/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/inc-dec-eq0/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/inc-dec-eq0/inc-dec-eq0.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.sleep-threadmodular-3a8dd60-m [2023-06-12 15:30:13,087 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-06-12 15:30:13,122 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0/ThreadModularVerifier.Settings.epf [2023-06-12 15:30:13,127 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-06-12 15:30:13,128 INFO L135 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-06-12 15:30:13,128 INFO L137 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-06-12 15:30:13,128 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-06-12 15:30:13,128 INFO L137 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-06-12 15:30:13,129 INFO L137 SettingsManager]: * Add additional assume for each assert=false [2023-06-12 15:30:13,129 INFO L135 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-06-12 15:30:13,130 INFO L137 SettingsManager]: * Save file in source directory=true [2023-06-12 15:30:13,130 INFO L137 SettingsManager]: * Use automatic naming=true [2023-06-12 15:30:13,130 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Enable sleep set reduction -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> ELDARICA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce CHC model if query is SAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce derivation if query is UNSAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce UNSAT core if query is UNSAT -> true [2023-06-12 15:30:13,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-06-12 15:30:13,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-06-12 15:30:13,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-06-12 15:30:13,297 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-06-12 15:30:13,298 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-06-12 15:30:13,298 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0/inc-dec-eq0.bpl [2023-06-12 15:30:13,299 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0/inc-dec-eq0.bpl' [2023-06-12 15:30:13,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-06-12 15:30:13,313 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-06-12 15:30:13,314 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-06-12 15:30:13,314 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-06-12 15:30:13,315 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-06-12 15:30:13,327 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 03:30:13" (1/1) ... [2023-06-12 15:30:13,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 03:30:13" (1/1) ... [2023-06-12 15:30:13,333 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 03:30:13" (1/1) ... [2023-06-12 15:30:13,333 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 03:30:13" (1/1) ... [2023-06-12 15:30:13,334 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 03:30:13" (1/1) ... [2023-06-12 15:30:13,335 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 03:30:13" (1/1) ... [2023-06-12 15:30:13,335 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 03:30:13" (1/1) ... [2023-06-12 15:30:13,336 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 03:30:13" (1/1) ... [2023-06-12 15:30:13,336 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-06-12 15:30:13,338 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-06-12 15:30:13,339 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-06-12 15:30:13,339 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-06-12 15:30:13,339 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 03:30:13" (1/1) ... [2023-06-12 15:30:13,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-06-12 15:30:13,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-06-12 15:30:13,366 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 15:30:13,390 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 15:30:13,416 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread given in one single declaration [2023-06-12 15:30:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-06-12 15:30:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-06-12 15:30:13,447 INFO L236 CfgBuilder]: Building ICFG [2023-06-12 15:30:13,448 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-06-12 15:30:13,451 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-06-12 15:30:13,479 INFO L277 CfgBuilder]: Performing block encoding [2023-06-12 15:30:13,484 INFO L294 CfgBuilder]: Using library mode [2023-06-12 15:30:13,484 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-06-12 15:30:13,485 INFO L201 PluginConnector]: Adding new model inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.06 03:30:13 BoogieIcfgContainer [2023-06-12 15:30:13,485 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-06-12 15:30:13,486 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-06-12 15:30:13,486 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-06-12 15:30:13,486 INFO L274 PluginConnector]: IcfgToChc initialized [2023-06-12 15:30:13,487 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.06 03:30:13" (1/1) ... [2023-06-12 15:30:13,687 INFO L201 PluginConnector]: Adding new model inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.06 03:30:13 HornClauseAST [2023-06-12 15:30:13,687 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-06-12 15:30:13,688 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-06-12 15:30:13,688 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-06-12 15:30:13,688 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-06-12 15:30:13,689 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.06 03:30:13" (1/1) ... [2023-06-12 15:30:13,689 INFO L192 hcSmtPrinterObserver]: Writing to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0/CHC_inc-dec-eq0.bpl_UID14767061896566061588.smt2 [2023-06-12 15:30:13,698 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-06-12 15:30:13,698 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2023-06-12 15:30:13,699 INFO L270 PluginConnector]: Initializing ChcSolver... [2023-06-12 15:30:13,699 INFO L274 PluginConnector]: ChcSolver initialized [2023-06-12 15:30:13,700 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.06 03:30:13" (1/1) ... [2023-06-12 15:30:13,700 WARN L147 ChcSolverObserver]: Derivation production is not supported by backend [2023-06-12 15:30:13,701 WARN L153 ChcSolverObserver]: UNSAT core production is not supported by backend [2023-06-12 15:30:13,701 INFO L90 EldaricaCliChcScript]: Writing script to file /tmp/eldarica_18141513671442144999.smt2 [2023-06-12 15:30:13,706 ERROR L181 MonitoredProcess]: Could not determine absolute path of external process, hoping that OS will resolve eld [2023-06-12 15:30:13,706 INFO L189 MonitoredProcess]: No working directory specified, using eld [2023-06-12 15:30:13,708 INFO L229 MonitoredProcess]: Starting monitored process 2 with eld -disj -ssol /tmp/eldarica_18141513671442144999.smt2 (exit command is null, workingDir is null) [2023-06-12 15:30:13,710 INFO L327 MonitoredProcess]: [MP eld -disj -ssol /tmp/eldarica_18141513671442144999.smt2 (2)] Waiting until timeout for monitored process [2023-06-12 15:30:27,607 INFO L201 PluginConnector]: Adding new model inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 12.06 03:30:27 ChcSolution [2023-06-12 15:30:27,607 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2023-06-12 15:30:27,608 INFO L158 Benchmark]: Toolchain (without parser) took 14294.62ms. Allocated memory is still 323.0MB. Free memory was 281.0MB in the beginning and 263.3MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 15.0GB. [2023-06-12 15:30:27,609 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.19ms. Allocated memory is still 323.0MB. Free memory was 282.1MB in the beginning and 281.9MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 15.0GB. [2023-06-12 15:30:27,609 INFO L158 Benchmark]: Boogie Preprocessor took 22.37ms. Allocated memory is still 323.0MB. Free memory was 281.0MB in the beginning and 279.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-06-12 15:30:27,610 INFO L158 Benchmark]: RCFGBuilder took 146.78ms. Allocated memory is still 323.0MB. Free memory was 279.2MB in the beginning and 271.4MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. [2023-06-12 15:30:27,610 INFO L158 Benchmark]: IcfgToChc took 201.52ms. Allocated memory is still 323.0MB. Free memory was 271.2MB in the beginning and 266.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. [2023-06-12 15:30:27,611 INFO L158 Benchmark]: ChcSmtPrinter took 10.40ms. Allocated memory is still 323.0MB. Free memory was 266.0MB in the beginning and 265.2MB in the end (delta: 741.2kB). There was no memory consumed. Max. memory is 15.0GB. [2023-06-12 15:30:27,611 INFO L158 Benchmark]: ChcSolver took 13908.82ms. Allocated memory is still 323.0MB. Free memory was 265.2MB in the beginning and 263.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-06-12 15:30:27,617 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 0.19ms. Allocated memory is still 323.0MB. Free memory was 282.1MB in the beginning and 281.9MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 22.37ms. Allocated memory is still 323.0MB. Free memory was 281.0MB in the beginning and 279.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * RCFGBuilder took 146.78ms. Allocated memory is still 323.0MB. Free memory was 279.2MB in the beginning and 271.4MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. * IcfgToChc took 201.52ms. Allocated memory is still 323.0MB. Free memory was 271.2MB in the beginning and 266.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. * ChcSmtPrinter took 10.40ms. Allocated memory is still 323.0MB. Free memory was 266.0MB in the beginning and 265.2MB in the end (delta: 741.2kB). There was no memory consumed. Max. memory is 15.0GB. * ChcSolver took 13908.82ms. Allocated memory is still 323.0MB. Free memory was 265.2MB in the beginning and 263.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. 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 15:30:27,631 WARN L435 MonitoredProcess]: [MP eld -disj -ssol /tmp/eldarica_18141513671442144999.smt2 (2)] Forcibly destroying the process [2023-06-12 15:30:27,678 INFO L540 MonitoredProcess]: [MP eld -disj -ssol /tmp/eldarica_18141513671442144999.smt2 (2)] Forceful destruction successful, exit code 137 [2023-06-12 15:30:27,682 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...