/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/lock/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/lock/lock.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.sleep-threadmodular-5ab1b01-m [2023-07-03 20:17:19,587 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-07-03 20:17:19,661 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/lock/ThreadModularVerifier.Settings.epf [2023-07-03 20:17:19,672 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-07-03 20:17:19,674 INFO L135 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-07-03 20:17:19,674 INFO L137 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-07-03 20:17:19,675 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-07-03 20:17:19,675 INFO L137 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-07-03 20:17:19,675 INFO L137 SettingsManager]: * Add additional assume for each assert=false [2023-07-03 20:17:19,680 INFO L135 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2023-07-03 20:17:19,680 INFO L137 SettingsManager]: * Specification mode=ASSERT_VIOLATIONS [2023-07-03 20:17:19,680 INFO L137 SettingsManager]: * Thread-Modular Proof Level=1 [2023-07-03 20:17:19,680 INFO L137 SettingsManager]: * Conditional Independence=PRECOMPUTED_CONDITIONS [2023-07-03 20:17:19,682 INFO L135 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-07-03 20:17:19,682 INFO L137 SettingsManager]: * Save file in source directory=true [2023-07-03 20:17:19,682 INFO L137 SettingsManager]: * Use automatic naming=true [2023-07-03 20:17:19,682 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Enable sleep set reduction -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> Z3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce CHC model if query is SAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce derivation if query is UNSAT -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce UNSAT core if query is UNSAT -> false [2023-07-03 20:17:19,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-07-03 20:17:19,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-07-03 20:17:19,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-07-03 20:17:19,906 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-07-03 20:17:19,908 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-07-03 20:17:19,909 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/lock/lock.bpl [2023-07-03 20:17:19,910 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/lock/lock.bpl' [2023-07-03 20:17:19,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-07-03 20:17:19,931 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-07-03 20:17:19,932 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-07-03 20:17:19,932 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-07-03 20:17:19,932 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-07-03 20:17:19,947 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:17:19" (1/1) ... [2023-07-03 20:17:19,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:17:19" (1/1) ... [2023-07-03 20:17:19,954 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:17:19" (1/1) ... [2023-07-03 20:17:19,954 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:17:19" (1/1) ... [2023-07-03 20:17:19,956 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:17:19" (1/1) ... [2023-07-03 20:17:19,956 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:17:19" (1/1) ... [2023-07-03 20:17:19,957 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:17:19" (1/1) ... [2023-07-03 20:17:19,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:17:19" (1/1) ... [2023-07-03 20:17:19,958 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-07-03 20:17:19,960 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-07-03 20:17:19,960 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-07-03 20:17:19,960 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-07-03 20:17:19,961 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:17:19" (1/1) ... [2023-07-03 20:17:19,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-07-03 20:17:19,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-07-03 20:17:19,990 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 20:17:19,993 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 20:17:20,018 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-07-03 20:17:20,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-07-03 20:17:20,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-07-03 20:17:20,059 INFO L236 CfgBuilder]: Building ICFG [2023-07-03 20:17:20,061 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-07-03 20:17:20,063 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-07-03 20:17:20,129 INFO L277 CfgBuilder]: Performing block encoding [2023-07-03 20:17:20,144 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-07-03 20:17:20,145 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-07-03 20:17:20,146 INFO L201 PluginConnector]: Adding new model lock.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.07 08:17:20 BoogieIcfgContainer [2023-07-03 20:17:20,146 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-07-03 20:17:20,147 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-07-03 20:17:20,147 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-07-03 20:17:20,147 INFO L274 PluginConnector]: IcfgToChc initialized [2023-07-03 20:17:20,150 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "lock.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.07 08:17:20" (1/1) ... [2023-07-03 20:17:20,334 INFO L201 PluginConnector]: Adding new model lock.