./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/singleton_with-uninit-problems.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/singleton_with-uninit-problems.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 e2b75cbff790060dd08cb20d1dd55c70c6b5fffe ............................................................................................................................................................................................. 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/singleton_with-uninit-problems.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 e2b75cbff790060dd08cb20d1dd55c70c6b5fffe ................................................................................................................................................................................................. 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 00:52:20,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:52:20,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:52:20,352 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:52:20,353 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:52:20,354 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:52:20,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:52:20,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:52:20,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:52:20,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:52:20,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:52:20,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:52:20,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:52:20,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:52:20,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:52:20,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:52:20,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:52:20,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:52:20,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:52:20,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:52:20,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:52:20,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:52:20,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:52:20,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:52:20,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:52:20,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:52:20,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:52:20,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:52:20,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:52:20,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:52:20,393 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:52:20,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:52:20,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:52:20,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:52:20,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:52:20,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:52:20,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:52:20,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:52:20,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:52:20,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:52:20,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:52:20,408 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:52:20,435 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:52:20,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:52:20,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:52:20,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:52:20,438 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:52:20,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:52:20,438 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:52:20,438 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:52:20,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:52:20,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:52:20,440 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:52:20,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:52:20,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:52:20,441 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:52:20,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:52:20,442 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:52:20,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:52:20,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:52:20,443 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:52:20,443 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:52:20,444 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:52:20,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:52:20,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:52:20,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:52:20,445 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:52:20,445 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:52:20,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:52:20,446 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:52:20,446 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 -> e2b75cbff790060dd08cb20d1dd55c70c6b5fffe [2019-11-28 00:52:20,753 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:52:20,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:52:20,769 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:52:20,770 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:52:20,771 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:52:20,771 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2019-11-28 00:52:20,829 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ab0098dc/8df5830ca06f49af88283be830c18c78/FLAG806811caf [2019-11-28 00:52:21,435 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:52:21,438 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2019-11-28 00:52:21,460 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ab0098dc/8df5830ca06f49af88283be830c18c78/FLAG806811caf [2019-11-28 00:52:21,667 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ab0098dc/8df5830ca06f49af88283be830c18c78 [2019-11-28 00:52:21,671 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:52:21,673 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:52:21,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:52:21,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:52:21,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:52:21,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:52:21" (1/1) ... [2019-11-28 00:52:21,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f4ecbee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:21, skipping insertion in model container [2019-11-28 00:52:21,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:52:21" (1/1) ... [2019-11-28 00:52:21,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:52:21,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:52:22,374 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:52:22,385 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:52:22,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:52:22,648 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:52:22,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:22 WrapperNode [2019-11-28 00:52:22,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:52:22,650 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:52:22,650 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:52:22,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:52:22,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:22" (1/1) ... [2019-11-28 00:52:22,683 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:22" (1/1) ... [2019-11-28 00:52:22,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:52:22,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:52:22,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:52:22,710 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:52:22,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:22" (1/1) ... [2019-11-28 00:52:22,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:22" (1/1) ... [2019-11-28 00:52:22,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:22" (1/1) ... [2019-11-28 00:52:22,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:22" (1/1) ... [2019-11-28 00:52:22,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:22" (1/1) ... [2019-11-28 00:52:22,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:22" (1/1) ... [2019-11-28 00:52:22,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:22" (1/1) ... [2019-11-28 00:52:22,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:52:22,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:52:22,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:52:22,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:52:22,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:22" (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 00:52:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:52:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:52:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 00:52:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2019-11-28 00:52:22,811 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2019-11-28 00:52:22,812 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-11-28 00:52:22,812 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-11-28 00:52:22,812 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2019-11-28 00:52:22,812 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2019-11-28 00:52:22,813 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2019-11-28 00:52:22,813 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2019-11-28 00:52:22,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:52:22,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 00:52:22,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:52:22,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:52:22,817 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 00:52:23,299 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 00:52:23,311 INFO L168 Benchmark]: Toolchain (without parser) took 1635.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.5 MB). Free memory was 946.9 MB in the beginning and 975.1 MB in the end (delta: -28.1 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:23,312 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:52:23,313 INFO L168 Benchmark]: CACSL2BoogieTranslator took 974.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.5 MB). Free memory was 946.9 MB in the beginning and 1.0 GB in the end (delta: -62.0 MB). Peak memory consumption was 35.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:23,315 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.39 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:52:23,316 INFO L168 Benchmark]: Boogie Preprocessor took 35.20 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:52:23,318 INFO L168 Benchmark]: RCFGBuilder took 561.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 975.1 MB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:23,322 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 974.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.5 MB). Free memory was 946.9 MB in the beginning and 1.0 GB in the end (delta: -62.0 MB). Peak memory consumption was 35.