./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/rfi000_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/rfi000_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 1f00de7da7b6b45d2876e8ff7272563c7aa8533e ......................................................................................................................................................................................... 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/rfi000_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 1f00de7da7b6b45d2876e8ff7272563c7aa8533e ........................................................................................................................................................................................... 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 00:59:28,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:59:28,859 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:59:28,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:59:28,878 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:59:28,880 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:59:28,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:59:28,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:59:28,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:59:28,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:59:28,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:59:28,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:59:28,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:59:28,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:59:28,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:59:28,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:59:28,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:59:28,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:59:28,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:59:28,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:59:28,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:59:28,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:59:28,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:59:28,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:59:28,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:59:28,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:59:28,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:59:28,922 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:59:28,922 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:59:28,923 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:59:28,924 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:59:28,925 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:59:28,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:59:28,926 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:59:28,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:59:28,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:59:28,929 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:59:28,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:59:28,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:59:28,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:59:28,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:59:28,932 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:59:28,947 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:59:28,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:59:28,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:59:28,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:59:28,950 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:59:28,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:59:28,950 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:59:28,951 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:59:28,951 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:59:28,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:59:28,951 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:59:28,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:59:28,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:59:28,952 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:59:28,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:59:28,953 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:59:28,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:59:28,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:59:28,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:59:28,954 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:59:28,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:59:28,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:59:28,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:59:28,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:59:28,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:59:28,956 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:59:28,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:59:28,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:59:28,958 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 -> 1f00de7da7b6b45d2876e8ff7272563c7aa8533e [2019-11-28 00:59:29,309 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:59:29,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:59:29,333 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:59:29,335 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:59:29,336 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:59:29,338 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/rfi000_power.opt.i [2019-11-28 00:59:29,415 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12700d635/0b6b47c6310245daa707bb04ba371b3e/FLAGb713f35b0 [2019-11-28 00:59:29,963 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:59:29,966 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi000_power.opt.i [2019-11-28 00:59:29,980 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12700d635/0b6b47c6310245daa707bb04ba371b3e/FLAGb713f35b0 [2019-11-28 00:59:30,285 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12700d635/0b6b47c6310245daa707bb04ba371b3e [2019-11-28 00:59:30,288 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:59:30,290 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:59:30,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:59:30,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:59:30,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:59:30,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:59:30" (1/1) ... [2019-11-28 00:59:30,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a736f88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:30, skipping insertion in model container [2019-11-28 00:59:30,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:59:30" (1/1) ... [2019-11-28 00:59:30,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:59:30,361 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:59:30,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:59:30,946 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:59:31,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:59:31,122 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:59:31,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:31 WrapperNode [2019-11-28 00:59:31,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:59:31,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:59:31,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:59:31,125 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:59:31,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:31" (1/1) ... [2019-11-28 00:59:31,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:31" (1/1) ... [2019-11-28 00:59:31,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:59:31,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:59:31,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:59:31,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:59:31,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:31" (1/1) ... [2019-11-28 00:59:31,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:31" (1/1) ... [2019-11-28 00:59:31,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:31" (1/1) ... [2019-11-28 00:59:31,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:31" (1/1) ... [2019-11-28 00:59:31,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:31" (1/1) ... [2019-11-28 00:59:31,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:31" (1/1) ... [2019-11-28 00:59:31,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:31" (1/1) ... [2019-11-28 00:59:31,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:59:31,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:59:31,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:59:31,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:59:31,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:31" (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 00:59:31,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:59:31,304 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:59:31,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:59:31,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:59:31,305 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:59:31,305 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:59:31,305 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:59:31,306 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:59:31,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:59:31,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:59:31,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:59:31,309 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 00:59:32,086 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 00:59:32,094 INFO L168 Benchmark]: Toolchain (without parser) took 1802.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -106.2 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:32,095 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:59:32,096 INFO L168 Benchmark]: CACSL2BoogieTranslator took 832.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -162.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:32,098 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:32,099 INFO L168 Benchmark]: Boogie Preprocessor took 42.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:59:32,101 INFO L168 Benchmark]: RCFGBuilder took 853.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.2 MB). Peak memory consumption was 50.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:32,108 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 832.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -162.