./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix042_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/mix042_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 846662d2a7b38e490c5ddfd459f634297670fb88 ........................................................................................................................................................................................... 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/mix042_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 846662d2a7b38e490c5ddfd459f634297670fb88 ............................................................................................................................................................................................. 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 00:57:38,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:57:38,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:57:38,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:57:38,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:57:38,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:57:38,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:57:38,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:57:38,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:57:38,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:57:38,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:57:38,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:57:38,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:57:38,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:57:38,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:57:38,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:57:38,673 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:57:38,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:57:38,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:57:38,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:57:38,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:57:38,681 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:57:38,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:57:38,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:57:38,687 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:57:38,688 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:57:38,688 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:57:38,689 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:57:38,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:57:38,691 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:57:38,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:57:38,692 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:57:38,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:57:38,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:57:38,695 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:57:38,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:57:38,696 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:57:38,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:57:38,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:57:38,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:57:38,698 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:57:38,699 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:57:38,714 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:57:38,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:57:38,715 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:57:38,716 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:57:38,716 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:57:38,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:57:38,716 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:57:38,716 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:57:38,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:57:38,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:57:38,717 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:57:38,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:57:38,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:57:38,718 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:57:38,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:57:38,718 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:57:38,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:57:38,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:57:38,719 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:57:38,719 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:57:38,719 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:57:38,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:57:38,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:57:38,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:57:38,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:57:38,720 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:57:38,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:57:38,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:57:38,721 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 -> 846662d2a7b38e490c5ddfd459f634297670fb88 [2019-11-28 00:57:39,080 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:57:39,097 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:57:39,101 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:57:39,103 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:57:39,103 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:57:39,104 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix042_power.opt.i [2019-11-28 00:57:39,181 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afd15b969/c65eb76157a14f3d8334ab7bb3d2de5b/FLAG4dc147e9f [2019-11-28 00:57:39,802 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:57:39,804 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix042_power.opt.i [2019-11-28 00:57:39,833 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afd15b969/c65eb76157a14f3d8334ab7bb3d2de5b/FLAG4dc147e9f [2019-11-28 00:57:40,039 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afd15b969/c65eb76157a14f3d8334ab7bb3d2de5b [2019-11-28 00:57:40,044 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:57:40,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:57:40,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:57:40,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:57:40,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:57:40,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:57:40" (1/1) ... [2019-11-28 00:57:40,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f384efe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:40, skipping insertion in model container [2019-11-28 00:57:40,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:57:40" (1/1) ... [2019-11-28 00:57:40,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:57:40,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:57:40,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:57:40,669 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:57:40,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:57:40,845 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:57:40,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:40 WrapperNode [2019-11-28 00:57:40,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:57:40,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:57:40,847 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:57:40,847 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:57:40,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:40" (1/1) ... [2019-11-28 00:57:40,877 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:40" (1/1) ... [2019-11-28 00:57:40,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:57:40,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:57:40,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:57:40,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:57:40,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:40" (1/1) ... [2019-11-28 00:57:40,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:40" (1/1) ... [2019-11-28 00:57:40,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:40" (1/1) ... [2019-11-28 00:57:40,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:40" (1/1) ... [2019-11-28 00:57:40,949 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:40" (1/1) ... [2019-11-28 00:57:40,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:40" (1/1) ... [2019-11-28 00:57:40,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:40" (1/1) ... [2019-11-28 00:57:40,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:57:40,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:57:40,966 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:57:40,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:57:40,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:40" (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 00:57:41,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:57:41,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:57:41,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:57:41,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:57:41,033 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:57:41,034 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:57:41,034 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:57:41,034 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:57:41,034 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 00:57:41,035 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 00:57:41,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:57:41,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:57:41,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:57:41,037 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 00:57:41,797 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 00:57:41,804 INFO L168 Benchmark]: Toolchain (without parser) took 1756.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.5 MB). Free memory was 960.4 MB in the beginning and 987.3 MB in the end (delta: -27.0 MB). Peak memory consumption was 48.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:41,804 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:57:41,806 INFO L168 Benchmark]: CACSL2BoogieTranslator took 796.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.5 MB). Free memory was 955.0 MB in the beginning and 1.0 GB in the end (delta: -86.3 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:41,806 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.35 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:57:41,807 INFO L168 Benchmark]: Boogie Preprocessor took 48.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:41,808 INFO L168 Benchmark]: RCFGBuilder took 834.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 987.3 MB in the end (delta: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:41,812 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 796.