/usr/bin/java -Xmx15000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/threadmodular/regression/thread-pooling/ThreadModularVerifier.Settings.epf -tc ../../../trunk/examples/threadmodular/regression/ThreadModularVerifier.xml --icfgtochc.enable.sleep.set.reduction false --icfgtochc.use.symmetry.clauses true --chcsolver.chc.solver.backend ELDARICA --chcsolver.produce.chc.model.if.query.is.sat true --chcsolver.produce.derivation.if.query.is.unsat true --chcsolver.produce.unsat.core.if.query.is.unsat true -i ../../../trunk/examples/threadmodular/regression/thread-pooling/thread-pooling.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.sleep-threadmodular-dd9be67-m [2023-09-12 11:52:27,938 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-12 11:52:28,009 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/thread-pooling/ThreadModularVerifier.Settings.epf [2023-09-12 11:52:28,025 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-12 11:52:28,026 INFO L151 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-09-12 11:52:28,027 INFO L153 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-09-12 11:52:28,027 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-12 11:52:28,028 INFO L153 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-09-12 11:52:28,028 INFO L153 SettingsManager]: * Add additional assume for each assert=false [2023-09-12 11:52:28,034 INFO L151 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2023-09-12 11:52:28,034 INFO L153 SettingsManager]: * Specification mode=ASSERT_VIOLATIONS [2023-09-12 11:52:28,035 INFO L153 SettingsManager]: * Assume program has a precondition=false [2023-09-12 11:52:28,035 INFO L153 SettingsManager]: * Conditional Independence=PRECOMPUTED_CONDITIONS [2023-09-12 11:52:28,037 INFO L151 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-09-12 11:52:28,037 INFO L153 SettingsManager]: * Save file in source directory=true [2023-09-12 11:52:28,038 INFO L153 SettingsManager]: * Use automatic naming=true [2023-09-12 11:52:28,038 INFO L153 SettingsManager]: * File name=CHC_conditional WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Enable sleep set reduction -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Use symmetry clauses -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> ELDARICA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce CHC model if query is SAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce derivation if query is UNSAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce UNSAT core if query is UNSAT -> true [2023-09-12 11:52:28,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-12 11:52:28,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-12 11:52:28,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-12 11:52:28,329 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-09-12 11:52:28,329 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-09-12 11:52:28,331 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/thread-pooling/thread-pooling.bpl [2023-09-12 11:52:28,331 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/thread-pooling/thread-pooling.bpl' [2023-09-12 11:52:28,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-12 11:52:28,357 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-12 11:52:28,358 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-12 11:52:28,358 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-12 11:52:28,359 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-12 11:52:28,376 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 11:52:28" (1/1) ... [2023-09-12 11:52:28,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 11:52:28" (1/1) ... [2023-09-12 11:52:28,383 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 11:52:28" (1/1) ... [2023-09-12 11:52:28,384 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 11:52:28" (1/1) ... [2023-09-12 11:52:28,386 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 11:52:28" (1/1) ... [2023-09-12 11:52:28,389 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 11:52:28" (1/1) ... [2023-09-12 11:52:28,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 11:52:28" (1/1) ... [2023-09-12 11:52:28,391 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 11:52:28" (1/1) ... [2023-09-12 11:52:28,392 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-12 11:52:28,395 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-12 11:52:28,395 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-12 11:52:28,395 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-12 11:52:28,397 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.09 11:52:28" (1/1) ... [2023-09-12 11:52:28,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-12 11:52:28,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-12 11:52:28,424 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-09-12 11:52:28,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-09-12 11:52:28,465 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-09-12 11:52:28,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-12 11:52:28,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-12 11:52:28,510 INFO L236 CfgBuilder]: Building ICFG [2023-09-12 11:52:28,512 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-12 11:52:28,636 INFO L277 CfgBuilder]: Performing block encoding [2023-09-12 11:52:28,646 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-12 11:52:28,646 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-12 11:52:28,648 INFO L201 PluginConnector]: Adding new model thread-pooling.