./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.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-complex/workstealqueue_mutex-1.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 18fe7928dbf20c0a8c09dc4e49404c717863829a ............................................................................................................................................................................................ 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-complex/workstealqueue_mutex-1.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 18fe7928dbf20c0a8c09dc4e49404c717863829a .............................................................................................................................................................................................. 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 01:05:04,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:05:04,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:05:04,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:05:04,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:05:04,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:05:04,144 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:05:04,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:05:04,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:05:04,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:05:04,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:05:04,155 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:05:04,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:05:04,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:05:04,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:05:04,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:05:04,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:05:04,161 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:05:04,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:05:04,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:05:04,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:05:04,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:05:04,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:05:04,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:05:04,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:05:04,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:05:04,173 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:05:04,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:05:04,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:05:04,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:05:04,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:05:04,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:05:04,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:05:04,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:05:04,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:05:04,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:05:04,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:05:04,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:05:04,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:05:04,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:05:04,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:05:04,186 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:05:04,216 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:05:04,217 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:05:04,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:05:04,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:05:04,218 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:05:04,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:05:04,219 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:05:04,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:05:04,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:05:04,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:05:04,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:05:04,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:05:04,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:05:04,221 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:05:04,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:05:04,221 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:05:04,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:05:04,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:05:04,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:05:04,222 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:05:04,223 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:05:04,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:05:04,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:05:04,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:05:04,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:05:04,224 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:05:04,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:05:04,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:05:04,224 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 -> 18fe7928dbf20c0a8c09dc4e49404c717863829a [2019-11-28 01:05:04,511 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:05:04,525 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:05:04,528 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:05:04,530 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:05:04,531 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:05:04,531 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i [2019-11-28 01:05:04,605 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4432d0afa/b4acc297a6ab40da85f367b0bb3cd694/FLAG06a1123a6 [2019-11-28 01:05:05,361 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:05:05,361 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i [2019-11-28 01:05:05,399 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4432d0afa/b4acc297a6ab40da85f367b0bb3cd694/FLAG06a1123a6 [2019-11-28 01:05:05,462 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4432d0afa/b4acc297a6ab40da85f367b0bb3cd694 [2019-11-28 01:05:05,466 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:05:05,468 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:05:05,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:05:05,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:05:05,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:05:05,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:05" (1/1) ... [2019-11-28 01:05:05,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a48a79f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:05, skipping insertion in model container [2019-11-28 01:05:05,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:05" (1/1) ... [2019-11-28 01:05:05,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:05:05,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:05:06,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:05:06,462 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:05:06,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:05:07,132 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:05:07,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07 WrapperNode [2019-11-28 01:05:07,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:05:07,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:05:07,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:05:07,134 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:05:07,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07" (1/1) ... [2019-11-28 01:05:07,179 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07" (1/1) ... [2019-11-28 01:05:07,282 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:05:07,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:05:07,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:05:07,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:05:07,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07" (1/1) ... [2019-11-28 01:05:07,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07" (1/1) ... [2019-11-28 01:05:07,336 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07" (1/1) ... [2019-11-28 01:05:07,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07" (1/1) ... [2019-11-28 01:05:07,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07" (1/1) ... [2019-11-28 01:05:07,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07" (1/1) ... [2019-11-28 01:05:07,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07" (1/1) ... [2019-11-28 01:05:07,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:05:07,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:05:07,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:05:07,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:05:07,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07" (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 01:05:07,575 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2019-11-28 01:05:07,575 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2019-11-28 01:05:07,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:05:07,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:05:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:05:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 01:05:07,578 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-11-28 01:05:07,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 01:05:07,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:05:07,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:05:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:05:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 01:05:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:05:07,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 01:05:07,585 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 01:05:11,541 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:05:11,547 INFO L168 Benchmark]: Toolchain (without parser) took 6077.66 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 232.3 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -168.3 MB). Peak memory consumption was 287.1 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:11,549 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:05:11,551 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1662.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 946.9 MB in the beginning and 999.7 MB in the end (delta: -52.7 MB). Peak memory consumption was 109.1 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:11,553 INFO L168 Benchmark]: Boogie Procedure Inliner took 149.88 ms. Allocated memory is still 1.2 GB. Free memory was 999.7 MB in the beginning and 986.5 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:11,554 INFO L168 Benchmark]: Boogie Preprocessor took 216.63 ms. Allocated memory is still 1.2 GB. Free memory was 986.5 MB in the beginning and 973.3 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:11,556 INFO L168 Benchmark]: RCFGBuilder took 4043.68 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 81.3 MB). Free memory was 973.3 MB in the beginning and 1.1 GB in the end (delta: -142.0 MB). Peak memory consumption was 162.4 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:11,567 INFO L335 ainManager$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 1662.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 946.9 MB in the beginning and 999.7 MB in the end (delta: -52.7 MB). Peak memory consumption was 109.