./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe016_pso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe016_pso.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5b55cd39bd506cf3dcd548eec1f2cee49419f161 ............................................................................................................................................................................................. 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/safe016_pso.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5b55cd39bd506cf3dcd548eec1f2cee49419f161 ............................................................................................................................................................................................... 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 01:02:11,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:02:11,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:02:11,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:02:11,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:02:11,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:02:11,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:02:11,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:02:11,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:02:11,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:02:11,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:02:11,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:02:11,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:02:11,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:02:11,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:02:11,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:02:11,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:02:11,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:02:11,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:02:11,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:02:11,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:02:11,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:02:11,782 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:02:11,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:02:11,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:02:11,789 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:02:11,789 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:02:11,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:02:11,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:02:11,793 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:02:11,794 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:02:11,795 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:02:11,796 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:02:11,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:02:11,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:02:11,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:02:11,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:02:11,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:02:11,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:02:11,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:02:11,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:02:11,807 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:02:11,832 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:02:11,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:02:11,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:02:11,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:02:11,834 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:02:11,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:02:11,835 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:02:11,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:02:11,836 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:02:11,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:02:11,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:02:11,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:02:11,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:02:11,838 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:02:11,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:02:11,839 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:02:11,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:02:11,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:02:11,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:02:11,840 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:02:11,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:02:11,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:02:11,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:02:11,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:02:11,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:02:11,842 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:02:11,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:02:11,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:02:11,842 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 -> 5b55cd39bd506cf3dcd548eec1f2cee49419f161 [2019-11-28 01:02:12,137 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:02:12,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:02:12,155 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:02:12,156 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:02:12,157 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:02:12,158 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe016_pso.oepc.i [2019-11-28 01:02:12,235 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37ea6f6da/6ffccc14a14848a7b0a801d21edec6ff/FLAG991797b01 [2019-11-28 01:02:12,817 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:02:12,818 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe016_pso.oepc.i [2019-11-28 01:02:12,833 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37ea6f6da/6ffccc14a14848a7b0a801d21edec6ff/FLAG991797b01 [2019-11-28 01:02:13,090 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37ea6f6da/6ffccc14a14848a7b0a801d21edec6ff [2019-11-28 01:02:13,094 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:02:13,095 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:02:13,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:02:13,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:02:13,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:02:13,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:02:13" (1/1) ... [2019-11-28 01:02:13,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a0c7b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:13, skipping insertion in model container [2019-11-28 01:02:13,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:02:13" (1/1) ... [2019-11-28 01:02:13,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:02:13,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:02:13,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:02:13,654 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:02:13,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:02:13,785 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:02:13,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:13 WrapperNode [2019-11-28 01:02:13,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:02:13,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:02:13,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:02:13,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:02:13,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:13" (1/1) ... [2019-11-28 01:02:13,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:13" (1/1) ... [2019-11-28 01:02:13,832 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:02:13,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:02:13,832 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:02:13,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:02:13,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:13" (1/1) ... [2019-11-28 01:02:13,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:13" (1/1) ... [2019-11-28 01:02:13,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:13" (1/1) ... [2019-11-28 01:02:13,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:13" (1/1) ... [2019-11-28 01:02:13,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:13" (1/1) ... [2019-11-28 01:02:13,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:13" (1/1) ... [2019-11-28 01:02:13,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:13" (1/1) ... [2019-11-28 01:02:13,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:02:13,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:02:13,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:02:13,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:02:13,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:13" (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 01:02:13,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:02:13,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:02:13,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:02:13,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:02:13,928 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:02:13,928 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:02:13,929 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:02:13,929 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:02:13,929 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:02:13,929 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:02:13,930 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-28 01:02:13,930 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-28 01:02:13,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:02:13,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:02:13,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:02:13,932 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 01:02:14,304 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:02:14,313 INFO L168 Benchmark]: Toolchain (without parser) took 1215.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -129.8 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:14,314 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:02:14,316 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:14,317 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:02:14,318 INFO L168 Benchmark]: Boogie Preprocessor took 27.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:02:14,320 INFO L168 Benchmark]: RCFGBuilder took 448.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:14,325 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 689.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.24 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 27.