/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 --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 --treeautomizer.smt.solver Internal_SMTInterpol -i ../../../trunk/examples/threadmodular/regression/inc-dec-eq0/inc-dec-eq0.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.sleep-threadmodular-645efe7-m [2023-05-31 18:20:47,714 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-05-31 18:20:47,772 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0/ThreadModularVerifier.Settings.epf [2023-05-31 18:20:47,778 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-31 18:20:47,779 INFO L135 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-05-31 18:20:47,779 INFO L137 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-05-31 18:20:47,779 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-31 18:20:47,780 INFO L137 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-05-31 18:20:47,780 INFO L137 SettingsManager]: * Add additional assume for each assert=false [2023-05-31 18:20:47,783 INFO L135 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-05-31 18:20:47,783 INFO L137 SettingsManager]: * Save file in source directory=true [2023-05-31 18:20:47,784 INFO L137 SettingsManager]: * Use automatic naming=true [2023-05-31 18:20:47,784 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> TREEAUTOMIZER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce CHC model if query is SAT -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce derivation if query is UNSAT -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce UNSAT core if query is UNSAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer: SMT solver -> Internal_SMTInterpol [2023-05-31 18:20:47,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-31 18:20:47,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-31 18:20:47,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-31 18:20:47,937 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-31 18:20:47,937 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-31 18:20:47,939 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0/inc-dec-eq0.bpl [2023-05-31 18:20:47,939 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/inc-dec-eq0/inc-dec-eq0.bpl' [2023-05-31 18:20:47,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-31 18:20:47,952 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-31 18:20:47,952 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-31 18:20:47,953 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-31 18:20:47,953 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-05-31 18:20:47,963 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 06:20:47" (1/1) ... [2023-05-31 18:20:47,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 06:20:47" (1/1) ... [2023-05-31 18:20:47,969 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 06:20:47" (1/1) ... [2023-05-31 18:20:47,969 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 06:20:47" (1/1) ... [2023-05-31 18:20:47,971 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 06:20:47" (1/1) ... [2023-05-31 18:20:47,971 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 06:20:47" (1/1) ... [2023-05-31 18:20:47,972 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 06:20:47" (1/1) ... [2023-05-31 18:20:47,972 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 06:20:47" (1/1) ... [2023-05-31 18:20:47,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-31 18:20:47,974 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-31 18:20:47,974 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-05-31 18:20:47,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-05-31 18:20:47,975 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.05 06:20:47" (1/1) ... [2023-05-31 18:20:47,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-05-31 18:20:47,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-31 18:20:47,998 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 18:20:48,015 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 18:20:48,048 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread given in one single declaration [2023-05-31 18:20:48,048 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-05-31 18:20:48,048 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-05-31 18:20:48,079 INFO L236 CfgBuilder]: Building ICFG [2023-05-31 18:20:48,080 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-31 18:20:48,083 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-05-31 18:20:48,125 INFO L277 CfgBuilder]: Performing block encoding [2023-05-31 18:20:48,129 INFO L294 CfgBuilder]: Using library mode [2023-05-31 18:20:48,129 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-31 18:20:48,131 INFO L201 PluginConnector]: Adding new model inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.05 06:20:48 BoogieIcfgContainer [2023-05-31 18:20:48,131 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-31 18:20:48,131 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-05-31 18:20:48,131 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-05-31 18:20:48,131 INFO L274 PluginConnector]: IcfgToChc initialized [2023-05-31 18:20:48,132 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.05 06:20:48" (1/1) ... [2023-05-31 18:20:48,307 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 18:20:48,315 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 18:20:48,332 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:48,335 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x + 1;' is: true [2023-05-31 18:20:48,347 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:48,354 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and 'x := x - 1;' is: true [2023-05-31 18:20:48,360 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x - 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 18:20:48,366 INFO L111 IndependenceChecker]: instantiated independence condition for 'x := x + 1;' and '<[ dummy edge: assume true; ]>' is: true [2023-05-31 18:20:48,412 INFO L201 PluginConnector]: Adding new model inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 31.05 06:20:48 HornClauseAST [2023-05-31 18:20:48,412 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-05-31 18:20:48,413 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-05-31 18:20:48,413 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-05-31 18:20:48,413 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-05-31 18:20:48,416 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 31.05 06:20:48" (1/1) ... [2023-05-31 18:20:48,416 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_UID11949532008877207492.smt2 [2023-05-31 18:20:48,439 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-05-31 18:20:48,439 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2023-05-31 18:20:48,439 INFO L270 PluginConnector]: Initializing ChcSolver... [2023-05-31 18:20:48,440 INFO L274 PluginConnector]: ChcSolver initialized [2023-05-31 18:20:48,442 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "inc-dec-eq0.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 31.05 06:20:48" (1/1) ... [2023-05-31 18:20:48,451 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-05-31 18:20:48,464 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 18:20:48,468 INFO L158 Benchmark]: Toolchain (without parser) took 515.71ms. Allocated memory was 360.7MB in the beginning and 559.9MB in the end (delta: 199.2MB). Free memory was 312.4MB in the beginning and 522.0MB in the end (delta: -209.6MB). There was no memory consumed. Max. memory is 15.0GB. [2023-05-31 18:20:48,468 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 360.7MB. Free memory was 313.4MB in the beginning and 313.2MB in the end (delta: 140.0kB). There was no memory consumed. Max. memory is 15.0GB. [2023-05-31 18:20:48,469 INFO L158 Benchmark]: Boogie Preprocessor took 20.75ms. Allocated memory is still 360.7MB. Free memory was 312.4MB in the beginning and 310.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 15.0GB. [2023-05-31 18:20:48,469 INFO L158 Benchmark]: RCFGBuilder took 156.47ms. Allocated memory is still 360.7MB. Free memory was 310.4MB in the beginning and 302.7MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. [2023-05-31 18:20:48,470 INFO L158 Benchmark]: IcfgToChc took 281.35ms. Allocated memory was 360.7MB in the beginning and 559.9MB in the end (delta: 199.2MB). Free memory was 302.6MB in the beginning and 525.7MB in the end (delta: -223.2MB). Peak memory consumption was 18.8MB. Max. memory is 15.0GB. [2023-05-31 18:20:48,470 INFO L158 Benchmark]: ChcSmtPrinter took 26.01ms. Allocated memory is still 559.9MB. Free memory was 525.7MB in the beginning and 524.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-05-31 18:20:48,471 INFO L158 Benchmark]: ChcSolver took 27.67ms. Allocated memory is still 559.9MB. Free memory was 524.1MB in the beginning and 522.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-05-31 18:20:48,475 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 0.11ms. Allocated memory is still 360.7MB. Free memory was 313.4MB in the beginning and 313.2MB in the end (delta: 140.0kB). There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 20.75ms. Allocated memory is still 360.7MB. Free memory was 312.4MB in the beginning and 310.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 15.0GB. * RCFGBuilder took 156.47ms. Allocated memory is still 360.7MB. Free memory was 310.4MB in the beginning and 302.7MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. * IcfgToChc took 281.35ms. Allocated memory was 360.7MB in the beginning and 559.9MB in the end (delta: 199.2MB). Free memory was 302.6MB in the beginning and 525.7MB in the end (delta: -223.2MB). Peak memory consumption was 18.8MB. Max. memory is 15.0GB. * ChcSmtPrinter took 26.01ms. Allocated memory is still 559.9MB. Free memory was 525.7MB in the beginning and 524.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * ChcSolver took 27.67ms. Allocated memory is still 559.9MB. Free memory was 524.1MB in the beginning and 522.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. 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 18:20:48,492 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...