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.5 MB). Free memory was 955.0 MB in the beginning and 1.0 GB in the end (delta: -86.3 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.35 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 834.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 987.3 MB in the end (delta: 46.9 MB). Peak memory consumption was 46.9 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 00:57:43,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:57:43,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:57:43,929 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:57:43,930 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:57:43,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:57:43,934 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:57:43,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:57:43,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:57:43,952 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:57:43,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:57:43,956 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:57:43,956 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:57:43,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:57:43,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:57:43,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:57:43,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:57:43,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:57:43,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:57:43,977 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:57:43,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:57:43,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:57:43,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:57:43,989 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:57:43,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:57:43,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:57:43,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:57:43,997 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:57:43,997 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:57:43,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:57:43,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:57:43,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:57:44,000 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:57:44,002 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:57:44,003 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:57:44,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:57:44,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:57:44,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:57:44,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:57:44,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:57:44,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:57:44,010 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:57:44,031 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:57:44,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:57:44,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:57:44,035 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:57:44,035 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:57:44,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:57:44,036 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:57:44,036 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:57:44,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:57:44,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:57:44,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:57:44,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:57:44,038 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:57:44,038 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:57:44,039 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:57:44,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:57:44,039 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:57:44,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:57:44,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:57:44,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:57:44,040 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:57:44,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:57:44,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:57:44,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:57:44,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:57:44,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:57:44,041 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:57:44,042 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:57:44,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:57:44,042 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:57:44,042 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 -> 846662d2a7b38e490c5ddfd459f634297670fb88 [2019-11-28 00:57:44,368 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:57:44,389 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:57:44,393 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:57:44,395 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:57:44,395 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:57:44,397 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix042_power.opt.i [2019-11-28 00:57:44,466 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32c60ae7e/7579ed21a2224e66b384817ccf826e98/FLAG19c2d86f9 [2019-11-28 00:57:45,050 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:57:45,051 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix042_power.opt.i [2019-11-28 00:57:45,071 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32c60ae7e/7579ed21a2224e66b384817ccf826e98/FLAG19c2d86f9 [2019-11-28 00:57:45,335 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32c60ae7e/7579ed21a2224e66b384817ccf826e98 [2019-11-28 00:57:45,339 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:57:45,341 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:57:45,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:57:45,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:57:45,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:57:45,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:57:45" (1/1) ... [2019-11-28 00:57:45,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29271dbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:45, skipping insertion in model container [2019-11-28 00:57:45,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:57:45" (1/1) ... [2019-11-28 00:57:45,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:57:45,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:57:45,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:57:45,943 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:57:46,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:57:46,136 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:57:46,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:46 WrapperNode [2019-11-28 00:57:46,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:57:46,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:57:46,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:57:46,138 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:57:46,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:46" (1/1) ... [2019-11-28 00:57:46,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:46" (1/1) ... [2019-11-28 00:57:46,216 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:57:46,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:57:46,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:57:46,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:57:46,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:46" (1/1) ... [2019-11-28 00:57:46,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:46" (1/1) ... [2019-11-28 00:57:46,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:46" (1/1) ... [2019-11-28 00:57:46,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:46" (1/1) ... [2019-11-28 00:57:46,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:46" (1/1) ... [2019-11-28 00:57:46,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:46" (1/1) ... [2019-11-28 00:57:46,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:46" (1/1) ... [2019-11-28 00:57:46,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:57:46,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:57:46,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:57:46,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:57:46,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:46" (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 00:57:46,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:57:46,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:57:46,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:57:46,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 00:57:46,346 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:57:46,346 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:57:46,346 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:57:46,346 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:57:46,347 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 00:57:46,348 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 00:57:46,348 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:57:46,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:57:46,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:57:46,351 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 00:57:47,056 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 00:57:47,065 INFO L168 Benchmark]: Toolchain (without parser) took 1722.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 70.3 MB). Free memory was 951.0 MB in the beginning and 980.1 MB in the end (delta: -29.2 MB). Peak memory consumption was 41.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:47,065 INFO L168 Benchmark]: CDTParser took 0.35 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 00:57:47,067 INFO L168 Benchmark]: CACSL2BoogieTranslator took 795.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 70.3 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -84.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:47,068 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:47,069 INFO L168 Benchmark]: Boogie Preprocessor took 45.66 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:57:47,071 INFO L168 Benchmark]: RCFGBuilder took 798.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 980.1 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:47,077 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 795.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 70.3 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -84.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.66 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 798.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 980.1 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...