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 448.96 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: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 01:02:16,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:02:16,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:02:16,419 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:02:16,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:02:16,420 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:02:16,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:02:16,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:02:16,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:02:16,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:02:16,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:02:16,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:02:16,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:02:16,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:02:16,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:02:16,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:02:16,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:02:16,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:02:16,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:02:16,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:02:16,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:02:16,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:02:16,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:02:16,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:02:16,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:02:16,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:02:16,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:02:16,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:02:16,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:02:16,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:02:16,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:02:16,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:02:16,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:02:16,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:02:16,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:02:16,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:02:16,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:02:16,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:02:16,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:02:16,457 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:02:16,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:02:16,459 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:02:16,482 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:02:16,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:02:16,485 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:02:16,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:02:16,486 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:02:16,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:02:16,486 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:02:16,486 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:02:16,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:02:16,487 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:02:16,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:02:16,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:02:16,488 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:02:16,489 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:02:16,489 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:02:16,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:02:16,490 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:02:16,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:02:16,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:02:16,490 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:02:16,491 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:02:16,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:02:16,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:02:16,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:02:16,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:02:16,492 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:02:16,492 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:02:16,492 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:02:16,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:02:16,493 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:02:16,493 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 -> 5b55cd39bd506cf3dcd548eec1f2cee49419f161 [2019-11-28 01:02:16,865 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:02:16,886 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:02:16,892 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:02:16,895 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:02:16,896 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:02:16,897 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe016_pso.oepc.i [2019-11-28 01:02:16,965 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad8331308/c897561ac4d74ad9b75551e382bac814/FLAG566bb4b71 [2019-11-28 01:02:17,496 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:02:17,497 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe016_pso.oepc.i [2019-11-28 01:02:17,518 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad8331308/c897561ac4d74ad9b75551e382bac814/FLAG566bb4b71 [2019-11-28 01:02:17,796 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad8331308/c897561ac4d74ad9b75551e382bac814 [2019-11-28 01:02:17,800 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:02:17,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:02:17,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:02:17,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:02:17,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:02:17,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:02:17" (1/1) ... [2019-11-28 01:02:17,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d5399f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:17, skipping insertion in model container [2019-11-28 01:02:17,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:02:17" (1/1) ... [2019-11-28 01:02:17,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:02:17,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:02:18,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:02:18,290 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:02:18,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:02:18,425 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:02:18,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:18 WrapperNode [2019-11-28 01:02:18,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:02:18,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:02:18,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:02:18,428 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:02:18,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:18" (1/1) ... [2019-11-28 01:02:18,457 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:18" (1/1) ... [2019-11-28 01:02:18,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:02:18,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:02:18,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:02:18,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:02:18,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:18" (1/1) ... [2019-11-28 01:02:18,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:18" (1/1) ... [2019-11-28 01:02:18,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:18" (1/1) ... [2019-11-28 01:02:18,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:18" (1/1) ... [2019-11-28 01:02:18,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:18" (1/1) ... [2019-11-28 01:02:18,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:18" (1/1) ... [2019-11-28 01:02:18,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:18" (1/1) ... [2019-11-28 01:02:18,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:02:18,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:02:18,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:02:18,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:02:18,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:18" (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 01:02:18,584 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:02:18,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:02:18,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:02:18,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:02:18,585 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:02:18,585 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:02:18,585 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:02:18,585 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:02:18,586 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:02:18,586 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:02:18,586 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-28 01:02:18,586 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-28 01:02:18,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:02:18,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:02:18,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:02:18,589 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 01:02:19,007 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 01:02:19,012 INFO L168 Benchmark]: Toolchain (without parser) took 1210.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 74.4 MB). Free memory was 946.9 MB in the beginning and 1.0 GB in the end (delta: -67.5 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:19,013 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:02:19,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 74.4 MB). Free memory was 946.9 MB in the beginning and 1.0 GB in the end (delta: -93.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:19,015 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.52 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:02:19,015 INFO L168 Benchmark]: Boogie Preprocessor took 32.70 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:02:19,016 INFO L168 Benchmark]: RCFGBuilder took 492.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:19,020 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 624.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 74.4 MB). Free memory was 946.9 MB in the beginning and 1.0 GB in the end (delta: -93.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.52 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.70 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 492.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...