./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.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-divine/divinefifo-bug_1w1r.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 b3889e54006dd3539905cc8d2fd19fff782281de ........................................................................................................................................................................................... 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-divine/divinefifo-bug_1w1r.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 b3889e54006dd3539905cc8d2fd19fff782281de ............................................................................................................................................................................................. 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 01:05:47,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:05:47,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:05:47,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:05:47,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:05:47,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:05:47,633 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:05:47,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:05:47,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:05:47,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:05:47,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:05:47,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:05:47,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:05:47,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:05:47,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:05:47,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:05:47,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:05:47,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:05:47,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:05:47,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:05:47,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:05:47,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:05:47,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:05:47,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:05:47,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:05:47,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:05:47,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:05:47,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:05:47,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:05:47,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:05:47,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:05:47,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:05:47,683 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:05:47,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:05:47,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:05:47,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:05:47,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:05:47,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:05:47,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:05:47,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:05:47,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:05:47,689 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:05:47,726 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:05:47,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:05:47,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:05:47,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:05:47,733 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:05:47,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:05:47,733 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:05:47,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:05:47,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:05:47,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:05:47,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:05:47,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:05:47,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:05:47,735 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:05:47,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:05:47,736 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:05:47,736 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:05:47,736 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:05:47,737 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:05:47,737 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:05:47,737 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:05:47,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:05:47,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:05:47,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:05:47,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:05:47,739 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:05:47,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:05:47,739 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:05:47,739 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 -> b3889e54006dd3539905cc8d2fd19fff782281de [2019-11-28 01:05:48,079 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:05:48,102 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:05:48,106 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:05:48,107 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:05:48,108 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:05:48,109 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i [2019-11-28 01:05:48,186 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/301ffdc66/a52b58f4589b4c668cba97c3bfaa6fd8/FLAGe2745c0ac [2019-11-28 01:05:48,732 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:05:48,733 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i [2019-11-28 01:05:48,762 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/301ffdc66/a52b58f4589b4c668cba97c3bfaa6fd8/FLAGe2745c0ac [2019-11-28 01:05:48,963 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/301ffdc66/a52b58f4589b4c668cba97c3bfaa6fd8 [2019-11-28 01:05:48,966 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:05:48,967 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:05:48,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:05:48,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:05:48,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:05:48,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:48" (1/1) ... [2019-11-28 01:05:48,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78d69795 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:48, skipping insertion in model container [2019-11-28 01:05:48,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:48" (1/1) ... [2019-11-28 01:05:48,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:05:49,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:05:49,275 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-11-28 01:05:49,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:05:49,692 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:05:49,707 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-11-28 01:05:49,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:05:49,921 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:05:49,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:49 WrapperNode [2019-11-28 01:05:49,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:05:49,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:05:49,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:05:49,923 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:05:49,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:49" (1/1) ... [2019-11-28 01:05:49,960 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:49" (1/1) ... [2019-11-28 01:05:50,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:05:50,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:05:50,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:05:50,021 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:05:50,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:49" (1/1) ... [2019-11-28 01:05:50,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:49" (1/1) ... [2019-11-28 01:05:50,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:49" (1/1) ... [2019-11-28 01:05:50,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:49" (1/1) ... [2019-11-28 01:05:50,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:49" (1/1) ... [2019-11-28 01:05:50,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:49" (1/1) ... [2019-11-28 01:05:50,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:49" (1/1) ... [2019-11-28 01:05:50,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:05:50,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:05:50,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:05:50,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:05:50,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:49" (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 01:05:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2019-11-28 01:05:50,217 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2019-11-28 01:05:50,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:05:50,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 01:05:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:05:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 01:05:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:05:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 01:05:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 01:05:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:05:50,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:05:50,223 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 01:05:51,346 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:05:51,353 INFO L168 Benchmark]: Toolchain (without parser) took 2384.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 955.0 MB in the beginning and 968.4 MB in the end (delta: -13.4 MB). Peak memory consumption was 120.3 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:51,354 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:05:51,355 INFO L168 Benchmark]: CACSL2BoogieTranslator took 954.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -119.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:51,356 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:51,357 INFO L168 Benchmark]: Boogie Preprocessor took 109.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:05:51,358 INFO L168 Benchmark]: RCFGBuilder took 1218.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 968.4 MB in the end (delta: 99.2 MB). Peak memory consumption was 99.2 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:51,362 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 954.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -119.