./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/thin002_tso.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/thin002_tso.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 6e5d4029f581c462fcc1266ae50a944afe6a64c5 ............................................................................................................................................................................................. 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/thin002_tso.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 6e5d4029f581c462fcc1266ae50a944afe6a64c5 ............................................................................................................................................................................................... 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 01:04:39,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:04:39,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:04:39,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:04:39,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:04:39,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:04:39,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:04:39,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:04:39,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:04:39,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:04:39,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:04:39,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:04:39,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:04:39,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:04:39,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:04:39,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:04:39,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:04:39,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:04:39,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:04:39,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:04:39,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:04:39,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:04:39,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:04:39,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:04:39,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:04:39,891 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:04:39,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:04:39,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:04:39,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:04:39,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:04:39,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:04:39,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:04:39,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:04:39,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:04:39,897 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:04:39,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:04:39,898 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:04:39,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:04:39,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:04:39,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:04:39,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:04:39,903 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:04:39,921 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:04:39,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:04:39,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:04:39,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:04:39,926 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:04:39,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:04:39,926 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:04:39,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:04:39,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:04:39,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:04:39,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:04:39,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:04:39,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:04:39,928 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:04:39,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:04:39,929 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:04:39,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:04:39,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:04:39,930 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:04:39,930 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:04:39,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:04:39,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:04:39,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:04:39,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:04:39,932 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:04:39,932 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:04:39,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:04:39,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:04:39,933 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 -> 6e5d4029f581c462fcc1266ae50a944afe6a64c5 [2019-11-28 01:04:40,242 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:04:40,261 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:04:40,265 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:04:40,266 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:04:40,266 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:04:40,268 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/thin002_tso.opt.i [2019-11-28 01:04:40,338 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9adeab061/e34053b2313e4568b1f9ebdbc17ace4b/FLAG5add9024b [2019-11-28 01:04:40,832 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:04:40,833 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/thin002_tso.opt.i [2019-11-28 01:04:40,860 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9adeab061/e34053b2313e4568b1f9ebdbc17ace4b/FLAG5add9024b [2019-11-28 01:04:41,150 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9adeab061/e34053b2313e4568b1f9ebdbc17ace4b [2019-11-28 01:04:41,154 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:04:41,156 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:04:41,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:04:41,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:04:41,162 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:04:41,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:04:41" (1/1) ... [2019-11-28 01:04:41,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@236deb42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:41, skipping insertion in model container [2019-11-28 01:04:41,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:04:41" (1/1) ... [2019-11-28 01:04:41,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:04:41,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:04:41,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:04:41,704 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:04:41,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:04:41,832 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:04:41,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:41 WrapperNode [2019-11-28 01:04:41,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:04:41,834 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:04:41,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:04:41,834 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:04:41,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:41" (1/1) ... [2019-11-28 01:04:41,860 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:41" (1/1) ... [2019-11-28 01:04:41,883 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:04:41,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:04:41,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:04:41,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:04:41,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:41" (1/1) ... [2019-11-28 01:04:41,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:41" (1/1) ... [2019-11-28 01:04:41,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:41" (1/1) ... [2019-11-28 01:04:41,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:41" (1/1) ... [2019-11-28 01:04:41,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:41" (1/1) ... [2019-11-28 01:04:41,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:41" (1/1) ... [2019-11-28 01:04:41,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:41" (1/1) ... [2019-11-28 01:04:41,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:04:41,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:04:41,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:04:41,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:04:41,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:41" (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 01:04:41,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:04:41,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:04:41,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:04:41,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:04:41,976 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:04:41,976 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:04:41,976 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:04:41,976 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:04:41,976 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:04:41,976 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:04:41,977 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-28 01:04:41,977 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-28 01:04:41,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:04:41,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:04:41,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:04:41,979 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 01:04:42,376 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:04:42,382 INFO L168 Benchmark]: Toolchain (without parser) took 1225.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -118.8 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:42,383 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:04:42,384 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -149.7 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:42,385 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:04:42,385 INFO L168 Benchmark]: Boogie Preprocessor took 26.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:04:42,386 INFO L168 Benchmark]: RCFGBuilder took 469.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:42,390 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 675.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -149.7 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.09 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 26.