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 149.88 ms. Allocated memory is still 1.2 GB. Free memory was 999.7 MB in the beginning and 986.5 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 216.63 ms. Allocated memory is still 1.2 GB. Free memory was 986.5 MB in the beginning and 973.3 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4043.68 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 81.3 MB). Free memory was 973.3 MB in the beginning and 1.1 GB in the end (delta: -142.0 MB). Peak memory consumption was 162.4 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 01:05:13,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:05:13,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:05:13,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:05:13,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:05:13,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:05:13,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:05:13,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:05:13,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:05:13,621 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:05:13,623 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:05:13,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:05:13,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:05:13,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:05:13,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:05:13,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:05:13,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:05:13,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:05:13,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:05:13,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:05:13,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:05:13,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:05:13,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:05:13,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:05:13,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:05:13,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:05:13,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:05:13,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:05:13,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:05:13,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:05:13,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:05:13,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:05:13,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:05:13,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:05:13,664 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:05:13,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:05:13,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:05:13,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:05:13,666 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:05:13,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:05:13,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:05:13,669 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:05:13,704 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:05:13,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:05:13,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:05:13,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:05:13,706 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:05:13,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:05:13,706 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:05:13,706 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:05:13,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:05:13,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:05:13,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:05:13,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:05:13,707 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:05:13,708 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:05:13,708 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:05:13,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:05:13,708 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:05:13,709 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:05:13,709 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:05:13,709 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:05:13,709 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:05:13,710 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:05:13,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:05:13,710 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:05:13,710 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:05:13,710 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:05:13,711 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:05:13,714 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:05:13,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:05:13,714 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:05:13,714 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 -> 18fe7928dbf20c0a8c09dc4e49404c717863829a [2019-11-28 01:05:14,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:05:14,096 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:05:14,099 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:05:14,102 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:05:14,103 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:05:14,104 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i [2019-11-28 01:05:14,177 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ff8e4b89/d7b6ddf44da14bf89a6c6db9e01be709/FLAGdb25515c9 [2019-11-28 01:05:14,841 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:05:14,842 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-1.i [2019-11-28 01:05:14,872 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ff8e4b89/d7b6ddf44da14bf89a6c6db9e01be709/FLAGdb25515c9 [2019-11-28 01:05:15,004 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ff8e4b89/d7b6ddf44da14bf89a6c6db9e01be709 [2019-11-28 01:05:15,008 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:05:15,010 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:05:15,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:05:15,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:05:15,018 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:05:15,019 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:15" (1/1) ... [2019-11-28 01:05:15,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fe140f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:15, skipping insertion in model container [2019-11-28 01:05:15,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:15" (1/1) ... [2019-11-28 01:05:15,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:05:15,110 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:05:16,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:05:16,018 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:05:16,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:05:16,705 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:05:16,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:16 WrapperNode [2019-11-28 01:05:16,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:05:16,706 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:05:16,707 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:05:16,707 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:05:16,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:16" (1/1) ... [2019-11-28 01:05:16,787 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:16" (1/1) ... [2019-11-28 01:05:16,890 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:05:16,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:05:16,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:05:16,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:05:16,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:16" (1/1) ... [2019-11-28 01:05:16,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:16" (1/1) ... [2019-11-28 01:05:16,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:16" (1/1) ... [2019-11-28 01:05:16,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:16" (1/1) ... [2019-11-28 01:05:17,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:16" (1/1) ... [2019-11-28 01:05:17,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:16" (1/1) ... [2019-11-28 01:05:17,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:16" (1/1) ... [2019-11-28 01:05:17,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:05:17,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:05:17,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:05:17,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:05:17,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:16" (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 01:05:17,139 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2019-11-28 01:05:17,140 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2019-11-28 01:05:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:05:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:05:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-11-28 01:05:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:05:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-11-28 01:05:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 01:05:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:05:17,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:05:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 01:05:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:05:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 01:05:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:05:17,144 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 01:05:21,797 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:05:21,803 INFO L168 Benchmark]: Toolchain (without parser) took 6792.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.8 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -127.5 MB). Peak memory consumption was 315.5 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:21,803 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:05:21,805 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1692.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.0 MB). Free memory was 954.9 MB in the beginning and 925.0 MB in the end (delta: 29.9 MB). Peak memory consumption was 126.8 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:21,805 INFO L168 Benchmark]: Boogie Procedure Inliner took 184.42 ms. Allocated memory is still 1.1 GB. Free memory was 918.0 MB in the beginning and 910.9 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:21,806 INFO L168 Benchmark]: Boogie Preprocessor took 181.58 ms. Allocated memory is still 1.1 GB. Free memory was 910.9 MB in the beginning and 903.9 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:21,807 INFO L168 Benchmark]: RCFGBuilder took 4727.52 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 103.8 MB). Free memory was 903.9 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 178.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:21,811 INFO L335 ainManager$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 1692.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.0 MB). Free memory was 954.9 MB in the beginning and 925.0 MB in the end (delta: 29.9 MB). Peak memory consumption was 126.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 184.42 ms. Allocated memory is still 1.1 GB. Free memory was 918.0 MB in the beginning and 910.9 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 181.58 ms. Allocated memory is still 1.1 GB. Free memory was 910.9 MB in the beginning and 903.9 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4727.52 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 103.8 MB). Free memory was 903.9 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 178.6 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...