./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix014_tso.opt.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-wmm/mix014_tso.opt.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 25ec3251df4364e7ade827472089fe1d0ff6f3f9 ............................................................................................................................................................................................. 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-wmm/mix014_tso.opt.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 25ec3251df4364e7ade827472089fe1d0ff6f3f9 ............................................................................................................................................................................................... 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 00:54:49,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:54:49,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:54:49,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:54:49,720 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:54:49,722 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:54:49,724 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:54:49,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:54:49,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:54:49,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:54:49,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:54:49,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:54:49,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:54:49,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:54:49,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:54:49,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:54:49,742 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:54:49,743 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:54:49,745 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:54:49,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:54:49,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:54:49,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:54:49,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:54:49,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:54:49,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:54:49,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:54:49,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:54:49,756 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:54:49,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:54:49,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:54:49,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:54:49,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:54:49,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:54:49,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:54:49,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:54:49,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:54:49,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:54:49,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:54:49,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:54:49,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:54:49,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:54:49,766 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:54:49,780 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:54:49,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:54:49,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:54:49,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:54:49,782 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:54:49,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:54:49,783 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:54:49,783 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:54:49,784 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:54:49,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:54:49,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:54:49,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:54:49,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:54:49,785 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:54:49,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:54:49,785 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:54:49,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:54:49,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:54:49,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:54:49,787 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:54:49,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:54:49,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:54:49,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:54:49,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:54:49,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:54:49,788 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:54:49,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:54:49,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:54:49,789 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 -> 25ec3251df4364e7ade827472089fe1d0ff6f3f9 [2019-11-28 00:54:50,116 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:54:50,130 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:54:50,134 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:54:50,136 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:54:50,136 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:54:50,138 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix014_tso.opt.i [2019-11-28 00:54:50,212 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5d08ace7/e8ab9644e7e941c0bcbd66efa7513e2c/FLAGb9a406e7a [2019-11-28 00:54:50,806 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:54:50,807 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix014_tso.opt.i [2019-11-28 00:54:50,824 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5d08ace7/e8ab9644e7e941c0bcbd66efa7513e2c/FLAGb9a406e7a [2019-11-28 00:54:51,039 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5d08ace7/e8ab9644e7e941c0bcbd66efa7513e2c [2019-11-28 00:54:51,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:54:51,044 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:54:51,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:54:51,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:54:51,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:54:51,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:54:51" (1/1) ... [2019-11-28 00:54:51,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f0c3f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:51, skipping insertion in model container [2019-11-28 00:54:51,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:54:51" (1/1) ... [2019-11-28 00:54:51,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:54:51,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:54:51,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:54:51,596 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:54:51,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:54:51,802 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:54:51,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:51 WrapperNode [2019-11-28 00:54:51,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:54:51,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:54:51,804 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:54:51,804 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:54:51,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:51" (1/1) ... [2019-11-28 00:54:51,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:51" (1/1) ... [2019-11-28 00:54:51,875 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:54:51,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:54:51,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:54:51,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:54:51,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:51" (1/1) ... [2019-11-28 00:54:51,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:51" (1/1) ... [2019-11-28 00:54:51,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:51" (1/1) ... [2019-11-28 00:54:51,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:51" (1/1) ... [2019-11-28 00:54:51,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:51" (1/1) ... [2019-11-28 00:54:51,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:51" (1/1) ... [2019-11-28 00:54:51,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:51" (1/1) ... [2019-11-28 00:54:51,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:54:51,927 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:54:51,927 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:54:51,927 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:54:51,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:51" (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 00:54:51,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:54:51,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:54:51,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:54:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:54:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:54:51,997 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:54:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:54:51,997 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:54:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 00:54:51,997 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 00:54:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-28 00:54:51,998 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-28 00:54:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:54:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:54:51,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:54:52,000 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 00:54:52,844 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 00:54:52,850 INFO L168 Benchmark]: Toolchain (without parser) took 1805.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 956.3 MB in the beginning and 1.0 GB in the end (delta: -76.1 MB). Peak memory consumption was 65.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:54:52,851 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:54:52,852 INFO L168 Benchmark]: CACSL2BoogieTranslator took 757.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -140.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:54:52,853 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:54:52,853 INFO L168 Benchmark]: Boogie Preprocessor took 50.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:54:52,854 INFO L168 Benchmark]: RCFGBuilder took 920.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:54:52,858 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 757.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -140.