/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/equalsum-fork/ThreadModularVerifier.Settings.epf -tc ../../../trunk/examples/threadmodular/regression/ThreadModularVerifier.xml --icfgtochc.enable.sleep.set.reduction false --chcsolver.chc.solver.backend GOLEM --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/equalsum-fork/equalsum-fork.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.sleep-threadmodular-3a8dd60-m [2023-06-12 16:29:16,979 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-06-12 16:29:17,043 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/equalsum-fork/ThreadModularVerifier.Settings.epf [2023-06-12 16:29:17,053 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-06-12 16:29:17,055 INFO L135 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-06-12 16:29:17,055 INFO L137 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-06-12 16:29:17,055 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-06-12 16:29:17,055 INFO L137 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-06-12 16:29:17,056 INFO L137 SettingsManager]: * Add additional assume for each assert=false [2023-06-12 16:29:17,061 INFO L135 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2023-06-12 16:29:17,061 INFO L137 SettingsManager]: * Specification mode=ASSERT_VIOLATIONS [2023-06-12 16:29:17,061 INFO L137 SettingsManager]: * Assume program has a precondition=false [2023-06-12 16:29:17,062 INFO L137 SettingsManager]: * Concurrency mode=SINGLE_MAIN_THREAD [2023-06-12 16:29:17,063 INFO L137 SettingsManager]: * Preference order used for reduction=LOCKSTEP [2023-06-12 16:29:17,063 INFO L135 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-06-12 16:29:17,063 INFO L137 SettingsManager]: * Save file in source directory=true [2023-06-12 16:29:17,064 INFO L137 SettingsManager]: * Use automatic naming=true [2023-06-12 16:29:17,064 INFO L137 SettingsManager]: * File name=CHC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Enable sleep set reduction -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> GOLEM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce CHC model if query is SAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce derivation if query is UNSAT -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce UNSAT core if query is UNSAT -> false [2023-06-12 16:29:17,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-06-12 16:29:17,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-06-12 16:29:17,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-06-12 16:29:17,274 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-06-12 16:29:17,274 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-06-12 16:29:17,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/equalsum-fork/equalsum-fork.bpl [2023-06-12 16:29:17,275 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/equalsum-fork/equalsum-fork.bpl' [2023-06-12 16:29:17,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-06-12 16:29:17,294 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-06-12 16:29:17,295 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-06-12 16:29:17,295 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-06-12 16:29:17,295 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-06-12 16:29:17,306 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 04:29:17" (1/1) ... [2023-06-12 16:29:17,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 04:29:17" (1/1) ... [2023-06-12 16:29:17,311 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 04:29:17" (1/1) ... [2023-06-12 16:29:17,312 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 04:29:17" (1/1) ... [2023-06-12 16:29:17,313 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 04:29:17" (1/1) ... [2023-06-12 16:29:17,315 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 04:29:17" (1/1) ... [2023-06-12 16:29:17,316 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 04:29:17" (1/1) ... [2023-06-12 16:29:17,316 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 04:29:17" (1/1) ... [2023-06-12 16:29:17,317 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-06-12 16:29:17,319 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-06-12 16:29:17,319 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-06-12 16:29:17,320 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-06-12 16:29:17,320 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 04:29:17" (1/1) ... [2023-06-12 16:29:17,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-06-12 16:29:17,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-06-12 16:29:17,341 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) [2023-06-12 16:29:17,348 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 [2023-06-12 16:29:17,372 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-06-12 16:29:17,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-06-12 16:29:17,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-06-12 16:29:17,372 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread given in one single declaration [2023-06-12 16:29:17,373 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-06-12 16:29:17,373 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-06-12 16:29:17,406 INFO L236 CfgBuilder]: Building ICFG [2023-06-12 16:29:17,408 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-06-12 16:29:17,484 INFO L277 CfgBuilder]: Performing block encoding [2023-06-12 16:29:17,488 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-06-12 16:29:17,488 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-06-12 16:29:17,489 INFO L201 PluginConnector]: Adding new model equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.06 04:29:17 BoogieIcfgContainer [2023-06-12 16:29:17,490 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-06-12 16:29:17,490 