./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-atomic/scull.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-atomic/scull.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 46003e1c829a0486733130edc7b5d73338ad4392 ................................................................................................................................................................................................ 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-atomic/scull.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 46003e1c829a0486733130edc7b5d73338ad4392 ................................................................................................................................................................................................. 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 00:52:37,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:52:37,421 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:52:37,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:52:37,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:52:37,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:52:37,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:52:37,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:52:37,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:52:37,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:52:37,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:52:37,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:52:37,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:52:37,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:52:37,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:52:37,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:52:37,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:52:37,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:52:37,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:52:37,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:52:37,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:52:37,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:52:37,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:52:37,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:52:37,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:52:37,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:52:37,468 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:52:37,469 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:52:37,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:52:37,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:52:37,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:52:37,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:52:37,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:52:37,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:52:37,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:52:37,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:52:37,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:52:37,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:52:37,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:52:37,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:52:37,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:52:37,488 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:52:37,516 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:52:37,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:52:37,518 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:52:37,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:52:37,518 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:52:37,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:52:37,519 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:52:37,519 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:52:37,519 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:52:37,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:52:37,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:52:37,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:52:37,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:52:37,521 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:52:37,521 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:52:37,522 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:52:37,522 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:52:37,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:52:37,522 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:52:37,522 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:52:37,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:52:37,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:52:37,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:52:37,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:52:37,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:52:37,524 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:52:37,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:52:37,524 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:52:37,524 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 -> 46003e1c829a0486733130edc7b5d73338ad4392 [2019-11-28 00:52:37,834 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:52:37,848 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:52:37,851 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:52:37,853 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:52:37,854 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:52:37,854 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/scull.i [2019-11-28 00:52:37,922 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f309e1472/feede843330f484c9efa1d6c1b2f0996/FLAGcb6d9da4e [2019-11-28 00:52:38,427 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:52:38,429 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/scull.i [2019-11-28 00:52:38,446 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f309e1472/feede843330f484c9efa1d6c1b2f0996/FLAGcb6d9da4e [2019-11-28 00:52:38,762 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f309e1472/feede843330f484c9efa1d6c1b2f0996 [2019-11-28 00:52:38,765 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:52:38,767 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:52:38,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:52:38,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:52:38,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:52:38,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:52:38" (1/1) ... [2019-11-28 00:52:38,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@441546a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:38, skipping insertion in model container [2019-11-28 00:52:38,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:52:38" (1/1) ... [2019-11-28 00:52:38,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:52:38,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:52:39,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:52:39,444 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:52:39,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:52:39,597 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:52:39,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:39 WrapperNode [2019-11-28 00:52:39,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:52:39,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:52:39,599 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:52:39,600 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:52:39,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:39" (1/1) ... [2019-11-28 00:52:39,630 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:39" (1/1) ... [2019-11-28 00:52:39,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:52:39,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:52:39,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:52:39,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:52:39,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:39" (1/1) ... [2019-11-28 00:52:39,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:39" (1/1) ... [2019-11-28 00:52:39,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:39" (1/1) ... [2019-11-28 00:52:39,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:39" (1/1) ... [2019-11-28 00:52:39,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:39" (1/1) ... [2019-11-28 00:52:39,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:39" (1/1) ... [2019-11-28 00:52:39,706 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:39" (1/1) ... [2019-11-28 00:52:39,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:52:39,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:52:39,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:52:39,712 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:52:39,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:39" (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 00:52:39,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 00:52:39,794 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-11-28 00:52:39,794 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-11-28 00:52:39,794 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2019-11-28 00:52:39,795 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2019-11-28 00:52:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:52:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-11-28 00:52:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure loader [2019-11-28 00:52:39,797 INFO L138 BoogieDeclarations]: Found implementation of procedure loader [2019-11-28 00:52:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:52:39,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:52:39,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:52:39,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:52:39,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:52:39,801 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 00:52:40,136 INFO L712 $ProcedureCfgBuilder]: dead code at ProgramPoint L876: scull_init_module_#res := scull_init_module_~result~0; [2019-11-28 00:52:40,137 INFO L712 $ProcedureCfgBuilder]: dead code at ProgramPoint L879: assume -2147483648 <= scull_cleanup_module_#t~ret27 && scull_cleanup_module_#t~ret27 <= 2147483647; [2019-11-28 00:52:40,137 INFO L712 $ProcedureCfgBuilder]: dead code at ProgramPoint L879-1: havoc scull_cleanup_module_#t~ret27; [2019-11-28 00:52:40,137 INFO L712 $ProcedureCfgBuilder]: dead code at ProgramPoint scull_trim_returnLabel: scull_cleanup_module_#t~ret27 := scull_trim_#res; [2019-11-28 00:52:40,621 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 00:52:40,627 INFO L168 Benchmark]: Toolchain (without parser) took 1858.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 956.3 MB in the beginning and 1.0 GB in the end (delta: -52.4 MB). Peak memory consumption was 67.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:40,628 INFO L168 Benchmark]: CDTParser took 0.27 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 00:52:40,629 INFO L168 Benchmark]: CACSL2BoogieTranslator took 830.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -118.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:40,630 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.08 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:52:40,630 INFO L168 Benchmark]: Boogie Preprocessor took 38.17 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:52:40,631 INFO L168 Benchmark]: RCFGBuilder took 912.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.3 MB). Peak memory consumption was 66.