./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe000_power.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/safe000_power.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 93ea095f7be0bf4eaca55f2958de37e1741e1659 ............................................................................................................................................................................................. 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/safe000_power.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 93ea095f7be0bf4eaca55f2958de37e1741e1659 ............................................................................................................................................................................................... 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 01:00:34,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:00:34,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:00:34,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:00:34,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:00:34,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:00:34,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:00:34,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:00:34,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:00:34,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:00:34,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:00:34,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:00:34,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:00:34,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:00:34,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:00:34,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:00:34,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:00:34,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:00:34,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:00:34,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:00:34,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:00:34,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:00:34,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:00:34,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:00:34,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:00:34,924 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:00:34,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:00:34,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:00:34,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:00:34,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:00:34,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:00:34,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:00:34,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:00:34,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:00:34,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:00:34,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:00:34,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:00:34,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:00:34,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:00:34,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:00:34,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:00:34,937 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:00:34,972 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:00:34,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:00:34,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:00:34,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:00:34,977 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:00:34,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:00:34,980 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:00:34,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:00:34,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:00:34,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:00:34,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:00:34,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:00:34,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:00:34,982 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:00:34,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:00:34,982 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:00:34,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:00:34,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:00:34,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:00:34,984 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:00:34,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:00:34,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:00:34,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:00:34,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:00:34,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:00:34,985 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:00:34,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:00:34,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:00:34,986 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 -> 93ea095f7be0bf4eaca55f2958de37e1741e1659 [2019-11-28 01:00:35,306 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:00:35,319 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:00:35,323 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:00:35,324 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:00:35,325 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:00:35,325 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe000_power.oepc.i [2019-11-28 01:00:35,398 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8945ec622/226341d723ad47d88a5222d36117dde7/FLAG9fee4e35b [2019-11-28 01:00:35,989 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:00:35,990 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe000_power.oepc.i [2019-11-28 01:00:36,007 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8945ec622/226341d723ad47d88a5222d36117dde7/FLAG9fee4e35b [2019-11-28 01:00:36,220 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8945ec622/226341d723ad47d88a5222d36117dde7 [2019-11-28 01:00:36,224 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:00:36,226 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:00:36,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:00:36,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:00:36,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:00:36,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:00:36" (1/1) ... [2019-11-28 01:00:36,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f384efe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:36, skipping insertion in model container [2019-11-28 01:00:36,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:00:36" (1/1) ... [2019-11-28 01:00:36,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:00:36,315 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:00:36,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:00:36,923 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:00:37,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:00:37,101 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:00:37,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:37 WrapperNode [2019-11-28 01:00:37,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:00:37,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:00:37,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:00:37,103 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:00:37,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:37" (1/1) ... [2019-11-28 01:00:37,139 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:37" (1/1) ... [2019-11-28 01:00:37,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:00:37,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:00:37,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:00:37,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:00:37,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:37" (1/1) ... [2019-11-28 01:00:37,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:37" (1/1) ... [2019-11-28 01:00:37,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:37" (1/1) ... [2019-11-28 01:00:37,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:37" (1/1) ... [2019-11-28 01:00:37,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:37" (1/1) ... [2019-11-28 01:00:37,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:37" (1/1) ... [2019-11-28 01:00:37,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:37" (1/1) ... [2019-11-28 01:00:37,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:00:37,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:00:37,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:00:37,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:00:37,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:37" (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 01:00:37,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 01:00:37,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:00:37,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:00:37,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:00:37,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:00:37,325 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:00:37,326 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:00:37,326 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:00:37,326 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:00:37,326 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:00:37,329 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:00:37,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 01:00:37,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:00:37,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:00:37,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:00:37,333 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 01:00:38,724 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:00:38,730 INFO L168 Benchmark]: Toolchain (without parser) took 2503.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 955.0 MB in the beginning and 1.0 GB in the end (delta: -61.3 MB). Peak memory consumption was 84.5 MB. Max. memory is 11.5 GB. [2019-11-28 01:00:38,731 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:00:38,732 INFO L168 Benchmark]: CACSL2BoogieTranslator took 875.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -152.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-28 01:00:38,733 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:00:38,734 INFO L168 Benchmark]: Boogie Preprocessor took 54.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:00:38,735 INFO L168 Benchmark]: RCFGBuilder took 1498.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 84.1 MB). Peak memory consumption was 84.1 MB. Max. memory is 11.5 GB. [2019-11-28 01:00:38,739 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 875.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -152.