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 469.07 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: 30.9 MB). Peak memory consumption was 30.9 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... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 01:04:44,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:04:44,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:04:44,214 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:04:44,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:04:44,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:04:44,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:04:44,219 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:04:44,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:04:44,230 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:04:44,231 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:04:44,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:04:44,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:04:44,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:04:44,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:04:44,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:04:44,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:04:44,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:04:44,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:04:44,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:04:44,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:04:44,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:04:44,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:04:44,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:04:44,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:04:44,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:04:44,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:04:44,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:04:44,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:04:44,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:04:44,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:04:44,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:04:44,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:04:44,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:04:44,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:04:44,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:04:44,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:04:44,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:04:44,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:04:44,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:04:44,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:04:44,262 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:04:44,276 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:04:44,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:04:44,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:04:44,278 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:04:44,278 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:04:44,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:04:44,279 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:04:44,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:04:44,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:04:44,280 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:04:44,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:04:44,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:04:44,281 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:04:44,281 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:04:44,281 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:04:44,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:04:44,282 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:04:44,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:04:44,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:04:44,283 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:04:44,283 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:04:44,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:04:44,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:04:44,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:04:44,285 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:04:44,287 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:04:44,287 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:04:44,287 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:04:44,288 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:04:44,288 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:04:44,288 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 -> 6e5d4029f581c462fcc1266ae50a944afe6a64c5 [2019-11-28 01:04:44,612 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:04:44,625 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:04:44,628 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:04:44,629 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:04:44,630 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:04:44,631 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/thin002_tso.opt.i [2019-11-28 01:04:44,689 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b30bdc692/96ecd32c239740b6ad6319a55a42d57d/FLAGcf842b527 [2019-11-28 01:04:45,178 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:04:45,179 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/thin002_tso.opt.i [2019-11-28 01:04:45,196 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b30bdc692/96ecd32c239740b6ad6319a55a42d57d/FLAGcf842b527 [2019-11-28 01:04:45,530 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b30bdc692/96ecd32c239740b6ad6319a55a42d57d [2019-11-28 01:04:45,533 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:04:45,535 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:04:45,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:04:45,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:04:45,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:04:45,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:04:45" (1/1) ... [2019-11-28 01:04:45,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5438bd97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:45, skipping insertion in model container [2019-11-28 01:04:45,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:04:45" (1/1) ... [2019-11-28 01:04:45,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:04:45,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:04:46,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:04:46,115 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:04:46,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:04:46,303 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:04:46,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:46 WrapperNode [2019-11-28 01:04:46,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:04:46,305 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:04:46,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:04:46,305 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:04:46,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:46" (1/1) ... [2019-11-28 01:04:46,341 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:46" (1/1) ... [2019-11-28 01:04:46,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:04:46,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:04:46,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:04:46,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:04:46,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:46" (1/1) ... [2019-11-28 01:04:46,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:46" (1/1) ... [2019-11-28 01:04:46,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:46" (1/1) ... [2019-11-28 01:04:46,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:46" (1/1) ... [2019-11-28 01:04:46,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:46" (1/1) ... [2019-11-28 01:04:46,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:46" (1/1) ... [2019-11-28 01:04:46,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:46" (1/1) ... [2019-11-28 01:04:46,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:04:46,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:04:46,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:04:46,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:04:46,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:46" (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 01:04:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:04:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:04:46,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:04:46,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:04:46,523 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:04:46,523 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:04:46,524 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:04:46,524 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:04:46,525 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:04:46,525 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:04:46,525 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-28 01:04:46,525 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-28 01:04:46,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:04:46,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:04:46,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:04:46,528 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 01:04:46,916 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 01:04:46,922 INFO L168 Benchmark]: Toolchain (without parser) took 1385.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -127.4 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:46,923 INFO L168 Benchmark]: CDTParser took 0.27 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 01:04:46,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 768.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -158.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:46,926 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.48 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 01:04:46,927 INFO L168 Benchmark]: Boogie Preprocessor took 63.96 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:46,928 INFO L168 Benchmark]: RCFGBuilder took 483.36 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: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:46,932 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 768.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -158.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.48 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 483.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...