/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-geq0/ThreadModularVerifier.Settings.epf -tc ../../../trunk/examples/threadmodular/regression/ThreadModularVerifier.xml --icfgtochc.enable.sleep.set.reduction false --chcsolver.chc.solver.backend Z3 --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/inc-dec-geq0/inc-dec-geq0.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.sleep-threadmodular-5ab1b01-m [2023-07-03 20:17:09,606 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-07-03 20:17:09,663 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-geq0/ThreadModularVerifier.Settings.epf [2023-07-03 20:17:09,671 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-07-03 20:17:09,672 INFO L135 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-07-03 20:17:09,672 INFO L137 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-07-03 20:17:09,672 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-07-03 20:17:09,672 INFO L137 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-07-03 20:17:09,673 INFO L137 SettingsManager]: * Add additional assume for each assert=false [2023-07-03 20:17:09,676 INFO L135 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2023-07-03 20:17:09,676 INFO L137 SettingsManager]: * Specification mode=ASSERT_VIOLATIONS [2023-07-03 20:17:09,677 INFO L135 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-07-03 20:17:09,677 INFO L137 SettingsManager]: * Save file in source directory=true [2023-07-03 20:17:09,678 INFO L137 SettingsManager]: * Use automatic naming=true [2023-07-03 20:17:09,678 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Enable sleep set reduction -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> Z3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce CHC model if query is SAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce derivation if query is UNSAT -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce UNSAT core if query is UNSAT -> false [2023-07-03 20:17:09,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-07-03 20:17:09,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-07-03 20:17:09,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-07-03 20:17:09,866 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-07-03 20:17:09,868 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-07-03 20:17:09,868 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-geq0/inc-dec-geq0.bpl [2023-07-03 20:17:09,869 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-geq0/inc-dec-geq0.bpl' [2023-07-03 20:17:09,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-07-03 20:17:09,885 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-07-03 20:17:09,886 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-07-03 20:17:09,886 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-07-03 20:17:09,886 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-07-03 20:17:09,897 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:17:09" (1/1) ... [2023-07-03 20:17:09,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:17:09" (1/1) ... [2023-07-03 20:17:09,901 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:17:09" (1/1) ... [2023-07-03 20:17:09,901 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:17:09" (1/1) ... [2023-07-03 20:17:09,902 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:17:09" (1/1) ... [2023-07-03 20:17:09,902 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:17:09" (1/1) ... [2023-07-03 20:17:09,903 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:17:09" (1/1) ... [2023-07-03 20:17:09,903 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:17:09" (1/1) ... [2023-07-03 20:17:09,903 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-07-03 20:17:09,905 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-07-03 20:17:09,905 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-07-03 20:17:09,905 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-07-03 20:17:09,906 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.07 08:17:09" (1/1) ... [2023-07-03 20:17:09,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-07-03 20:17:09,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-07-03 20:17:09,928 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) [2023-07-03 20:17:09,933 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 [2023-07-03 20:17:09,950 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread given in one single declaration [2023-07-03 20:17:09,951 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-07-03 20:17:09,951 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-07-03 20:17:09,980 INFO L236 CfgBuilder]: Building ICFG [2023-07-03 20:17:09,981 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-07-03 20:17:09,983 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-07-03 20:17:10,020 INFO L277 CfgBuilder]: Performing block encoding [2023-07-03 20:17:10,030 INFO L294 CfgBuilder]: Using library mode [2023-07-03 20:17:10,031 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-07-03 20:17:10,032 INFO L201 PluginConnector]: Adding new model inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.07 08:17:10 BoogieIcfgContainer [2023-07-03 20:17:10,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-07-03 20:17:10,034 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-07-03 