./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/stateful01-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/stateful01-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash daf8296ccffa2774bcd8f28d2aef5bf1cbb0f4f5 .......................................................................................................................................................................................... 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/stateful01-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash daf8296ccffa2774bcd8f28d2aef5bf1cbb0f4f5 ............................................................................................................................................................................................ 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 00:52:24,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:52:24,685 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:52:24,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:52:24,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:52:24,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:52:24,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:52:24,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:52:24,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:52:24,722 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:52:24,723 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:52:24,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:52:24,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:52:24,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:52:24,730 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:52:24,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:52:24,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:52:24,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:52:24,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:52:24,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:52:24,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:52:24,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:52:24,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:52:24,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:52:24,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:52:24,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:52:24,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:52:24,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:52:24,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:52:24,748 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:52:24,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:52:24,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:52:24,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:52:24,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:52:24,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:52:24,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:52:24,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:52:24,756 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:52:24,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:52:24,757 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:52:24,758 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:52:24,762 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:52:24,778 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:52:24,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:52:24,780 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:52:24,780 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:52:24,781 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:52:24,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:52:24,781 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:52:24,781 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:52:24,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:52:24,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:52:24,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:52:24,783 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:52:24,783 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:52:24,783 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:52:24,783 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:52:24,784 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:52:24,784 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:52:24,784 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:52:24,784 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:52:24,785 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:52:24,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:52:24,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:52:24,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:52:24,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:52:24,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:52:24,786 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:52:24,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:52:24,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:52:24,787 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 -> daf8296ccffa2774bcd8f28d2aef5bf1cbb0f4f5 [2019-11-28 00:52:25,085 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:52:25,097 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:52:25,101 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:52:25,102 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:52:25,103 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:52:25,104 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stateful01-1.i [2019-11-28 00:52:25,165 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0236eb10/3f127365d75e48c080dbe5659606f0fb/FLAGec1b1583f [2019-11-28 00:52:25,745 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:52:25,746 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stateful01-1.i [2019-11-28 00:52:25,761 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0236eb10/3f127365d75e48c080dbe5659606f0fb/FLAGec1b1583f [2019-11-28 00:52:26,179 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0236eb10/3f127365d75e48c080dbe5659606f0fb [2019-11-28 00:52:26,184 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:52:26,185 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:52:26,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:52:26,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:52:26,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:52:26,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:52:26" (1/1) ... [2019-11-28 00:52:26,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bf2c3a4 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 00:52:26,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:52:26" (1/1) ... [2019-11-28 00:52:26,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:52:26,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:52:26,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:52:26,716 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:52:26,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:52:26,884 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:52:26,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:26 WrapperNode [2019-11-28 00:52:26,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:52:26,886 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:52:26,886 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:52:26,887 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:52:26,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:26" (1/1) ... [2019-11-28 00:52:26,934 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:26" (1/1) ... [2019-11-28 00:52:26,968 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:52:26,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:52:26,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:52:26,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:52:26,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:26" (1/1) ... [2019-11-28 00:52:26,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:26" (1/1) ... [2019-11-28 00:52:26,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:26" (1/1) ... [2019-11-28 00:52:26,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:26" (1/1) ... [2019-11-28 00:52:27,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:26" (1/1) ... [2019-11-28 00:52:27,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:26" (1/1) ... [2019-11-28 00:52:27,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:26" (1/1) ... [2019-11-28 00:52:27,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:52:27,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:52:27,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:52:27,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:52:27,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:26" (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 00:52:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 00:52:27,109 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-11-28 00:52:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-11-28 00:52:27,109 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2019-11-28 00:52:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2019-11-28 00:52:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:52:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-11-28 00:52:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:52:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:52:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:52:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:52:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:52:27,113 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 00:52:27,545 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 00:52:27,552 INFO L168 Benchmark]: Toolchain (without parser) took 1365.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -139.6 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:27,553 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:52:27,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -169.8 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:27,556 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:52:27,557 INFO L168 Benchmark]: Boogie Preprocessor took 59.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:52:27,559 INFO L168 Benchmark]: RCFGBuilder took 517.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:27,563 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 699.