./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/rfi002_rmo.opt.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/rfi002_rmo.opt.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 2d47eb5397c9e0a8db5f6547360ad943f99f9ebf ......................................................................................................................................................................................... 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/rfi002_rmo.opt.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 2d47eb5397c9e0a8db5f6547360ad943f99f9ebf ........................................................................................................................................................................................... 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 00:59:43,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:59:43,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:59:43,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:59:43,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:59:43,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:59:43,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:59:43,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:59:43,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:59:43,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:59:43,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:59:43,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:59:43,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:59:43,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:59:43,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:59:43,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:59:43,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:59:43,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:59:43,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:59:43,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:59:43,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:59:43,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:59:43,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:59:43,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:59:43,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:59:43,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:59:43,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:59:43,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:59:43,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:59:43,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:59:43,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:59:43,421 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:59:43,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:59:43,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:59:43,424 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:59:43,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:59:43,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:59:43,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:59:43,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:59:43,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:59:43,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:59:43,429 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:59:43,465 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:59:43,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:59:43,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:59:43,471 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:59:43,471 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:59:43,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:59:43,472 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:59:43,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:59:43,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:59:43,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:59:43,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:59:43,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:59:43,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:59:43,475 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:59:43,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:59:43,476 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:59:43,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:59:43,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:59:43,477 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:59:43,477 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:59:43,477 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:59:43,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:59:43,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:59:43,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:59:43,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:59:43,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:59:43,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:59:43,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:59:43,480 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 -> 2d47eb5397c9e0a8db5f6547360ad943f99f9ebf [2019-11-28 00:59:43,784 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:59:43,801 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:59:43,805 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:59:43,807 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:59:43,808 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:59:43,809 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/rfi002_rmo.opt.i [2019-11-28 00:59:43,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dd14b9f5/5992133962d148b2a57bd4f430c1f6a3/FLAG1bcdf1c78 [2019-11-28 00:59:44,498 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:59:44,499 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi002_rmo.opt.i [2019-11-28 00:59:44,530 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dd14b9f5/5992133962d148b2a57bd4f430c1f6a3/FLAG1bcdf1c78 [2019-11-28 00:59:44,739 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dd14b9f5/5992133962d148b2a57bd4f430c1f6a3 [2019-11-28 00:59:44,743 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:59:44,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:59:44,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:59:44,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:59:44,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:59:44,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:59:44" (1/1) ... [2019-11-28 00:59:44,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f57c6e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:44, skipping insertion in model container [2019-11-28 00:59:44,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:59:44" (1/1) ... [2019-11-28 00:59:44,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:59:44,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:59:45,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:59:45,435 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:59:45,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:59:45,599 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:59:45,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:45 WrapperNode [2019-11-28 00:59:45,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:59:45,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:59:45,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:59:45,601 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:59:45,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:45" (1/1) ... [2019-11-28 00:59:45,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:45" (1/1) ... [2019-11-28 00:59:45,692 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:59:45,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:59:45,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:59:45,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:59:45,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:45" (1/1) ... [2019-11-28 00:59:45,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:45" (1/1) ... [2019-11-28 00:59:45,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:45" (1/1) ... [2019-11-28 00:59:45,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:45" (1/1) ... [2019-11-28 00:59:45,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:45" (1/1) ... [2019-11-28 00:59:45,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:45" (1/1) ... [2019-11-28 00:59:45,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:45" (1/1) ... [2019-11-28 00:59:45,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:59:45,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:59:45,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:59:45,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:59:45,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:45" (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 00:59:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:59:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:59:45,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:59:45,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:59:45,864 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:59:45,864 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:59:45,865 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:59:45,866 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:59:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:59:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:59:45,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:59:45,872 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 00:59:46,974 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 00:59:46,980 INFO L168 Benchmark]: Toolchain (without parser) took 2234.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 960.4 MB in the beginning and 1.0 GB in the end (delta: -55.2 MB). Peak memory consumption was 83.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:46,981 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:59:46,982 INFO L168 Benchmark]: CACSL2BoogieTranslator took 851.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -138.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:46,983 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:59:46,984 INFO L168 Benchmark]: Boogie Preprocessor took 65.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:46,985 INFO L168 Benchmark]: RCFGBuilder took 1219.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.6 MB). Peak memory consumption was 71.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:46,989 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 851.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -138.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 91.33 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. * Boogie Preprocessor took 65.65 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1219.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.6 MB). Peak memory consumption was 71.6 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 00:59:49,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:59:49,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:59:49,150 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:59:49,151 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:59:49,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:59:49,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:59:49,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:59:49,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:59:49,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:59:49,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:59:49,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:59:49,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:59:49,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:59:49,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:59:49,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:59:49,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:59:49,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:59:49,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:59:49,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:59:49,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:59:49,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:59:49,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:59:49,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:59:49,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:59:49,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:59:49,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:59:49,213 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:59:49,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:59:49,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:59:49,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:59:49,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:59:49,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:59:49,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:59:49,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:59:49,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:59:49,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:59:49,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:59:49,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:59:49,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:59:49,224 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:59:49,225 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:59:49,256 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:59:49,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:59:49,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:59:49,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:59:49,261 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:59:49,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:59:49,261 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:59:49,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:59:49,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:59:49,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:59:49,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:59:49,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:59:49,264 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:59:49,264 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:59:49,265 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:59:49,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:59:49,265 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:59:49,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:59:49,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:59:49,266 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:59:49,266 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:59:49,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:59:49,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:59:49,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:59:49,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:59:49,268 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:59:49,268 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:59:49,268 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:59:49,268 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:59:49,269 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:59:49,269 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 -> 2d47eb5397c9e0a8db5f6547360ad943f99f9ebf [2019-11-28 00:59:49,602 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:59:49,626 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:59:49,630 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:59:49,633 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:59:49,634 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:59:49,635 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/rfi002_rmo.opt.i [2019-11-28 00:59:49,712 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e5249571/30925cf4b82f40d2b3394c67cf6b5b32/FLAG01e847391 [2019-11-28 00:59:50,351 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:59:50,353 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi002_rmo.opt.i [2019-11-28 00:59:50,377 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e5249571/30925cf4b82f40d2b3394c67cf6b5b32/FLAG01e847391 [2019-11-28 00:59:50,562 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e5249571/30925cf4b82f40d2b3394c67cf6b5b32 [2019-11-28 00:59:50,565 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:59:50,567 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:59:50,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:59:50,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:59:50,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:59:50,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:59:50" (1/1) ... [2019-11-28 00:59:50,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@286e58b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:50, skipping insertion in model container [2019-11-28 00:59:50,578 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:59:50" (1/1) ... [2019-11-28 00:59:50,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:59:50,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:59:51,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:59:51,171 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:59:51,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:59:51,370 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:59:51,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:51 WrapperNode [2019-11-28 00:59:51,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:59:51,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:59:51,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:59:51,373 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:59:51,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:51" (1/1) ... [2019-11-28 00:59:51,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:51" (1/1) ... [2019-11-28 00:59:51,480 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:59:51,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:59:51,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:59:51,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:59:51,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:51" (1/1) ... [2019-11-28 00:59:51,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:51" (1/1) ... [2019-11-28 00:59:51,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:51" (1/1) ... [2019-11-28 00:59:51,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:51" (1/1) ... [2019-11-28 00:59:51,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:51" (1/1) ... [2019-11-28 00:59:51,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:51" (1/1) ... [2019-11-28 00:59:51,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:51" (1/1) ... [2019-11-28 00:59:51,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:59:51,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:59:51,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:59:51,591 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:59:51,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:51" (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 00:59:51,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:59:51,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:59:51,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:59:51,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 00:59:51,675 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:59:51,675 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:59:51,675 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:59:51,675 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:59:51,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:59:51,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:59:51,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:59:51,679 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 00:59:52,707 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 00:59:52,715 INFO L168 Benchmark]: Toolchain (without parser) took 2146.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 960.4 MB in the beginning and 996.0 MB in the end (delta: -35.6 MB). Peak memory consumption was 78.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:52,716 INFO L168 Benchmark]: CDTParser took 0.42 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 00:59:52,717 INFO L168 Benchmark]: CACSL2BoogieTranslator took 803.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -119.8 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:52,718 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.17 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 00:59:52,720 INFO L168 Benchmark]: Boogie Preprocessor took 109.09 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:52,721 INFO L168 Benchmark]: RCFGBuilder took 1122.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 996.0 MB in the end (delta: 72.1 MB). Peak memory consumption was 72.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:52,728 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 803.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -119.8 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 108.17 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 109.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1122.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 996.0 MB in the end (delta: 72.1 MB). Peak memory consumption was 72.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...