./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-divine/condvar.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/condvar.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 608daa6125fca7edb704aa4fad695d54b285441b .......................................................................................................................................................................................... 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/condvar.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 608daa6125fca7edb704aa4fad695d54b285441b ............................................................................................................................................................................................ 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 01:05:45,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:05:45,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:05:45,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:05:45,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:05:45,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:05:45,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:05:45,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:05:45,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:05:45,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:05:45,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:05:45,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:05:45,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:05:45,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:05:45,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:05:45,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:05:45,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:05:45,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:05:45,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:05:45,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:05:45,736 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:05:45,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:05:45,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:05:45,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:05:45,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:05:45,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:05:45,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:05:45,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:05:45,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:05:45,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:05:45,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:05:45,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:05:45,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:05:45,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:05:45,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:05:45,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:05:45,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:05:45,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:05:45,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:05:45,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:05:45,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:05:45,763 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:05:45,784 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:05:45,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:05:45,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:05:45,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:05:45,786 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:05:45,786 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:05:45,786 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:05:45,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:05:45,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:05:45,787 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:05:45,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:05:45,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:05:45,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:05:45,788 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:05:45,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:05:45,789 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:05:45,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:05:45,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:05:45,789 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:05:45,790 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:05:45,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:05:45,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:05:45,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:05:45,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:05:45,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:05:45,791 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:05:45,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:05:45,791 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:05:45,791 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 -> 608daa6125fca7edb704aa4fad695d54b285441b [2019-11-28 01:05:46,096 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:05:46,110 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:05:46,115 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:05:46,116 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:05:46,117 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:05:46,118 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-divine/condvar.i [2019-11-28 01:05:46,193 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3f0c92f6/fdfdda0018424e12aeb9b334d3cbfc0d/FLAG22e53d509 [2019-11-28 01:05:46,694 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:05:46,695 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-divine/condvar.i [2019-11-28 01:05:46,710 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3f0c92f6/fdfdda0018424e12aeb9b334d3cbfc0d/FLAG22e53d509 [2019-11-28 01:05:47,003 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3f0c92f6/fdfdda0018424e12aeb9b334d3cbfc0d [2019-11-28 01:05:47,007 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:05:47,008 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:05:47,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:05:47,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:05:47,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:05:47,013 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:47" (1/1) ... [2019-11-28 01:05:47,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@170cd080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:47, skipping insertion in model container [2019-11-28 01:05:47,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:47" (1/1) ... [2019-11-28 01:05:47,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:05:47,066 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:05:47,255 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-11-28 01:05:47,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:05:47,524 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:05:47,545 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-11-28 01:05:47,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:05:47,672 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:05:47,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:47 WrapperNode [2019-11-28 01:05:47,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:05:47,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:05:47,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:05:47,674 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:05:47,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:47" (1/1) ... [2019-11-28 01:05:47,711 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:47" (1/1) ... [2019-11-28 01:05:47,735 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:05:47,735 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:05:47,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:05:47,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:05:47,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:47" (1/1) ... [2019-11-28 01:05:47,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:47" (1/1) ... [2019-11-28 01:05:47,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:47" (1/1) ... [2019-11-28 01:05:47,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:47" (1/1) ... [2019-11-28 01:05:47,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:47" (1/1) ... [2019-11-28 01:05:47,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:47" (1/1) ... [2019-11-28 01:05:47,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:47" (1/1) ... [2019-11-28 01:05:47,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:05:47,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:05:47,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:05:47,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:05:47,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:47" (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 01:05:47,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 01:05:47,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:05:47,827 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-11-28 01:05:47,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:05:47,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:05:47,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 01:05:47,828 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2019-11-28 01:05:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2019-11-28 01:05:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:05:47,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:05:47,831 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 01:05:48,168 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:05:48,173 INFO L168 Benchmark]: Toolchain (without parser) took 1163.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -138.5 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:48,173 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:05:48,175 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -168.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:48,175 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:05:48,176 INFO L168 Benchmark]: Boogie Preprocessor took 26.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:05:48,177 INFO L168 Benchmark]: RCFGBuilder took 407.