/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx22000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data --icfgtochc.assume.program.has.a.precondition True --icfgtochc.specification.mode ASSERT_VIOLATIONS --icfgtochc.single-instance.threads source --icfgtochc.thread-modular.proof.level 2 --icfgtochc.preference.order.used.for.reduction LOCKSTEP --icfgtochc.use.semi-commutativity True -s ../../../trunk/examples/concurrent/bpl/parameterized/line-queue/../ThreadModularVerifier.Settings.epf -tc ../../../trunk/examples/concurrent/bpl/parameterized/ThreadModularVerifier.xml --icfgtochc.enable.sleep.set.reduction false --chcsolver.chc.solver.backend ELDARICA -i ../../../trunk/examples/concurrent/bpl/parameterized/line-queue/line-queue.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.sleep-threadmodular-07d3146-m [2025-01-04 07:42:19,574 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-04 07:42:19,618 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/line-queue/../ThreadModularVerifier.Settings.epf [2025-01-04 07:42:19,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-04 07:42:19,626 INFO L151 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2025-01-04 07:42:19,626 INFO L153 SettingsManager]: * Produce CHC model if query is SAT=false [2025-01-04 07:42:19,626 INFO L153 SettingsManager]: * CHC solver backend=Z3 [2025-01-04 07:42:19,626 INFO L153 SettingsManager]: * Produce derivation if query is UNSAT=false [2025-01-04 07:42:19,626 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-04 07:42:19,626 INFO L153 SettingsManager]: * Size of a code block=OneNontrivialStatement [2025-01-04 07:42:19,626 INFO L153 SettingsManager]: * Add additional assume for each assert=false [2025-01-04 07:42:19,626 INFO L151 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2025-01-04 07:42:19,626 INFO L153 SettingsManager]: * Conditional Independence=SUFFICIENT [2025-01-04 07:42:19,626 INFO L151 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2025-01-04 07:42:19,627 INFO L153 SettingsManager]: * Save file in source directory=true [2025-01-04 07:42:19,627 INFO L153 SettingsManager]: * Use automatic naming=true [2025-01-04 07:42:19,627 INFO L153 SettingsManager]: * File name=CHC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Assume program has a precondition -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Specification mode -> ASSERT_VIOLATIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Single-instance threads -> source Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Thread-Modular Proof Level -> 2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Preference order used for reduction -> LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Use semi-commutativity -> true 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 [2025-01-04 07:42:19,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-04 07:42:19,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-04 07:42:19,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-04 07:42:19,922 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-04 07:42:19,922 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-04 07:42:19,923 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/line-queue/line-queue.bpl [2025-01-04 07:42:19,923 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/line-queue/line-queue.bpl' [2025-01-04 07:42:19,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-04 07:42:19,937 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-01-04 07:42:19,937 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-04 07:42:19,937 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-04 07:42:19,937 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-04 07:42:19,946 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "line-queue.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.01 07:42:19" (1/1) ... [2025-01-04 07:42:19,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "line-queue.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.01 07:42:19" (1/1) ... [2025-01-04 07:42:19,950 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "line-queue.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.01 07:42:19" (1/1) ... [2025-01-04 07:42:19,950 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "line-queue.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.01 07:42:19" (1/1) ... [2025-01-04 07:42:19,952 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "line-queue.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.01 07:42:19" (1/1) ... [2025-01-04 07:42:19,952 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "line-queue.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.01 07:42:19" (1/1) ... [2025-01-04 07:42:19,954 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "line-queue.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.01 07:42:19" (1/1) ... [2025-01-04 07:42:19,954 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "line-queue.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.01 07:42:19" (1/1) ... [2025-01-04 07:42:19,955 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "line-queue.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.01 07:42:19" (1/1) ... [2025-01-04 07:42:19,955 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-04 07:42:19,956 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-04 07:42:19,956 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-04 07:42:19,956 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-04 07:42:19,957 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "line-queue.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.01 07:42:19" (1/1) ... [2025-01-04 07:42:19,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-04 07:42:19,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-04 07:42:19,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-04 07:42:19,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-01-04 07:42:20,000 INFO L124 BoogieDeclarations]: Specification and implementation of procedure source given in one single declaration [2025-01-04 07:42:20,000 INFO L130 BoogieDeclarations]: Found specification of procedure source [2025-01-04 07:42:20,000 INFO L138 BoogieDeclarations]: Found implementation of procedure source [2025-01-04 07:42:20,000 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-01-04 07:42:20,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-04 07:42:20,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-04 07:42:20,046 INFO L234 CfgBuilder]: Building ICFG [2025-01-04 07:42:20,051 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-04 07:42:20,052 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-04 07:42:20,124 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-04 07:42:20,134 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2025-01-04 07:42:20,134 INFO L283 CfgBuilder]: Performing block encoding [2025-01-04 07:42:20,143 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-04 07:42:20,143 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-04 07:42:20,143 INFO L201 PluginConnector]: Adding new model line-queue.