./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix007_rmo.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/mix007_rmo.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 4df0cab6238e26cd777f0c7fb90f26c112af76a8 ............................................................................................................................................................................................. 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/mix007_rmo.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 4df0cab6238e26cd777f0c7fb90f26c112af76a8 ............................................................................................................................................................................................... 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 00:54:05,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:54:05,255 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:54:05,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:54:05,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:54:05,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:54:05,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:54:05,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:54:05,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:54:05,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:54:05,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:54:05,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:54:05,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:54:05,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:54:05,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:54:05,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:54:05,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:54:05,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:54:05,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:54:05,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:54:05,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:54:05,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:54:05,295 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:54:05,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:54:05,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:54:05,299 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:54:05,299 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:54:05,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:54:05,301 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:54:05,302 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:54:05,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:54:05,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:54:05,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:54:05,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:54:05,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:54:05,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:54:05,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:54:05,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:54:05,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:54:05,310 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:54:05,311 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:54:05,311 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:54:05,330 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:54:05,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:54:05,332 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:54:05,332 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:54:05,332 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:54:05,333 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:54:05,333 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:54:05,333 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:54:05,334 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:54:05,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:54:05,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:54:05,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:54:05,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:54:05,335 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:54:05,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:54:05,336 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:54:05,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:54:05,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:54:05,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:54:05,337 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:54:05,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:54:05,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:54:05,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:54:05,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:54:05,339 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:54:05,339 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:54:05,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:54:05,339 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:54:05,340 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 -> 4df0cab6238e26cd777f0c7fb90f26c112af76a8 [2019-11-28 00:54:05,664 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:54:05,678 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:54:05,682 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:54:05,683 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:54:05,684 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:54:05,685 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix007_rmo.opt.i [2019-11-28 00:54:05,766 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/748e697b9/77611a61bf1b4347b0fec08172a4d1ae/FLAG700ee4268 [2019-11-28 00:54:06,342 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:54:06,343 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix007_rmo.opt.i [2019-11-28 00:54:06,370 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/748e697b9/77611a61bf1b4347b0fec08172a4d1ae/FLAG700ee4268 [2019-11-28 00:54:06,644 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/748e697b9/77611a61bf1b4347b0fec08172a4d1ae [2019-11-28 00:54:06,647 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:54:06,649 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:54:06,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:54:06,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:54:06,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:54:06,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:54:06" (1/1) ... [2019-11-28 00:54:06,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@760d99d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:06, skipping insertion in model container [2019-11-28 00:54:06,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:54:06" (1/1) ... [2019-11-28 00:54:06,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:54:06,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:54:07,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:54:07,307 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:54:07,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:54:07,494 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:54:07,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:07 WrapperNode [2019-11-28 00:54:07,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:54:07,496 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:54:07,496 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:54:07,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:54:07,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:07" (1/1) ... [2019-11-28 00:54:07,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:07" (1/1) ... [2019-11-28 00:54:07,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:54:07,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:54:07,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:54:07,571 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:54:07,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:07" (1/1) ... [2019-11-28 00:54:07,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:07" (1/1) ... [2019-11-28 00:54:07,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:07" (1/1) ... [2019-11-28 00:54:07,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:07" (1/1) ... [2019-11-28 00:54:07,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:07" (1/1) ... [2019-11-28 00:54:07,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:07" (1/1) ... [2019-11-28 00:54:07,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:07" (1/1) ... [2019-11-28 00:54:07,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:54:07,618 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:54:07,618 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:54:07,618 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:54:07,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:07" (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 00:54:07,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:54:07,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:54:07,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:54:07,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:54:07,697 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:54:07,697 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:54:07,698 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:54:07,698 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:54:07,698 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 00:54:07,698 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 00:54:07,699 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-28 00:54:07,699 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-28 00:54:07,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:54:07,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:54:07,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:54:07,702 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 00:54:08,587 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 00:54:08,594 INFO L168 Benchmark]: Toolchain (without parser) took 1943.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 955.0 MB in the beginning and 1.0 GB in the end (delta: -60.5 MB). Peak memory consumption was 60.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:54:08,595 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:54:08,596 INFO L168 Benchmark]: CACSL2BoogieTranslator took 845.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -138.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:54:08,598 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:54:08,598 INFO L168 Benchmark]: Boogie Preprocessor took 47.02 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:54:08,599 INFO L168 Benchmark]: RCFGBuilder took 973.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.5 MB). Peak memory consumption was 65.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:54:08,603 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 845.