./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix055_pso.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/mix055_pso.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 9f8bd44af0adca1f065ca6462f22dfecfb891a56 ............................................................................................................................................................................................. 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/mix055_pso.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 9f8bd44af0adca1f065ca6462f22dfecfb891a56 ............................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:58:58,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:58:58,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:58:58,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:58:58,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:58:58,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:58:58,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:58:58,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:58:58,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:58:58,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:58:58,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:58:58,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:58:58,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:58:58,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:58:58,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:58:58,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:58:58,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:58:58,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:58:58,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:58:58,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:58:58,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:58:58,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:58:58,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:58:58,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:58:58,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:58:58,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:58:58,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:58:58,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:58:58,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:58:58,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:58:58,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:58:58,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:58:58,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:58:58,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:58:58,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:58:58,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:58:58,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:58:58,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:58:58,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:58:58,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:58:58,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:58:58,104 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:58:58,136 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:58:58,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:58:58,140 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:58:58,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:58:58,141 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:58:58,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:58:58,141 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:58:58,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:58:58,142 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:58:58,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:58:58,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:58:58,142 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:58:58,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:58:58,145 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:58:58,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:58:58,145 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:58:58,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:58:58,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:58:58,146 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:58:58,146 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:58:58,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:58:58,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:58:58,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:58:58,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:58:58,148 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:58:58,148 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:58:58,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:58:58,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:58:58,148 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 -> 9f8bd44af0adca1f065ca6462f22dfecfb891a56 [2019-11-28 00:58:58,462 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:58:58,475 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:58:58,478 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:58:58,480 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:58:58,480 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:58:58,481 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix055_pso.oepc.i [2019-11-28 00:58:58,553 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fb5092d3/4c67fe4ce6f943cd979ca84cc31c27cc/FLAG867e3deda [2019-11-28 00:58:59,086 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:58:59,087 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix055_pso.oepc.i [2019-11-28 00:58:59,108 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fb5092d3/4c67fe4ce6f943cd979ca84cc31c27cc/FLAG867e3deda [2019-11-28 00:58:59,409 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fb5092d3/4c67fe4ce6f943cd979ca84cc31c27cc [2019-11-28 00:58:59,413 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:58:59,415 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:58:59,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:58:59,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:58:59,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:58:59,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:58:59" (1/1) ... [2019-11-28 00:58:59,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12ebd404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:59, skipping insertion in model container [2019-11-28 00:58:59,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:58:59" (1/1) ... [2019-11-28 00:58:59,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:58:59,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:59:00,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:59:00,019 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:59:00,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:59:00,217 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:59:00,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:00 WrapperNode [2019-11-28 00:59:00,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:59:00,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:59:00,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:59:00,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:59:00,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:00" (1/1) ... [2019-11-28 00:59:00,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:00" (1/1) ... [2019-11-28 00:59:00,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:59:00,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:59:00,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:59:00,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:59:00,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:00" (1/1) ... [2019-11-28 00:59:00,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:00" (1/1) ... [2019-11-28 00:59:00,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:00" (1/1) ... [2019-11-28 00:59:00,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:00" (1/1) ... [2019-11-28 00:59:00,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:00" (1/1) ... [2019-11-28 00:59:00,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:00" (1/1) ... [2019-11-28 00:59:00,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:00" (1/1) ... [2019-11-28 00:59:00,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:59:00,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:59:00,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:59:00,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:59:00,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:00" (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 00:59:00,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:59:00,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:59:00,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:59:00,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:59:00,423 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:59:00,423 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:59:00,424 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:59:00,424 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:59:00,425 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 00:59:00,425 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 00:59:00,428 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-28 00:59:00,428 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-28 00:59:00,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:59:00,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:59:00,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:59:00,432 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 00:59:01,390 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 00:59:01,395 INFO L168 Benchmark]: Toolchain (without parser) took 1979.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 956.3 MB in the beginning and 1.0 GB in the end (delta: -65.8 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:01,396 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:59:01,397 INFO L168 Benchmark]: CACSL2BoogieTranslator took 800.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -131.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:01,398 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:01,399 INFO L168 Benchmark]: Boogie Preprocessor took 48.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:59:01,400 INFO L168 Benchmark]: RCFGBuilder took 1063.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.0 MB). Peak memory consumption was 59.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:01,404 INFO L335 ainManager$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 800.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -131.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.96 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 48.25 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 1063.11 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: 59.0 MB). Peak memory consumption was 59.0 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 00:59:03,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:59:03,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:59:03,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:59:03,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:59:03,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:59:03,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:59:03,344 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:59:03,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:59:03,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:59:03,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:59:03,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:59:03,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:59:03,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:59:03,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:59:03,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:59:03,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:59:03,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:59:03,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:59:03,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:59:03,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:59:03,361 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:59:03,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:59:03,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:59:03,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:59:03,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:59:03,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:59:03,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:59:03,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:59:03,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:59:03,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:59:03,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:59:03,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:59:03,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:59:03,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:59:03,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:59:03,374 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:59:03,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:59:03,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:59:03,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:59:03,376 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:59:03,377 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:59:03,392 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:59:03,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:59:03,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:59:03,393 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:59:03,394 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:59:03,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:59:03,394 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:59:03,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:59:03,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:59:03,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:59:03,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:59:03,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:59:03,395 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:59:03,396 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:59:03,396 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:59:03,396 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:59:03,396 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:59:03,397 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:59:03,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:59:03,397 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:59:03,397 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:59:03,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:59:03,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:59:03,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:59:03,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:59:03,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:59:03,399 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:59:03,399 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:59:03,399 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:59:03,399 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:59:03,399 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 -> 9f8bd44af0adca1f065ca6462f22dfecfb891a56 [2019-11-28 00:59:03,707 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:59:03,720 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:59:03,724 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:59:03,725 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:59:03,726 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:59:03,727 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix055_pso.oepc.i [2019-11-28 00:59:03,786 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bedd2798/27ab745a7c7c4312afe749b1e1a19509/FLAGfc2cf94cc [2019-11-28 00:59:04,334 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:59:04,335 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix055_pso.oepc.i [2019-11-28 00:59:04,357 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bedd2798/27ab745a7c7c4312afe749b1e1a19509/FLAGfc2cf94cc [2019-11-28 00:59:04,610 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bedd2798/27ab745a7c7c4312afe749b1e1a19509 [2019-11-28 00:59:04,613 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:59:04,615 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:59:04,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:59:04,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:59:04,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:59:04,620 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:59:04" (1/1) ... [2019-11-28 00:59:04,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c1dbb8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:04, skipping insertion in model container [2019-11-28 00:59:04,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:59:04" (1/1) ... [2019-11-28 00:59:04,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:59:04,682 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:59:05,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:59:05,316 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:59:05,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:59:05,449 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:59:05,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:05 WrapperNode [2019-11-28 00:59:05,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:59:05,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:59:05,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:59:05,451 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:59:05,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:05" (1/1) ... [2019-11-28 00:59:05,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:05" (1/1) ... [2019-11-28 00:59:05,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:59:05,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:59:05,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:59:05,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:59:05,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:05" (1/1) ... [2019-11-28 00:59:05,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:05" (1/1) ... [2019-11-28 00:59:05,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:05" (1/1) ... [2019-11-28 00:59:05,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:05" (1/1) ... [2019-11-28 00:59:05,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:05" (1/1) ... [2019-11-28 00:59:05,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:05" (1/1) ... [2019-11-28 00:59:05,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:05" (1/1) ... [2019-11-28 00:59:05,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:59:05,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:59:05,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:59:05,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:59:05,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:05" (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 00:59:05,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:59:05,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:59:05,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:59:05,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 00:59:05,649 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:59:05,649 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:59:05,649 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:59:05,649 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:59:05,649 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 00:59:05,650 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 00:59:05,650 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-28 00:59:05,650 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-28 00:59:05,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:59:05,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:59:05,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:59:05,652 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 00:59:06,443 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 00:59:06,448 INFO L168 Benchmark]: Toolchain (without parser) took 1832.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 952.3 MB in the beginning and 1.0 GB in the end (delta: -75.8 MB). Peak memory consumption was 60.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:06,449 INFO L168 Benchmark]: CDTParser took 0.29 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 00:59:06,450 INFO L168 Benchmark]: CACSL2BoogieTranslator took 834.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -140.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:06,451 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.10 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 00:59:06,451 INFO L168 Benchmark]: Boogie Preprocessor took 51.91 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 00:59:06,452 INFO L168 Benchmark]: RCFGBuilder took 878.53 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: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:06,456 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 834.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -140.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 878.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...