/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 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/equalsum-fork/equalsum-fork.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.sleep-threadmodular-3a8dd60-m [2023-06-12 15:29:44,242 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-06-12 15:29:44,276 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 15:29:44,281 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-06-12 15:29:44,283 INFO L135 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-06-12 15:29:44,283 INFO L137 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-06-12 15:29:44,283 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-06-12 15:29:44,283 INFO L137 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-06-12 15:29:44,284 INFO L137 SettingsManager]: * Add additional assume for each assert=false [2023-06-12 15:29:44,284 INFO L135 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2023-06-12 15:29:44,285 INFO L137 SettingsManager]: * Specification mode=ASSERT_VIOLATIONS [2023-06-12 15:29:44,285 INFO L137 SettingsManager]: * Assume program has a precondition=false [2023-06-12 15:29:44,285 INFO L137 SettingsManager]: * Concurrency mode=SINGLE_MAIN_THREAD [2023-06-12 15:29:44,285 INFO L137 SettingsManager]: * Preference order used for reduction=LOCKSTEP [2023-06-12 15:29:44,286 INFO L135 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-06-12 15:29:44,286 INFO L137 SettingsManager]: * Save file in source directory=true [2023-06-12 15:29:44,286 INFO L137 SettingsManager]: * Use automatic naming=true [2023-06-12 15:29:44,287 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Enable sleep set reduction -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> ELDARICA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce CHC model if query is SAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce derivation if query is UNSAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce UNSAT core if query is UNSAT -> true [2023-06-12 15:29:44,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-06-12 15:29:44,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-06-12 15:29:44,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-06-12 15:29:44,454 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-06-12 15:29:44,454 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-06-12 15:29:44,455 INFO L431 ainManager$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 15:29:44,455 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/equalsum-fork/equalsum-fork.bpl' [2023-06-12 15:29:44,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-06-12 15:29:44,481 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-06-12 15:29:44,483 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-06-12 15:29:44,483 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-06-12 15:29:44,484 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-06-12 15:29:44,495 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 03:29:44" (1/1) ... [2023-06-12 15:29:44,497 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 03:29:44" (1/1) ... [2023-06-12 15:29:44,501 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 03:29:44" (1/1) ... [2023-06-12 15:29:44,501 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 03:29:44" (1/1) ... [2023-06-12 15:29:44,503 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 03:29:44" (1/1) ... [2023-06-12 15:29:44,506 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 03:29:44" (1/1) ... [2023-06-12 15:29:44,507 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 03:29:44" (1/1) ... [2023-06-12 15:29:44,508 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 03:29:44" (1/1) ... [2023-06-12 15:29:44,508 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-06-12 15:29:44,510 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-06-12 15:29:44,510 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-06-12 15:29:44,511 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-06-12 15:29:44,512 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 03:29:44" (1/1) ... [2023-06-12 15:29:44,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-06-12 15:29:44,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-06-12 15:29:44,533 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 15:29:44,554 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 15:29:44,564 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-06-12 15:29:44,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-06-12 15:29:44,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-06-12 15:29:44,564 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread given in one single declaration [2023-06-12 15:29:44,564 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-06-12 15:29:44,564 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-06-12 15:29:44,598 INFO L236 CfgBuilder]: Building ICFG [2023-06-12 15:29:44,600 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-06-12 15:29:44,673 INFO L277 CfgBuilder]: Performing block encoding [2023-06-12 15:29:44,678 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-06-12 15:29:44,678 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-06-12 15:29:44,679 INFO L201 PluginConnector]: Adding new model equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.06 03:29:44 BoogieIcfgContainer [2023-06-12 15:29:44,679 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-06-12 15:29:44,680 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-06-12 15:29:44,680 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-06-12 