./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix048_power.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/mix048_power.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 03d7fdc6ef9000531d5f5cd5cff39c361bd59c55 ......................................................................................................................................................................................... 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/mix048_power.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 03d7fdc6ef9000531d5f5cd5cff39c361bd59c55 ........................................................................................................................................................................................... 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 00:58:13,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:58:13,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:58:13,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:58:13,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:58:13,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:58:13,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:58:13,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:58:13,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:58:13,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:58:13,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:58:13,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:58:13,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:58:13,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:58:13,479 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:58:13,481 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:58:13,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:58:13,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:58:13,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:58:13,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:58:13,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:58:13,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:58:13,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:58:13,505 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:58:13,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:58:13,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:58:13,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:58:13,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:58:13,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:58:13,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:58:13,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:58:13,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:58:13,515 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:58:13,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:58:13,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:58:13,519 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:58:13,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:58:13,520 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:58:13,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:58:13,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:58:13,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:58:13,524 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:58:13,561 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:58:13,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:58:13,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:58:13,566 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:58:13,566 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:58:13,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:58:13,569 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:58:13,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:58:13,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:58:13,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:58:13,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:58:13,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:58:13,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:58:13,572 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:58:13,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:58:13,572 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:58:13,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:58:13,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:58:13,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:58:13,575 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:58:13,575 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:58:13,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:58:13,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:58:13,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:58:13,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:58:13,577 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:58:13,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:58:13,578 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:58:13,578 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 -> 03d7fdc6ef9000531d5f5cd5cff39c361bd59c55 [2019-11-28 00:58:13,944 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:58:13,962 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:58:13,965 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:58:13,967 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:58:13,967 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:58:13,969 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix048_power.opt.i [2019-11-28 00:58:14,044 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc6c0d091/b6078c32ec834dad8a544fc921f4eabd/FLAG4d34b3b9c [2019-11-28 00:58:14,613 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:58:14,614 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix048_power.opt.i [2019-11-28 00:58:14,636 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc6c0d091/b6078c32ec834dad8a544fc921f4eabd/FLAG4d34b3b9c [2019-11-28 00:58:14,869 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc6c0d091/b6078c32ec834dad8a544fc921f4eabd [2019-11-28 00:58:14,873 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:58:14,875 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:58:14,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:58:14,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:58:14,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:58:14,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:58:14" (1/1) ... [2019-11-28 00:58:14,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ad7dbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:14, skipping insertion in model container [2019-11-28 00:58:14,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:58:14" (1/1) ... [2019-11-28 00:58:14,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:58:14,954 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:58:15,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:58:15,444 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:58:15,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:58:15,592 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:58:15,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:15 WrapperNode [2019-11-28 00:58:15,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:58:15,594 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:58:15,594 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:58:15,594 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:58:15,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:15" (1/1) ... [2019-11-28 00:58:15,636 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:15" (1/1) ... [2019-11-28 00:58:15,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:58:15,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:58:15,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:58:15,668 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:58:15,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:15" (1/1) ... [2019-11-28 00:58:15,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:15" (1/1) ... [2019-11-28 00:58:15,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:15" (1/1) ... [2019-11-28 00:58:15,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:15" (1/1) ... [2019-11-28 00:58:15,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:15" (1/1) ... [2019-11-28 00:58:15,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:15" (1/1) ... [2019-11-28 00:58:15,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:15" (1/1) ... [2019-11-28 00:58:15,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:58:15,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:58:15,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:58:15,705 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:58:15,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:58:15,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:58:15,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:58:15,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:58:15,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:58:15,779 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:58:15,779 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:58:15,779 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:58:15,779 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:58:15,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:58:15,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:58:15,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:58:15,782 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 00:58:16,434 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 00:58:16,441 INFO L168 Benchmark]: Toolchain (without parser) took 1565.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 960.4 MB in the beginning and 1.0 GB in the end (delta: -78.4 MB). Peak memory consumption was 49.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:58:16,442 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:58:16,443 INFO L168 Benchmark]: CACSL2BoogieTranslator took 717.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -135.4 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:58:16,444 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:58:16,445 INFO L168 Benchmark]: Boogie Preprocessor took 36.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:58:16,446 INFO L168 Benchmark]: RCFGBuilder took 733.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:58:16,452 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 717.