./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe005_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/safe005_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 c36fe413706bed9d691ac2bda558daf7ae17c337 ........................................................................................................................................................................................... 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/safe005_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 c36fe413706bed9d691ac2bda558daf7ae17c337 ............................................................................................................................................................................................. 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 01:01:07,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:01:07,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:01:07,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:01:07,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:01:07,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:01:07,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:01:08,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:01:08,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:01:08,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:01:08,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:01:08,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:01:08,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:01:08,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:01:08,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:01:08,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:01:08,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:01:08,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:01:08,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:01:08,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:01:08,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:01:08,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:01:08,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:01:08,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:01:08,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:01:08,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:01:08,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:01:08,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:01:08,025 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:01:08,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:01:08,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:01:08,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:01:08,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:01:08,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:01:08,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:01:08,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:01:08,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:01:08,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:01:08,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:01:08,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:01:08,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:01:08,035 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:01:08,058 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:01:08,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:01:08,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:01:08,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:01:08,062 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:01:08,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:01:08,062 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:01:08,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:01:08,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:01:08,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:01:08,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:01:08,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:01:08,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:01:08,066 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:01:08,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:01:08,066 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:01:08,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:01:08,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:01:08,067 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:01:08,068 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:01:08,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:01:08,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:01:08,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:01:08,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:01:08,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:01:08,070 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:01:08,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:01:08,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:01:08,071 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 -> c36fe413706bed9d691ac2bda558daf7ae17c337 [2019-11-28 01:01:08,396 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:01:08,410 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:01:08,413 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:01:08,415 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:01:08,416 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:01:08,417 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe005_pso.opt.i [2019-11-28 01:01:08,493 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/593eaf258/6b7a92c2b8f7422cb57a98a33cbc3714/FLAG87c3f199d [2019-11-28 01:01:09,066 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:01:09,067 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe005_pso.opt.i [2019-11-28 01:01:09,090 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/593eaf258/6b7a92c2b8f7422cb57a98a33cbc3714/FLAG87c3f199d [2019-11-28 01:01:09,360 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/593eaf258/6b7a92c2b8f7422cb57a98a33cbc3714 [2019-11-28 01:01:09,364 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:01:09,365 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:01:09,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:01:09,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:01:09,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:01:09,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:01:09" (1/1) ... [2019-11-28 01:01:09,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fb1bc8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:09, skipping insertion in model container [2019-11-28 01:01:09,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:01:09" (1/1) ... [2019-11-28 01:01:09,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:01:09,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:01:09,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:01:09,960 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:01:10,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:01:10,182 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:01:10,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:10 WrapperNode [2019-11-28 01:01:10,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:01:10,185 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:01:10,186 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:01:10,186 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:01:10,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:10" (1/1) ... [2019-11-28 01:01:10,235 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:10" (1/1) ... [2019-11-28 01:01:10,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:01:10,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:01:10,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:01:10,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:01:10,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:10" (1/1) ... [2019-11-28 01:01:10,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:10" (1/1) ... [2019-11-28 01:01:10,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:10" (1/1) ... [2019-11-28 01:01:10,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:10" (1/1) ... [2019-11-28 01:01:10,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:10" (1/1) ... [2019-11-28 01:01:10,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:10" (1/1) ... [2019-11-28 01:01:10,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:10" (1/1) ... [2019-11-28 01:01:10,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:01:10,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:01:10,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:01:10,348 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:01:10,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:10" (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 01:01:10,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:01:10,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:01:10,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:01:10,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:01:10,433 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:01:10,433 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:01:10,433 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:01:10,433 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:01:10,434 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:01:10,434 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:01:10,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:01:10,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:01:10,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:01:10,437 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 01:01:11,206 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:01:11,211 INFO L168 Benchmark]: Toolchain (without parser) took 1845.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 960.4 MB in the beginning and 1.0 GB in the end (delta: -79.6 MB). Peak memory consumption was 57.2 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:11,212 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:01:11,213 INFO L168 Benchmark]: CACSL2BoogieTranslator took 818.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -143.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:11,214 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:11,215 INFO L168 Benchmark]: Boogie Preprocessor took 65.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:01:11,216 INFO L168 Benchmark]: RCFGBuilder took 861.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.7 MB). Peak memory consumption was 51.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:11,220 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 818.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -143.