./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe029_rmo.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/safe029_rmo.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 3915ac96bf19657900740412bd5789f6788284da ......................................................................................................................................................................................... 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/safe029_rmo.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 3915ac96bf19657900740412bd5789f6788284da ........................................................................................................................................................................................... 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 01:03:32,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:03:32,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:03:32,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:03:32,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:03:32,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:03:32,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:03:32,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:03:32,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:03:32,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:03:32,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:03:32,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:03:32,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:03:32,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:03:32,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:03:32,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:03:32,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:03:32,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:03:32,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:03:32,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:03:32,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:03:32,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:03:32,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:03:32,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:03:32,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:03:32,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:03:32,398 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:03:32,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:03:32,399 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:03:32,400 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:03:32,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:03:32,401 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:03:32,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:03:32,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:03:32,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:03:32,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:03:32,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:03:32,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:03:32,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:03:32,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:03:32,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:03:32,408 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:03:32,422 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:03:32,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:03:32,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:03:32,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:03:32,424 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:03:32,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:03:32,425 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:03:32,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:03:32,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:03:32,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:03:32,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:03:32,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:03:32,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:03:32,426 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:03:32,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:03:32,427 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:03:32,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:03:32,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:03:32,428 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:03:32,428 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:03:32,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:03:32,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:03:32,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:03:32,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:03:32,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:03:32,429 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:03:32,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:03:32,430 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:03:32,430 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 -> 3915ac96bf19657900740412bd5789f6788284da [2019-11-28 01:03:32,733 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:03:32,748 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:03:32,751 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:03:32,753 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:03:32,754 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:03:32,755 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe029_rmo.opt.i [2019-11-28 01:03:32,845 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc661eaa6/9eb2737602394ade8ac1a9c910f5523f/FLAG17dbbfe2f [2019-11-28 01:03:33,429 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:03:33,430 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe029_rmo.opt.i [2019-11-28 01:03:33,451 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc661eaa6/9eb2737602394ade8ac1a9c910f5523f/FLAG17dbbfe2f [2019-11-28 01:03:33,700 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc661eaa6/9eb2737602394ade8ac1a9c910f5523f [2019-11-28 01:03:33,703 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:03:33,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:03:33,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:03:33,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:03:33,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:03:33,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:03:33" (1/1) ... [2019-11-28 01:03:33,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27932562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:33, skipping insertion in model container [2019-11-28 01:03:33,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:03:33" (1/1) ... [2019-11-28 01:03:33,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:03:33,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:03:34,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:03:34,303 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:03:34,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:03:34,458 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:03:34,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:34 WrapperNode [2019-11-28 01:03:34,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:03:34,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:03:34,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:03:34,459 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:03:34,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:34" (1/1) ... [2019-11-28 01:03:34,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:34" (1/1) ... [2019-11-28 01:03:34,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:03:34,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:03:34,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:03:34,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:03:34,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:34" (1/1) ... [2019-11-28 01:03:34,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:34" (1/1) ... [2019-11-28 01:03:34,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:34" (1/1) ... [2019-11-28 01:03:34,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:34" (1/1) ... [2019-11-28 01:03:34,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:34" (1/1) ... [2019-11-28 01:03:34,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:34" (1/1) ... [2019-11-28 01:03:34,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:34" (1/1) ... [2019-11-28 01:03:34,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:03:34,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:03:34,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:03:34,566 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:03:34,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:34" (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 01:03:34,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:03:34,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:03:34,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:03:34,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:03:34,649 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:03:34,650 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:03:34,650 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:03:34,650 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:03:34,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:03:34,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:03:34,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:03:34,653 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 01:03:35,381 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:03:35,388 INFO L168 Benchmark]: Toolchain (without parser) took 1682.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 957.7 MB in the beginning and 1.0 GB in the end (delta: -85.5 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:35,388 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:03:35,390 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -142.3 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:35,391 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:35,391 INFO L168 Benchmark]: Boogie Preprocessor took 38.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:03:35,392 INFO L168 Benchmark]: RCFGBuilder took 819.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.8 MB). Peak memory consumption was 44.8 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:35,396 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 753.