/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 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/lock/lock.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.sleep-threadmodular-5ab1b01-m [2023-07-03 19:48:58,561 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-07-03 19:48:58,633 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/lock/ThreadModularVerifier.Settings.epf [2023-07-03 19:48:58,643 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-07-03 19:48:58,644 INFO L135 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-07-03 19:48:58,644 INFO L137 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-07-03 19:48:58,644 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-07-03 19:48:58,645 INFO L137 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-07-03 19:48:58,645 INFO L137 SettingsManager]: * Add additional assume for each assert=false [2023-07-03 19:48:58,650 INFO L135 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2023-07-03 19:48:58,650 INFO L137 SettingsManager]: * Specification mode=ASSERT_VIOLATIONS [2023-07-03 19:48:58,650 INFO L137 SettingsManager]: * Thread-Modular Proof Level=1 [2023-07-03 19:48:58,651 INFO L137 SettingsManager]: * Conditional Independence=PRECOMPUTED_CONDITIONS [2023-07-03 19:48:58,652 INFO L135 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-07-03 19:48:58,652 INFO L137 SettingsManager]: * Save file in source directory=true [2023-07-03 19:48:58,653 INFO L137 SettingsManager]: * Use automatic naming=true [2023-07-03 19:48:58,653 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Enable sleep set reduction -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> ELDARICA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce CHC model if query is SAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce derivation if query is UNSAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce UNSAT core if query is UNSAT -> true [2023-07-03 19:48:58,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-07-03 19:48:58,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-07-03 19:48:58,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-07-03 19:48:58,872 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-07-03 19:48:58,872 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-07-03 19:48:58,873 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/lock/lock.bpl [2023-07-03 19:48:58,873 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/lock/lock.bpl' [2023-07-03 19:48:58,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-07-03 19:48:58,891 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-07-03 19:48:58,892 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-07-03 19:48:58,892 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-07-03 19:48:58,892 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-07-03 19:48:58,903 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 07:48:58" (1/1) ... [2023-07-03 19:48:58,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 07:48:58" (1/1) ... [2023-07-03 19:48:58,910 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 07:48:58" (1/1) ... [2023-07-03 19:48:58,910 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 07:48:58" (1/1) ... [2023-07-03 19:48:58,912 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 07:48:58" (1/1) ... [2023-07-03 19:48:58,912 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 07:48:58" (1/1) ... [2023-07-03 19:48:58,913 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 07:48:58" (1/1) ... [2023-07-03 19:48:58,913 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 07:48:58" (1/1) ... [2023-07-03 19:48:58,914 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-07-03 19:48:58,915 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-07-03 19:48:58,915 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-07-03 19:48:58,915 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-07-03 19:48:58,916 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "lock.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 07:48:58" (1/1) ... [2023-07-03 19:48:58,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-07-03 19:48:58,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-07-03 19:48:58,935 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 19:48:58,959 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 19:48:58,984 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-07-03 19:48:58,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-07-03 19:48:58,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-07-03 19:48:59,019 INFO L236 CfgBuilder]: Building ICFG [2023-07-03 19:48:59,020 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-07-03 19:48:59,023 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-07-03 19:48:59,078 INFO L277 CfgBuilder]: Performing block encoding [2023-07-03 19:48:59,087 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-07-03 19:48:59,087 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-07-03 19:48:59,088 INFO L201 PluginConnector]: Adding new model lock.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.07 07:48:59 BoogieIcfgContainer [2023-07-03 19:48:59,088 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-07-03 19:48:59,089 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-07-03 19:48:59,089 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-07-03 19:48:59,089 INFO L274 PluginConnector]: IcfgToChc initialized [2023-07-03 19:48:59,090 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "lock.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.07 07:48:59" (1/1) ... [2023-07-03 19:48:59,258 INFO L201 PluginConnector]: Adding new model lock.