./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe025_rmo.oepc.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/safe025_rmo.oepc.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 fc0bf39bc1668a697b1a481d4b73047e9df0557e ............................................................................................................................................................................................. 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/safe025_rmo.oepc.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 fc0bf39bc1668a697b1a481d4b73047e9df0557e ............................................................................................................................................................................................... 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 01:03:08,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:03:08,421 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:03:08,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:03:08,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:03:08,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:03:08,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:03:08,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:03:08,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:03:08,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:03:08,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:03:08,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:03:08,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:03:08,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:03:08,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:03:08,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:03:08,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:03:08,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:03:08,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:03:08,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:03:08,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:03:08,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:03:08,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:03:08,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:03:08,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:03:08,475 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:03:08,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:03:08,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:03:08,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:03:08,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:03:08,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:03:08,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:03:08,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:03:08,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:03:08,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:03:08,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:03:08,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:03:08,483 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:03:08,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:03:08,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:03:08,485 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:03:08,486 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:03:08,501 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:03:08,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:03:08,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:03:08,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:03:08,504 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:03:08,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:03:08,504 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:03:08,505 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:03:08,505 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:03:08,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:03:08,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:03:08,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:03:08,506 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:03:08,506 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:03:08,507 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:03:08,507 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:03:08,507 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:03:08,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:03:08,508 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:03:08,508 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:03:08,508 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:03:08,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:03:08,509 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:03:08,509 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:03:08,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:03:08,510 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:03:08,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:03:08,510 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:03:08,511 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 -> fc0bf39bc1668a697b1a481d4b73047e9df0557e [2019-11-28 01:03:08,820 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:03:08,833 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:03:08,837 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:03:08,839 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:03:08,839 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:03:08,840 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe025_rmo.oepc.i [2019-11-28 01:03:08,920 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f2ff6eea/9333d5faeb124368a3f14ed855671cd4/FLAGd8089bcc2 [2019-11-28 01:03:09,485 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:03:09,486 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe025_rmo.oepc.i [2019-11-28 01:03:09,516 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f2ff6eea/9333d5faeb124368a3f14ed855671cd4/FLAGd8089bcc2 [2019-11-28 01:03:09,750 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f2ff6eea/9333d5faeb124368a3f14ed855671cd4 [2019-11-28 01:03:09,754 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:03:09,756 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:03:09,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:03:09,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:03:09,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:03:09,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:03:09" (1/1) ... [2019-11-28 01:03:09,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a48a79f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:09, skipping insertion in model container [2019-11-28 01:03:09,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:03:09" (1/1) ... [2019-11-28 01:03:09,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:03:09,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:03:10,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:03:10,439 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:03:10,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:03:10,601 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:03:10,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:10 WrapperNode [2019-11-28 01:03:10,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:03:10,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:03:10,603 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:03:10,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:03:10,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:10" (1/1) ... [2019-11-28 01:03:10,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:10" (1/1) ... [2019-11-28 01:03:10,700 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:03:10,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:03:10,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:03:10,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:03:10,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:10" (1/1) ... [2019-11-28 01:03:10,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:10" (1/1) ... [2019-11-28 01:03:10,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:10" (1/1) ... [2019-11-28 01:03:10,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:10" (1/1) ... [2019-11-28 01:03:10,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:10" (1/1) ... [2019-11-28 01:03:10,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:10" (1/1) ... [2019-11-28 01:03:10,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:10" (1/1) ... [2019-11-28 01:03:10,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:03:10,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:03:10,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:03:10,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:03:10,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:03:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 01:03:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:03:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:03:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:03:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:03:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:03:10,876 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:03:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:03:10,876 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:03:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:03:10,877 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:03:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 01:03:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:03:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:03:10,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:03:10,881 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 01:03:12,046 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:03:12,054 INFO L168 Benchmark]: Toolchain (without parser) took 2296.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 949.6 MB in the beginning and 989.9 MB in the end (delta: -40.3 MB). Peak memory consumption was 74.0 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:12,055 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:03:12,056 INFO L168 Benchmark]: CACSL2BoogieTranslator took 845.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -119.6 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:12,057 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.91 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:03:12,058 INFO L168 Benchmark]: Boogie Preprocessor took 89.16 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:03:12,059 INFO L168 Benchmark]: RCFGBuilder took 1258.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 989.9 MB in the end (delta: 79.3 MB). Peak memory consumption was 79.3 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:12,063 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 845.