./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe024_pso.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/safe024_pso.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 d04840819a516da9026423f1cf57c568b18037b6 ........................................................................................................................................................................................... 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/safe024_pso.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 d04840819a516da9026423f1cf57c568b18037b6 ............................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 01:03:00,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:03:00,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:03:00,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:03:00,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:03:00,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:03:00,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:03:00,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:03:00,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:03:00,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:03:00,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:03:00,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:03:00,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:03:00,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:03:00,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:03:00,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:03:00,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:03:00,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:03:00,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:03:00,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:03:00,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:03:00,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:03:00,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:03:00,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:03:00,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:03:00,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:03:00,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:03:00,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:03:00,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:03:00,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:03:00,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:03:00,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:03:00,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:03:00,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:03:00,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:03:00,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:03:00,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:03:00,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:03:00,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:03:00,911 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:03:00,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:03:00,913 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:03:00,936 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:03:00,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:03:00,937 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:03:00,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:03:00,938 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:03:00,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:03:00,938 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:03:00,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:03:00,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:03:00,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:03:00,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:03:00,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:03:00,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:03:00,940 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:03:00,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:03:00,940 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:03:00,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:03:00,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:03:00,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:03:00,941 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:03:00,942 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:03:00,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:03:00,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:03:00,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:03:00,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:03:00,943 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:03:00,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:03:00,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:03:00,943 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 -> d04840819a516da9026423f1cf57c568b18037b6 [2019-11-28 01:03:01,273 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:03:01,290 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:03:01,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:03:01,297 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:03:01,297 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:03:01,298 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe024_pso.opt.i [2019-11-28 01:03:01,371 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f8df1187/e2aa2b5fccb545c299a403e66d045a9f/FLAG7768062be [2019-11-28 01:03:01,964 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:03:01,965 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe024_pso.opt.i [2019-11-28 01:03:01,985 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f8df1187/e2aa2b5fccb545c299a403e66d045a9f/FLAG7768062be [2019-11-28 01:03:02,247 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f8df1187/e2aa2b5fccb545c299a403e66d045a9f [2019-11-28 01:03:02,251 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:03:02,252 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:03:02,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:03:02,253 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:03:02,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:03:02,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:03:02" (1/1) ... [2019-11-28 01:03:02,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ce269f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:02, skipping insertion in model container [2019-11-28 01:03:02,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:03:02" (1/1) ... [2019-11-28 01:03:02,271 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:03:02,324 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:03:02,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:03:02,806 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:03:02,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:03:02,964 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:03:02,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:02 WrapperNode [2019-11-28 01:03:02,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:03:02,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:03:02,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:03:02,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:03:02,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:02" (1/1) ... [2019-11-28 01:03:03,001 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:02" (1/1) ... [2019-11-28 01:03:03,033 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:03:03,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:03:03,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:03:03,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:03:03,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:02" (1/1) ... [2019-11-28 01:03:03,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:02" (1/1) ... [2019-11-28 01:03:03,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:02" (1/1) ... [2019-11-28 01:03:03,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:02" (1/1) ... [2019-11-28 01:03:03,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:02" (1/1) ... [2019-11-28 01:03:03,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:02" (1/1) ... [2019-11-28 01:03:03,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:02" (1/1) ... [2019-11-28 01:03:03,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:03:03,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:03:03,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:03:03,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:03:03,088 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:03:03,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:03:03,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:03:03,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:03:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:03:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:03:03,159 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:03:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:03:03,160 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:03:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:03:03,161 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:03:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:03:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:03:03,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:03:03,164 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 01:03:03,880 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1632) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:03:03,887 INFO L168 Benchmark]: Toolchain (without parser) took 1633.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 946.9 MB in the beginning and 1.0 GB in the end (delta: -85.9 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:03,888 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:03:03,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -144.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:03,890 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:03,891 INFO L168 Benchmark]: Boogie Preprocessor took 52.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:03:03,894 INFO L168 Benchmark]: RCFGBuilder took 798.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.6 MB). Peak memory consumption was 51.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:03,898 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 712.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -144.