20:17:10,034 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-07-03 20:17:10,034 INFO L274 PluginConnector]: IcfgToChc initialized [2023-07-03 20:17:10,035 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.07 08:17:10" (1/1) ... [2023-07-03 20:17:10,201 INFO L201 PluginConnector]: Adding new model inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.07 08:17:10 HornClauseAST [2023-07-03 20:17:10,201 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-07-03 20:17:10,202 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-07-03 20:17:10,202 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-07-03 20:17:10,202 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-07-03 20:17:10,203 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.07 08:17:10" (1/1) ... [2023-07-03 20:17:10,203 INFO L192 hcSmtPrinterObserver]: Writing to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-geq0/CHC_inc-dec-geq0.bpl_UID13402471468317255824.smt2 [2023-07-03 20:17:10,212 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-07-03 20:17:10,212 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2023-07-03 20:17:10,212 INFO L270 PluginConnector]: Initializing ChcSolver... [2023-07-03 20:17:10,212 INFO L274 PluginConnector]: ChcSolver initialized [2023-07-03 20:17:10,213 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 03.07 08:17:10" (1/1) ... [2023-07-03 20:17:10,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-07-03 20:17:10,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-07-03 20:17:10,216 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-07-03 20:17:10,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-07-03 20:17:10,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-07-03 20:17:10,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-07-03 20:17:10,226 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-07-03 20:17:10,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-07-03 20:17:10,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-07-03 20:17:10,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-07-03 20:17:10,597 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-07-03 20:17:10,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-07-03 20:17:10,608 INFO L201 PluginConnector]: Adding new model inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.chcsolver OTHER 03.07 08:17:10 ChcSolution [2023-07-03 20:17:10,608 INFO L131 PluginConnector]: ------------------------ END ChcSolver---------------------------- [2023-07-03 20:17:10,610 INFO L158 Benchmark]: Toolchain (without parser) took 723.75ms. Allocated memory is still 385.9MB. Free memory was 343.4MB in the beginning and 323.4MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 15.0GB. [2023-07-03 20:17:10,611 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.19ms. Allocated memory is still 385.9MB. Free memory was 344.4MB in the beginning and 344.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 15.0GB. [2023-07-03 20:17:10,611 INFO L158 Benchmark]: Boogie Preprocessor took 17.72ms. Allocated memory is still 385.9MB. Free memory was 343.4MB in the beginning and 341.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-07-03 20:17:10,612 INFO L158 Benchmark]: RCFGBuilder took 127.53ms. Allocated memory is still 385.9MB. Free memory was 341.5MB in the beginning and 333.5MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. [2023-07-03 20:17:10,612 INFO L158 Benchmark]: IcfgToChc took 167.93ms. Allocated memory is still 385.9MB. Free memory was 333.5MB in the beginning and 328.9MB in the end (delta: 4.6MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-07-03 20:17:10,612 INFO L158 Benchmark]: ChcSmtPrinter took 9.90ms. Allocated memory is still 385.9MB. Free memory was 328.9MB in the beginning and 328.0MB in the end (delta: 802.4kB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-07-03 20:17:10,613 INFO L158 Benchmark]: ChcSolver took 396.27ms. Allocated memory is still 385.9MB. Free memory was 328.0MB in the beginning and 323.4MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 15.0GB. [2023-07-03 20:17:10,615 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 385.9MB. Free memory was 344.4MB in the beginning and 344.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 17.72ms. Allocated memory is still 385.9MB. Free memory was 343.4MB in the beginning and 341.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * RCFGBuilder took 127.53ms. Allocated memory is still 385.9MB. Free memory was 341.5MB in the beginning and 333.5MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. * IcfgToChc took 167.93ms. Allocated memory is still 385.9MB. Free memory was 333.5MB in the beginning and 328.9MB in the end (delta: 4.6MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * ChcSmtPrinter took 9.90ms. Allocated memory is still 385.9MB. Free memory was 328.9MB in the beginning and 328.0MB in the end (delta: 802.4kB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * ChcSolver took 396.27ms. Allocated memory is still 385.9MB. Free memory was 328.0MB in the beginning and 323.4MB in the end (delta: 4.7MB). 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. [2023-07-03 20:17:10,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-07-03 20:17:10,831 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...