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -119.6 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 98.91 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 89.16 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 1258.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 989.9 MB in the end (delta: 79.3 MB). Peak memory consumption was 79.3 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 01:03:14,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:03:14,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:03:14,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:03:14,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:03:14,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:03:14,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:03:14,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:03:14,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:03:14,147 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:03:14,148 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:03:14,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:03:14,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:03:14,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:03:14,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:03:14,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:03:14,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:03:14,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:03:14,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:03:14,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:03:14,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:03:14,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:03:14,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:03:14,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:03:14,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:03:14,178 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:03:14,178 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:03:14,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:03:14,181 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:03:14,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:03:14,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:03:14,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:03:14,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:03:14,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:03:14,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:03:14,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:03:14,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:03:14,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:03:14,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:03:14,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:03:14,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:03:14,191 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:03:14,218 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:03:14,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:03:14,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:03:14,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:03:14,230 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:03:14,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:03:14,232 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:03:14,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:03:14,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:03:14,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:03:14,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:03:14,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:03:14,235 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:03:14,235 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:03:14,235 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:03:14,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:03:14,236 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:03:14,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:03:14,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:03:14,238 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:03:14,238 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:03:14,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:03:14,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:03:14,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:03:14,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:03:14,241 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:03:14,243 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:03:14,243 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:03:14,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:03:14,244 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:03:14,244 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 -> fc0bf39bc1668a697b1a481d4b73047e9df0557e [2019-11-28 01:03:14,539 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:03:14,551 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:03:14,555 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:03:14,556 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:03:14,557 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:03:14,558 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe025_rmo.oepc.i [2019-11-28 01:03:14,634 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e93607b0d/0a076437d4554f928bc810adbd6658b1/FLAGb34432de4 [2019-11-28 01:03:15,150 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:03:15,151 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe025_rmo.oepc.i [2019-11-28 01:03:15,172 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e93607b0d/0a076437d4554f928bc810adbd6658b1/FLAGb34432de4 [2019-11-28 01:03:15,496 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e93607b0d/0a076437d4554f928bc810adbd6658b1 [2019-11-28 01:03:15,499 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:03:15,500 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:03:15,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:03:15,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:03:15,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:03:15,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:03:15" (1/1) ... [2019-11-28 01:03:15,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f8bbb41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:15, skipping insertion in model container [2019-11-28 01:03:15,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:03:15" (1/1) ... [2019-11-28 01:03:15,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:03:15,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:03:16,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:03:16,148 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:03:16,258 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:03:16,352 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:03:16,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:16 WrapperNode [2019-11-28 01:03:16,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:03:16,354 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:03:16,354 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:03:16,354 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:03:16,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:16" (1/1) ... [2019-11-28 01:03:16,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:16" (1/1) ... [2019-11-28 01:03:16,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:03:16,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:03:16,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:03:16,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:03:16,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:16" (1/1) ... [2019-11-28 01:03:16,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:16" (1/1) ... [2019-11-28 01:03:16,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:16" (1/1) ... [2019-11-28 01:03:16,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:16" (1/1) ... [2019-11-28 01:03:16,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:16" (1/1) ... [2019-11-28 01:03:16,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:16" (1/1) ... [2019-11-28 01:03:16,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:16" (1/1) ... [2019-11-28 01:03:16,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:03:16,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:03:16,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:03:16,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:03:16,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:16" (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 01:03:16,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 01:03:16,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:03:16,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:03:16,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:03:16,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:03:16,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-11-28 01:03:16,606 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:03:16,606 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:03:16,607 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:03:16,608 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:03:16,608 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:03:16,608 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:03:16,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:03:16,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:03:16,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:03:16,612 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 01:03:17,814 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 01:03:17,819 INFO L168 Benchmark]: Toolchain (without parser) took 2318.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 952.3 MB in the beginning and 1.0 GB in the end (delta: -71.4 MB). Peak memory consumption was 81.1 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:17,820 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:03:17,821 INFO L168 Benchmark]: CACSL2BoogieTranslator took 852.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -155.2 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:17,822 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.66 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 01:03:17,823 INFO L168 Benchmark]: Boogie Preprocessor took 56.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:17,824 INFO L168 Benchmark]: RCFGBuilder took 1295.00 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: 77.1 MB). Peak memory consumption was 77.1 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:17,828 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 852.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -155.2 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 110.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1295.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 77.1 MB). Peak memory consumption was 77.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...