./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.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/ldv-races/race-3_1-container_of-global.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 ae1e6a775d935586b2ffd079a5f7185fe7142e91 ......................................................................................................................................................................................... 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/ldv-races/race-3_1-container_of-global.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 ae1e6a775d935586b2ffd079a5f7185fe7142e91 ........................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 01:04:51,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:04:51,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:04:51,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:04:51,959 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:04:51,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:04:51,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:04:51,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:04:51,979 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:04:51,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:04:51,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:04:51,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:04:51,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:04:51,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:04:51,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:04:51,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:04:51,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:04:51,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:04:51,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:04:52,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:04:52,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:04:52,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:04:52,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:04:52,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:04:52,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:04:52,022 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:04:52,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:04:52,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:04:52,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:04:52,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:04:52,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:04:52,025 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:04:52,026 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:04:52,027 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:04:52,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:04:52,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:04:52,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:04:52,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:04:52,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:04:52,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:04:52,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:04:52,031 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:04:52,046 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:04:52,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:04:52,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:04:52,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:04:52,048 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:04:52,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:04:52,049 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:04:52,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:04:52,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:04:52,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:04:52,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:04:52,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:04:52,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:04:52,050 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:04:52,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:04:52,051 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:04:52,051 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:04:52,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:04:52,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:04:52,051 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:04:52,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:04:52,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:04:52,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:04:52,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:04:52,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:04:52,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:04:52,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:04:52,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:04:52,053 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 -> ae1e6a775d935586b2ffd079a5f7185fe7142e91 [2019-11-28 01:04:52,344 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:04:52,360 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:04:52,364 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:04:52,366 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:04:52,366 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:04:52,368 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i [2019-11-28 01:04:52,443 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dd2e71cf/9744bb9cd6014cc6ad31f0e6962ba0e3/FLAG615be1439 [2019-11-28 01:04:53,149 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:04:53,150 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i [2019-11-28 01:04:53,181 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dd2e71cf/9744bb9cd6014cc6ad31f0e6962ba0e3/FLAG615be1439 [2019-11-28 01:04:53,292 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dd2e71cf/9744bb9cd6014cc6ad31f0e6962ba0e3 [2019-11-28 01:04:53,295 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:04:53,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:04:53,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:04:53,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:04:53,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:04:53,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:04:53" (1/1) ... [2019-11-28 01:04:53,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76344466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:53, skipping insertion in model container [2019-11-28 01:04:53,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:04:53" (1/1) ... [2019-11-28 01:04:53,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:04:53,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:04:54,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:04:54,327 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:04:54,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:04:54,846 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:04:54,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:54 WrapperNode [2019-11-28 01:04:54,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:04:54,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:04:54,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:04:54,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:04:54,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:54" (1/1) ... [2019-11-28 01:04:54,922 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:54" (1/1) ... [2019-11-28 01:04:54,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:04:54,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:04:54,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:04:54,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:04:54,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:54" (1/1) ... [2019-11-28 01:04:54,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:54" (1/1) ... [2019-11-28 01:04:54,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:54" (1/1) ... [2019-11-28 01:04:54,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:54" (1/1) ... [2019-11-28 01:04:54,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:54" (1/1) ... [2019-11-28 01:04:54,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:54" (1/1) ... [2019-11-28 01:04:55,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:54" (1/1) ... [2019-11-28 01:04:55,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:04:55,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:04:55,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:04:55,022 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:04:55,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:04:55,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:04:55,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 01:04:55,094 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-11-28 01:04:55,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 01:04:55,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:04:55,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:04:55,095 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2019-11-28 01:04:55,095 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2019-11-28 01:04:55,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:04:55,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:04:55,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 01:04:55,098 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 01:04:55,878 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1632) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:04:55,885 INFO L168 Benchmark]: Toolchain (without parser) took 2586.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 951.0 MB in the beginning and 947.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 152.3 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:55,886 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:04:55,887 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1549.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -53.6 MB). Peak memory consumption was 105.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:55,888 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 997.9 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:55,888 INFO L168 Benchmark]: Boogie Preprocessor took 58.20 ms. Allocated memory is still 1.2 GB. Free memory is still 997.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:04:55,889 INFO L168 Benchmark]: RCFGBuilder took 860.37 ms. Allocated memory is still 1.2 GB. Free memory was 997.9 MB in the beginning and 947.0 MB in the end (delta: 50.9 MB). Peak memory consumption was 50.9 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:55,893 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 1549.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -53.6 MB). Peak memory consumption was 105.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 114.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 997.9 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.20 ms. Allocated memory is still 1.2 GB. Free memory is still 997.