./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix051_pso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix051_pso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 22587ad177ea0e584b685748a24c1c1e01082f28 ............................................................................................................................................................................................. 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/mix051_pso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 22587ad177ea0e584b685748a24c1c1e01082f28 ............................................................................................................................................................................................... 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 00:58:34,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:58:34,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:58:34,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:58:34,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:58:34,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:58:34,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:58:34,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:58:34,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:58:34,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:58:34,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:58:34,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:58:34,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:58:34,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:58:34,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:58:34,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:58:34,251 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:58:34,252 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:58:34,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:58:34,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:58:34,259 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:58:34,260 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:58:34,263 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:58:34,264 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:58:34,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:58:34,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:58:34,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:58:34,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:58:34,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:58:34,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:58:34,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:58:34,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:58:34,279 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:58:34,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:58:34,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:58:34,281 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:58:34,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:58:34,282 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:58:34,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:58:34,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:58:34,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:58:34,287 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:58:34,303 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:58:34,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:58:34,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:58:34,305 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:58:34,305 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:58:34,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:58:34,305 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:58:34,306 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:58:34,306 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:58:34,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:58:34,306 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:58:34,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:58:34,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:58:34,307 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:58:34,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:58:34,307 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:58:34,308 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:58:34,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:58:34,308 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:58:34,308 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:58:34,309 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:58:34,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:58:34,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:58:34,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:58:34,309 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:58:34,310 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:58:34,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:58:34,310 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:58:34,310 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 -> 22587ad177ea0e584b685748a24c1c1e01082f28 [2019-11-28 00:58:34,662 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:58:34,684 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:58:34,689 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:58:34,691 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:58:34,691 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:58:34,692 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix051_pso.opt.i [2019-11-28 00:58:34,769 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed00df706/dc9106babbc04bf89dfd130163ae9751/FLAG414dced7f [2019-11-28 00:58:35,402 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:58:35,405 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix051_pso.opt.i [2019-11-28 00:58:35,428 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed00df706/dc9106babbc04bf89dfd130163ae9751/FLAG414dced7f [2019-11-28 00:58:35,604 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed00df706/dc9106babbc04bf89dfd130163ae9751 [2019-11-28 00:58:35,609 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:58:35,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:58:35,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:58:35,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:58:35,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:58:35,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:58:35" (1/1) ... [2019-11-28 00:58:35,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b1cb90c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:35, skipping insertion in model container [2019-11-28 00:58:35,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:58:35" (1/1) ... [2019-11-28 00:58:35,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:58:35,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:58:36,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:58:36,170 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:58:36,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:58:36,321 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:58:36,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:36 WrapperNode [2019-11-28 00:58:36,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:58:36,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:58:36,325 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:58:36,325 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:58:36,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:36" (1/1) ... [2019-11-28 00:58:36,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:36" (1/1) ... [2019-11-28 00:58:36,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:58:36,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:58:36,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:58:36,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:58:36,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:36" (1/1) ... [2019-11-28 00:58:36,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:36" (1/1) ... [2019-11-28 00:58:36,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:36" (1/1) ... [2019-11-28 00:58:36,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:36" (1/1) ... [2019-11-28 00:58:36,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:36" (1/1) ... [2019-11-28 00:58:36,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:36" (1/1) ... [2019-11-28 00:58:36,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:36" (1/1) ... [2019-11-28 00:58:36,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:58:36,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:58:36,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:58:36,446 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:58:36,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:58:36,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:58:36,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:58:36,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:58:36,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:58:36,509 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:58:36,509 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:58:36,510 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:58:36,510 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:58:36,510 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 00:58:36,511 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 00:58:36,513 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-28 00:58:36,513 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-28 00:58:36,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:58:36,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:58:36,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:58:36,516 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 00:58:37,241 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 00:58:37,247 INFO L168 Benchmark]: Toolchain (without parser) took 1635.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -89.7 MB). Peak memory consumption was 45.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:58:37,248 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:58:37,249 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:58:37,250 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:58:37,251 INFO L168 Benchmark]: Boogie Preprocessor took 42.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:58:37,251 INFO L168 Benchmark]: RCFGBuilder took 797.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.0 MB). Peak memory consumption was 51.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:58:37,255 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 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 712.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.78 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.79 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 797.72 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: 51.0 MB). Peak memory consumption was 51.0 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 00:58:39,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:58:39,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:58:39,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:58:39,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:58:39,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:58:39,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:58:39,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:58:39,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:58:39,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:58:39,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:58:39,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:58:39,361 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:58:39,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:58:39,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:58:39,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:58:39,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:58:39,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:58:39,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:58:39,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:58:39,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:58:39,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:58:39,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:58:39,391 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:58:39,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:58:39,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:58:39,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:58:39,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:58:39,399 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:58:39,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:58:39,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:58:39,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:58:39,403 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:58:39,404 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:58:39,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:58:39,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:58:39,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:58:39,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:58:39,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:58:39,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:58:39,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:58:39,414 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:58:39,434 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:58:39,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:58:39,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:58:39,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:58:39,437 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:58:39,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:58:39,438 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:58:39,438 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:58:39,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:58:39,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:58:39,440 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:58:39,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:58:39,441 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:58:39,441 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:58:39,441 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:58:39,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:58:39,442 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:58:39,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:58:39,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:58:39,443 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:58:39,443 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:58:39,443 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:58:39,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:58:39,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:58:39,444 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:58:39,444 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:58:39,445 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:58:39,445 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:58:39,445 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:58:39,445 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:58:39,446 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 -> 22587ad177ea0e584b685748a24c1c1e01082f28 [2019-11-28 00:58:39,770 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:58:39,784 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:58:39,787 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:58:39,789 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:58:39,790 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:58:39,791 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix051_pso.opt.i [2019-11-28 00:58:39,854 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8accfec7e/eeb3bc86c9d64ad3bd76f69b3db26433/FLAG9b8830f29 [2019-11-28 00:58:40,455 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:58:40,456 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix051_pso.opt.i [2019-11-28 00:58:40,480 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8accfec7e/eeb3bc86c9d64ad3bd76f69b3db26433/FLAG9b8830f29 [2019-11-28 00:58:40,698 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8accfec7e/eeb3bc86c9d64ad3bd76f69b3db26433 [2019-11-28 00:58:40,701 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:58:40,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:58:40,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:58:40,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:58:40,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:58:40,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:58:40" (1/1) ... [2019-11-28 00:58:40,711 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 12:58:40, skipping insertion in model container [2019-11-28 00:58:40,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:58:40" (1/1) ... [2019-11-28 00:58:40,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:58:40,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:58:41,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:58:41,314 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:58:41,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:58:41,516 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:58:41,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:41 WrapperNode [2019-11-28 00:58:41,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:58:41,518 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:58:41,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:58:41,518 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:58:41,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:41" (1/1) ... [2019-11-28 00:58:41,558 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:41" (1/1) ... [2019-11-28 00:58:41,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:58:41,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:58:41,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:58:41,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:58:41,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:41" (1/1) ... [2019-11-28 00:58:41,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:41" (1/1) ... [2019-11-28 00:58:41,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:41" (1/1) ... [2019-11-28 00:58:41,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:41" (1/1) ... [2019-11-28 00:58:41,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:41" (1/1) ... [2019-11-28 00:58:41,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:41" (1/1) ... [2019-11-28 00:58:41,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:41" (1/1) ... [2019-11-28 00:58:41,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:58:41,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:58:41,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:58:41,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:58:41,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:41" (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 00:58:41,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:58:41,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:58:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:58:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 00:58:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:58:41,692 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:58:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:58:41,692 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:58:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 00:58:41,693 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 00:58:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-28 00:58:41,693 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-28 00:58:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:58:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:58:41,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:58:41,696 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 00:58:42,483 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 00:58:42,488 INFO L168 Benchmark]: Toolchain (without parser) took 1785.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -105.6 MB). Peak memory consumption was 37.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:58:42,489 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:58:42,490 INFO L168 Benchmark]: CACSL2BoogieTranslator took 813.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -163.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:58:42,491 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.11 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 00:58:42,491 INFO L168 Benchmark]: Boogie Preprocessor took 44.83 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 00:58:42,492 INFO L168 Benchmark]: RCFGBuilder took 852.38 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: 51.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:58:42,496 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 813.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -163.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 852.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...