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -142.3 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.48 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 38.06 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 819.44 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: 44.8 MB). Peak memory consumption was 44.8 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 01:03:37,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:03:37,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:03:37,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:03:37,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:03:37,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:03:37,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:03:37,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:03:37,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:03:37,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:03:37,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:03:37,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:03:37,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:03:37,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:03:37,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:03:37,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:03:37,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:03:37,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:03:37,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:03:37,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:03:37,359 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:03:37,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:03:37,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:03:37,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:03:37,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:03:37,365 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:03:37,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:03:37,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:03:37,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:03:37,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:03:37,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:03:37,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:03:37,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:03:37,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:03:37,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:03:37,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:03:37,374 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:03:37,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:03:37,375 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:03:37,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:03:37,377 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:03:37,377 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:03:37,393 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:03:37,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:03:37,394 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:03:37,395 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:03:37,395 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:03:37,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:03:37,396 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:03:37,396 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:03:37,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:03:37,396 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:03:37,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:03:37,397 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:03:37,397 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:03:37,398 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:03:37,398 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:03:37,398 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:03:37,399 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:03:37,399 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:03:37,399 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:03:37,399 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:03:37,400 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:03:37,400 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:03:37,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:03:37,401 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:03:37,401 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:03:37,401 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:03:37,401 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:03:37,402 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:03:37,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:03:37,402 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:03:37,402 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 -> 3915ac96bf19657900740412bd5789f6788284da [2019-11-28 01:03:37,707 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:03:37,719 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:03:37,722 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:03:37,724 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:03:37,725 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:03:37,725 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe029_rmo.opt.i [2019-11-28 01:03:37,788 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01a86f820/1ea1252d54e74fbd88c75df144f76291/FLAG22d526cdb [2019-11-28 01:03:38,270 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:03:38,270 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe029_rmo.opt.i [2019-11-28 01:03:38,289 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01a86f820/1ea1252d54e74fbd88c75df144f76291/FLAG22d526cdb [2019-11-28 01:03:38,612 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01a86f820/1ea1252d54e74fbd88c75df144f76291 [2019-11-28 01:03:38,615 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:03:38,617 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:03:38,618 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:03:38,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:03:38,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:03:38,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:03:38" (1/1) ... [2019-11-28 01:03:38,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@315a37d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:38, skipping insertion in model container [2019-11-28 01:03:38,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:03:38" (1/1) ... [2019-11-28 01:03:38,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:03:38,684 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:03:39,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:03:39,202 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:03:39,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:03:39,361 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:03:39,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:39 WrapperNode [2019-11-28 01:03:39,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:03:39,363 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:03:39,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:03:39,364 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:03:39,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:39" (1/1) ... [2019-11-28 01:03:39,395 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:39" (1/1) ... [2019-11-28 01:03:39,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:03:39,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:03:39,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:03:39,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:03:39,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:39" (1/1) ... [2019-11-28 01:03:39,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:39" (1/1) ... [2019-11-28 01:03:39,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:39" (1/1) ... [2019-11-28 01:03:39,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:39" (1/1) ... [2019-11-28 01:03:39,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:39" (1/1) ... [2019-11-28 01:03:39,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:39" (1/1) ... [2019-11-28 01:03:39,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:39" (1/1) ... [2019-11-28 01:03:39,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:03:39,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:03:39,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:03:39,493 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:03:39,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:39" (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 01:03:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:03:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:03:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:03:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:03:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:03:39,607 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:03:39,607 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:03:39,607 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:03:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:03:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:03:39,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:03:39,614 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 01:03:40,436 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 01:03:40,444 INFO L168 Benchmark]: Toolchain (without parser) took 1825.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 952.3 MB in the beginning and 1.0 GB in the end (delta: -71.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:40,446 INFO L168 Benchmark]: CDTParser took 0.28 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 01:03:40,447 INFO L168 Benchmark]: CACSL2BoogieTranslator took 744.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -123.7 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:40,448 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.52 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 01:03:40,450 INFO L168 Benchmark]: Boogie Preprocessor took 52.75 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 01:03:40,452 INFO L168 Benchmark]: RCFGBuilder took 948.10 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: 45.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:40,458 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 744.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -123.7 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.75 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 948.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...