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 11:52:28 BoogieIcfgContainer [2023-09-12 11:52:28,648 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-12 11:52:28,649 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-09-12 11:52:28,649 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-09-12 11:52:28,649 INFO L274 PluginConnector]: IcfgToChc initialized [2023-09-12 11:52:28,651 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 11:52:28" (1/1) ... [2023-09-12 11:52:28,887 INFO L201 PluginConnector]: Adding new model thread-pooling.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.09 11:52:28 HornClauseAST [2023-09-12 11:52:28,887 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-09-12 11:52:28,888 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-09-12 11:52:28,888 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-09-12 11:52:28,888 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-09-12 11:52:28,893 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.09 11:52:28" (1/1) ... [2023-09-12 11:52:28,894 INFO L192 hcSmtPrinterObserver]: Writing to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/thread-pooling/CHC_conditional_thread-pooling.bpl_UID17006917930947892040.smt2 [2023-09-12 11:52:28,931 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-09-12 11:52:28,931 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2023-09-12 11:52:28,931 INFO L270 PluginConnector]: Initializing ChcSolver... [2023-09-12 11:52:28,932 INFO L274 PluginConnector]: ChcSolver initialized [2023-09-12 11:52:28,933 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.09 11:52:28" (1/1) ... [2023-09-12 11:52:28,934 WARN L147 ChcSolverObserver]: Derivation production is not supported by backend [2023-09-12 11:52:28,934 WARN L153 ChcSolverObserver]: UNSAT core production is not supported by backend [2023-09-12 11:52:28,934 INFO L91 EldaricaCliChcScript]: Writing script to file /tmp/eldarica_8189441525730225433.smt2 [2023-09-12 11:52:28,944 ERROR L181 MonitoredProcess]: Could not determine absolute path of external process, hoping that OS will resolve eld [2023-09-12 11:52:28,944 INFO L189 MonitoredProcess]: No working directory specified, using eld [2023-09-12 11:52:28,953 INFO L229 MonitoredProcess]: Starting monitored process 2 with eld -disj -ssol /tmp/eldarica_8189441525730225433.smt2 (exit command is null, workingDir is null) [2023-09-12 11:52:28,957 INFO L327 MonitoredProcess]: [MP eld -disj -ssol /tmp/eldarica_8189441525730225433.smt2 (2)] Waiting until timeout for monitored process [2023-09-12 11:52:32,751 INFO L201 PluginConnector]: Adding new model thread-pooling.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 12.09 11:52:32 ChcSolution [2023-09-12 11:52:32,751 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2023-09-12 11:52:32,753 INFO L158 Benchmark]: Toolchain (without parser) took 4395.04ms. Allocated memory is still 348.1MB. Free memory was 304.8MB in the beginning and 318.0MB in the end (delta: -13.2MB). There was no memory consumed. Max. memory is 15.0GB. [2023-09-12 11:52:32,753 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.21ms. Allocated memory is still 348.1MB. Free memory is still 305.8MB. There was no memory consumed. Max. memory is 15.0GB. [2023-09-12 11:52:32,754 INFO L158 Benchmark]: Boogie Preprocessor took 34.23ms. Allocated memory is still 348.1MB. Free memory was 304.7MB in the beginning and 302.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-09-12 11:52:32,754 INFO L158 Benchmark]: RCFGBuilder took 253.44ms. Allocated memory is still 348.1MB. Free memory was 302.7MB in the beginning and 293.9MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. [2023-09-12 11:52:32,755 INFO L158 Benchmark]: IcfgToChc took 238.73ms. Allocated memory is still 348.1MB. Free memory was 293.7MB in the beginning and 285.8MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. [2023-09-12 11:52:32,755 INFO L158 Benchmark]: ChcSmtPrinter took 42.92ms. Allocated memory is still 348.1MB. Free memory was 285.8MB in the beginning and 321.3MB in the end (delta: -35.5MB). Peak memory consumption was 11.4MB. Max. memory is 15.0GB. [2023-09-12 11:52:32,756 INFO L158 Benchmark]: ChcSolver took 3819.90ms. Allocated memory is still 348.1MB. Free memory was 321.3MB in the beginning and 318.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 15.0GB. [2023-09-12 11:52:32,772 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21ms. Allocated memory is still 348.1MB. Free memory is still 305.8MB. There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 34.23ms. Allocated memory is still 348.1MB. Free memory was 304.7MB in the beginning and 302.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * RCFGBuilder took 253.44ms. Allocated memory is still 348.1MB. Free memory was 302.7MB in the beginning and 293.9MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. * IcfgToChc took 238.73ms. Allocated memory is still 348.1MB. Free memory was 293.7MB in the beginning and 285.8MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. * ChcSmtPrinter took 42.92ms. Allocated memory is still 348.1MB. Free memory was 285.8MB in the beginning and 321.3MB in the end (delta: -35.5MB). Peak memory consumption was 11.4MB. Max. memory is 15.0GB. * ChcSolver took 3819.90ms. Allocated memory is still 348.1MB. Free memory was 321.3MB in the beginning and 318.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 15.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.chcsolver: - ChcUnsatResult: UNSAT The given horn clause set is UNSAT RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-09-12 11:52:32,781 WARN L435 MonitoredProcess]: [MP eld -disj -ssol /tmp/eldarica_8189441525730225433.smt2 (2)] Forcibly destroying the process [2023-09-12 11:52:32,797 INFO L540 MonitoredProcess]: [MP eld -disj -ssol /tmp/eldarica_8189441525730225433.smt2 (2)] Forceful destruction successful, exit code 0 [2023-09-12 11:52:32,802 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...