./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix038_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/mix038_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 fac8185ba1789c44839fcaa57ffbaa9b04db35d8 ........................................................................................................................................................................................... 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/mix038_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 fac8185ba1789c44839fcaa57ffbaa9b04db35d8 ............................................................................................................................................................................................. 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 00:57:11,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:57:11,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:57:11,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:57:11,853 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:57:11,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:57:11,858 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:57:11,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:57:11,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:57:11,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:57:11,880 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:57:11,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:57:11,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:57:11,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:57:11,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:57:11,889 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:57:11,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:57:11,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:57:11,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:57:11,899 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:57:11,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:57:11,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:57:11,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:57:11,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:57:11,914 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:57:11,914 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:57:11,914 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:57:11,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:57:11,917 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:57:11,918 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:57:11,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:57:11,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:57:11,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:57:11,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:57:11,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:57:11,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:57:11,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:57:11,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:57:11,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:57:11,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:57:11,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:57:11,927 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:57:11,967 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:57:11,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:57:11,971 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:57:11,972 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:57:11,972 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:57:11,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:57:11,973 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:57:11,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:57:11,973 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:57:11,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:57:11,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:57:11,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:57:11,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:57:11,976 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:57:11,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:57:11,977 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:57:11,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:57:11,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:57:11,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:57:11,978 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:57:11,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:57:11,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:57:11,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:57:11,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:57:11,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:57:11,981 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:57:11,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:57:11,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:57:11,982 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 -> fac8185ba1789c44839fcaa57ffbaa9b04db35d8 [2019-11-28 00:57:12,338 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:57:12,354 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:57:12,357 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:57:12,359 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:57:12,360 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:57:12,362 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix038_power.opt.i [2019-11-28 00:57:12,438 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/863fbf7d2/b6287aa4b490420ca7b40bfc1a41d74c/FLAGbcc7f268f [2019-11-28 00:57:13,076 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:57:13,078 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix038_power.opt.i [2019-11-28 00:57:13,101 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/863fbf7d2/b6287aa4b490420ca7b40bfc1a41d74c/FLAGbcc7f268f [2019-11-28 00:57:13,438 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/863fbf7d2/b6287aa4b490420ca7b40bfc1a41d74c [2019-11-28 00:57:13,442 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:57:13,443 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:57:13,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:57:13,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:57:13,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:57:13,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:57:13" (1/1) ... [2019-11-28 00:57:13,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ad95f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:13, skipping insertion in model container [2019-11-28 00:57:13,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:57:13" (1/1) ... [2019-11-28 00:57:13,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:57:13,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:57:14,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:57:14,069 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:57:14,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:57:14,212 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:57:14,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:14 WrapperNode [2019-11-28 00:57:14,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:57:14,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:57:14,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:57:14,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:57:14,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:14" (1/1) ... [2019-11-28 00:57:14,242 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:14" (1/1) ... [2019-11-28 00:57:14,276 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:57:14,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:57:14,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:57:14,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:57:14,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:14" (1/1) ... [2019-11-28 00:57:14,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:14" (1/1) ... [2019-11-28 00:57:14,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:14" (1/1) ... [2019-11-28 00:57:14,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:14" (1/1) ... [2019-11-28 00:57:14,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:14" (1/1) ... [2019-11-28 00:57:14,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:14" (1/1) ... [2019-11-28 00:57:14,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:14" (1/1) ... [2019-11-28 00:57:14,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:57:14,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:57:14,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:57:14,324 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:57:14,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:14" (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 00:57:14,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:57:14,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:57:14,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:57:14,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:57:14,383 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:57:14,383 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:57:14,383 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:57:14,384 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:57:14,384 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 00:57:14,384 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 00:57:14,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:57:14,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:57:14,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:57:14,386 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 00:57:15,084 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 00:57:15,091 INFO L168 Benchmark]: Toolchain (without parser) took 1646.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 960.3 MB in the beginning and 1.0 GB in the end (delta: -75.5 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:15,092 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:57:15,093 INFO L168 Benchmark]: CACSL2BoogieTranslator took 769.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -132.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:15,094 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:57:15,095 INFO L168 Benchmark]: Boogie Preprocessor took 39.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:15,096 INFO L168 Benchmark]: RCFGBuilder took 764.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.8 MB). Peak memory consumption was 44.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:15,100 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 769.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -132.