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.18 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 54.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1498.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 84.1 MB). Peak memory consumption was 84.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 01:00:40,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:00:40,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:00:40,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:00:40,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:00:40,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:00:40,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:00:40,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:00:40,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:00:40,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:00:40,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:00:40,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:00:40,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:00:40,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:00:40,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:00:40,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:00:40,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:00:40,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:00:40,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:00:40,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:00:40,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:00:40,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:00:40,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:00:40,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:00:40,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:00:40,816 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:00:40,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:00:40,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:00:40,818 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:00:40,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:00:40,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:00:40,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:00:40,821 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:00:40,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:00:40,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:00:40,823 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:00:40,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:00:40,824 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:00:40,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:00:40,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:00:40,827 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:00:40,828 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:00:40,842 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:00:40,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:00:40,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:00:40,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:00:40,845 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:00:40,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:00:40,846 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:00:40,846 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:00:40,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:00:40,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:00:40,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:00:40,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:00:40,847 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:00:40,848 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:00:40,848 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:00:40,848 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:00:40,848 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:00:40,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:00:40,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:00:40,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:00:40,851 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:00:40,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:00:40,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:00:40,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:00:40,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:00:40,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:00:40,853 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:00:40,853 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:00:40,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:00:40,854 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:00:40,854 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 -> 93ea095f7be0bf4eaca55f2958de37e1741e1659 [2019-11-28 01:00:41,192 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:00:41,211 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:00:41,215 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:00:41,216 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:00:41,217 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:00:41,218 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe000_power.oepc.i [2019-11-28 01:00:41,293 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5c556949/d67fd5d72ed84ed3be4c966449353aac/FLAG531794b19 [2019-11-28 01:00:41,873 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:00:41,873 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe000_power.oepc.i [2019-11-28 01:00:41,896 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5c556949/d67fd5d72ed84ed3be4c966449353aac/FLAG531794b19 [2019-11-28 01:00:42,118 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5c556949/d67fd5d72ed84ed3be4c966449353aac [2019-11-28 01:00:42,121 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:00:42,123 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:00:42,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:00:42,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:00:42,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:00:42,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:00:42" (1/1) ... [2019-11-28 01:00:42,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f384efe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:42, skipping insertion in model container [2019-11-28 01:00:42,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:00:42" (1/1) ... [2019-11-28 01:00:42,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:00:42,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:00:42,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:00:42,859 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:00:42,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:00:43,043 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:00:43,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:43 WrapperNode [2019-11-28 01:00:43,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:00:43,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:00:43,045 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:00:43,045 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:00:43,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:43" (1/1) ... [2019-11-28 01:00:43,087 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:43" (1/1) ... [2019-11-28 01:00:43,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:00:43,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:00:43,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:00:43,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:00:43,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:43" (1/1) ... [2019-11-28 01:00:43,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:43" (1/1) ... [2019-11-28 01:00:43,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:43" (1/1) ... [2019-11-28 01:00:43,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:43" (1/1) ... [2019-11-28 01:00:43,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:43" (1/1) ... [2019-11-28 01:00:43,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:43" (1/1) ... [2019-11-28 01:00:43,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:43" (1/1) ... [2019-11-28 01:00:43,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:00:43,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:00:43,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:00:43,181 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:00:43,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:43" (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 01:00:43,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 01:00:43,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:00:43,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:00:43,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:00:43,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:00:43,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-11-28 01:00:43,266 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:00:43,266 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:00:43,267 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:00:43,267 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:00:43,267 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:00:43,267 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:00:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:00:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:00:43,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:00:43,270 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 01:00:44,459 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 01:00:44,466 INFO L168 Benchmark]: Toolchain (without parser) took 2342.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 956.3 MB in the beginning and 961.9 MB in the end (delta: -5.6 MB). Peak memory consumption was 95.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:00:44,467 INFO L168 Benchmark]: CDTParser took 0.20 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 01:00:44,469 INFO L168 Benchmark]: CACSL2BoogieTranslator took 919.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -96.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:00:44,470 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:00:44,472 INFO L168 Benchmark]: Boogie Preprocessor took 53.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-28 01:00:44,474 INFO L168 Benchmark]: RCFGBuilder took 1282.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 961.9 MB in the end (delta: 83.5 MB). Peak memory consumption was 83.5 MB. Max. memory is 11.5 GB. [2019-11-28 01:00:44,480 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 919.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -96.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 81.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1282.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 961.9 MB in the end (delta: 83.5 MB). Peak memory consumption was 83.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...