/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 --chcsolver.chc.solver.backend TREEAUTOMIZER --chcsolver.produce.chc.model.if.query.is.sat false --chcsolver.produce.derivation.if.query.is.unsat false --chcsolver.produce.unsat.core.if.query.is.unsat true -i ../../../trunk/examples/threadmodular/regression/inc-dec-geq0/inc-dec-geq0.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.sleep-threadmodular-fe2097d-m [2023-05-31 12:44:33,721 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-05-31 12:44:33,811 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-geq0/ThreadModularVerifier.Settings.epf [2023-05-31 12:44:33,821 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-31 12:44:33,822 INFO L135 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-05-31 12:44:33,823 INFO L137 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-05-31 12:44:33,823 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-31 12:44:33,824 INFO L137 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-05-31 12:44:33,824 INFO L137 SettingsManager]: * Add additional assume for each assert=false [2023-05-31 12:44:33,828 INFO L135 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2023-05-31 12:44:33,829 INFO L137 SettingsManager]: * Specification mode=ASSERT_VIOLATIONS [2023-05-31 12:44:33,829 INFO L135 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-05-31 12:44:33,833 INFO L137 SettingsManager]: * Save file in source directory=true [2023-05-31 12:44:33,835 INFO L137 SettingsManager]: * Use automatic naming=true [2023-05-31 12:44:33,835 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> TREEAUTOMIZER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce CHC model if query is SAT -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce derivation if query is UNSAT -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce UNSAT core if query is UNSAT -> true [2023-05-31 12:44:34,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-31 12:44:34,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-31 12:44:34,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-31 12:44:34,155 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-31 12:44:34,156 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-31 12:44:34,157 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-geq0/inc-dec-geq0.bpl [2023-05-31 12:44:34,157 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-geq0/inc-dec-geq0.bpl' [2023-05-31 12:44:34,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-31 12:44:34,176 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-31 12:44:34,177 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-31 12:44:34,178 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-31 12:44:34,178 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-05-31 12:44:34,189 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 12:44:34" (1/1) ... [2023-05-31 12:44:34,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 12:44:34" (1/1) ... [2023-05-31 12:44:34,193 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 12:44:34" (1/1) ... [2023-05-31 12:44:34,193 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 12:44:34" (1/1) ... [2023-05-31 12:44:34,194 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 12:44:34" (1/1) ... [2023-05-31 12:44:34,195 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 12:44:34" (1/1) ... [2023-05-31 12:44:34,195 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 12:44:34" (1/1) ... [2023-05-31 12:44:34,196 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 12:44:34" (1/1) ... [2023-05-31 12:44:34,197 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-31 12:44:34,198 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-31 12:44:34,198 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-05-31 12:44:34,199 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-05-31 12:44:34,200 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 12:44:34" (1/1) ... [2023-05-31 12:44:34,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-05-31 12:44:34,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-31 12:44:34,230 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) [2023-05-31 12:44:34,253 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 [2023-05-31 12:44:34,276 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread given in one single declaration [2023-05-31 12:44:34,276 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-05-31 12:44:34,276 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-05-31 12:44:34,316 INFO L236 CfgBuilder]: Building ICFG [2023-05-31 12:44:34,318 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-31 12:44:34,321 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-05-31 12:44:34,384 INFO L277 CfgBuilder]: Performing block encoding [2023-05-31 12:44:34,396 INFO L294 CfgBuilder]: Using library mode [2023-05-31 12:44:34,397 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-31 12:44:34,399 INFO L201 PluginConnector]: Adding new model inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.05 12:44:34 BoogieIcfgContainer [2023-05-31 12:44:34,399 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-31 12:44:34,401 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-05-31 12:44:34,401 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-05-31 12:44:34,401 INFO L274 PluginConnector]: IcfgToChc initialized [2023-05-31 12:44:34,404 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.05 12:44:34" (1/1) ... [2023-05-31 12:44:34,650 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 12:44:34,656 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 12:44:34,663 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 12:44:34,671 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 12:44:34,707 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x + 1;' is: true [2023-05-31 12:44:34,713 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x + 1;' is: true [2023-05-31 12:44:34,726 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 12:44:34,736 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 12:44:34,749 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x - 1;' is: true [2023-05-31 12:44:34,752 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'x := x - 1;' is: true [2023-05-31 12:44:34,759 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 