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 860.37 ms. Allocated memory is still 1.2 GB. Free memory was 997.9 MB in the beginning and 947.0 MB in the end (delta: 50.9 MB). Peak memory consumption was 50.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 01:04:57,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:04:57,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:04:57,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:04:57,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:04:57,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:04:57,886 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:04:57,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:04:57,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:04:57,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:04:57,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:04:57,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:04:57,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:04:57,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:04:57,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:04:57,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:04:57,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:04:57,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:04:57,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:04:57,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:04:57,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:04:57,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:04:57,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:04:57,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:04:57,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:04:57,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:04:57,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:04:57,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:04:57,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:04:57,923 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:04:57,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:04:57,925 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:04:57,926 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:04:57,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:04:57,930 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:04:57,930 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:04:57,931 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:04:57,931 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:04:57,931 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:04:57,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:04:57,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:04:57,937 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:04:57,961 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:04:57,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:04:57,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:04:57,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:04:57,963 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:04:57,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:04:57,964 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:04:57,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:04:57,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:04:57,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:04:57,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:04:57,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:04:57,966 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:04:57,966 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:04:57,967 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:04:57,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:04:57,967 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:04:57,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:04:57,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:04:57,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:04:57,968 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:04:57,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:04:57,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:04:57,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:04:57,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:04:57,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:04:57,969 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:04:57,970 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:04:57,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:04:57,970 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:04:57,970 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 -> ae1e6a775d935586b2ffd079a5f7185fe7142e91 [2019-11-28 01:04:58,286 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:04:58,299 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:04:58,303 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:04:58,304 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:04:58,305 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:04:58,306 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i [2019-11-28 01:04:58,368 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e0c09464/99c1112d749d4fb59318830c9b09f14e/FLAGf176fa45a [2019-11-28 01:04:58,987 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:04:58,987 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i [2019-11-28 01:04:59,018 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e0c09464/99c1112d749d4fb59318830c9b09f14e/FLAGf176fa45a [2019-11-28 01:04:59,237 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e0c09464/99c1112d749d4fb59318830c9b09f14e [2019-11-28 01:04:59,241 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:04:59,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:04:59,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:04:59,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:04:59,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:04:59,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:04:59" (1/1) ... [2019-11-28 01:04:59,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5421bc39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:59, skipping insertion in model container [2019-11-28 01:04:59,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:04:59" (1/1) ... [2019-11-28 01:04:59,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:04:59,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:05:00,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:05:00,188 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:05:00,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:05:00,585 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:05:00,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:00 WrapperNode [2019-11-28 01:05:00,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:05:00,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:05:00,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:05:00,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:05:00,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:00" (1/1) ... [2019-11-28 01:05:00,636 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:00" (1/1) ... [2019-11-28 01:05:00,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:05:00,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:05:00,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:05:00,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:05:00,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:00" (1/1) ... [2019-11-28 01:05:00,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:00" (1/1) ... [2019-11-28 01:05:00,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:00" (1/1) ... [2019-11-28 01:05:00,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:00" (1/1) ... [2019-11-28 01:05:00,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:00" (1/1) ... [2019-11-28 01:05:00,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:00" (1/1) ... [2019-11-28 01:05:00,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:00" (1/1) ... [2019-11-28 01:05:00,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:05:00,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:05:00,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:05:00,786 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:05:00,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:00" (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 01:05:00,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:05:00,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-11-28 01:05:00,873 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-11-28 01:05:00,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 01:05:00,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:05:00,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:05:00,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 01:05:00,874 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2019-11-28 01:05:00,874 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2019-11-28 01:05:00,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:05:00,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:05:00,876 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 01:05:01,780 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:05:01,787 INFO L168 Benchmark]: Toolchain (without parser) took 2543.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 956.2 MB in the beginning and 921.0 MB in the end (delta: 35.3 MB). Peak memory consumption was 156.4 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:01,787 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:05:01,789 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1338.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 956.2 MB in the beginning and 975.2 MB in the end (delta: -19.0 MB). Peak memory consumption was 112.9 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:01,789 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.72 ms. Allocated memory is still 1.2 GB. Free memory is still 975.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:05:01,790 INFO L168 Benchmark]: Boogie Preprocessor took 93.15 ms. Allocated memory is still 1.2 GB. Free memory was 975.2 MB in the beginning and 968.3 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:01,791 INFO L168 Benchmark]: RCFGBuilder took 998.66 ms. Allocated memory is still 1.2 GB. Free memory was 968.3 MB in the beginning and 921.0 MB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:01,795 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 1338.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 956.2 MB in the beginning and 975.2 MB in the end (delta: -19.0 MB). Peak memory consumption was 112.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 104.72 ms. Allocated memory is still 1.2 GB. Free memory is still 975.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 93.15 ms. Allocated memory is still 1.2 GB. Free memory was 975.2 MB in the beginning and 968.3 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 998.66 ms. Allocated memory is still 1.2 GB. Free memory was 968.3 MB in the beginning and 921.0 MB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 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...