./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix036_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix036_rmo.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d388ab1cdabcd8ce0c288474f9782d914b4327ba ............................................................................................................................................................................................. 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/mix036_rmo.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d388ab1cdabcd8ce0c288474f9782d914b4327ba ............................................................................................................................................................................................... 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 00:57:04,407 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:57:04,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:57:04,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:57:04,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:57:04,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:57:04,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:57:04,441 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:57:04,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:57:04,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:57:04,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:57:04,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:57:04,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:57:04,454 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:57:04,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:57:04,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:57:04,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:57:04,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:57:04,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:57:04,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:57:04,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:57:04,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:57:04,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:57:04,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:57:04,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:57:04,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:57:04,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:57:04,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:57:04,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:57:04,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:57:04,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:57:04,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:57:04,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:57:04,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:57:04,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:57:04,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:57:04,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:57:04,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:57:04,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:57:04,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:57:04,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:57:04,490 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:57:04,519 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:57:04,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:57:04,520 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:57:04,521 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:57:04,521 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:57:04,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:57:04,521 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:57:04,521 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:57:04,522 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:57:04,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:57:04,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:57:04,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:57:04,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:57:04,523 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:57:04,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:57:04,523 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:57:04,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:57:04,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:57:04,524 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:57:04,524 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:57:04,524 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:57:04,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:57:04,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:57:04,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:57:04,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:57:04,525 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:57:04,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:57:04,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:57:04,526 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 -> d388ab1cdabcd8ce0c288474f9782d914b4327ba [2019-11-28 00:57:04,803 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:57:04,816 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:57:04,819 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:57:04,821 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:57:04,821 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:57:04,822 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix036_rmo.opt.i [2019-11-28 00:57:04,888 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/436b4aec0/bfe06c19296a482e97fab3230fdc565e/FLAG1732232e5 [2019-11-28 00:57:05,416 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:57:05,417 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix036_rmo.opt.i [2019-11-28 00:57:05,433 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/436b4aec0/bfe06c19296a482e97fab3230fdc565e/FLAG1732232e5 [2019-11-28 00:57:05,697 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/436b4aec0/bfe06c19296a482e97fab3230fdc565e [2019-11-28 00:57:05,700 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:57:05,701 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:57:05,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:57:05,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:57:05,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:57:05,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:57:05" (1/1) ... [2019-11-28 00:57:05,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b1cb90c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:05, skipping insertion in model container [2019-11-28 00:57:05,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:57:05" (1/1) ... [2019-11-28 00:57:05,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:57:05,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:57:06,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:57:06,323 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:57:06,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:57:06,475 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:57:06,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:06 WrapperNode [2019-11-28 00:57:06,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:57:06,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:57:06,477 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:57:06,477 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:57:06,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:06" (1/1) ... [2019-11-28 00:57:06,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:06" (1/1) ... [2019-11-28 00:57:06,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:57:06,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:57:06,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:57:06,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:57:06,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:06" (1/1) ... [2019-11-28 00:57:06,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:06" (1/1) ... [2019-11-28 00:57:06,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:06" (1/1) ... [2019-11-28 00:57:06,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:06" (1/1) ... [2019-11-28 00:57:06,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:06" (1/1) ... [2019-11-28 00:57:06,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:06" (1/1) ... [2019-11-28 00:57:06,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:06" (1/1) ... [2019-11-28 00:57:06,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:57:06,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:57:06,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:57:06,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:57:06,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:06" (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 00:57:06,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:57:06,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:57:06,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:57:06,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:57:06,639 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:57:06,639 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:57:06,639 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:57:06,639 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:57:06,639 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 00:57:06,639 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 00:57:06,640 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-28 00:57:06,640 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-28 00:57:06,640 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:57:06,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:57:06,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:57:06,642 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 00:57:07,422 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 00:57:07,429 INFO L168 Benchmark]: Toolchain (without parser) took 1726.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 956.3 MB in the beginning and 1.0 GB in the end (delta: -93.3 MB). Peak memory consumption was 50.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:07,429 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:57:07,431 INFO L168 Benchmark]: CACSL2BoogieTranslator took 774.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -156.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:07,432 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:07,432 INFO L168 Benchmark]: Boogie Preprocessor took 37.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:57:07,433 INFO L168 Benchmark]: RCFGBuilder took 844.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:07,442 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 774.