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.79 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.21 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 798.07 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: 51.6 MB). Peak memory consumption was 51.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 01:03:05,880 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:03:05,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:03:05,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:03:05,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:03:05,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:03:05,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:03:05,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:03:05,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:03:05,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:03:05,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:03:05,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:03:05,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:03:05,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:03:05,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:03:05,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:03:05,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:03:05,947 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:03:05,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:03:05,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:03:05,958 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:03:05,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:03:05,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:03:05,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:03:05,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:03:05,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:03:05,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:03:05,974 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:03:05,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:03:05,976 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:03:05,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:03:05,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:03:05,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:03:05,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:03:05,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:03:05,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:03:05,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:03:05,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:03:05,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:03:05,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:03:05,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:03:05,986 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:03:06,024 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:03:06,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:03:06,030 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:03:06,030 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:03:06,031 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:03:06,031 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:03:06,032 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:03:06,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:03:06,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:03:06,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:03:06,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:03:06,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:03:06,035 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:03:06,036 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:03:06,038 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:03:06,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:03:06,039 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:03:06,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:03:06,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:03:06,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:03:06,040 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:03:06,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:03:06,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:03:06,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:03:06,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:03:06,042 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:03:06,042 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:03:06,043 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:03:06,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:03:06,044 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:03:06,044 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 -> d04840819a516da9026423f1cf57c568b18037b6 [2019-11-28 01:03:06,383 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:03:06,402 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:03:06,406 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:03:06,409 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:03:06,410 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:03:06,411 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe024_pso.opt.i [2019-11-28 01:03:06,495 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6fe6cc62/fced4e79bfd949ef8e475c3d864bd893/FLAGda805b98e [2019-11-28 01:03:07,092 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:03:07,092 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe024_pso.opt.i [2019-11-28 01:03:07,107 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6fe6cc62/fced4e79bfd949ef8e475c3d864bd893/FLAGda805b98e [2019-11-28 01:03:07,329 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6fe6cc62/fced4e79bfd949ef8e475c3d864bd893 [2019-11-28 01:03:07,333 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:03:07,334 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:03:07,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:03:07,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:03:07,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:03:07,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:03:07" (1/1) ... [2019-11-28 01:03:07,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48e2acac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:07, skipping insertion in model container [2019-11-28 01:03:07,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:03:07" (1/1) ... [2019-11-28 01:03:07,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:03:07,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:03:08,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:03:08,070 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:03:08,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:03:08,265 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:03:08,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:08 WrapperNode [2019-11-28 01:03:08,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:03:08,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:03:08,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:03:08,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:03:08,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:08" (1/1) ... [2019-11-28 01:03:08,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:08" (1/1) ... [2019-11-28 01:03:08,335 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:03:08,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:03:08,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:03:08,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:03:08,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:08" (1/1) ... [2019-11-28 01:03:08,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:08" (1/1) ... [2019-11-28 01:03:08,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:08" (1/1) ... [2019-11-28 01:03:08,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:08" (1/1) ... [2019-11-28 01:03:08,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:08" (1/1) ... [2019-11-28 01:03:08,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:08" (1/1) ... [2019-11-28 01:03:08,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:08" (1/1) ... [2019-11-28 01:03:08,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:03:08,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:03:08,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:03:08,388 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:03:08,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:03:08,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:03:08,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:03:08,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:03:08,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:03:08,470 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:03:08,470 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:03:08,470 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:03:08,470 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:03:08,471 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:03:08,471 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:03:08,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:03:08,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:03:08,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:03:08,476 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 01:03:09,225 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1632) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:03:09,231 INFO L168 Benchmark]: Toolchain (without parser) took 1896.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 960.4 MB in the beginning and 1.0 GB in the end (delta: -60.9 MB). Peak memory consumption was 59.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:09,232 INFO L168 Benchmark]: CDTParser took 0.31 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 01:03:09,234 INFO L168 Benchmark]: CACSL2BoogieTranslator took 933.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -126.0 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:09,235 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:09,235 INFO L168 Benchmark]: Boogie Preprocessor took 52.43 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 01:03:09,236 INFO L168 Benchmark]: RCFGBuilder took 841.07 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: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:09,240 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 933.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -126.0 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.43 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 841.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...