./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe011_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe011_tso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e6ac324937dcb830ded2162c28c92a3a84b747b3 ........................................................................................................................................................................................... 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/safe011_tso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e6ac324937dcb830ded2162c28c92a3a84b747b3 ............................................................................................................................................................................................. 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 01:01:47,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:01:47,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:01:47,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:01:47,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:01:47,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:01:47,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:01:47,348 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:01:47,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:01:47,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:01:47,358 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:01:47,360 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:01:47,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:01:47,363 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:01:47,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:01:47,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:01:47,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:01:47,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:01:47,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:01:47,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:01:47,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:01:47,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:01:47,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:01:47,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:01:47,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:01:47,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:01:47,393 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:01:47,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:01:47,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:01:47,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:01:47,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:01:47,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:01:47,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:01:47,400 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:01:47,401 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:01:47,401 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:01:47,402 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:01:47,402 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:01:47,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:01:47,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:01:47,405 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:01:47,406 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:01:47,444 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:01:47,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:01:47,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:01:47,446 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:01:47,446 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:01:47,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:01:47,450 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:01:47,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:01:47,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:01:47,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:01:47,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:01:47,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:01:47,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:01:47,452 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:01:47,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:01:47,454 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:01:47,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:01:47,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:01:47,455 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:01:47,455 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:01:47,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:01:47,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:01:47,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:01:47,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:01:47,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:01:47,458 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:01:47,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:01:47,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:01:47,459 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 -> e6ac324937dcb830ded2162c28c92a3a84b747b3 [2019-11-28 01:01:47,812 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:01:47,827 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:01:47,830 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:01:47,832 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:01:47,832 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:01:47,833 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe011_tso.opt.i [2019-11-28 01:01:47,902 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c19fab85f/eb5c680e431e4f059f21e04301f43718/FLAGac5f2fa43 [2019-11-28 01:01:48,453 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:01:48,454 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe011_tso.opt.i [2019-11-28 01:01:48,469 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c19fab85f/eb5c680e431e4f059f21e04301f43718/FLAGac5f2fa43 [2019-11-28 01:01:48,743 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c19fab85f/eb5c680e431e4f059f21e04301f43718 [2019-11-28 01:01:48,747 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:01:48,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:01:48,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:01:48,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:01:48,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:01:48,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:01:48" (1/1) ... [2019-11-28 01:01:48,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73cd5bac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:48, skipping insertion in model container [2019-11-28 01:01:48,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:01:48" (1/1) ... [2019-11-28 01:01:48,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:01:48,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:01:49,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:01:49,391 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:01:49,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:01:49,571 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:01:49,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:49 WrapperNode [2019-11-28 01:01:49,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:01:49,572 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:01:49,572 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:01:49,572 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:01:49,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:49" (1/1) ... [2019-11-28 01:01:49,608 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:49" (1/1) ... [2019-11-28 01:01:49,628 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:01:49,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:01:49,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:01:49,628 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:01:49,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:49" (1/1) ... [2019-11-28 01:01:49,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:49" (1/1) ... [2019-11-28 01:01:49,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:49" (1/1) ... [2019-11-28 01:01:49,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:49" (1/1) ... [2019-11-28 01:01:49,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:49" (1/1) ... [2019-11-28 01:01:49,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:49" (1/1) ... [2019-11-28 01:01:49,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:49" (1/1) ... [2019-11-28 01:01:49,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:01:49,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:01:49,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:01:49,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:01:49,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:49" (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 01:01:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:01:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:01:49,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:01:49,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:01:49,724 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:01:49,724 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:01:49,725 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:01:49,725 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:01:49,725 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:01:49,725 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:01:49,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:01:49,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:01:49,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:01:49,731 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 01:01:50,100 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:01:50,106 INFO L168 Benchmark]: Toolchain (without parser) took 1356.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -100.4 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:50,106 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:01:50,108 INFO L168 Benchmark]: CACSL2BoogieTranslator took 822.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -124.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:50,108 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:01:50,109 INFO L168 Benchmark]: Boogie Preprocessor took 25.41 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:01:50,110 INFO L168 Benchmark]: RCFGBuilder took 449.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:50,113 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 822.