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -169.8 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.76 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 59.78 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 517.97 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: 30.2 MB). Peak memory consumption was 30.2 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 00:52:29,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:52:29,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:52:29,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:52:29,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:52:29,540 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:52:29,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:52:29,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:52:29,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:52:29,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:52:29,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:52:29,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:52:29,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:52:29,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:52:29,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:52:29,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:52:29,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:52:29,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:52:29,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:52:29,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:52:29,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:52:29,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:52:29,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:52:29,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:52:29,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:52:29,597 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:52:29,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:52:29,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:52:29,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:52:29,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:52:29,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:52:29,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:52:29,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:52:29,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:52:29,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:52:29,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:52:29,610 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:52:29,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:52:29,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:52:29,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:52:29,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:52:29,614 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:52:29,652 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:52:29,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:52:29,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:52:29,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:52:29,658 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:52:29,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:52:29,660 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:52:29,661 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:52:29,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:52:29,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:52:29,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:52:29,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:52:29,662 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:52:29,663 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:52:29,664 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:52:29,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:52:29,664 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:52:29,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:52:29,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:52:29,665 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:52:29,666 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:52:29,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:52:29,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:52:29,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:52:29,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:52:29,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:52:29,668 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:52:29,668 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:52:29,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:52:29,669 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:52:29,669 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 -> daf8296ccffa2774bcd8f28d2aef5bf1cbb0f4f5 [2019-11-28 00:52:29,994 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:52:30,010 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:52:30,014 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:52:30,016 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:52:30,016 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:52:30,018 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stateful01-1.i [2019-11-28 00:52:30,092 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/677c8fb47/5c77cd74e1934e20a001e9627f862b5f/FLAG032881964 [2019-11-28 00:52:30,635 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:52:30,636 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stateful01-1.i [2019-11-28 00:52:30,648 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/677c8fb47/5c77cd74e1934e20a001e9627f862b5f/FLAG032881964 [2019-11-28 00:52:30,975 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/677c8fb47/5c77cd74e1934e20a001e9627f862b5f [2019-11-28 00:52:30,978 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:52:30,980 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:52:30,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:52:30,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:52:30,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:52:30,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:52:30" (1/1) ... [2019-11-28 00:52:30,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b1629a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:30, skipping insertion in model container [2019-11-28 00:52:30,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:52:30" (1/1) ... [2019-11-28 00:52:30,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:52:31,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:52:31,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:52:31,529 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:52:31,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:52:31,693 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:52:31,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:31 WrapperNode [2019-11-28 00:52:31,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:52:31,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:52:31,696 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:52:31,697 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:52:31,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:31" (1/1) ... [2019-11-28 00:52:31,752 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:31" (1/1) ... [2019-11-28 00:52:31,786 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:52:31,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:52:31,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:52:31,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:52:31,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:31" (1/1) ... [2019-11-28 00:52:31,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:31" (1/1) ... [2019-11-28 00:52:31,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:31" (1/1) ... [2019-11-28 00:52:31,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:31" (1/1) ... [2019-11-28 00:52:31,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:31" (1/1) ... [2019-11-28 00:52:31,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:31" (1/1) ... [2019-11-28 00:52:31,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:31" (1/1) ... [2019-11-28 00:52:31,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:52:31,853 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:52:31,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:52:31,854 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:52:31,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:31" (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 00:52:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 00:52:31,931 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-11-28 00:52:31,932 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-11-28 00:52:31,932 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2019-11-28 00:52:31,932 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2019-11-28 00:52:31,932 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-11-28 00:52:31,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:52:31,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:52:31,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 00:52:31,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-11-28 00:52:31,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:52:31,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:52:31,936 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 00:52:32,421 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 00:52:32,428 INFO L168 Benchmark]: Toolchain (without parser) took 1446.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 961.7 MB in the beginning and 1.0 GB in the end (delta: -76.1 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:32,429 INFO L168 Benchmark]: CDTParser took 0.32 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 00:52:32,430 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -108.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:32,431 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.63 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:52:32,431 INFO L168 Benchmark]: Boogie Preprocessor took 65.69 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:52:32,434 INFO L168 Benchmark]: RCFGBuilder took 571.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:32,439 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 714.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -108.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 90.63 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.69 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 571.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...