./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.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-2.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 25e3c208540a6e43f30bad444471941eba7b6402 ............................................................................................................................................................................................ 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-2.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 25e3c208540a6e43f30bad444471941eba7b6402 .............................................................................................................................................................................................. 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 01:05:04,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:05:04,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:05:04,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:05:04,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:05:04,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:05:04,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:05:04,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:05:04,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:05:04,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:05:04,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:05:04,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:05:04,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:05:04,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:05:04,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:05:04,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:05:04,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:05:04,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:05:04,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:05:04,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:05:04,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:05:04,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:05:04,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:05:04,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:05:04,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:05:04,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:05:04,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:05:04,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:05:04,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:05:04,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:05:04,591 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:05:04,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:05:04,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:05:04,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:05:04,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:05:04,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:05:04,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:05:04,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:05:04,597 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:05:04,598 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:05:04,599 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:05:04,600 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:05:04,615 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:05:04,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:05:04,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:05:04,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:05:04,617 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:05:04,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:05:04,617 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:05:04,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:05:04,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:05:04,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:05:04,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:05:04,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:05:04,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:05:04,619 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:05:04,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:05:04,619 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:05:04,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:05:04,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:05:04,620 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:05:04,620 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:05:04,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:05:04,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:05:04,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:05:04,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:05:04,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:05:04,622 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:05:04,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:05:04,622 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:05:04,622 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 -> 25e3c208540a6e43f30bad444471941eba7b6402 [2019-11-28 01:05:05,003 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:05:05,024 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:05:05,029 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:05:05,030 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:05:05,031 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:05:05,031 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2019-11-28 01:05:05,097 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4af65d73/9d126ecf3eba447fab8bb786ed8556ed/FLAGfdd653986 [2019-11-28 01:05:05,763 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:05:05,765 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2019-11-28 01:05:05,798 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4af65d73/9d126ecf3eba447fab8bb786ed8556ed/FLAGfdd653986 [2019-11-28 01:05:05,916 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4af65d73/9d126ecf3eba447fab8bb786ed8556ed [2019-11-28 01:05:05,919 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:05:05,920 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:05:05,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:05:05,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:05:05,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:05:05,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:05" (1/1) ... [2019-11-28 01:05:05,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1336e1bd 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 01:05:05,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:05" (1/1) ... [2019-11-28 01:05:05,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:05:06,031 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:05:06,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:05:06,959 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:05:07,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:05:07,599 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:05:07,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07 WrapperNode [2019-11-28 01:05:07,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:05:07,602 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:05:07,603 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:05:07,603 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:05:07,613 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 01:05:07,669 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 01:05:07,766 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:05:07,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:05:07,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:05:07,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:05:07,777 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 01:05:07,778 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 01:05:07,789 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 01:05:07,790 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 01:05:07,888 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 01:05:07,912 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 01:05:07,937 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 01:05:07,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:05:07,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:05:07,971 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:05:07,971 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:05:07,972 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 01:05:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2019-11-28 01:05:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2019-11-28 01:05:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:05:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:05:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:05:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 01:05:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-11-28 01:05:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 01:05:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:05:08,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:05:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:05:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 01:05:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:05:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 01:05:08,043 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 01:05:11,806 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:05:11,812 INFO L168 Benchmark]: Toolchain (without parser) took 5890.64 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 229.6 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 288.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:11,813 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:05:11,815 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1680.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 948.1 MB in the beginning and 977.8 MB in the end (delta: -29.7 MB). Peak memory consumption was 122.2 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:11,817 INFO L168 Benchmark]: Boogie Procedure Inliner took 163.66 ms. Allocated memory is still 1.2 GB. Free memory was 977.8 MB in the beginning and 964.6 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:11,818 INFO L168 Benchmark]: Boogie Preprocessor took 204.01 ms. Allocated memory is still 1.2 GB. Free memory was 964.6 MB in the beginning and 958.0 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:11,820 INFO L168 Benchmark]: RCFGBuilder took 3838.84 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 88.6 MB). Free memory was 958.0 MB in the beginning and 1.1 GB in the end (delta: -154.6 MB). Peak memory consumption was 157.4 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:11,831 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 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 1680.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 948.1 MB in the beginning and 977.8 MB in the end (delta: -29.7 MB). Peak memory consumption was 122.