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:40,635 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 830.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -118.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 74.08 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.17 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 912.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.3 MB). Peak memory consumption was 66.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:52:42,679 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:52:42,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:52:42,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:52:42,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:52:42,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:52:42,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:52:42,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:52:42,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:52:42,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:52:42,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:52:42,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:52:42,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:52:42,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:52:42,727 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:52:42,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:52:42,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:52:42,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:52:42,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:52:42,740 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:52:42,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:52:42,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:52:42,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:52:42,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:52:42,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:52:42,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:52:42,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:52:42,756 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:52:42,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:52:42,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:52:42,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:52:42,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:52:42,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:52:42,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:52:42,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:52:42,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:52:42,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:52:42,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:52:42,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:52:42,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:52:42,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:52:42,768 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:52:42,792 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:52:42,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:52:42,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:52:42,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:52:42,794 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:52:42,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:52:42,795 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:52:42,796 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:52:42,796 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:52:42,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:52:42,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:52:42,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:52:42,798 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:52:42,798 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:52:42,799 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:52:42,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:52:42,799 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:52:42,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:52:42,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:52:42,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:52:42,800 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:52:42,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:52:42,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:52:42,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:52:42,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:52:42,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:52:42,802 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:52:42,802 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:52:42,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:52:42,803 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:52:42,803 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 -> 46003e1c829a0486733130edc7b5d73338ad4392 [2019-11-28 00:52:43,097 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:52:43,115 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:52:43,119 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:52:43,120 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:52:43,121 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:52:43,122 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/scull.i [2019-11-28 00:52:43,201 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17fedd805/88ff1f437a5c444a8e2fce9693d66e2e/FLAGc8a1f1a51 [2019-11-28 00:52:43,800 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:52:43,801 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/scull.i [2019-11-28 00:52:43,824 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17fedd805/88ff1f437a5c444a8e2fce9693d66e2e/FLAGc8a1f1a51 [2019-11-28 00:52:43,993 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17fedd805/88ff1f437a5c444a8e2fce9693d66e2e [2019-11-28 00:52:43,996 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:52:43,998 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:52:43,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:52:43,999 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:52:44,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:52:44,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:52:43" (1/1) ... [2019-11-28 00:52:44,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672988f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:44, skipping insertion in model container [2019-11-28 00:52:44,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:52:43" (1/1) ... [2019-11-28 00:52:44,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:52:44,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:52:44,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:52:44,556 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:52:44,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:52:44,721 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:52:44,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:44 WrapperNode [2019-11-28 00:52:44,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:52:44,723 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:52:44,723 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:52:44,723 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:52:44,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:44" (1/1) ... [2019-11-28 00:52:44,756 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:44" (1/1) ... [2019-11-28 00:52:44,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:52:44,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:52:44,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:52:44,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:52:44,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:44" (1/1) ... [2019-11-28 00:52:44,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:44" (1/1) ... [2019-11-28 00:52:44,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:44" (1/1) ... [2019-11-28 00:52:44,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:44" (1/1) ... [2019-11-28 00:52:44,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:44" (1/1) ... [2019-11-28 00:52:44,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:44" (1/1) ... [2019-11-28 00:52:44,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:44" (1/1) ... [2019-11-28 00:52:44,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:52:44,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:52:44,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:52:44,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:52:44,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:44" (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 00:52:44,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 00:52:44,927 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-11-28 00:52:44,927 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-11-28 00:52:44,927 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2019-11-28 00:52:44,927 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2019-11-28 00:52:44,927 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-11-28 00:52:44,927 INFO L130 BoogieDeclarations]: Found specification of procedure loader [2019-11-28 00:52:44,927 INFO L138 BoogieDeclarations]: Found implementation of procedure loader [2019-11-28 00:52:44,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:52:44,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:52:44,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 00:52:44,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-11-28 00:52:44,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:52:44,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:52:44,931 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 00:52:45,242 INFO L712 $ProcedureCfgBuilder]: dead code at ProgramPoint L876: scull_init_module_#res := scull_init_module_~result~0; [2019-11-28 00:52:45,243 INFO L712 $ProcedureCfgBuilder]: dead code at ProgramPoint L879: havoc scull_cleanup_module_#t~ret27; [2019-11-28 00:52:45,243 INFO L712 $ProcedureCfgBuilder]: dead code at ProgramPoint scull_trim_returnLabel: scull_cleanup_module_#t~ret27 := scull_trim_#res; [2019-11-28 00:52:45,921 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 00:52:45,930 INFO L168 Benchmark]: Toolchain (without parser) took 1930.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 956.3 MB in the beginning and 1.0 GB in the end (delta: -80.5 MB). Peak memory consumption was 66.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:45,931 INFO L168 Benchmark]: CDTParser took 0.27 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 00:52:45,932 INFO L168 Benchmark]: CACSL2BoogieTranslator took 723.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -145.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:45,933 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:52:45,935 INFO L168 Benchmark]: Boogie Preprocessor took 41.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:45,936 INFO L168 Benchmark]: RCFGBuilder took 1089.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.6 MB). Peak memory consumption was 58.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:45,942 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 723.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -145.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1089.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.6 MB). Peak memory consumption was 58.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...