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -156.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 844.31 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: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:57:09,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:57:09,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:57:09,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:57:09,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:57:09,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:57:09,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:57:09,445 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:57:09,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:57:09,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:57:09,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:57:09,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:57:09,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:57:09,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:57:09,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:57:09,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:57:09,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:57:09,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:57:09,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:57:09,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:57:09,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:57:09,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:57:09,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:57:09,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:57:09,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:57:09,465 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:57:09,465 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:57:09,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:57:09,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:57:09,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:57:09,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:57:09,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:57:09,469 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:57:09,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:57:09,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:57:09,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:57:09,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:57:09,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:57:09,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:57:09,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:57:09,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:57:09,475 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:57:09,489 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:57:09,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:57:09,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:57:09,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:57:09,491 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:57:09,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:57:09,492 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:57:09,492 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:57:09,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:57:09,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:57:09,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:57:09,493 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:57:09,493 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:57:09,493 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:57:09,493 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:57:09,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:57:09,494 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:57:09,494 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:57:09,494 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:57:09,494 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:57:09,495 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:57:09,495 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:57:09,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:57:09,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:57:09,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:57:09,496 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:57:09,496 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:57:09,496 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:57:09,496 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:57:09,497 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:57:09,497 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 -> d388ab1cdabcd8ce0c288474f9782d914b4327ba [2019-11-28 00:57:09,805 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:57:09,818 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:57:09,822 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:57:09,823 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:57:09,823 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:57:09,824 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix036_rmo.opt.i [2019-11-28 00:57:09,895 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8a7ecc0b/bf6fdcaf53704676aed40f760171acc1/FLAGe0de3ebc0 [2019-11-28 00:57:10,441 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:57:10,442 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix036_rmo.opt.i [2019-11-28 00:57:10,464 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8a7ecc0b/bf6fdcaf53704676aed40f760171acc1/FLAGe0de3ebc0 [2019-11-28 00:57:10,899 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8a7ecc0b/bf6fdcaf53704676aed40f760171acc1 [2019-11-28 00:57:10,902 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:57:10,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:57:10,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:57:10,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:57:10,910 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:57:10,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:57:10" (1/1) ... [2019-11-28 00:57:10,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3baf290e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:10, skipping insertion in model container [2019-11-28 00:57:10,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:57:10" (1/1) ... [2019-11-28 00:57:10,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:57:10,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:57:11,465 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:57:11,487 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:57:11,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:57:11,678 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:57:11,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:11 WrapperNode [2019-11-28 00:57:11,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:57:11,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:57:11,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:57:11,680 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:57:11,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:11" (1/1) ... [2019-11-28 00:57:11,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:11" (1/1) ... [2019-11-28 00:57:11,741 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:57:11,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:57:11,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:57:11,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:57:11,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:11" (1/1) ... [2019-11-28 00:57:11,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:11" (1/1) ... [2019-11-28 00:57:11,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:11" (1/1) ... [2019-11-28 00:57:11,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:11" (1/1) ... [2019-11-28 00:57:11,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:11" (1/1) ... [2019-11-28 00:57:11,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:11" (1/1) ... [2019-11-28 00:57:11,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:11" (1/1) ... [2019-11-28 00:57:11,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:57:11,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:57:11,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:57:11,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:57:11,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:11" (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 00:57:11,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:57:11,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:57:11,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:57:11,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 00:57:11,864 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:57:11,864 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:57:11,864 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:57:11,864 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:57:11,865 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 00:57:11,865 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 00:57:11,865 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-28 00:57:11,865 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-28 00:57:11,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:57:11,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:57:11,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:57:11,868 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 00:57:12,595 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 00:57:12,601 INFO L168 Benchmark]: Toolchain (without parser) took 1695.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 957.7 MB in the beginning and 1.0 GB in the end (delta: -87.2 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:12,601 INFO L168 Benchmark]: CDTParser took 0.26 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 00:57:12,602 INFO L168 Benchmark]: CACSL2BoogieTranslator took 774.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -145.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:12,603 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.14 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 00:57:12,604 INFO L168 Benchmark]: Boogie Preprocessor took 46.77 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 00:57:12,605 INFO L168 Benchmark]: RCFGBuilder took 809.01 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: 57.8 MB). Peak memory consumption was 57.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:12,608 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 774.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -145.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 62.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 809.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 57.8 MB). Peak memory consumption was 57.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...