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.39 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.20 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 561.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 975.1 MB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:52:25,401 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:52:25,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:52:25,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:52:25,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:52:25,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:52:25,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:52:25,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:52:25,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:52:25,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:52:25,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:52:25,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:52:25,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:52:25,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:52:25,454 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:52:25,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:52:25,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:52:25,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:52:25,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:52:25,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:52:25,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:52:25,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:52:25,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:52:25,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:52:25,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:52:25,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:52:25,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:52:25,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:52:25,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:52:25,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:52:25,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:52:25,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:52:25,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:52:25,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:52:25,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:52:25,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:52:25,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:52:25,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:52:25,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:52:25,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:52:25,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:52:25,495 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:52:25,510 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:52:25,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:52:25,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:52:25,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:52:25,513 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:52:25,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:52:25,514 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:52:25,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:52:25,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:52:25,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:52:25,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:52:25,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:52:25,516 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:52:25,516 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:52:25,516 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:52:25,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:52:25,517 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:52:25,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:52:25,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:52:25,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:52:25,518 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:52:25,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:52:25,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:52:25,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:52:25,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:52:25,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:52:25,520 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:52:25,520 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:52:25,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:52:25,521 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:52:25,521 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 -> e2b75cbff790060dd08cb20d1dd55c70c6b5fffe [2019-11-28 00:52:25,882 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:52:25,901 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:52:25,904 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:52:25,906 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:52:25,907 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:52:25,908 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2019-11-28 00:52:25,968 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9fbd98f4/a50831c60319481399b78a001b5f168e/FLAG698b10602 [2019-11-28 00:52:26,585 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:52:26,588 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2019-11-28 00:52:26,618 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9fbd98f4/a50831c60319481399b78a001b5f168e/FLAG698b10602 [2019-11-28 00:52:26,903 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9fbd98f4/a50831c60319481399b78a001b5f168e [2019-11-28 00:52:26,907 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:52:26,910 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:52:26,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:52:26,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:52:26,916 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:52:26,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:52:26" (1/1) ... [2019-11-28 00:52:26,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41979e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:26, skipping insertion in model container [2019-11-28 00:52:26,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:52:26" (1/1) ... [2019-11-28 00:52:26,930 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:52:26,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:52:27,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:52:27,677 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:52:27,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:52:27,990 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:52:27,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:27 WrapperNode [2019-11-28 00:52:27,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:52:27,993 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:52:27,993 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:52:27,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:52:28,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:27" (1/1) ... [2019-11-28 00:52:28,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:27" (1/1) ... [2019-11-28 00:52:28,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:52:28,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:52:28,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:52:28,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:52:28,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:27" (1/1) ... [2019-11-28 00:52:28,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:27" (1/1) ... [2019-11-28 00:52:28,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:27" (1/1) ... [2019-11-28 00:52:28,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:27" (1/1) ... [2019-11-28 00:52:28,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:27" (1/1) ... [2019-11-28 00:52:28,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:27" (1/1) ... [2019-11-28 00:52:28,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:27" (1/1) ... [2019-11-28 00:52:28,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:52:28,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:52:28,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:52:28,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:52:28,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:27" (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 00:52:28,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-11-28 00:52:28,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 00:52:28,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:52:28,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-11-28 00:52:28,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:52:28,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 00:52:28,218 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2019-11-28 00:52:28,218 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2019-11-28 00:52:28,219 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-11-28 00:52:28,219 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-11-28 00:52:28,220 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2019-11-28 00:52:28,220 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2019-11-28 00:52:28,220 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2019-11-28 00:52:28,221 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2019-11-28 00:52:28,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 00:52:28,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:52:28,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:52:28,223 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 00:52:28,726 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 00:52:28,732 INFO L168 Benchmark]: Toolchain (without parser) took 1821.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 955.0 MB in the beginning and 980.3 MB in the end (delta: -25.3 MB). Peak memory consumption was 63.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:28,733 INFO L168 Benchmark]: CDTParser took 0.16 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 00:52:28,734 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1079.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 955.0 MB in the beginning and 1.0 GB in the end (delta: -64.8 MB). Peak memory consumption was 35.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:28,735 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:28,736 INFO L168 Benchmark]: Boogie Preprocessor took 38.76 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:52:28,736 INFO L168 Benchmark]: RCFGBuilder took 594.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 980.3 MB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:28,740 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1079.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 955.0 MB in the beginning and 1.0 GB in the end (delta: -64.8 MB). Peak memory consumption was 35.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 103.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.76 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 594.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 980.3 MB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...