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.92 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 39.58 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 764.48 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: 44.8 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... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:57:17,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:57:17,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:57:17,131 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:57:17,131 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:57:17,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:57:17,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:57:17,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:57:17,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:57:17,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:57:17,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:57:17,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:57:17,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:57:17,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:57:17,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:57:17,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:57:17,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:57:17,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:57:17,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:57:17,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:57:17,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:57:17,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:57:17,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:57:17,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:57:17,196 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:57:17,197 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:57:17,197 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:57:17,199 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:57:17,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:57:17,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:57:17,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:57:17,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:57:17,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:57:17,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:57:17,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:57:17,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:57:17,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:57:17,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:57:17,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:57:17,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:57:17,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:57:17,211 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:57:17,250 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:57:17,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:57:17,251 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:57:17,252 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:57:17,253 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:57:17,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:57:17,253 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:57:17,253 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:57:17,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:57:17,254 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:57:17,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:57:17,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:57:17,255 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:57:17,256 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:57:17,256 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:57:17,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:57:17,256 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:57:17,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:57:17,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:57:17,257 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:57:17,258 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:57:17,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:57:17,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:57:17,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:57:17,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:57:17,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:57:17,259 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:57:17,259 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:57:17,259 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:57:17,260 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:57:17,260 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 -> fac8185ba1789c44839fcaa57ffbaa9b04db35d8 [2019-11-28 00:57:17,591 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:57:17,606 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:57:17,609 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:57:17,611 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:57:17,611 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:57:17,613 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix038_power.opt.i [2019-11-28 00:57:17,684 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00e114851/4374455ea8504defb39a35aa44f4c981/FLAG2188ff965 [2019-11-28 00:57:18,300 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:57:18,301 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix038_power.opt.i [2019-11-28 00:57:18,316 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00e114851/4374455ea8504defb39a35aa44f4c981/FLAG2188ff965 [2019-11-28 00:57:18,546 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00e114851/4374455ea8504defb39a35aa44f4c981 [2019-11-28 00:57:18,550 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:57:18,552 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:57:18,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:57:18,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:57:18,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:57:18,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:57:18" (1/1) ... [2019-11-28 00:57:18,561 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dc7dcd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:18, skipping insertion in model container [2019-11-28 00:57:18,561 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:57:18" (1/1) ... [2019-11-28 00:57:18,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:57:18,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:57:19,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:57:19,138 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:57:19,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:57:19,317 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:57:19,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:19 WrapperNode [2019-11-28 00:57:19,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:57:19,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:57:19,319 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:57:19,319 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:57:19,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:19" (1/1) ... [2019-11-28 00:57:19,352 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:19" (1/1) ... [2019-11-28 00:57:19,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:57:19,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:57:19,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:57:19,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:57:19,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:19" (1/1) ... [2019-11-28 00:57:19,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:19" (1/1) ... [2019-11-28 00:57:19,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:19" (1/1) ... [2019-11-28 00:57:19,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:19" (1/1) ... [2019-11-28 00:57:19,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:19" (1/1) ... [2019-11-28 00:57:19,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:19" (1/1) ... [2019-11-28 00:57:19,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:19" (1/1) ... [2019-11-28 00:57:19,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:57:19,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:57:19,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:57:19,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:57:19,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:19" (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 00:57:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:57:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:57:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:57:19,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 00:57:19,492 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:57:19,492 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:57:19,492 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:57:19,493 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:57:19,494 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 00:57:19,494 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 00:57:19,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:57:19,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:57:19,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:57:19,497 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 00:57:20,184 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 00:57:20,190 INFO L168 Benchmark]: Toolchain (without parser) took 1637.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 67.6 MB). Free memory was 951.0 MB in the beginning and 979.3 MB in the end (delta: -28.3 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:20,191 INFO L168 Benchmark]: CDTParser took 0.21 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 00:57:20,192 INFO L168 Benchmark]: CACSL2BoogieTranslator took 764.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 67.6 MB). Free memory was 945.6 MB in the beginning and 1.0 GB in the end (delta: -87.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:20,193 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.05 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 00:57:20,194 INFO L168 Benchmark]: Boogie Preprocessor took 43.45 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 00:57:20,195 INFO L168 Benchmark]: RCFGBuilder took 759.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 979.3 MB in the end (delta: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:20,199 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 764.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 67.6 MB). Free memory was 945.6 MB in the beginning and 1.0 GB in the end (delta: -87.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.45 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 759.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 979.3 MB in the end (delta: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...