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.82 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 853.26 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: 50.2 MB). Peak memory consumption was 50.2 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... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:59:34,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:59:34,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:59:34,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:59:34,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:59:34,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:59:34,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:59:34,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:59:34,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:59:34,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:59:34,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:59:34,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:59:34,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:59:34,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:59:34,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:59:34,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:59:34,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:59:34,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:59:34,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:59:34,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:59:34,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:59:34,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:59:34,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:59:34,295 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:59:34,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:59:34,299 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:59:34,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:59:34,302 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:59:34,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:59:34,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:59:34,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:59:34,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:59:34,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:59:34,307 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:59:34,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:59:34,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:59:34,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:59:34,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:59:34,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:59:34,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:59:34,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:59:34,314 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:59:34,345 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:59:34,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:59:34,354 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:59:34,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:59:34,357 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:59:34,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:59:34,357 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:59:34,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:59:34,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:59:34,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:59:34,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:59:34,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:59:34,360 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:59:34,360 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:59:34,361 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:59:34,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:59:34,361 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:59:34,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:59:34,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:59:34,362 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:59:34,362 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:59:34,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:59:34,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:59:34,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:59:34,363 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:59:34,363 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:59:34,363 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:59:34,363 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:59:34,364 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:59:34,364 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:59:34,364 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 -> 1f00de7da7b6b45d2876e8ff7272563c7aa8533e [2019-11-28 00:59:34,677 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:59:34,696 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:59:34,699 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:59:34,702 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:59:34,703 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:59:34,704 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/rfi000_power.opt.i [2019-11-28 00:59:34,780 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c9b4ccdf/6e2a26645bd144efa4e85cbfcff37d75/FLAG6d319a71b [2019-11-28 00:59:35,383 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:59:35,384 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi000_power.opt.i [2019-11-28 00:59:35,411 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c9b4ccdf/6e2a26645bd144efa4e85cbfcff37d75/FLAG6d319a71b [2019-11-28 00:59:35,641 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c9b4ccdf/6e2a26645bd144efa4e85cbfcff37d75 [2019-11-28 00:59:35,644 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:59:35,646 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:59:35,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:59:35,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:59:35,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:59:35,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:59:35" (1/1) ... [2019-11-28 00:59:35,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c880e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:35, skipping insertion in model container [2019-11-28 00:59:35,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:59:35" (1/1) ... [2019-11-28 00:59:35,662 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:59:35,701 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:59:36,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:59:36,187 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:59:36,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:59:36,340 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:59:36,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:36 WrapperNode [2019-11-28 00:59:36,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:59:36,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:59:36,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:59:36,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:59:36,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:36" (1/1) ... [2019-11-28 00:59:36,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:36" (1/1) ... [2019-11-28 00:59:36,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:59:36,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:59:36,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:59:36,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:59:36,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:36" (1/1) ... [2019-11-28 00:59:36,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:36" (1/1) ... [2019-11-28 00:59:36,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:36" (1/1) ... [2019-11-28 00:59:36,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:36" (1/1) ... [2019-11-28 00:59:36,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:36" (1/1) ... [2019-11-28 00:59:36,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:36" (1/1) ... [2019-11-28 00:59:36,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:36" (1/1) ... [2019-11-28 00:59:36,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:59:36,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:59:36,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:59:36,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:59:36,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:36" (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 00:59:36,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:59:36,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:59:36,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:59:36,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 00:59:36,547 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:59:36,547 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:59:36,547 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:59:36,547 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:59:36,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:59:36,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:59:36,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:59:36,550 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 00:59:37,285 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 00:59:37,292 INFO L168 Benchmark]: Toolchain (without parser) took 1644.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -98.6 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:37,293 INFO L168 Benchmark]: CDTParser took 0.33 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 00:59:37,294 INFO L168 Benchmark]: CACSL2BoogieTranslator took 694.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -161.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:37,295 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.90 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 00:59:37,296 INFO L168 Benchmark]: Boogie Preprocessor took 54.87 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 00:59:37,297 INFO L168 Benchmark]: RCFGBuilder took 818.86 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: 51.1 MB). Peak memory consumption was 51.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:37,300 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 694.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -161.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 818.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.1 MB). Peak memory consumption was 51.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...