15:29:44,680 INFO L274 PluginConnector]: IcfgToChc initialized [2023-06-12 15:29:44,681 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 03:29:44" (1/1) ... [2023-06-12 15:29:44,903 INFO L201 PluginConnector]: Adding new model equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.06 03:29:44 HornClauseAST [2023-06-12 15:29:44,903 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-06-12 15:29:44,904 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-06-12 15:29:44,904 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-06-12 15:29:44,904 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-06-12 15:29:44,905 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.06 03:29:44" (1/1) ... [2023-06-12 15:29:44,905 INFO L192 hcSmtPrinterObserver]: Writing to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/equalsum-fork/CHC_equalsum-fork.bpl_UID9026555701336251202.smt2 [2023-06-12 15:29:44,930 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-06-12 15:29:44,930 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2023-06-12 15:29:44,931 INFO L270 PluginConnector]: Initializing ChcSolver... [2023-06-12 15:29:44,931 INFO L274 PluginConnector]: ChcSolver initialized [2023-06-12 15:29:44,932 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.06 03:29:44" (1/1) ... [2023-06-12 15:29:44,932 WARN L147 ChcSolverObserver]: Derivation production is not supported by backend [2023-06-12 15:29:44,932 WARN L153 ChcSolverObserver]: UNSAT core production is not supported by backend [2023-06-12 15:29:44,933 INFO L90 EldaricaCliChcScript]: Writing script to file /tmp/eldarica_5061514634709424402.smt2 [2023-06-12 15:29:44,943 ERROR L181 MonitoredProcess]: Could not determine absolute path of external process, hoping that OS will resolve eld [2023-06-12 15:29:44,943 INFO L189 MonitoredProcess]: No working directory specified, using eld [2023-06-12 15:29:44,945 INFO L229 MonitoredProcess]: Starting monitored process 2 with eld -disj -ssol /tmp/eldarica_5061514634709424402.smt2 (exit command is null, workingDir is null) [2023-06-12 15:29:44,947 INFO L327 MonitoredProcess]: [MP eld -disj -ssol /tmp/eldarica_5061514634709424402.smt2 (2)] Waiting until timeout for monitored process [2023-06-12 15:30:09,641 INFO L201 PluginConnector]: Adding new model equalsum-fork.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 12.06 03:30:09 ChcSolution [2023-06-12 15:30:09,641 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2023-06-12 15:30:09,642 INFO L158 Benchmark]: Toolchain (without parser) took 25160.28ms. Allocated memory is still 388.0MB. Free memory was 345.9MB in the beginning and 356.9MB in the end (delta: -11.0MB). There was no memory consumed. Max. memory is 15.0GB. [2023-06-12 15:30:09,643 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 388.0MB. Free memory is still 347.0MB. There was no memory consumed. Max. memory is 15.0GB. [2023-06-12 15:30:09,643 INFO L158 Benchmark]: Boogie Preprocessor took 25.89ms. Allocated memory is still 388.0MB. Free memory was 345.9MB in the beginning and 344.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-06-12 15:30:09,643 INFO L158 Benchmark]: RCFGBuilder took 169.20ms. Allocated memory is still 388.0MB. Free memory was 343.8MB in the beginning and 334.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. [2023-06-12 15:30:09,644 INFO L158 Benchmark]: IcfgToChc took 223.79ms. Allocated memory is still 388.0MB. Free memory was 334.4MB in the beginning and 363.0MB in the end (delta: -28.6MB). Peak memory consumption was 15.9MB. Max. memory is 15.0GB. [2023-06-12 15:30:09,652 INFO L158 Benchmark]: ChcSmtPrinter took 26.18ms. Allocated memory is still 388.0MB. Free memory was 363.0MB in the beginning and 359.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-06-12 15:30:09,653 INFO L158 Benchmark]: ChcSolver took 24710.73ms. Allocated memory is still 388.0MB. Free memory was 359.9MB in the beginning and 356.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 15.0GB. [2023-06-12 15:30:09,655 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 388.0MB. Free memory is still 347.0MB. There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 25.89ms. Allocated memory is still 388.0MB. Free memory was 345.9MB in the beginning and 344.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * RCFGBuilder took 169.20ms. Allocated memory is still 388.0MB. Free memory was 343.8MB in the beginning and 334.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. * IcfgToChc took 223.79ms. Allocated memory is still 388.0MB. Free memory was 334.4MB in the beginning and 363.0MB in the end (delta: -28.6MB). Peak memory consumption was 15.9MB. Max. memory is 15.0GB. * ChcSmtPrinter took 26.18ms. Allocated memory is still 388.0MB. Free memory was 363.0MB in the beginning and 359.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * ChcSolver took 24710.73ms. Allocated memory is still 388.0MB. Free memory was 359.9MB in the beginning and 356.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 15.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.chcsolver: - ChcUnsatResult: UNSAT The given horn clause set is UNSAT RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-06-12 15:30:09,678 WARN L435 MonitoredProcess]: [MP eld -disj -ssol /tmp/eldarica_5061514634709424402.smt2 (2)] Forcibly destroying the process [2023-06-12 15:30:09,718 INFO L540 MonitoredProcess]: [MP eld -disj -ssol /tmp/eldarica_5061514634709424402.smt2 (2)] Forceful destruction successful, exit code 137 [2023-06-12 15:30:09,723 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...