/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 --chcsolver.chc.solver.backend Z3 --chcsolver.produce.chc.model.if.query.is.sat true --chcsolver.produce.derivation.if.query.is.unsat false --chcsolver.produce.unsat.core.if.query.is.unsat false -i ../../../trunk/examples/threadmodular/regression/thread-pooling/thread-pooling.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.sleep-threadmodular-5ab1b01-m [2023-07-03 20:18:02,343 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-07-03 20:18:02,395 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/thread-pooling/ThreadModularVerifier.Settings.epf [2023-07-03 20:18:02,405 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-07-03 20:18:02,406 INFO L135 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-07-03 20:18:02,406 INFO L137 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-07-03 20:18:02,407 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-07-03 20:18:02,407 INFO L137 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-07-03 20:18:02,407 INFO L137 SettingsManager]: * Add additional assume for each assert=false [2023-07-03 20:18:02,412 INFO L135 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2023-07-03 20:18:02,412 INFO L137 SettingsManager]: * Specification mode=ASSERT_VIOLATIONS [2023-07-03 20:18:02,412 INFO L137 SettingsManager]: * Assume program has a precondition=false [2023-07-03 20:18:02,413 INFO L137 SettingsManager]: * Conditional Independence=PRECOMPUTED_CONDITIONS [2023-07-03 20:18:02,414 INFO L135 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-07-03 20:18:02,414 INFO L137 SettingsManager]: * Save file in source directory=true [2023-07-03 20:18:02,414 INFO L137 SettingsManager]: * Use automatic naming=true [2023-07-03 20:18:02,414 INFO L137 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Enable sleep set reduction -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> Z3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce CHC model if query is SAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce derivation if query is UNSAT -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce UNSAT core if query is UNSAT -> false [2023-07-03 20:18:02,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-07-03 20:18:02,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-07-03 20:18:02,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-07-03 20:18:02,626 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-07-03 20:18:02,629 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-07-03 20:18:02,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/thread-pooling/thread-pooling.bpl [2023-07-03 20:18:02,630 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/thread-pooling/thread-pooling.bpl' [2023-07-03 20:18:02,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-07-03 20:18:02,657 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-07-03 20:18:02,658 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-07-03 20:18:02,658 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-07-03 20:18:02,658 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-07-03 20:18:02,670 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:18:02" (1/1) ... [2023-07-03 20:18:02,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:18:02" (1/1) ... [2023-07-03 20:18:02,677 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:18:02" (1/1) ... [2023-07-03 20:18:02,677 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:18:02" (1/1) ... [2023-07-03 20:18:02,679 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:18:02" (1/1) ... [2023-07-03 20:18:02,682 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:18:02" (1/1) ... [2023-07-03 20:18:02,682 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:18:02" (1/1) ... [2023-07-03 20:18:02,683 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:18:02" (1/1) ... [2023-07-03 20:18:02,683 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-07-03 20:18:02,685 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-07-03 20:18:02,685 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-07-03 20:18:02,685 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-07-03 20:18:02,687 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:18:02" (1/1) ... [2023-07-03 20:18:02,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-07-03 20:18:02,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-07-03 20:18:02,721 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) [2023-07-03 20:18:02,726 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 [2023-07-03 20:18:02,749 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-07-03 20:18:02,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-07-03 20:18:02,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-07-03 20:18:02,789 INFO L236 CfgBuilder]: Building ICFG [2023-07-03 20:18:02,790 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-07-03 20:18:02,854 INFO L277 CfgBuilder]: Performing block encoding [2023-07-03 20:18:02,860 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-07-03 20:18:02,860 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-07-03 20:18:02,862 INFO L201 PluginConnector]: Adding new model thread-pooling.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.07 08:18:02 BoogieIcfgContainer [2023-07-03 20:18:02,862 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-07-03 20:18:02,862 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-07-03 20:18:02,862 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-07-03 20:18:02,862 INFO L274 PluginConnector]: IcfgToChc initialized [2023-07-03 20:18:02,864 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.07 08:18:02" (1/1) ... [2023-07-03 20:18:03,109 INFO L201 PluginConnector]: Adding new model thread-pooling.