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.07 08:17:20 HornClauseAST [2023-07-03 20:17:20,334 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-07-03 20:17:20,335 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-07-03 20:17:20,335 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-07-03 20:17:20,335 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-07-03 20:17:20,336 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "lock.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.07 08:17:20" (1/1) ... [2023-07-03 20:17:20,337 INFO L192 hcSmtPrinterObserver]: Writing to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/lock/CHC_conditional_lock.bpl_UID17305376733429435739.smt2 [2023-07-03 20:17:20,351 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-07-03 20:17:20,351 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2023-07-03 20:17:20,351 INFO L270 PluginConnector]: Initializing ChcSolver... [2023-07-03 20:17:20,352 INFO L274 PluginConnector]: ChcSolver initialized [2023-07-03 20:17:20,355 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "lock.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.07 08:17:20" (1/1) ... [2023-07-03 20:17:20,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-07-03 20:17:20,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-07-03 20:17:20,365 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 20:17:20,369 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 20:17:20,376 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-07-03 20:17:20,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-07-03 20:17:20,380 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 20:17:20,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-07-03 20:17:20,459 INFO L175 ChcSolverObserver]: ChcSolver found model: [2023-07-03 20:17:20,460 INFO L176 ChcSolverObserver]: (define-fun (Inv Bool Int Int Int Bool) ((x!0 Bool) (x!1 Int) (x!2 Int) (x!3 Int) ) Bool (and (or (< x!2 1) x!0) (< x!2 2))) [2023-07-03 20:17:20,464 ERROR L418 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Exception during sending of exit command (exit): Broken pipe [2023-07-03 20:17:20,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-07-03 20:17:20,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-07-03 20:17:20,472 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-07-03 20:17:20,486 INFO L201 PluginConnector]: Adding new model lock.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 03.07 08:17:20 ChcSolution [2023-07-03 20:17:20,486 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2023-07-03 20:17:20,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-07-03 20:17:20,488 INFO L158 Benchmark]: Toolchain (without parser) took 556.17ms. Allocated memory is still 432.0MB. Free memory was 389.2MB in the beginning and 404.5MB in the end (delta: -15.2MB). Peak memory consumption was 31.1MB. Max. memory is 15.0GB. [2023-07-03 20:17:20,488 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 432.0MB. Free memory was 390.3MB in the beginning and 390.2MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 15.0GB. [2023-07-03 20:17:20,488 INFO L158 Benchmark]: Boogie Preprocessor took 26.57ms. Allocated memory is still 432.0MB. Free memory was 389.2MB in the beginning and 387.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-07-03 20:17:20,489 INFO L158 Benchmark]: RCFGBuilder took 186.74ms. Allocated memory is still 432.0MB. Free memory was 387.4MB in the beginning and 378.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. [2023-07-03 20:17:20,490 INFO L158 Benchmark]: IcfgToChc took 187.59ms. Allocated memory is still 432.0MB. Free memory was 378.8MB in the beginning and 373.9MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. [2023-07-03 20:17:20,490 INFO L158 Benchmark]: ChcSmtPrinter took 15.91ms. Allocated memory is still 432.0MB. Free memory was 373.9MB in the beginning and 373.0MB in the end (delta: 899.7kB). There was no memory consumed. Max. memory is 15.0GB. [2023-07-03 20:17:20,491 INFO L158 Benchmark]: ChcSolver took 135.10ms. Allocated memory is still 432.0MB. Free memory was 373.0MB in the beginning and 404.7MB in the end (delta: -31.7MB). Peak memory consumption was 14.4MB. Max. memory is 15.0GB. [2023-07-03 20:17:20,494 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 0.13ms. Allocated memory is still 432.0MB. Free memory was 390.3MB in the beginning and 390.2MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 26.57ms. Allocated memory is still 432.0MB. Free memory was 389.2MB in the beginning and 387.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * RCFGBuilder took 186.74ms. Allocated memory is still 432.0MB. Free memory was 387.4MB in the beginning and 378.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. * IcfgToChc took 187.59ms. Allocated memory is still 432.0MB. Free memory was 378.8MB in the beginning and 373.9MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. * ChcSmtPrinter took 15.91ms. Allocated memory is still 432.0MB. Free memory was 373.9MB in the beginning and 373.0MB in the end (delta: 899.7kB). There was no memory consumed. Max. memory is 15.0GB. * ChcSolver took 135.10ms. Allocated memory is still 432.0MB. Free memory was 373.0MB in the beginning and 404.7MB in the end (delta: -31.7MB). Peak memory consumption was 14.4MB. Max. memory is 15.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.chcsolver: - ChcSatResult: SAT The given horn clause set is SAT RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-07-03 20:17:20,520 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-07-03 20:17:20,720 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...