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-06-12 16:29:17,490 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-06-12 16:29:17,490 INFO L274 PluginConnector]: IcfgToChc initialized [2023-06-12 16:29:17,492 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.06 04:29:17" (1/1) ... [2023-06-12 16:29:17,737 INFO L201 PluginConnector]: Adding new model equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.06 04:29:17 HornClauseAST [2023-06-12 16:29:17,737 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-06-12 16:29:17,738 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-06-12 16:29:17,738 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-06-12 16:29:17,738 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-06-12 16:29:17,753 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.06 04:29:17" (1/1) ... [2023-06-12 16:29:17,754 INFO L192 hcSmtPrinterObserver]: Writing to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/equalsum-fork/CHC_equalsum-fork.bpl_UID6134520885129992663.smt2 [2023-06-12 16:29:17,794 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-06-12 16:29:17,795 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2023-06-12 16:29:17,795 INFO L270 PluginConnector]: Initializing ChcSolver... [2023-06-12 16:29:17,795 INFO L274 PluginConnector]: ChcSolver initialized [2023-06-12 16:29:17,798 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.06 04:29:17" (1/1) ... [2023-06-12 16:29:17,799 INFO L88 GolemChcScript]: Writing script to file /tmp/golem_6425090679065251965.smt2 [2023-06-12 16:29:17,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/golem [2023-06-12 16:29:17,823 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/golem --print-witness /tmp/golem_6425090679065251965.smt2 (exit command is null, workingDir is null) [2023-06-12 16:29:17,841 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/releaseScripts/default/UAutomizer-linux/golem --print-witness /tmp/golem_6425090679065251965.smt2 (2) without exit command) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.lib.chc.GolemChcScript.solve(GolemChcScript.java:107) at de.uni_freiburg.informatik.ultimate.lib.chc.GolemChcScript.solve(GolemChcScript.java:79) at de.uni_freiburg.informatik.ultimate.plugins.chcsolver.ChcSolverObserver.process(ChcSolverObserver.java:86) 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:258) ... 17 more [2023-06-12 16:29:17,846 INFO L158 Benchmark]: Toolchain (without parser) took 551.33ms. Allocated memory is still 385.9MB. Free memory was 343.7MB in the beginning and 354.3MB in the end (delta: -10.6MB). There was no memory consumed. Max. memory is 15.0GB. [2023-06-12 16:29:17,847 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 385.9MB. Free memory is still 344.9MB. There was no memory consumed. Max. memory is 15.0GB. [2023-06-12 16:29:17,847 INFO L158 Benchmark]: Boogie Preprocessor took 22.52ms. Allocated memory is still 385.9MB. Free memory was 343.7MB in the beginning and 341.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-06-12 16:29:17,847 INFO L158 Benchmark]: RCFGBuilder took 170.84ms. Allocated memory is still 385.9MB. Free memory was 341.8MB in the beginning and 332.1MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. [2023-06-12 16:29:17,848 INFO L158 Benchmark]: IcfgToChc took 247.28ms. Allocated memory is still 385.9MB. Free memory was 332.1MB in the beginning and 358.8MB in the end (delta: -26.6MB). Peak memory consumption was 15.6MB. Max. memory is 15.0GB. [2023-06-12 16:29:17,848 INFO L158 Benchmark]: ChcSmtPrinter took 56.47ms. Allocated memory is still 385.9MB. Free memory was 358.8MB in the beginning and 356.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-06-12 16:29:17,849 INFO L158 Benchmark]: ChcSolver took 50.58ms. Allocated memory is still 385.9MB. Free memory was 356.2MB in the beginning and 354.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-06-12 16:29:17,851 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2023-06-12 16:29:17,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/golem --print-witness /tmp/golem_6425090679065251965.smt2 (2)] Waiting until timeout for monitored process --- Results --- [2023-06-12 16:29:17,859 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/golem --print-witness /tmp/golem_6425090679065251965.smt2 (2)] Ended with exit code 134 * 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 385.9MB. Free memory is still 344.9MB. There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 22.52ms. Allocated memory is still 385.9MB. Free memory was 343.7MB in the beginning and 341.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * RCFGBuilder took 170.84ms. Allocated memory is still 385.9MB. Free memory was 341.8MB in the beginning and 332.1MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. * IcfgToChc took 247.28ms. Allocated memory is still 385.9MB. Free memory was 332.1MB in the beginning and 358.8MB in the end (delta: -26.6MB). Peak memory consumption was 15.6MB. Max. memory is 15.0GB. * ChcSmtPrinter took 56.47ms. Allocated memory is still 385.9MB. Free memory was 358.8MB in the beginning and 356.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * ChcSolver took 50.58ms. Allocated memory is still 385.9MB. Free memory was 356.2MB in the beginning and 354.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.chcsolver: - ExceptionOrErrorResult: SMTLIBException: golem (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/golem --print-witness /tmp/golem_6425090679065251965.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/releaseScripts/default/UAutomizer-linux/golem --print-witness /tmp/golem_6425090679065251965.smt2 (2) without exit command) Received EOF on stdin. No stderr output.: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-06-12 16:29:17,876 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...