./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/podwr000_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/podwr000_rmo.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fc962ac74ed72ff62d02a99bb0c7e7a94b1956bf ......................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/podwr000_rmo.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fc962ac74ed72ff62d02a99bb0c7e7a94b1956bf ........................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:59:18,378 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:59:18,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:59:18,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:59:18,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:59:18,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:59:18,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:59:18,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:59:18,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:59:18,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:59:18,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:59:18,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:59:18,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:59:18,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:59:18,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:59:18,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:59:18,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:59:18,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:59:18,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:59:18,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:59:18,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:59:18,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:59:18,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:59:18,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:59:18,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:59:18,435 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:59:18,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:59:18,437 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:59:18,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:59:18,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:59:18,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:59:18,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:59:18,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:59:18,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:59:18,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:59:18,448 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:59:18,449 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:59:18,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:59:18,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:59:18,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:59:18,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:59:18,458 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:59:18,484 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:59:18,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:59:18,485 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:59:18,486 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:59:18,486 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:59:18,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:59:18,486 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:59:18,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:59:18,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:59:18,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:59:18,487 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:59:18,487 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:59:18,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:59:18,488 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:59:18,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:59:18,488 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:59:18,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:59:18,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:59:18,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:59:18,489 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:59:18,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:59:18,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:59:18,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:59:18,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:59:18,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:59:18,491 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:59:18,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:59:18,491 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:59:18,492 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc962ac74ed72ff62d02a99bb0c7e7a94b1956bf [2019-11-28 00:59:18,789 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:59:18,803 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:59:18,807 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:59:18,809 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:59:18,809 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:59:18,810 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/podwr000_rmo.oepc.i [2019-11-28 00:59:18,886 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ba706b18/22231c428be043b6a13c8abfa93ac1d1/FLAG33a48a443 [2019-11-28 00:59:19,487 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:59:19,488 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/podwr000_rmo.oepc.i [2019-11-28 00:59:19,509 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ba706b18/22231c428be043b6a13c8abfa93ac1d1/FLAG33a48a443 [2019-11-28 00:59:19,742 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ba706b18/22231c428be043b6a13c8abfa93ac1d1 [2019-11-28 00:59:19,745 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:59:19,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:59:19,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:59:19,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:59:19,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:59:19,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:59:19" (1/1) ... [2019-11-28 00:59:19,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6822e6d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:19, skipping insertion in model container [2019-11-28 00:59:19,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:59:19" (1/1) ... [2019-11-28 00:59:19,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:59:19,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:59:20,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:59:20,403 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:59:20,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:59:20,560 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:59:20,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:20 WrapperNode [2019-11-28 00:59:20,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:59:20,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:59:20,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:59:20,562 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:59:20,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:20" (1/1) ... [2019-11-28 00:59:20,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:20" (1/1) ... [2019-11-28 00:59:20,620 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:59:20,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:59:20,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:59:20,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:59:20,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:20" (1/1) ... [2019-11-28 00:59:20,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:20" (1/1) ... [2019-11-28 00:59:20,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:20" (1/1) ... [2019-11-28 00:59:20,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:20" (1/1) ... [2019-11-28 00:59:20,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:20" (1/1) ... [2019-11-28 00:59:20,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:20" (1/1) ... [2019-11-28 00:59:20,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:20" (1/1) ... [2019-11-28 00:59:20,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:59:20,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:59:20,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:59:20,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:59:20,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:59:20,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:59:20,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:59:20,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:59:20,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:59:20,752 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:59:20,753 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:59:20,753 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:59:20,754 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:59:20,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:59:20,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:59:20,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:59:20,759 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 00:59:21,464 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1632) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) 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:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 00:59:21,471 INFO L168 Benchmark]: Toolchain (without parser) took 1723.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -108.5 MB). Peak memory consumption was 34.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:21,472 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:59:21,473 INFO L168 Benchmark]: CACSL2BoogieTranslator took 814.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -159.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:21,474 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:21,474 INFO L168 Benchmark]: Boogie Preprocessor took 39.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:59:21,475 INFO L168 Benchmark]: RCFGBuilder took 807.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.2 MB). Peak memory consumption was 44.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:21,479 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 814.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -159.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 807.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.2 MB). Peak memory consumption was 44.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:59:23,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:59:23,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:59:23,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:59:23,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:59:23,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:59:23,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:59:23,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:59:23,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:59:23,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:59:23,530 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:59:23,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:59:23,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:59:23,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:59:23,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:59:23,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:59:23,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:59:23,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:59:23,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:59:23,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:59:23,548 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:59:23,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:59:23,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:59:23,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:59:23,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:59:23,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:59:23,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:59:23,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:59:23,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:59:23,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:59:23,557 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:59:23,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:59:23,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:59:23,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:59:23,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:59:23,561 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:59:23,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:59:23,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:59:23,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:59:23,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:59:23,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:59:23,565 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:59:23,580 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:59:23,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:59:23,581 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:59:23,582 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:59:23,582 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:59:23,582 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:59:23,583 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:59:23,583 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:59:23,583 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:59:23,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:59:23,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:59:23,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:59:23,584 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:59:23,585 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:59:23,585 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:59:23,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:59:23,585 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:59:23,586 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:59:23,586 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:59:23,586 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:59:23,587 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:59:23,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:59:23,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:59:23,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:59:23,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:59:23,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:59:23,588 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:59:23,589 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:59:23,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:59:23,589 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:59:23,590 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc962ac74ed72ff62d02a99bb0c7e7a94b1956bf [2019-11-28 00:59:23,914 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:59:23,926 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:59:23,930 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:59:23,931 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:59:23,932 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:59:23,933 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/podwr000_rmo.oepc.i [2019-11-28 00:59:24,014 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/972b66f85/c4111967deef4f20a903b35588c80d39/FLAG7bc55f316 [2019-11-28 00:59:24,608 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:59:24,608 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/podwr000_rmo.oepc.i [2019-11-28 00:59:24,635 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/972b66f85/c4111967deef4f20a903b35588c80d39/FLAG7bc55f316 [2019-11-28 00:59:24,950 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/972b66f85/c4111967deef4f20a903b35588c80d39 [2019-11-28 00:59:24,954 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:59:24,955 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:59:24,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:59:24,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:59:24,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:59:24,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:59:24" (1/1) ... [2019-11-28 00:59:24,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ceee9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:24, skipping insertion in model container [2019-11-28 00:59:24,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:59:24" (1/1) ... [2019-11-28 00:59:24,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:59:25,025 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:59:25,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:59:25,572 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:59:25,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:59:25,735 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:59:25,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:25 WrapperNode [2019-11-28 00:59:25,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:59:25,737 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:59:25,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:59:25,737 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:59:25,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:25" (1/1) ... [2019-11-28 00:59:25,767 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:25" (1/1) ... [2019-11-28 00:59:25,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:59:25,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:59:25,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:59:25,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:59:25,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:25" (1/1) ... [2019-11-28 00:59:25,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:25" (1/1) ... [2019-11-28 00:59:25,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:25" (1/1) ... [2019-11-28 00:59:25,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:25" (1/1) ... [2019-11-28 00:59:25,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:25" (1/1) ... [2019-11-28 00:59:25,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:25" (1/1) ... [2019-11-28 00:59:25,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:25" (1/1) ... [2019-11-28 00:59:25,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:59:25,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:59:25,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:59:25,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:59:25,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:59:25,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:59:25,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:59:25,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:59:25,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 00:59:25,913 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:59:25,914 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:59:25,914 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:59:25,914 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:59:25,914 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:59:25,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:59:25,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:59:25,917 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 00:59:26,608 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1632) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 00:59:26,617 INFO L168 Benchmark]: Toolchain (without parser) took 1659.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 961.7 MB in the beginning and 1.0 GB in the end (delta: -59.9 MB). Peak memory consumption was 48.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:26,618 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:59:26,619 INFO L168 Benchmark]: CACSL2BoogieTranslator took 779.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -112.7 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:26,620 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:26,621 INFO L168 Benchmark]: Boogie Preprocessor took 44.82 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:59:26,623 INFO L168 Benchmark]: RCFGBuilder took 772.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:26,629 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 779.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -112.7 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.82 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 772.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...