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.07 07:48:59 HornClauseAST [2023-07-03 19:48:59,258 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-07-03 19:48:59,259 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-07-03 19:48:59,259 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-07-03 19:48:59,259 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-07-03 19:48:59,260 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "lock.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.07 07:48:59" (1/1) ... [2023-07-03 19:48:59,261 INFO L192 hcSmtPrinterObserver]: Writing to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/lock/CHC_conditional_lock.bpl_UID4782561247250142716.smt2 [2023-07-03 19:48:59,275 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-07-03 19:48:59,276 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2023-07-03 19:48:59,276 INFO L270 PluginConnector]: Initializing ChcSolver... [2023-07-03 19:48:59,276 INFO L274 PluginConnector]: ChcSolver initialized [2023-07-03 19:48:59,283 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "lock.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.07 07:48:59" (1/1) ... [2023-07-03 19:48:59,283 WARN L147 ChcSolverObserver]: Derivation production is not supported by backend [2023-07-03 19:48:59,283 WARN L153 ChcSolverObserver]: UNSAT core production is not supported by backend [2023-07-03 19:48:59,284 INFO L91 EldaricaCliChcScript]: Writing script to file /tmp/eldarica_792804386303153161.smt2 [2023-07-03 19:48:59,289 ERROR L181 MonitoredProcess]: Could not determine absolute path of external process, hoping that OS will resolve eld [2023-07-03 19:48:59,289 INFO L189 MonitoredProcess]: No working directory specified, using eld [2023-07-03 19:48:59,291 INFO L229 MonitoredProcess]: Starting monitored process 2 with eld -disj -ssol /tmp/eldarica_792804386303153161.smt2 (exit command is null, workingDir is null) [2023-07-03 19:48:59,293 INFO L327 MonitoredProcess]: [MP eld -disj -ssol /tmp/eldarica_792804386303153161.smt2 (2)] Waiting until timeout for monitored process [2023-07-03 19:49:03,897 INFO L175 ChcSolverObserver]: ChcSolver found model: [2023-07-03 19:49:03,897 INFO L176 ChcSolverObserver]: (define-fun (Inv Bool Int Int Int Bool) ((A Bool) (B Int) (C Int) (D Int) ) Bool (or (and A (<= 0 D) (<= C 1)) (and (<= C 0) (<= 0 D)))) [2023-07-03 19:49:03,898 INFO L201 PluginConnector]: Adding new model lock.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 03.07 07:49:03 ChcSolution [2023-07-03 19:49:03,899 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2023-07-03 19:49:03,900 INFO L158 Benchmark]: Toolchain (without parser) took 5007.74ms. Allocated memory was 239.1MB in the beginning and 346.0MB in the end (delta: 107.0MB). Free memory was 200.3MB in the beginning and 312.0MB in the end (delta: -111.7MB). There was no memory consumed. Max. memory is 15.0GB. [2023-07-03 19:49:03,900 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 239.1MB. Free memory is still 201.3MB. There was no memory consumed. Max. memory is 15.0GB. [2023-07-03 19:49:03,901 INFO L158 Benchmark]: Boogie Preprocessor took 22.02ms. Allocated memory is still 239.1MB. Free memory was 200.3MB in the beginning and 198.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-07-03 19:49:03,901 INFO L158 Benchmark]: RCFGBuilder took 173.65ms. Allocated memory was 239.1MB in the beginning and 346.0MB in the end (delta: 107.0MB). Free memory was 198.3MB in the beginning and 320.0MB in the end (delta: -121.6MB). Peak memory consumption was 9.4MB. Max. memory is 15.0GB. [2023-07-03 19:49:03,902 INFO L158 Benchmark]: IcfgToChc took 169.67ms. Allocated memory is still 346.0MB. Free memory was 320.0MB in the beginning and 315.0MB in the end (delta: 5.0MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-07-03 19:49:03,902 INFO L158 Benchmark]: ChcSmtPrinter took 16.66ms. Allocated memory is still 346.0MB. Free memory was 315.0MB in the beginning and 314.2MB in the end (delta: 804.7kB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-07-03 19:49:03,902 INFO L158 Benchmark]: ChcSolver took 4622.83ms. Allocated memory is still 346.0MB. Free memory was 314.2MB in the beginning and 312.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-07-03 19:49:03,917 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 0.12ms. Allocated memory is still 239.1MB. Free memory is still 201.3MB. There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 22.02ms. Allocated memory is still 239.1MB. Free memory was 200.3MB in the beginning and 198.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * RCFGBuilder took 173.65ms. Allocated memory was 239.1MB in the beginning and 346.0MB in the end (delta: 107.0MB). Free memory was 198.3MB in the beginning and 320.0MB in the end (delta: -121.6MB). Peak memory consumption was 9.4MB. Max. memory is 15.0GB. * IcfgToChc took 169.67ms. Allocated memory is still 346.0MB. Free memory was 320.0MB in the beginning and 315.0MB in the end (delta: 5.0MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * ChcSmtPrinter took 16.66ms. Allocated memory is still 346.0MB. Free memory was 315.0MB in the beginning and 314.2MB in the end (delta: 804.7kB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * ChcSolver took 4622.83ms. Allocated memory is still 346.0MB. Free memory was 314.2MB in the beginning and 312.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. 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 19:49:03,941 WARN L435 MonitoredProcess]: [MP eld -disj -ssol /tmp/eldarica_792804386303153161.smt2 (2)] Forcibly destroying the process [2023-07-03 19:49:03,992 INFO L540 MonitoredProcess]: [MP eld -disj -ssol /tmp/eldarica_792804386303153161.smt2 (2)] Forceful destruction successful, exit code 0 [2023-07-03 19:49:03,998 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...