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 97.94 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 109.86 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 1218.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 968.4 MB in the end (delta: 99.2 MB). Peak memory consumption was 99.2 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 01:05:53,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:05:53,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:05:53,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:05:53,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:05:53,480 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:05:53,482 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:05:53,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:05:53,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:05:53,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:05:53,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:05:53,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:05:53,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:05:53,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:05:53,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:05:53,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:05:53,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:05:53,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:05:53,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:05:53,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:05:53,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:05:53,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:05:53,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:05:53,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:05:53,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:05:53,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:05:53,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:05:53,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:05:53,535 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:05:53,536 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:05:53,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:05:53,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:05:53,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:05:53,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:05:53,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:05:53,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:05:53,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:05:53,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:05:53,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:05:53,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:05:53,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:05:53,545 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:05:53,570 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:05:53,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:05:53,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:05:53,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:05:53,576 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:05:53,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:05:53,577 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:05:53,577 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:05:53,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:05:53,577 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:05:53,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:05:53,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:05:53,578 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:05:53,578 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:05:53,578 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:05:53,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:05:53,580 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:05:53,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:05:53,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:05:53,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:05:53,580 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:05:53,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:05:53,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:05:53,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:05:53,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:05:53,584 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:05:53,584 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:05:53,584 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:05:53,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:05:53,585 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:05:53,585 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 -> b3889e54006dd3539905cc8d2fd19fff782281de [2019-11-28 01:05:53,905 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:05:53,919 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:05:53,923 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:05:53,924 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:05:53,925 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:05:53,926 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i [2019-11-28 01:05:53,989 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/555929ead/fe9f63f6c6664025a744d5abd0829ad3/FLAG99bf0add5 [2019-11-28 01:05:54,527 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:05:54,528 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i [2019-11-28 01:05:54,548 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/555929ead/fe9f63f6c6664025a744d5abd0829ad3/FLAG99bf0add5 [2019-11-28 01:05:54,828 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/555929ead/fe9f63f6c6664025a744d5abd0829ad3 [2019-11-28 01:05:54,831 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:05:54,833 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:05:54,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:05:54,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:05:54,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:05:54,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:54" (1/1) ... [2019-11-28 01:05:54,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70060288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:54, skipping insertion in model container [2019-11-28 01:05:54,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:54" (1/1) ... [2019-11-28 01:05:54,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:05:54,905 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:05:55,083 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-11-28 01:05:55,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:05:55,586 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:05:55,601 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-11-28 01:05:55,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:05:55,832 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:05:55,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:55 WrapperNode [2019-11-28 01:05:55,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:05:55,834 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:05:55,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:05:55,834 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:05:55,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:55" (1/1) ... [2019-11-28 01:05:55,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:55" (1/1) ... [2019-11-28 01:05:55,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:05:55,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:05:55,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:05:55,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:05:55,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:55" (1/1) ... [2019-11-28 01:05:55,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:55" (1/1) ... [2019-11-28 01:05:55,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:55" (1/1) ... [2019-11-28 01:05:55,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:55" (1/1) ... [2019-11-28 01:05:55,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:55" (1/1) ... [2019-11-28 01:05:55,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:55" (1/1) ... [2019-11-28 01:05:55,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:55" (1/1) ... [2019-11-28 01:05:55,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:05:55,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:05:55,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:05:55,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:05:56,000 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:55" (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 01:05:56,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 01:05:56,073 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2019-11-28 01:05:56,073 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2019-11-28 01:05:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:05:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 01:05:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:05:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:05:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 01:05:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 01:05:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:05:56,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:05:56,078 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 01:05:57,364 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:05:57,370 INFO L168 Benchmark]: Toolchain (without parser) took 2536.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 946.9 MB in the beginning and 972.3 MB in the end (delta: -25.3 MB). Peak memory consumption was 111.5 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:57,371 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:05:57,373 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1000.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -123.7 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:57,374 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:57,375 INFO L168 Benchmark]: Boogie Preprocessor took 75.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:57,376 INFO L168 Benchmark]: RCFGBuilder took 1369.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 972.3 MB in the end (delta: 85.0 MB). Peak memory consumption was 85.0 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:57,386 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 1000.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -123.7 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 88.47 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 75.46 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1369.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 972.3 MB in the end (delta: 85.0 MB). Peak memory consumption was 85.0 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...