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:48,180 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 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 664.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -168.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.82 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 407.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 01:05:50,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:05:50,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:05:50,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:05:50,106 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:05:50,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:05:50,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:05:50,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:05:50,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:05:50,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:05:50,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:05:50,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:05:50,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:05:50,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:05:50,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:05:50,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:05:50,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:05:50,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:05:50,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:05:50,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:05:50,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:05:50,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:05:50,142 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:05:50,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:05:50,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:05:50,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:05:50,147 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:05:50,148 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:05:50,149 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:05:50,150 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:05:50,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:05:50,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:05:50,152 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:05:50,153 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:05:50,154 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:05:50,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:05:50,155 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:05:50,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:05:50,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:05:50,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:05:50,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:05:50,158 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:05:50,172 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:05:50,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:05:50,174 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:05:50,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:05:50,174 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:05:50,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:05:50,175 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:05:50,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:05:50,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:05:50,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:05:50,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:05:50,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:05:50,176 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:05:50,177 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:05:50,177 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:05:50,177 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:05:50,177 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:05:50,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:05:50,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:05:50,178 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:05:50,179 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:05:50,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:05:50,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:05:50,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:05:50,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:05:50,180 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:05:50,180 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:05:50,181 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:05:50,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:05:50,181 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:05:50,181 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 -> 608daa6125fca7edb704aa4fad695d54b285441b [2019-11-28 01:05:50,498 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:05:50,511 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:05:50,515 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:05:50,516 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:05:50,517 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:05:50,518 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-divine/condvar.i [2019-11-28 01:05:50,584 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/befc65d6a/917a8e30ae534c9686fc8a2cac9d2724/FLAGde8082581 [2019-11-28 01:05:51,111 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:05:51,112 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-divine/condvar.i [2019-11-28 01:05:51,135 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/befc65d6a/917a8e30ae534c9686fc8a2cac9d2724/FLAGde8082581 [2019-11-28 01:05:51,403 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/befc65d6a/917a8e30ae534c9686fc8a2cac9d2724 [2019-11-28 01:05:51,407 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:05:51,410 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:05:51,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:05:51,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:05:51,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:05:51,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:51" (1/1) ... [2019-11-28 01:05:51,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f57c6e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:51, skipping insertion in model container [2019-11-28 01:05:51,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:51" (1/1) ... [2019-11-28 01:05:51,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:05:51,486 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:05:51,656 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-11-28 01:05:51,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:05:51,951 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:05:51,974 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-11-28 01:05:52,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:05:52,096 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:05:52,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:52 WrapperNode [2019-11-28 01:05:52,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:05:52,098 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:05:52,098 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:05:52,098 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:05:52,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:52" (1/1) ... [2019-11-28 01:05:52,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:52" (1/1) ... [2019-11-28 01:05:52,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:05:52,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:05:52,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:05:52,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:05:52,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:52" (1/1) ... [2019-11-28 01:05:52,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:52" (1/1) ... [2019-11-28 01:05:52,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:52" (1/1) ... [2019-11-28 01:05:52,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:52" (1/1) ... [2019-11-28 01:05:52,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:52" (1/1) ... [2019-11-28 01:05:52,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:52" (1/1) ... [2019-11-28 01:05:52,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:52" (1/1) ... [2019-11-28 01:05:52,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:05:52,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:05:52,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:05:52,183 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:05:52,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:52" (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 01:05:52,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 01:05:52,244 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-11-28 01:05:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:05:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:05:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:05:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-11-28 01:05:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2019-11-28 01:05:52,245 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2019-11-28 01:05:52,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:05:52,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:05:52,247 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 01:05:52,626 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 01:05:52,632 INFO L168 Benchmark]: Toolchain (without parser) took 1221.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -120.7 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:52,633 INFO L168 Benchmark]: CDTParser took 0.28 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 01:05:52,634 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -145.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:52,634 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.30 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 01:05:52,635 INFO L168 Benchmark]: Boogie Preprocessor took 33.25 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 01:05:52,636 INFO L168 Benchmark]: RCFGBuilder took 446.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:52,639 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 685.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -145.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 446.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...