./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix042_power.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix042_power.oepc.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 bd875f2ecd70c82c6ac3f2be5a164fc8b3e12425 ........................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix042_power.oepc.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 bd875f2ecd70c82c6ac3f2be5a164fc8b3e12425 ............................................................................................................................................................................................. 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 00:57:36,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:57:36,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:57:36,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:57:36,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:57:36,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:57:36,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:57:36,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:57:36,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:57:37,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:57:37,001 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:57:37,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:57:37,003 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:57:37,004 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:57:37,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:57:37,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:57:37,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:57:37,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:57:37,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:57:37,011 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:57:37,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:57:37,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:57:37,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:57:37,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:57:37,018 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:57:37,018 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:57:37,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:57:37,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:57:37,020 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:57:37,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:57:37,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:57:37,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:57:37,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:57:37,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:57:37,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:57:37,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:57:37,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:57:37,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:57:37,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:57:37,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:57:37,027 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:57:37,028 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:57:37,043 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:57:37,043 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:57:37,044 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:57:37,045 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:57:37,045 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:57:37,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:57:37,045 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:57:37,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:57:37,046 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:57:37,046 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:57:37,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:57:37,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:57:37,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:57:37,047 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:57:37,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:57:37,048 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:57:37,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:57:37,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:57:37,049 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:57:37,049 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:57:37,049 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:57:37,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:57:37,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:57:37,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:57:37,050 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:57:37,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:57:37,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:57:37,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:57:37,051 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 -> bd875f2ecd70c82c6ac3f2be5a164fc8b3e12425 [2019-11-28 00:57:37,360 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:57:37,378 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:57:37,382 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:57:37,383 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:57:37,384 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:57:37,386 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix042_power.oepc.i [2019-11-28 00:57:37,452 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fea94c36e/9ba1acff509248fab57a9e9f5ae9a97c/FLAGa9b962981 [2019-11-28 00:57:38,024 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:57:38,027 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix042_power.oepc.i [2019-11-28 00:57:38,049 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fea94c36e/9ba1acff509248fab57a9e9f5ae9a97c/FLAGa9b962981 [2019-11-28 00:57:38,320 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fea94c36e/9ba1acff509248fab57a9e9f5ae9a97c [2019-11-28 00:57:38,323 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:57:38,325 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:57:38,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:57:38,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:57:38,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:57:38,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:57:38" (1/1) ... [2019-11-28 00:57:38,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d265c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:38, skipping insertion in model container [2019-11-28 00:57:38,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:57:38" (1/1) ... [2019-11-28 00:57:38,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:57:38,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:57:38,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:57:38,914 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:57:39,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:57:39,082 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:57:39,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:39 WrapperNode [2019-11-28 00:57:39,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:57:39,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:57:39,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:57:39,084 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:57:39,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:39" (1/1) ... [2019-11-28 00:57:39,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:39" (1/1) ... [2019-11-28 00:57:39,147 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:57:39,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:57:39,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:57:39,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:57:39,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:39" (1/1) ... [2019-11-28 00:57:39,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:39" (1/1) ... [2019-11-28 00:57:39,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:39" (1/1) ... [2019-11-28 00:57:39,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:39" (1/1) ... [2019-11-28 00:57:39,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:39" (1/1) ... [2019-11-28 00:57:39,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:39" (1/1) ... [2019-11-28 00:57:39,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:39" (1/1) ... [2019-11-28 00:57:39,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:57:39,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:57:39,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:57:39,193 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:57:39,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:39" (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 00:57:39,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:57:39,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:57:39,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:57:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:57:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:57:39,248 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:57:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:57:39,248 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:57:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 00:57:39,249 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 00:57:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:57:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:57:39,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:57:39,251 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 00:57:39,907 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 00:57:39,912 INFO L168 Benchmark]: Toolchain (without parser) took 1586.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 956.3 MB in the beginning and 1.0 GB in the end (delta: -67.8 MB). Peak memory consumption was 49.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:39,913 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:57:39,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 757.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -127.5 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:39,915 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:39,916 INFO L168 Benchmark]: Boogie Preprocessor took 44.66 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:57:39,917 INFO L168 Benchmark]: RCFGBuilder took 716.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:39,921 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 757.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -127.5 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.66 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 716.