12:44:34,766 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 12:44:34,778 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2023-05-31 12:44:34,780 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2023-05-31 12:44:34,785 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume true;' is: true [2023-05-31 12:44:34,791 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume true;' is: true [2023-05-31 12:44:34,798 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2023-05-31 12:44:34,800 INFO L111 IndependenceChecker]: instantiated independence condition for 'assume true;' and 'assume true;' is: true [2023-05-31 12:44:34,804 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'assume true;' is: true [2023-05-31 12:44:34,806 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'assume true;' is: true [2023-05-31 12:44:34,850 INFO L201 PluginConnector]: Adding new model inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 31.05 12:44:34 HornClauseAST [2023-05-31 12:44:34,850 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-05-31 12:44:34,851 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-05-31 12:44:34,851 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-05-31 12:44:34,851 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-05-31 12:44:34,851 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 31.05 12:44:34" (1/1) ... [2023-05-31 12:44:34,852 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_UID7090099071899737784.smt2 [2023-05-31 12:44:34,892 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-05-31 12:44:34,893 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2023-05-31 12:44:34,893 INFO L270 PluginConnector]: Initializing ChcSolver... [2023-05-31 12:44:34,893 INFO L274 PluginConnector]: ChcSolver initialized [2023-05-31 12:44:34,894 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "inc-dec-geq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 31.05 12:44:34" (1/1) ... [2023-05-31 12:44:34,915 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-05-31 12:44:34,930 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver has thrown an exception: java.lang.UnsupportedOperationException: Proofs are not supported at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.getProof(Scriptor.java:168) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:358) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:343) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:343) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:207) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.TreeAutomizerCEGAR.retrieveInterpolantsMap(TreeAutomizerCEGAR.java:443) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.graph.TreeAutomizerCEGAR.iterate(TreeAutomizerCEGAR.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.TreeAutomizerChcScript.solve(TreeAutomizerChcScript.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.TreeAutomizerChcScript.solve(TreeAutomizerChcScript.java:82) at de.uni_freiburg.informatik.ultimate.plugins.chcsolver.ChcSolverObserver.process(ChcSolverObserver.java:77) 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) [2023-05-31 12:44:34,935 INFO L158 Benchmark]: Toolchain (without parser) took 757.12ms. Allocated memory is still 406.8MB. Free memory was 383.2MB in the beginning and 386.3MB in the end (delta: -3.1MB). There was no memory consumed. Max. memory is 15.0GB. [2023-05-31 12:44:34,936 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.29ms. Allocated memory is still 406.8MB. Free memory was 384.2MB in the beginning and 384.1MB in the end (delta: 59.2kB). There was no memory consumed. Max. memory is 15.0GB. [2023-05-31 12:44:34,937 INFO L158 Benchmark]: Boogie Preprocessor took 19.56ms. Allocated memory is still 406.8MB. Free memory was 383.0MB in the beginning and 381.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-05-31 12:44:34,938 INFO L158 Benchmark]: RCFGBuilder took 201.14ms. Allocated memory is still 406.8MB. Free memory was 381.2MB in the beginning and 373.1MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. [2023-05-31 12:44:34,939 INFO L158 Benchmark]: IcfgToChc took 448.96ms. Allocated memory is still 406.8MB. Free memory was 373.1MB in the beginning and 359.6MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 15.0GB. [2023-05-31 12:44:34,940 INFO L158 Benchmark]: ChcSmtPrinter took 41.65ms. Allocated memory is still 406.8MB. Free memory was 359.6MB in the beginning and 357.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-05-31 12:44:34,941 INFO L158 Benchmark]: ChcSolver took 39.88ms. Allocated memory is still 406.8MB. Free memory was 357.7MB in the beginning and 386.3MB in the end (delta: -28.6MB). There was no memory consumed. Max. memory is 15.0GB. [2023-05-31 12:44:34,947 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 0.29ms. Allocated memory is still 406.8MB. Free memory was 384.2MB in the beginning and 384.1MB in the end (delta: 59.2kB). There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 19.56ms. Allocated memory is still 406.8MB. Free memory was 383.0MB in the beginning and 381.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * RCFGBuilder took 201.14ms. Allocated memory is still 406.8MB. Free memory was 381.2MB in the beginning and 373.1MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 15.0GB. * IcfgToChc took 448.96ms. Allocated memory is still 406.8MB. Free memory was 373.1MB in the beginning and 359.6MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 15.0GB. * ChcSmtPrinter took 41.65ms. Allocated memory is still 406.8MB. Free memory was 359.6MB in the beginning and 357.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * ChcSolver took 39.88ms. Allocated memory is still 406.8MB. Free memory was 357.7MB in the beginning and 386.3MB in the end (delta: -28.6MB). There was no memory consumed. Max. memory is 15.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.chcsolver: - ExceptionOrErrorResult: UnsupportedOperationException: Proofs are not supported de.uni_freiburg.informatik.ultimate.plugins.chcsolver: UnsupportedOperationException: Proofs are not supported: de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.getProof(Scriptor.java:168) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-05-31 12:44:34,969 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...