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -138.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 74.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.02 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 973.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.5 MB). Peak memory consumption was 65.5 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 00:54:10,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:54:10,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:54:10,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:54:10,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:54:10,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:54:10,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:54:10,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:54:10,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:54:10,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:54:10,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:54:10,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:54:10,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:54:10,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:54:10,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:54:10,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:54:10,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:54:10,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:54:10,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:54:10,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:54:10,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:54:10,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:54:10,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:54:10,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:54:10,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:54:10,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:54:10,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:54:10,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:54:10,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:54:10,661 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:54:10,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:54:10,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:54:10,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:54:10,664 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:54:10,665 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:54:10,665 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:54:10,666 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:54:10,666 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:54:10,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:54:10,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:54:10,669 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:54:10,670 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:54:10,685 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:54:10,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:54:10,687 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:54:10,687 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:54:10,687 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:54:10,687 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:54:10,687 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:54:10,688 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:54:10,688 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:54:10,688 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:54:10,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:54:10,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:54:10,689 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:54:10,689 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:54:10,690 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:54:10,690 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:54:10,690 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:54:10,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:54:10,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:54:10,691 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:54:10,691 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:54:10,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:54:10,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:54:10,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:54:10,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:54:10,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:54:10,693 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:54:10,693 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:54:10,694 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:54:10,694 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:54:10,694 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 -> 4df0cab6238e26cd777f0c7fb90f26c112af76a8 [2019-11-28 00:54:11,015 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:54:11,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:54:11,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:54:11,033 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:54:11,034 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:54:11,035 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix007_rmo.opt.i [2019-11-28 00:54:11,098 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df333ee6/1c39fc0083c64645a58a70fc5bf68334/FLAG970ec5bb9 [2019-11-28 00:54:11,730 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:54:11,731 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix007_rmo.opt.i [2019-11-28 00:54:11,750 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df333ee6/1c39fc0083c64645a58a70fc5bf68334/FLAG970ec5bb9 [2019-11-28 00:54:11,941 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df333ee6/1c39fc0083c64645a58a70fc5bf68334 [2019-11-28 00:54:11,944 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:54:11,946 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:54:11,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:54:11,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:54:11,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:54:11,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:54:11" (1/1) ... [2019-11-28 00:54:11,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6822e6d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:11, skipping insertion in model container [2019-11-28 00:54:11,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:54:11" (1/1) ... [2019-11-28 00:54:11,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:54:12,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:54:12,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:54:12,573 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:54:12,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:54:12,723 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:54:12,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:12 WrapperNode [2019-11-28 00:54:12,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:54:12,725 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:54:12,725 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:54:12,725 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:54:12,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:12" (1/1) ... [2019-11-28 00:54:12,760 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:12" (1/1) ... [2019-11-28 00:54:12,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:54:12,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:54:12,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:54:12,801 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:54:12,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:12" (1/1) ... [2019-11-28 00:54:12,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:12" (1/1) ... [2019-11-28 00:54:12,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:12" (1/1) ... [2019-11-28 00:54:12,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:12" (1/1) ... [2019-11-28 00:54:12,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:12" (1/1) ... [2019-11-28 00:54:12,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:12" (1/1) ... [2019-11-28 00:54:12,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:12" (1/1) ... [2019-11-28 00:54:12,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:54:12,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:54:12,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:54:12,855 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:54:12,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:12" (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 00:54:12,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:54:12,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:54:12,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:54:12,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 00:54:12,921 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:54:12,922 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:54:12,922 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:54:12,922 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:54:12,922 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 00:54:12,922 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 00:54:12,922 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-28 00:54:12,923 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-28 00:54:12,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:54:12,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:54:12,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:54:12,925 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 00:54:13,804 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 00:54:13,811 INFO L168 Benchmark]: Toolchain (without parser) took 1863.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 952.3 MB in the beginning and 1.0 GB in the end (delta: -84.9 MB). Peak memory consumption was 55.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:54:13,812 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:54:13,813 INFO L168 Benchmark]: CACSL2BoogieTranslator took 777.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -149.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:54:13,813 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.03 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 00:54:13,814 INFO L168 Benchmark]: Boogie Preprocessor took 53.92 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 00:54:13,815 INFO L168 Benchmark]: RCFGBuilder took 953.50 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: 57.5 MB). Peak memory consumption was 57.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:54:13,819 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 777.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -149.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 953.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 57.5 MB). Peak memory consumption was 57.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...