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 96.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.01 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 861.37 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: 51.7 MB). Peak memory consumption was 51.7 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 01:01:13,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:01:13,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:01:13,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:01:13,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:01:13,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:01:13,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:01:13,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:01:13,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:01:13,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:01:13,508 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:01:13,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:01:13,511 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:01:13,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:01:13,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:01:13,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:01:13,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:01:13,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:01:13,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:01:13,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:01:13,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:01:13,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:01:13,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:01:13,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:01:13,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:01:13,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:01:13,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:01:13,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:01:13,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:01:13,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:01:13,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:01:13,551 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:01:13,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:01:13,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:01:13,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:01:13,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:01:13,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:01:13,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:01:13,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:01:13,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:01:13,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:01:13,558 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:01:13,573 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:01:13,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:01:13,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:01:13,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:01:13,575 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:01:13,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:01:13,576 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:01:13,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:01:13,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:01:13,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:01:13,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:01:13,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:01:13,577 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:01:13,577 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:01:13,577 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:01:13,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:01:13,578 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:01:13,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:01:13,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:01:13,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:01:13,579 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:01:13,579 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:01:13,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:01:13,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:01:13,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:01:13,580 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:01:13,580 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:01:13,580 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:01:13,580 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:01:13,581 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:01:13,581 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 -> c36fe413706bed9d691ac2bda558daf7ae17c337 [2019-11-28 01:01:13,883 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:01:13,896 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:01:13,899 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:01:13,901 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:01:13,901 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:01:13,902 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe005_pso.opt.i [2019-11-28 01:01:13,970 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57622a9a1/7a8d47f102a94a42b973d187eb930831/FLAG511d7166f [2019-11-28 01:01:14,520 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:01:14,521 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe005_pso.opt.i [2019-11-28 01:01:14,543 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57622a9a1/7a8d47f102a94a42b973d187eb930831/FLAG511d7166f [2019-11-28 01:01:14,811 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57622a9a1/7a8d47f102a94a42b973d187eb930831 [2019-11-28 01:01:14,815 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:01:14,817 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:01:14,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:01:14,818 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:01:14,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:01:14,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:01:14" (1/1) ... [2019-11-28 01:01:14,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1844f808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:14, skipping insertion in model container [2019-11-28 01:01:14,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:01:14" (1/1) ... [2019-11-28 01:01:14,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:01:14,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:01:15,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:01:15,384 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:01:15,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:01:15,577 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:01:15,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:15 WrapperNode [2019-11-28 01:01:15,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:01:15,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:01:15,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:01:15,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:01:15,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:15" (1/1) ... [2019-11-28 01:01:15,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:15" (1/1) ... [2019-11-28 01:01:15,650 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:01:15,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:01:15,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:01:15,650 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:01:15,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:15" (1/1) ... [2019-11-28 01:01:15,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:15" (1/1) ... [2019-11-28 01:01:15,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:15" (1/1) ... [2019-11-28 01:01:15,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:15" (1/1) ... [2019-11-28 01:01:15,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:15" (1/1) ... [2019-11-28 01:01:15,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:15" (1/1) ... [2019-11-28 01:01:15,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:15" (1/1) ... [2019-11-28 01:01:15,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:01:15,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:01:15,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:01:15,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:01:15,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:15" (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 01:01:15,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:01:15,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:01:15,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:01:15,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:01:15,781 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:01:15,782 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:01:15,782 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:01:15,782 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:01:15,782 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:01:15,783 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:01:15,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:01:15,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:01:15,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:01:15,785 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 01:01:16,475 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 01:01:16,481 INFO L168 Benchmark]: Toolchain (without parser) took 1663.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 959.0 MB in the beginning and 1.0 GB in the end (delta: -46.7 MB). Peak memory consumption was 57.1 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:16,482 INFO L168 Benchmark]: CDTParser took 0.19 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 01:01:16,483 INFO L168 Benchmark]: CACSL2BoogieTranslator took 760.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -111.6 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:16,484 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.09 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:16,485 INFO L168 Benchmark]: Boogie Preprocessor took 71.13 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 01:01:16,486 INFO L168 Benchmark]: RCFGBuilder took 756.92 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: 52.7 MB). Peak memory consumption was 52.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:16,489 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 760.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -111.6 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.13 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 756.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.7 MB). Peak memory consumption was 52.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...