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.01 07:42:20 BoogieIcfgContainer [2025-01-04 07:42:20,143 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-04 07:42:20,144 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2025-01-04 07:42:20,144 INFO L270 PluginConnector]: Initializing IcfgToChc... [2025-01-04 07:42:20,144 INFO L274 PluginConnector]: IcfgToChc initialized [2025-01-04 07:42:20,147 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "line-queue.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.01 07:42:20" (1/1) ... [2025-01-04 07:42:20,250 INFO L201 PluginConnector]: Adding new model line-queue.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 04.01 07:42:20 HornClauseAST [2025-01-04 07:42:20,250 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2025-01-04 07:42:20,251 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2025-01-04 07:42:20,251 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2025-01-04 07:42:20,251 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2025-01-04 07:42:20,251 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "line-queue.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 04.01 07:42:20" (1/1) ... [2025-01-04 07:42:20,252 INFO L192 hcSmtPrinterObserver]: Writing to file /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/line-queue/CHC_line-queue.bpl_UID14760801623086216988.smt2 [2025-01-04 07:42:20,281 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2025-01-04 07:42:20,282 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2025-01-04 07:42:20,282 INFO L270 PluginConnector]: Initializing ChcSolver... [2025-01-04 07:42:20,282 INFO L274 PluginConnector]: ChcSolver initialized [2025-01-04 07:42:20,287 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "line-queue.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 04.01 07:42:20" (1/1) ... [2025-01-04 07:42:20,288 INFO L99 EldaricaCliChcScript]: Writing script to file /tmp/eldarica_2477371575723972511.smt2 [2025-01-04 07:42:20,304 ERROR L181 MonitoredProcess]: Could not determine absolute path of external process, hoping that OS will resolve eld [2025-01-04 07:42:20,305 INFO L189 MonitoredProcess]: No working directory specified, using eld [2025-01-04 07:42:20,307 INFO L229 MonitoredProcess]: Starting monitored process 2 with eld -disj /tmp/eldarica_2477371575723972511.smt2 (exit command is null, workingDir is null) [2025-01-04 07:42:20,308 INFO L327 MonitoredProcess]: [MP eld -disj /tmp/eldarica_2477371575723972511.smt2 (2)] Waiting until timeout for monitored process [2025-01-04 07:44:17,417 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: stack overflow at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1511) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:268) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:291) at de.uni_freiburg.informatik.ultimate.lib.chc.EldaricaCliChcScript.solve(EldaricaCliChcScript.java:122) at de.uni_freiburg.informatik.ultimate.lib.chc.EldaricaCliChcScript.solve(EldaricaCliChcScript.java:90) at de.uni_freiburg.informatik.ultimate.plugins.chcsolver.ChcSolverObserver.process(ChcSolverObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-01-04 07:44:17,421 INFO L158 Benchmark]: Toolchain (without parser) took 117483.55ms. Allocated memory is still 167.8MB. Free memory was 148.1MB in the beginning and 138.5MB in the end (delta: 9.5MB). Peak memory consumption was 1.9MB. Max. memory is 22.0GB. [2025-01-04 07:44:17,421 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 167.8MB. Free memory was 149.0MB in the beginning and 149.0MB in the end (delta: 16.8kB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-04 07:44:17,421 INFO L158 Benchmark]: Boogie Preprocessor took 18.27ms. Allocated memory is still 167.8MB. Free memory was 148.0MB in the beginning and 146.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-04 07:44:17,422 INFO L158 Benchmark]: RCFGBuilder took 187.33ms. Allocated memory is still 167.8MB. Free memory was 146.5MB in the beginning and 137.8MB in the end (delta: 8.7MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-04 07:44:17,422 INFO L158 Benchmark]: IcfgToChc took 106.47ms. Allocated memory is still 167.8MB. Free memory was 137.8MB in the beginning and 146.3MB in the end (delta: -8.5MB). Peak memory consumption was 19.1MB. Max. memory is 22.0GB. [2025-01-04 07:44:17,422 INFO L158 Benchmark]: ChcSmtPrinter took 30.90ms. Allocated memory is still 167.8MB. Free memory was 146.3MB in the beginning and 144.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-04 07:44:17,423 INFO L158 Benchmark]: ChcSolver took 117137.99ms. Allocated memory is still 167.8MB. Free memory was 144.4MB in the beginning and 138.5MB in the end (delta: 5.9MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-04 07:44:17,424 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 167.8MB. Free memory was 149.0MB in the beginning and 149.0MB in the end (delta: 16.8kB). There was no memory consumed. Max. memory is 22.0GB. * Boogie Preprocessor took 18.27ms. Allocated memory is still 167.8MB. Free memory was 148.0MB in the beginning and 146.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 22.0GB. * RCFGBuilder took 187.33ms. Allocated memory is still 167.8MB. Free memory was 146.5MB in the beginning and 137.8MB in the end (delta: 8.7MB). There was no memory consumed. Max. memory is 22.0GB. * IcfgToChc took 106.47ms. Allocated memory is still 167.8MB. Free memory was 137.8MB in the beginning and 146.3MB in the end (delta: -8.5MB). Peak memory consumption was 19.1MB. Max. memory is 22.0GB. * ChcSmtPrinter took 30.90ms. Allocated memory is still 167.8MB. Free memory was 146.3MB in the beginning and 144.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 22.0GB. * ChcSolver took 117137.99ms. Allocated memory is still 167.8MB. Free memory was 144.4MB in the beginning and 138.5MB in the end (delta: 5.9MB). There was no memory consumed. Max. memory is 22.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.chcsolver: - ExceptionOrErrorResult: SMTLIBException: stack overflow de.uni_freiburg.informatik.ultimate.plugins.chcsolver: SMTLIBException: stack overflow: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1511) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2025-01-04 07:44:17,428 WARN L435 MonitoredProcess]: [MP eld -disj /tmp/eldarica_2477371575723972511.smt2 (2)] Forcibly destroying the process [2025-01-04 07:44:17,597 INFO L540 MonitoredProcess]: [MP eld -disj /tmp/eldarica_2477371575723972511.smt2 (2)] Forceful destruction successful, exit code 137 [2025-01-04 07:44:17,603 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...