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -135.4 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.19 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 36.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 733.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.9 MB). Peak memory consumption was 44.9 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 00:58:18,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:58:18,445 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:58:18,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:58:18,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:58:18,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:58:18,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:58:18,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:58:18,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:58:18,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:58:18,474 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:58:18,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:58:18,480 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:58:18,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:58:18,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:58:18,485 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:58:18,486 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:58:18,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:58:18,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:58:18,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:58:18,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:58:18,493 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:58:18,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:58:18,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:58:18,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:58:18,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:58:18,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:58:18,499 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:58:18,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:58:18,500 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:58:18,500 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:58:18,501 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:58:18,502 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:58:18,503 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:58:18,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:58:18,504 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:58:18,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:58:18,505 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:58:18,505 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:58:18,506 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:58:18,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:58:18,508 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:58:18,523 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:58:18,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:58:18,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:58:18,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:58:18,525 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:58:18,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:58:18,525 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:58:18,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:58:18,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:58:18,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:58:18,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:58:18,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:58:18,527 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:58:18,527 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:58:18,527 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:58:18,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:58:18,527 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:58:18,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:58:18,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:58:18,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:58:18,528 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:58:18,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:58:18,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:58:18,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:58:18,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:58:18,530 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:58:18,530 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:58:18,530 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:58:18,530 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:58:18,530 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:58:18,531 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 -> 03d7fdc6ef9000531d5f5cd5cff39c361bd59c55 [2019-11-28 00:58:18,819 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:58:18,843 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:58:18,848 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:58:18,850 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:58:18,850 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:58:18,852 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix048_power.opt.i [2019-11-28 00:58:18,925 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b6cedf4b/62982c21fbd94c17908de1a89bdae78a/FLAGe2d50f880 [2019-11-28 00:58:19,511 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:58:19,512 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix048_power.opt.i [2019-11-28 00:58:19,527 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b6cedf4b/62982c21fbd94c17908de1a89bdae78a/FLAGe2d50f880 [2019-11-28 00:58:19,777 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b6cedf4b/62982c21fbd94c17908de1a89bdae78a [2019-11-28 00:58:19,780 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:58:19,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:58:19,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:58:19,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:58:19,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:58:19,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:58:19" (1/1) ... [2019-11-28 00:58:19,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@286e58b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:19, skipping insertion in model container [2019-11-28 00:58:19,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:58:19" (1/1) ... [2019-11-28 00:58:19,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:58:19,850 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:58:20,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:58:20,497 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:58:20,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:58:20,645 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:58:20,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:20 WrapperNode [2019-11-28 00:58:20,646 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:58:20,647 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:58:20,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:58:20,647 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:58:20,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:20" (1/1) ... [2019-11-28 00:58:20,680 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:20" (1/1) ... [2019-11-28 00:58:20,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:58:20,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:58:20,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:58:20,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:58:20,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:20" (1/1) ... [2019-11-28 00:58:20,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:20" (1/1) ... [2019-11-28 00:58:20,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:20" (1/1) ... [2019-11-28 00:58:20,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:20" (1/1) ... [2019-11-28 00:58:20,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:20" (1/1) ... [2019-11-28 00:58:20,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:20" (1/1) ... [2019-11-28 00:58:20,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:20" (1/1) ... [2019-11-28 00:58:20,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:58:20,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:58:20,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:58:20,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:58:20,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:20" (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 00:58:20,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:58:20,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:58:20,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:58:20,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 00:58:20,821 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:58:20,821 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:58:20,821 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:58:20,821 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:58:20,822 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:58:20,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:58:20,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:58:20,823 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 00:58:21,584 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 00:58:21,590 INFO L168 Benchmark]: Toolchain (without parser) took 1808.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -111.7 MB). Peak memory consumption was 38.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:58:21,591 INFO L168 Benchmark]: CDTParser took 0.27 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 00:58:21,592 INFO L168 Benchmark]: CACSL2BoogieTranslator took 863.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -168.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:58:21,593 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:58:21,594 INFO L168 Benchmark]: Boogie Preprocessor took 40.36 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 00:58:21,595 INFO L168 Benchmark]: RCFGBuilder took 840.29 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: 44.8 MB). Peak memory consumption was 44.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:58:21,599 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 863.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -168.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 840.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.8 MB). Peak memory consumption was 44.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...