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.80 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 50.70 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. * RCFGBuilder took 920.58 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: 64.5 MB). Peak memory consumption was 64.5 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 00:54:54,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:54:54,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:54:54,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:54:54,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:54:54,798 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:54:54,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:54:54,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:54:54,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:54:54,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:54:54,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:54:54,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:54:54,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:54:54,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:54:54,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:54:54,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:54:54,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:54:54,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:54:54,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:54:54,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:54:54,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:54:54,846 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:54:54,847 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:54:54,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:54:54,851 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:54:54,851 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:54:54,851 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:54:54,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:54:54,853 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:54:54,854 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:54:54,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:54:54,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:54:54,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:54:54,858 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:54:54,859 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:54:54,859 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:54:54,860 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:54:54,860 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:54:54,860 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:54:54,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:54:54,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:54:54,863 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:54:54,880 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:54:54,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:54:54,882 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:54:54,882 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:54:54,883 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:54:54,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:54:54,883 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:54:54,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:54:54,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:54:54,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:54:54,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:54:54,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:54:54,885 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:54:54,885 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:54:54,885 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:54:54,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:54:54,886 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:54:54,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:54:54,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:54:54,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:54:54,887 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:54:54,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:54:54,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:54:54,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:54:54,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:54:54,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:54:54,889 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:54:54,889 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:54:54,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:54:54,890 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:54:54,890 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 -> 25ec3251df4364e7ade827472089fe1d0ff6f3f9 [2019-11-28 00:54:55,215 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:54:55,233 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:54:55,236 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:54:55,237 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:54:55,238 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:54:55,239 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix014_tso.opt.i [2019-11-28 00:54:55,298 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dda08a93/780e7e858f2d46479d7d60fb4a56e98a/FLAGbe742ae0d [2019-11-28 00:54:55,876 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:54:55,877 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix014_tso.opt.i [2019-11-28 00:54:55,900 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dda08a93/780e7e858f2d46479d7d60fb4a56e98a/FLAGbe742ae0d [2019-11-28 00:54:56,142 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dda08a93/780e7e858f2d46479d7d60fb4a56e98a [2019-11-28 00:54:56,146 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:54:56,148 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:54:56,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:54:56,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:54:56,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:54:56,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:54:56" (1/1) ... [2019-11-28 00:54:56,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f8bbb41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:56, skipping insertion in model container [2019-11-28 00:54:56,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:54:56" (1/1) ... [2019-11-28 00:54:56,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:54:56,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:54:56,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:54:56,728 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:54:56,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:54:56,884 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:54:56,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:56 WrapperNode [2019-11-28 00:54:56,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:54:56,886 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:54:56,886 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:54:56,887 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:54:56,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:56" (1/1) ... [2019-11-28 00:54:56,926 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:56" (1/1) ... [2019-11-28 00:54:56,963 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:54:56,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:54:56,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:54:56,964 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:54:56,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:56" (1/1) ... [2019-11-28 00:54:56,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:56" (1/1) ... [2019-11-28 00:54:56,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:56" (1/1) ... [2019-11-28 00:54:56,983 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:56" (1/1) ... [2019-11-28 00:54:56,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:56" (1/1) ... [2019-11-28 00:54:57,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:56" (1/1) ... [2019-11-28 00:54:57,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:56" (1/1) ... [2019-11-28 00:54:57,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:54:57,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:54:57,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:54:57,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:54:57,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:56" (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 00:54:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:54:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:54:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:54:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 00:54:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:54:57,081 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:54:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:54:57,081 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:54:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 00:54:57,082 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 00:54:57,082 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-28 00:54:57,082 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-28 00:54:57,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:54:57,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:54:57,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:54:57,084 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 00:54:57,923 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 00:54:57,929 INFO L168 Benchmark]: Toolchain (without parser) took 1779.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -96.4 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:54:57,930 INFO L168 Benchmark]: CDTParser took 0.21 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 00:54:57,931 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -160.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:54:57,931 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.60 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 00:54:57,932 INFO L168 Benchmark]: Boogie Preprocessor took 49.96 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 00:54:57,933 INFO L168 Benchmark]: RCFGBuilder took 911.24 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: 57.1 MB). Peak memory consumption was 57.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:54:57,937 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 736.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -160.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 911.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 57.1 MB). Peak memory consumption was 57.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...