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 163.66 ms. Allocated memory is still 1.2 GB. Free memory was 977.8 MB in the beginning and 964.6 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 204.01 ms. Allocated memory is still 1.2 GB. Free memory was 964.6 MB in the beginning and 958.0 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3838.84 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 88.6 MB). Free memory was 958.0 MB in the beginning and 1.1 GB in the end (delta: -154.6 MB). Peak memory consumption was 157.4 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 01:05:13,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:05:13,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:05:13,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:05:13,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:05:13,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:05:13,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:05:13,860 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:05:13,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:05:13,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:05:13,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:05:13,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:05:13,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:05:13,867 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:05:13,868 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:05:13,869 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:05:13,870 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:05:13,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:05:13,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:05:13,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:05:13,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:05:13,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:05:13,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:05:13,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:05:13,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:05:13,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:05:13,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:05:13,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:05:13,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:05:13,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:05:13,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:05:13,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:05:13,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:05:13,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:05:13,889 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:05:13,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:05:13,890 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:05:13,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:05:13,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:05:13,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:05:13,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:05:13,896 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:05:13,920 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:05:13,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:05:13,922 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:05:13,922 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:05:13,922 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:05:13,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:05:13,923 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:05:13,923 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:05:13,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:05:13,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:05:13,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:05:13,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:05:13,925 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:05:13,925 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:05:13,926 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:05:13,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:05:13,926 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:05:13,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:05:13,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:05:13,927 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:05:13,927 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:05:13,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:05:13,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:05:13,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:05:13,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:05:13,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:05:13,929 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:05:13,929 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:05:13,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:05:13,929 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:05:13,930 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 -> 25e3c208540a6e43f30bad444471941eba7b6402 [2019-11-28 01:05:14,260 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:05:14,279 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:05:14,282 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:05:14,284 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:05:14,285 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:05:14,286 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2019-11-28 01:05:14,365 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25d47fa3a/dc8f89a7e42941fc8afe62c11100bb56/FLAGa542973bd [2019-11-28 01:05:15,000 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:05:15,001 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2019-11-28 01:05:15,022 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25d47fa3a/dc8f89a7e42941fc8afe62c11100bb56/FLAGa542973bd [2019-11-28 01:05:15,173 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25d47fa3a/dc8f89a7e42941fc8afe62c11100bb56 [2019-11-28 01:05:15,176 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:05:15,178 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:05:15,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:05:15,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:05:15,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:05:15,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:15" (1/1) ... [2019-11-28 01:05:15,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@172742f5 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 01:05:15,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:15" (1/1) ... [2019-11-28 01:05:15,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:05:15,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:05:16,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:05:16,317 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:05:16,465 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:05:17,009 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:05:17,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:17 WrapperNode [2019-11-28 01:05:17,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:05:17,012 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:05:17,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:05:17,012 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:05:17,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:17" (1/1) ... [2019-11-28 01:05:17,101 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:17" (1/1) ... [2019-11-28 01:05:17,209 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:05:17,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:05:17,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:05:17,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:05:17,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:17" (1/1) ... [2019-11-28 01:05:17,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:17" (1/1) ... [2019-11-28 01:05:17,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:17" (1/1) ... [2019-11-28 01:05:17,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:17" (1/1) ... [2019-11-28 01:05:17,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:17" (1/1) ... [2019-11-28 01:05:17,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:17" (1/1) ... [2019-11-28 01:05:17,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:17" (1/1) ... [2019-11-28 01:05:17,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:05:17,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:05:17,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:05:17,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:05:17,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:17" (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 01:05:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2019-11-28 01:05:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2019-11-28 01:05:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:05:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:05:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-11-28 01:05:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:05:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-11-28 01:05:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 01:05:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:05:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:05:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 01:05:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:05:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 01:05:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:05:17,502 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 01:05:22,237 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:05:22,243 INFO L168 Benchmark]: Toolchain (without parser) took 7064.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 200.3 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -147.8 MB). Peak memory consumption was 309.2 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:22,243 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:05:22,244 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1832.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 949.5 MB in the beginning and 926.9 MB in the end (delta: 22.6 MB). Peak memory consumption was 127.8 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:22,245 INFO L168 Benchmark]: Boogie Procedure Inliner took 197.79 ms. Allocated memory is still 1.1 GB. Free memory was 926.9 MB in the beginning and 919.9 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:22,246 INFO L168 Benchmark]: Boogie Preprocessor took 210.07 ms. Allocated memory is still 1.1 GB. Free memory was 919.9 MB in the beginning and 913.0 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:22,247 INFO L168 Benchmark]: RCFGBuilder took 4820.68 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 105.9 MB). Free memory was 913.0 MB in the beginning and 1.1 GB in the end (delta: -184.4 MB). Peak memory consumption was 178.3 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:22,251 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 1832.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 949.5 MB in the beginning and 926.9 MB in the end (delta: 22.6 MB). Peak memory consumption was 127.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 197.79 ms. Allocated memory is still 1.1 GB. Free memory was 926.9 MB in the beginning and 919.9 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 210.07 ms. Allocated memory is still 1.1 GB. Free memory was 919.9 MB in the beginning and 913.0 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4820.68 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 105.9 MB). Free memory was 913.0 MB in the beginning and 1.1 GB in the end (delta: -184.4 MB). Peak memory consumption was 178.3 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...