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.07 08:18:03 HornClauseAST [2023-07-03 20:18:03,109 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-07-03 20:18:03,110 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-07-03 20:18:03,110 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-07-03 20:18:03,110 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-07-03 20:18:03,110 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.07 08:18:03" (1/1) ... [2023-07-03 20:18:03,117 INFO L192 hcSmtPrinterObserver]: Writing to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/thread-pooling/CHC_conditional_thread-pooling.bpl_UID13448456489817989382.smt2 [2023-07-03 20:18:03,155 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-07-03 20:18:03,155 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2023-07-03 20:18:03,155 INFO L270 PluginConnector]: Initializing ChcSolver... [2023-07-03 20:18:03,156 INFO L274 PluginConnector]: ChcSolver initialized [2023-07-03 20:18:03,166 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.07 08:18:03" (1/1) ... [2023-07-03 20:18:03,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-07-03 20:18:03,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-07-03 20:18:03,179 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-07-03 20:18:03,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-07-03 20:18:03,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-07-03 20:18:03,192 ERROR L418 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Exception during sending of exit command (exit): Broken pipe [2023-07-03 20:18:03,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-07-03 20:18:03,197 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-07-03 20:18:03,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process Received shutdown request... [2023-07-03 20:47:58,339 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-07-03 20:47:58,350 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-07-03 20:47:59,357 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 [2023-07-03 20:47:59,539 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forcibly destroying the process [2023-07-03 20:47:59,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 137 [2023-07-03 20:47:59,636 INFO L257 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver. Reason: Timeout or Toolchain cancelled by user [2023-07-03 20:47:59,638 INFO L158 Benchmark]: Toolchain (without parser) took 1796980.63ms. Allocated memory was 239.1MB in the beginning and 350.2MB in the end (delta: 111.1MB). Free memory was 198.7MB in the beginning and 292.6MB in the end (delta: -93.9MB). Peak memory consumption was 17.1MB. Max. memory is 15.0GB. [2023-07-03 20:47:59,638 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 239.1MB. Free memory is still 199.8MB. There was no memory consumed. Max. memory is 15.0GB. [2023-07-03 20:47:59,638 INFO L158 Benchmark]: Boogie Preprocessor took 25.97ms. Allocated memory is still 239.1MB. Free memory was 198.7MB in the beginning and 196.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-07-03 20:47:59,639 INFO L158 Benchmark]: RCFGBuilder took 176.77ms. Allocated memory was 239.1MB in the beginning and 350.2MB in the end (delta: 111.1MB). Free memory was 196.7MB in the beginning and 325.0MB in the end (delta: -128.3MB). Peak memory consumption was 10.8MB. Max. memory is 15.0GB. [2023-07-03 20:47:59,639 INFO L158 Benchmark]: IcfgToChc took 246.96ms. Allocated memory is still 350.2MB. Free memory was 325.0MB in the beginning and 315.9MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. [2023-07-03 20:47:59,639 INFO L158 Benchmark]: ChcSmtPrinter took 45.40ms. Allocated memory is still 350.2MB. Free memory was 315.9MB in the beginning and 313.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-07-03 20:47:59,640 INFO L158 Benchmark]: ChcSolver took 1796481.23ms. Allocated memory is still 350.2MB. Free memory was 313.1MB in the beginning and 292.6MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 15.0GB. [2023-07-03 20:47:59,652 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 0.14ms. Allocated memory is still 239.1MB. Free memory is still 199.8MB. There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 25.97ms. Allocated memory is still 239.1MB. Free memory was 198.7MB in the beginning and 196.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * RCFGBuilder took 176.77ms. Allocated memory was 239.1MB in the beginning and 350.2MB in the end (delta: 111.1MB). Free memory was 196.7MB in the beginning and 325.0MB in the end (delta: -128.3MB). Peak memory consumption was 10.8MB. Max. memory is 15.0GB. * IcfgToChc took 246.96ms. Allocated memory is still 350.2MB. Free memory was 325.0MB in the beginning and 315.9MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. * ChcSmtPrinter took 45.40ms. Allocated memory is still 350.2MB. Free memory was 315.9MB in the beginning and 313.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * ChcSolver took 1796481.23ms. Allocated memory is still 350.2MB. Free memory was 313.1MB in the beginning and 292.6MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 15.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.chcsolver: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.chcsolver) Toolchain cancelled while executing Executor. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown