./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe006_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/safe006_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 c1e7423afa79cdb7f57dcfd87838a188247c0320 ........................................................................................................................................................................................... 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/safe006_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 c1e7423afa79cdb7f57dcfd87838a188247c0320 ............................................................................................................................................................................................. 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 01:01:15,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:01:15,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:01:15,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:01:15,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:01:15,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:01:15,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:01:15,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:01:15,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:01:15,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:01:15,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:01:15,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:01:15,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:01:15,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:01:15,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:01:15,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:01:15,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:01:15,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:01:15,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:01:15,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:01:15,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:01:15,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:01:15,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:01:15,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:01:15,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:01:15,435 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:01:15,435 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:01:15,436 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:01:15,437 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:01:15,438 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:01:15,438 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:01:15,439 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:01:15,440 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:01:15,441 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:01:15,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:01:15,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:01:15,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:01:15,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:01:15,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:01:15,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:01:15,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:01:15,446 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:01:15,462 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:01:15,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:01:15,463 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:01:15,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:01:15,464 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:01:15,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:01:15,465 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:01:15,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:01:15,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:01:15,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:01:15,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:01:15,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:01:15,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:01:15,466 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:01:15,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:01:15,466 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:01:15,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:01:15,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:01:15,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:01:15,467 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:01:15,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:01:15,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:01:15,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:01:15,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:01:15,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:01:15,469 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:01:15,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:01:15,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:01:15,469 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 -> c1e7423afa79cdb7f57dcfd87838a188247c0320 [2019-11-28 01:01:15,774 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:01:15,795 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:01:15,798 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:01:15,799 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:01:15,799 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:01:15,801 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe006_rmo.opt.i [2019-11-28 01:01:15,878 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39affd376/11bea09ab6eb4aecaca696ba604fd30d/FLAG89848ec8a [2019-11-28 01:01:16,492 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:01:16,492 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe006_rmo.opt.i [2019-11-28 01:01:16,508 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39affd376/11bea09ab6eb4aecaca696ba604fd30d/FLAG89848ec8a [2019-11-28 01:01:16,721 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39affd376/11bea09ab6eb4aecaca696ba604fd30d [2019-11-28 01:01:16,725 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:01:16,729 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:01:16,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:01:16,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:01:16,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:01:16,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:01:16" (1/1) ... [2019-11-28 01:01:16,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d888c3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:16, skipping insertion in model container [2019-11-28 01:01:16,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:01:16" (1/1) ... [2019-11-28 01:01:16,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:01:16,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:01:17,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:01:17,295 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:01:17,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:01:17,479 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:01:17,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:17 WrapperNode [2019-11-28 01:01:17,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:01:17,480 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:01:17,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:01:17,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:01:17,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:17" (1/1) ... [2019-11-28 01:01:17,532 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:17" (1/1) ... [2019-11-28 01:01:17,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:01:17,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:01:17,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:01:17,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:01:17,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:17" (1/1) ... [2019-11-28 01:01:17,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:17" (1/1) ... [2019-11-28 01:01:17,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:17" (1/1) ... [2019-11-28 01:01:17,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:17" (1/1) ... [2019-11-28 01:01:17,587 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:17" (1/1) ... [2019-11-28 01:01:17,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:17" (1/1) ... [2019-11-28 01:01:17,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:17" (1/1) ... [2019-11-28 01:01:17,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:01:17,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:01:17,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:01:17,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:01:17,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:17" (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 01:01:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 01:01:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:01:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:01:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:01:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:01:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:01:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:01:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:01:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:01:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 01:01:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:01:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:01:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:01:17,667 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 01:01:18,369 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:01:18,375 INFO L168 Benchmark]: Toolchain (without parser) took 1647.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 960.4 MB in the beginning and 1.0 GB in the end (delta: -61.3 MB). Peak memory consumption was 45.1 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:18,376 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:01:18,377 INFO L168 Benchmark]: CACSL2BoogieTranslator took 742.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -118.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:18,378 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.12 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:01:18,379 INFO L168 Benchmark]: Boogie Preprocessor took 39.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:18,379 INFO L168 Benchmark]: RCFGBuilder took 771.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:18,383 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 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 742.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -118.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.12 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 39.87 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 771.56 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: 45.3 MB). Peak memory consumption was 45.3 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 01:01:20,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:01:20,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:01:20,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:01:20,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:01:20,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:01:20,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:01:20,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:01:20,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:01:20,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:01:20,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:01:20,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:01:20,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:01:20,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:01:20,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:01:20,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:01:20,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:01:20,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:01:20,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:01:20,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:01:20,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:01:20,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:01:20,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:01:20,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:01:20,392 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:01:20,392 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:01:20,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:01:20,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:01:20,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:01:20,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:01:20,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:01:20,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:01:20,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:01:20,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:01:20,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:01:20,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:01:20,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:01:20,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:01:20,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:01:20,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:01:20,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:01:20,403 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:01:20,429 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:01:20,429 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:01:20,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:01:20,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:01:20,431 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:01:20,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:01:20,432 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:01:20,432 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:01:20,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:01:20,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:01:20,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:01:20,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:01:20,434 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:01:20,435 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:01:20,435 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:01:20,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:01:20,435 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:01:20,435 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:01:20,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:01:20,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:01:20,436 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:01:20,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:01:20,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:01:20,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:01:20,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:01:20,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:01:20,438 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:01:20,438 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:01:20,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:01:20,438 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:01:20,439 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 -> c1e7423afa79cdb7f57dcfd87838a188247c0320 [2019-11-28 01:01:20,846 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:01:20,860 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:01:20,864 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:01:20,866 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:01:20,867 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:01:20,867 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe006_rmo.opt.i [2019-11-28 01:01:20,944 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ac56e13a/d7f5bfe535664057bc6873aab5ed4f8f/FLAGd77f2ef11 [2019-11-28 01:01:21,508 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:01:21,510 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe006_rmo.opt.i [2019-11-28 01:01:21,531 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ac56e13a/d7f5bfe535664057bc6873aab5ed4f8f/FLAGd77f2ef11 [2019-11-28 01:01:21,839 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ac56e13a/d7f5bfe535664057bc6873aab5ed4f8f [2019-11-28 01:01:21,842 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:01:21,844 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:01:21,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:01:21,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:01:21,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:01:21,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:01:21" (1/1) ... [2019-11-28 01:01:21,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d265c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:21, skipping insertion in model container [2019-11-28 01:01:21,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:01:21" (1/1) ... [2019-11-28 01:01:21,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:01:21,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:01:22,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:01:22,563 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:01:22,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:01:22,787 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:01:22,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:22 WrapperNode [2019-11-28 01:01:22,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:01:22,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:01:22,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:01:22,790 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:01:22,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:22" (1/1) ... [2019-11-28 01:01:22,856 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:22" (1/1) ... [2019-11-28 01:01:22,899 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:01:22,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:01:22,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:01:22,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:01:22,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:22" (1/1) ... [2019-11-28 01:01:22,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:22" (1/1) ... [2019-11-28 01:01:22,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:22" (1/1) ... [2019-11-28 01:01:22,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:22" (1/1) ... [2019-11-28 01:01:22,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:22" (1/1) ... [2019-11-28 01:01:22,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:22" (1/1) ... [2019-11-28 01:01:22,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:22" (1/1) ... [2019-11-28 01:01:22,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:01:22,960 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:01:22,960 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:01:22,960 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:01:22,961 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:22" (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 01:01:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 01:01:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:01:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:01:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:01:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:01:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-11-28 01:01:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:01:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:01:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:01:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:01:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:01:23,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:01:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:01:23,034 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 01:01:23,755 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 01:01:23,761 INFO L168 Benchmark]: Toolchain (without parser) took 1916.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 957.7 MB in the beginning and 1.0 GB in the end (delta: -49.4 MB). Peak memory consumption was 50.2 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:23,762 INFO L168 Benchmark]: CDTParser took 0.18 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 01:01:23,764 INFO L168 Benchmark]: CACSL2BoogieTranslator took 943.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -109.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:23,765 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.24 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 01:01:23,767 INFO L168 Benchmark]: Boogie Preprocessor took 59.46 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 01:01:23,768 INFO L168 Benchmark]: RCFGBuilder took 798.48 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: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:23,772 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 943.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -109.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 110.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.46 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 798.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...