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 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 00:57:41,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:57:41,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:57:41,914 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:57:41,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:57:41,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:57:41,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:57:41,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:57:41,933 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:57:41,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:57:41,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:57:41,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:57:41,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:57:41,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:57:41,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:57:41,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:57:41,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:57:41,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:57:41,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:57:41,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:57:41,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:57:41,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:57:41,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:57:41,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:57:41,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:57:41,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:57:41,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:57:41,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:57:41,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:57:41,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:57:41,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:57:41,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:57:41,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:57:41,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:57:41,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:57:41,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:57:41,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:57:41,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:57:41,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:57:41,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:57:41,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:57:41,982 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:57:42,014 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:57:42,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:57:42,020 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:57:42,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:57:42,021 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:57:42,021 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:57:42,021 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:57:42,021 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:57:42,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:57:42,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:57:42,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:57:42,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:57:42,024 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:57:42,024 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:57:42,025 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:57:42,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:57:42,025 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:57:42,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:57:42,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:57:42,026 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:57:42,026 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:57:42,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:57:42,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:57:42,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:57:42,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:57:42,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:57:42,028 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:57:42,028 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:57:42,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:57:42,029 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:57:42,029 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 -> bd875f2ecd70c82c6ac3f2be5a164fc8b3e12425 [2019-11-28 00:57:42,342 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:57:42,355 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:57:42,358 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:57:42,360 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:57:42,361 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:57:42,361 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix042_power.oepc.i [2019-11-28 00:57:42,420 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8dfcf711/d04d16ef4e294cef806bf9f61dbd5513/FLAG2b3498408 [2019-11-28 00:57:42,922 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:57:42,923 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix042_power.oepc.i [2019-11-28 00:57:42,946 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8dfcf711/d04d16ef4e294cef806bf9f61dbd5513/FLAG2b3498408 [2019-11-28 00:57:43,233 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8dfcf711/d04d16ef4e294cef806bf9f61dbd5513 [2019-11-28 00:57:43,236 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:57:43,238 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:57:43,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:57:43,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:57:43,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:57:43,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:57:43" (1/1) ... [2019-11-28 00:57:43,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ece14e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:43, skipping insertion in model container [2019-11-28 00:57:43,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:57:43" (1/1) ... [2019-11-28 00:57:43,256 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:57:43,321 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:57:43,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:57:43,819 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:57:43,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:57:43,998 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:57:43,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:43 WrapperNode [2019-11-28 00:57:43,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:57:43,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:57:44,000 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:57:44,000 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:57:44,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:43" (1/1) ... [2019-11-28 00:57:44,037 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:43" (1/1) ... [2019-11-28 00:57:44,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:57:44,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:57:44,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:57:44,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:57:44,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:43" (1/1) ... [2019-11-28 00:57:44,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:43" (1/1) ... [2019-11-28 00:57:44,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:43" (1/1) ... [2019-11-28 00:57:44,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:43" (1/1) ... [2019-11-28 00:57:44,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:43" (1/1) ... [2019-11-28 00:57:44,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:43" (1/1) ... [2019-11-28 00:57:44,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:43" (1/1) ... [2019-11-28 00:57:44,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:57:44,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:57:44,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:57:44,108 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:57:44,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:43" (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 00:57:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:57:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:57:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:57:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 00:57:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:57:44,175 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:57:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:57:44,175 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:57:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 00:57:44,176 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 00:57:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:57:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:57:44,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:57:44,178 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 00:57:44,908 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 00:57:44,914 INFO L168 Benchmark]: Toolchain (without parser) took 1675.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 957.7 MB in the beginning and 1.0 GB in the end (delta: -76.2 MB). Peak memory consumption was 56.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:44,915 INFO L168 Benchmark]: CDTParser took 0.25 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 00:57:44,916 INFO L168 Benchmark]: CACSL2BoogieTranslator took 758.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -135.2 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:44,917 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.19 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 00:57:44,918 INFO L168 Benchmark]: Boogie Preprocessor took 42.00 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 00:57:44,919 INFO L168 Benchmark]: RCFGBuilder took 803.74 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: 52.4 MB). Peak memory consumption was 52.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:44,922 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 758.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -135.2 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 803.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.4 MB). Peak memory consumption was 52.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...