21,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:40:21,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:40:21,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:40:21,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:40:21,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:40:21,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:40:21,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:40:21,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:40:21,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:40:21,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:40:21,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:40:21,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:40:21,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:40:21,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:40:21,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:40:21,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:40:21,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:40:21,239 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:40:21,239 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:40:21,281 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:40:21,296 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:40:21,300 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:40:21,301 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:40:21,302 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:40:21,303 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out.bpl [2019-08-05 11:40:21,303 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out.bpl' [2019-08-05 11:40:21,375 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:40:21,377 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:40:21,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:40:21,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:40:21,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:40:21,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:40:21" (1/1) ... [2019-08-05 11:40:21,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:40:21" (1/1) ... [2019-08-05 11:40:21,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:40:21" (1/1) ... [2019-08-05 11:40:21,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:40:21" (1/1) ... [2019-08-05 11:40:21,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:40:21" (1/1) ... [2019-08-05 11:40:21,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:40:21" (1/1) ... [2019-08-05 11:40:21,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:40:21" (1/1) ... [2019-08-05 11:40:21,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:40:21,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:40:21,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:40:21,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:40:21,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:40:21" (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 11:40:21,501 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2019-08-05 11:40:21,501 INFO L130 BoogieDeclarations]: Found specification of procedure product [2019-08-05 11:40:21,502 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2019-08-05 11:40:22,310 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint productFINAL: assume true; [2019-08-05 11:40:22,312 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:40:22,313 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:40:22,314 INFO L202 PluginConnector]: Adding new model threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:40:22 BoogieIcfgContainer [2019-08-05 11:40:22,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:40:22,315 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:40:22,315 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:40:22,316 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:40:22,318 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:40:22" (1/1) ... [2019-08-05 11:40:22,329 INFO L148 IcfgInterpreter]: Started Sifa with 14 locations of interest [2019-08-05 11:40:22,332 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:40:22,341 INFO L160 IcfgInterpreter]: Initial procedures are [product] [2019-08-05 11:40:22,350 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:40:22,351 INFO L184 IcfgInterpreter]: Interpreting procedure product with input of size 1 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown