/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 GOLEM -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 09:35:50,871 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-04 09:35:50,964 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 09:35:50,978 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-04 09:35:50,978 INFO L151 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2025-01-04 09:35:50,978 INFO L153 SettingsManager]: * Produce CHC model if query is SAT=false [2025-01-04 09:35:50,979 INFO L153 SettingsManager]: * CHC solver backend=Z3 [2025-01-04 09:35:50,979 INFO L153 SettingsManager]: * Produce derivation if query is UNSAT=false [2025-01-04 09:35:50,979 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-04 09:35:50,979 INFO L153 SettingsManager]: * Size of a code block=OneNontrivialStatement [2025-01-04 09:35:50,979 INFO L153 SettingsManager]: * Add additional assume for each assert=false [2025-01-04 09:35:50,979 INFO L151 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2025-01-04 09:35:50,980 INFO L153 SettingsManager]: * Conditional Independence=SUFFICIENT [2025-01-04 09:35:50,980 INFO L151 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2025-01-04 09:35:50,980 INFO L153 SettingsManager]: * Save file in source directory=true [2025-01-04 09:35:50,980 INFO L153 SettingsManager]: * Use automatic naming=true [2025-01-04 09:35:50,980 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 -> GOLEM [2025-01-04 09:35:51,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-04 09:35:51,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-04 09:35:51,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-04 09:35:51,276 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-04 09:35:51,277 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-04 09:35:51,280 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/line-queue/line-queue.bpl [2025-01-04 09:35:51,280 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/parameterized/line-queue/line-queue.bpl' [2025-01-04 09:35:51,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-04 09:35:51,312 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-01-04 09:35:51,313 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-04 09:35:51,313 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-04 09:35:51,313 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-04 09:35:51,325 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 09:35:51" (1/1) ... [2025-01-04 09:35:51,326 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 09:35:51" (1/1) ... [2025-01-04 09:35:51,331 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 09:35:51" (1/1) ... [2025-01-04 09:35:51,331 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 09:35:51" (1/1) ... [2025-01-04 09:35:51,335 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 09:35:51" (1/1) ... [2025-01-04 09:35:51,335 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 09:35:51" (1/1) ... [2025-01-04 09:35:51,338 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 09:35:51" (1/1) ... [2025-01-04 09:35:51,339 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 09:35:51" (1/1) ... [2025-01-04 09:35:51,340 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 09:35:51" (1/1) ... [2025-01-04 09:35:51,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-04 09:35:51,345 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-04 09:35:51,345 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-04 09:35:51,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-04 09:35:51,346 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "line-queue.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.01 09:35:51" (1/1) ... [2025-01-04 09:35:51,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-04 09:35:51,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-04 09:35:51,374 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 09:35:51,381 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 09:35:51,407 INFO L124 BoogieDeclarations]: Specification and implementation of procedure source given in one single declaration [2025-01-04 09:35:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure source [2025-01-04 09:35:51,408 INFO L138 BoogieDeclarations]: Found implementation of procedure source [2025-01-04 09:35:51,408 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-01-04 09:35:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-04 09:35:51,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-04 09:35:51,455 INFO L234 CfgBuilder]: Building ICFG [2025-01-04 09:35:51,457 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-04 09:35:51,459 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-04 09:35:51,535 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-04 09:35:51,554 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2025-01-04 09:35:51,554 INFO L283 CfgBuilder]: Performing block encoding [2025-01-04 09:35:51,571 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-04 09:35:51,571 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-04 09:35:51,575 INFO L201 PluginConnector]: Adding new model line-queue.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.01 09:35:51 BoogieIcfgContainer [2025-01-04 09:35:51,575 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-04 09:35:51,575 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2025-01-04 09:35:51,575 INFO L270 PluginConnector]: Initializing IcfgToChc... [2025-01-04 09:35:51,576 INFO L274 PluginConnector]: IcfgToChc initialized [2025-01-04 09:35:51,577 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 09:35:51" (1/1) ... [2025-01-04 09:35:51,685 INFO L201 PluginConnector]: Adding new model line-queue.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 04.01 09:35:51 HornClauseAST [2025-01-04 09:35:51,685 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2025-01-04 09:35:51,686 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2025-01-04 09:35:51,686 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2025-01-04 09:35:51,686 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2025-01-04 09:35:51,687 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "line-queue.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 04.01 09:35:51" (1/1) ... [2025-01-04 09:35:51,688 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_UID13734997796683956994.smt2 [2025-01-04 09:35:51,731 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2025-01-04 09:35:51,732 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2025-01-04 09:35:51,732 INFO L270 PluginConnector]: Initializing ChcSolver... [2025-01-04 09:35:51,732 INFO L274 PluginConnector]: ChcSolver initialized [2025-01-04 09:35:51,735 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "line-queue.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 04.01 09:35:51" (1/1) ... [2025-01-04 09:35:51,736 INFO L89 GolemChcScript]: Writing script to file /tmp/golem_15027663085876003202.smt2 [2025-01-04 09:35:51,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/golem [2025-01-04 09:35:51,758 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/golem /tmp/golem_15027663085876003202.smt2 (exit command is null, workingDir is null) [2025-01-04 09:35:51,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/golem /tmp/golem_15027663085876003202.smt2 (2)] Waiting until timeout for monitored process [2025-01-04 09:35:51,762 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: golem (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/golem /tmp/golem_15027663085876003202.smt2 (2) without exit command) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:272) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:291) at de.uni_freiburg.informatik.ultimate.lib.chc.GolemChcScript.solve(GolemChcScript.java:108) at de.uni_freiburg.informatik.ultimate.lib.chc.GolemChcScript.solve(GolemChcScript.java:80) 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) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) 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) ... 17 more [2025-01-04 09:35:51,763 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/golem /tmp/golem_15027663085876003202.smt2 (2)] Forceful destruction successful, exit code 139 [2025-01-04 09:35:51,767 INFO L158 Benchmark]: Toolchain (without parser) took 458.86ms. Allocated memory is still 167.8MB. Free memory was 145.6MB in the beginning and 125.9MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 22.0GB. [2025-01-04 09:35:51,768 INFO L158 Benchmark]: Boogie PL CUP Parser took 1.51ms. Allocated memory is still 167.8MB. Free memory is still 146.6MB. There was no memory consumed. Max. memory is 22.0GB. [2025-01-04 09:35:51,768 INFO L158 Benchmark]: Boogie Preprocessor took 31.88ms. Allocated memory is still 167.8MB. Free memory was 145.6MB in the beginning and 144.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-04 09:35:51,768 INFO L158 Benchmark]: RCFGBuilder took 229.74ms. Allocated memory is still 167.8MB. Free memory was 144.1MB in the beginning and 135.2MB in the end (delta: 8.8MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-04 09:35:51,768 INFO L158 Benchmark]: IcfgToChc took 109.51ms. Allocated memory is still 167.8MB. Free memory was 135.2MB in the beginning and 129.1MB in the end (delta: 6.0MB). Peak memory consumption was 16.8MB. Max. memory is 22.0GB. [2025-01-04 09:35:51,769 INFO L158 Benchmark]: ChcSmtPrinter took 45.73ms. Allocated memory is still 167.8MB. Free memory was 129.1MB in the beginning and 127.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-04 09:35:51,769 INFO L158 Benchmark]: ChcSolver took 34.06ms. Allocated memory is still 167.8MB. Free memory was 127.2MB in the beginning and 126.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 22.0GB. [2025-01-04 09:35:51,771 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 1.51ms. Allocated memory is still 167.8MB. Free memory is still 146.6MB. There was no memory consumed. Max. memory is 22.0GB. * Boogie Preprocessor took 31.88ms. Allocated memory is still 167.8MB. Free memory was 145.6MB in the beginning and 144.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 22.0GB. * RCFGBuilder took 229.74ms. Allocated memory is still 167.8MB. Free memory was 144.1MB in the beginning and 135.2MB in the end (delta: 8.8MB). There was no memory consumed. Max. memory is 22.0GB. * IcfgToChc took 109.51ms. Allocated memory is still 167.8MB. Free memory was 135.2MB in the beginning and 129.1MB in the end (delta: 6.0MB). Peak memory consumption was 16.8MB. Max. memory is 22.0GB. * ChcSmtPrinter took 45.73ms. Allocated memory is still 167.8MB. Free memory was 129.1MB in the beginning and 127.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 22.0GB. * ChcSolver took 34.06ms. Allocated memory is still 167.8MB. Free memory was 127.2MB in the beginning and 126.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 22.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.chcsolver: - ExceptionOrErrorResult: SMTLIBException: golem (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/golem /tmp/golem_15027663085876003202.smt2 (2) without exit command) Received EOF on stdin. No stderr output. de.uni_freiburg.informatik.ultimate.plugins.chcsolver: SMTLIBException: golem (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/golem /tmp/golem_15027663085876003202.smt2 (2) without exit command) Received EOF on stdin. No stderr output.: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:272) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2025-01-04 09:35:51,783 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...