./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix015_tso.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/mix015_tso.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 ceb9e9320cf1a16017a1b06564d05ef37577775e ........................................................................................................................................................................................... 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/mix015_tso.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 ceb9e9320cf1a16017a1b06564d05ef37577775e ............................................................................................................................................................................................. 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 00:54:57,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:54:57,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:54:57,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:54:57,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:54:57,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:54:57,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:54:57,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:54:57,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:54:57,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:54:57,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:54:57,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:54:57,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:54:57,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:54:57,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:54:57,210 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:54:57,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:54:57,212 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:54:57,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:54:57,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:54:57,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:54:57,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:54:57,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:54:57,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:54:57,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:54:57,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:54:57,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:54:57,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:54:57,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:54:57,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:54:57,231 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:54:57,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:54:57,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:54:57,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:54:57,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:54:57,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:54:57,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:54:57,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:54:57,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:54:57,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:54:57,239 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:54:57,242 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:54:57,262 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:54:57,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:54:57,265 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:54:57,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:54:57,265 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:54:57,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:54:57,266 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:54:57,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:54:57,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:54:57,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:54:57,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:54:57,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:54:57,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:54:57,269 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:54:57,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:54:57,270 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:54:57,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:54:57,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:54:57,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:54:57,271 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:54:57,271 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:54:57,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:54:57,272 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:54:57,272 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:54:57,273 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:54:57,273 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:54:57,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:54:57,273 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:54:57,274 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 -> ceb9e9320cf1a16017a1b06564d05ef37577775e [2019-11-28 00:54:57,565 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:54:57,582 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:54:57,586 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:54:57,588 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:54:57,588 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:54:57,589 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix015_tso.oepc.i [2019-11-28 00:54:57,662 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c738c4552/8477f50a32f140c693116f0ea33aa274/FLAG1f3ebfb90 [2019-11-28 00:54:58,160 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:54:58,161 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix015_tso.oepc.i [2019-11-28 00:54:58,186 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c738c4552/8477f50a32f140c693116f0ea33aa274/FLAG1f3ebfb90 [2019-11-28 00:54:58,507 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c738c4552/8477f50a32f140c693116f0ea33aa274 [2019-11-28 00:54:58,510 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:54:58,511 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:54:58,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:54:58,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:54:58,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:54:58,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:54:58" (1/1) ... [2019-11-28 00:54:58,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cc9a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:58, skipping insertion in model container [2019-11-28 00:54:58,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:54:58" (1/1) ... [2019-11-28 00:54:58,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:54:58,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:54:59,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:54:59,076 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:54:59,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:54:59,264 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:54:59,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:59 WrapperNode [2019-11-28 00:54:59,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:54:59,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:54:59,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:54:59,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:54:59,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:59" (1/1) ... [2019-11-28 00:54:59,302 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:59" (1/1) ... [2019-11-28 00:54:59,336 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:54:59,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:54:59,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:54:59,337 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:54:59,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:59" (1/1) ... [2019-11-28 00:54:59,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:59" (1/1) ... [2019-11-28 00:54:59,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:59" (1/1) ... [2019-11-28 00:54:59,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:59" (1/1) ... [2019-11-28 00:54:59,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:59" (1/1) ... [2019-11-28 00:54:59,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:59" (1/1) ... [2019-11-28 00:54:59,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:59" (1/1) ... [2019-11-28 00:54:59,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:54:59,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:54:59,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:54:59,376 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:54:59,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:59" (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 00:54:59,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:54:59,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:54:59,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:54:59,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:54:59,458 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:54:59,458 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:54:59,459 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:54:59,459 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:54:59,459 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 00:54:59,459 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 00:54:59,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:54:59,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:54:59,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:54:59,464 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 00:55:00,191 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 00:55:00,200 INFO L168 Benchmark]: Toolchain (without parser) took 1687.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -104.1 MB). Peak memory consumption was 42.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:55:00,201 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:55:00,202 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -162.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:55:00,204 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:55:00,205 INFO L168 Benchmark]: Boogie Preprocessor took 39.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:55:00,207 INFO L168 Benchmark]: RCFGBuilder took 820.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:55:00,212 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 753.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -162.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.33 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 39.00 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 820.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.5 MB). Peak memory consumption was 51.5 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... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:55:02,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:55:02,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:55:02,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:55:02,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:55:02,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:55:02,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:55:02,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:55:02,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:55:02,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:55:02,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:55:02,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:55:02,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:55:02,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:55:02,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:55:02,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:55:02,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:55:02,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:55:02,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:55:02,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:55:02,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:55:02,390 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:55:02,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:55:02,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:55:02,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:55:02,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:55:02,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:55:02,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:55:02,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:55:02,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:55:02,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:55:02,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:55:02,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:55:02,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:55:02,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:55:02,402 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:55:02,403 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:55:02,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:55:02,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:55:02,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:55:02,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:55:02,407 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:55:02,421 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:55:02,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:55:02,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:55:02,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:55:02,424 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:55:02,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:55:02,424 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:55:02,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:55:02,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:55:02,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:55:02,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:55:02,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:55:02,426 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:55:02,426 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:55:02,426 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:55:02,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:55:02,427 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:55:02,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:55:02,428 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:55:02,428 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:55:02,428 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:55:02,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:55:02,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:55:02,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:55:02,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:55:02,430 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:55:02,430 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:55:02,430 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:55:02,430 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:55:02,431 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:55:02,431 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 -> ceb9e9320cf1a16017a1b06564d05ef37577775e [2019-11-28 00:55:02,766 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:55:02,782 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:55:02,786 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:55:02,787 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:55:02,788 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:55:02,789 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix015_tso.oepc.i [2019-11-28 00:55:02,861 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fabd96b9/189ac214f0b24d80b32a9bc1d6259ab4/FLAG13db3c8c0 [2019-11-28 00:55:03,464 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:55:03,465 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix015_tso.oepc.i [2019-11-28 00:55:03,482 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fabd96b9/189ac214f0b24d80b32a9bc1d6259ab4/FLAG13db3c8c0 [2019-11-28 00:55:03,692 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fabd96b9/189ac214f0b24d80b32a9bc1d6259ab4 [2019-11-28 00:55:03,697 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:55:03,698 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:55:03,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:55:03,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:55:03,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:55:03,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:55:03" (1/1) ... [2019-11-28 00:55:03,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f61f9f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:03, skipping insertion in model container [2019-11-28 00:55:03,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:55:03" (1/1) ... [2019-11-28 00:55:03,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:55:03,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:55:04,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:55:04,282 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:55:04,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:55:04,497 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:55:04,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:04 WrapperNode [2019-11-28 00:55:04,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:55:04,498 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:55:04,498 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:55:04,499 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:55:04,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:04" (1/1) ... [2019-11-28 00:55:04,535 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:04" (1/1) ... [2019-11-28 00:55:04,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:55:04,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:55:04,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:55:04,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:55:04,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:04" (1/1) ... [2019-11-28 00:55:04,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:04" (1/1) ... [2019-11-28 00:55:04,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:04" (1/1) ... [2019-11-28 00:55:04,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:04" (1/1) ... [2019-11-28 00:55:04,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:04" (1/1) ... [2019-11-28 00:55:04,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:04" (1/1) ... [2019-11-28 00:55:04,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:04" (1/1) ... [2019-11-28 00:55:04,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:55:04,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:55:04,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:55:04,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:55:04,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:04" (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 00:55:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:55:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:55:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:55:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 00:55:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:55:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:55:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:55:04,686 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:55:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 00:55:04,686 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 00:55:04,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:55:04,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:55:04,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:55:04,688 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 00:55:05,419 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 00:55:05,425 INFO L168 Benchmark]: Toolchain (without parser) took 1725.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 952.3 MB in the beginning and 1.0 GB in the end (delta: -78.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:55:05,425 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:55:05,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 797.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -148.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:55:05,427 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.38 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 00:55:05,428 INFO L168 Benchmark]: Boogie Preprocessor took 40.88 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 00:55:05,429 INFO L168 Benchmark]: RCFGBuilder took 818.21 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: 58.2 MB). Peak memory consumption was 58.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:55:05,433 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 797.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -148.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 818.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.2 MB). Peak memory consumption was 58.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...