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -124.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.41 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 449.29 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: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 01:01:52,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:01:52,080 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:01:52,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:01:52,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:01:52,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:01:52,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:01:52,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:01:52,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:01:52,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:01:52,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:01:52,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:01:52,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:01:52,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:01:52,127 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:01:52,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:01:52,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:01:52,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:01:52,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:01:52,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:01:52,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:01:52,148 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:01:52,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:01:52,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:01:52,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:01:52,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:01:52,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:01:52,157 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:01:52,157 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:01:52,158 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:01:52,158 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:01:52,159 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:01:52,160 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:01:52,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:01:52,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:01:52,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:01:52,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:01:52,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:01:52,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:01:52,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:01:52,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:01:52,169 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:01:52,190 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:01:52,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:01:52,192 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:01:52,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:01:52,192 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:01:52,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:01:52,193 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:01:52,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:01:52,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:01:52,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:01:52,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:01:52,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:01:52,195 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:01:52,195 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:01:52,195 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:01:52,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:01:52,196 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:01:52,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:01:52,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:01:52,197 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:01:52,197 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:01:52,198 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:01:52,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:01:52,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:01:52,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:01:52,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:01:52,199 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:01:52,199 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:01:52,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:01:52,200 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:01:52,200 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 -> e6ac324937dcb830ded2162c28c92a3a84b747b3 [2019-11-28 01:01:52,513 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:01:52,526 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:01:52,530 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:01:52,532 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:01:52,532 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:01:52,533 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe011_tso.opt.i [2019-11-28 01:01:52,602 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b23297617/ba558f53fbeb47089cfcb31ad3051f13/FLAG0bfdae04f [2019-11-28 01:01:53,181 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:01:53,182 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe011_tso.opt.i [2019-11-28 01:01:53,199 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b23297617/ba558f53fbeb47089cfcb31ad3051f13/FLAG0bfdae04f [2019-11-28 01:01:53,497 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b23297617/ba558f53fbeb47089cfcb31ad3051f13 [2019-11-28 01:01:53,501 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:01:53,502 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:01:53,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:01:53,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:01:53,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:01:53,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:01:53" (1/1) ... [2019-11-28 01:01:53,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ad889a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:53, skipping insertion in model container [2019-11-28 01:01:53,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:01:53" (1/1) ... [2019-11-28 01:01:53,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:01:53,576 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:01:54,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:01:54,113 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:01:54,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:01:54,246 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:01:54,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:54 WrapperNode [2019-11-28 01:01:54,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:01:54,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:01:54,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:01:54,248 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:01:54,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:54" (1/1) ... [2019-11-28 01:01:54,284 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:54" (1/1) ... [2019-11-28 01:01:54,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:01:54,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:01:54,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:01:54,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:01:54,318 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:54" (1/1) ... [2019-11-28 01:01:54,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:54" (1/1) ... [2019-11-28 01:01:54,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:54" (1/1) ... [2019-11-28 01:01:54,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:54" (1/1) ... [2019-11-28 01:01:54,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:54" (1/1) ... [2019-11-28 01:01:54,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:54" (1/1) ... [2019-11-28 01:01:54,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:54" (1/1) ... [2019-11-28 01:01:54,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:01:54,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:01:54,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:01:54,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:01:54,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:54" (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 01:01:54,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:01:54,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:01:54,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:01:54,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:01:54,412 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:01:54,412 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:01:54,412 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:01:54,412 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:01:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:01:54,413 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:01:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:01:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:01:54,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:01:54,415 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 01:01:54,817 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 01:01:54,824 INFO L168 Benchmark]: Toolchain (without parser) took 1320.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -125.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:54,824 INFO L168 Benchmark]: CDTParser took 0.27 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 01:01:54,826 INFO L168 Benchmark]: CACSL2BoogieTranslator took 744.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -150.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:54,826 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.00 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 01:01:54,827 INFO L168 Benchmark]: Boogie Preprocessor took 31.30 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 01:01:54,828 INFO L168 Benchmark]: RCFGBuilder took 478.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:54,832 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 744.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -150.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 62.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 478.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...