./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/39_rand_lock_p0_vs.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-ext/39_rand_lock_p0_vs.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 721040ccfb5c512d9b5570a5588d6d5badc4640a ....................................................................................................................................................................................... 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-ext/39_rand_lock_p0_vs.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 721040ccfb5c512d9b5570a5588d6d5badc4640a ......................................................................................................................................................................................... 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 00:53:09,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:53:09,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:53:09,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:53:09,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:53:09,256 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:53:09,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:53:09,267 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:53:09,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:53:09,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:53:09,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:53:09,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:53:09,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:53:09,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:53:09,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:53:09,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:53:09,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:53:09,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:53:09,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:53:09,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:53:09,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:53:09,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:53:09,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:53:09,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:53:09,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:53:09,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:53:09,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:53:09,319 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:53:09,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:53:09,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:53:09,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:53:09,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:53:09,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:53:09,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:53:09,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:53:09,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:53:09,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:53:09,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:53:09,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:53:09,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:53:09,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:53:09,332 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:53:09,366 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:53:09,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:53:09,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:53:09,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:53:09,374 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:53:09,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:53:09,375 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:53:09,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:53:09,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:53:09,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:53:09,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:53:09,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:53:09,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:53:09,377 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:53:09,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:53:09,379 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:53:09,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:53:09,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:53:09,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:53:09,380 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:53:09,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:53:09,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:53:09,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:53:09,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:53:09,382 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:53:09,383 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:53:09,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:53:09,383 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:53:09,384 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 -> 721040ccfb5c512d9b5570a5588d6d5badc4640a [2019-11-28 00:53:09,740 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:53:09,763 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:53:09,767 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:53:09,768 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:53:09,769 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:53:09,771 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/39_rand_lock_p0_vs.i [2019-11-28 00:53:09,832 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57f7a37fe/f28db505a9ff43cfbe243295956b70ef/FLAG9d0949691 [2019-11-28 00:53:10,315 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:53:10,315 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/39_rand_lock_p0_vs.i [2019-11-28 00:53:10,332 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57f7a37fe/f28db505a9ff43cfbe243295956b70ef/FLAG9d0949691 [2019-11-28 00:53:10,650 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57f7a37fe/f28db505a9ff43cfbe243295956b70ef [2019-11-28 00:53:10,653 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:53:10,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:53:10,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:53:10,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:53:10,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:53:10,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:53:10" (1/1) ... [2019-11-28 00:53:10,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29271dbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:10, skipping insertion in model container [2019-11-28 00:53:10,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:53:10" (1/1) ... [2019-11-28 00:53:10,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:53:10,720 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:53:11,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:53:11,238 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:53:11,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:53:11,409 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:53:11,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:11 WrapperNode [2019-11-28 00:53:11,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:53:11,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:53:11,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:53:11,412 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:53:11,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:11" (1/1) ... [2019-11-28 00:53:11,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:11" (1/1) ... [2019-11-28 00:53:11,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:53:11,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:53:11,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:53:11,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:53:11,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:11" (1/1) ... [2019-11-28 00:53:11,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:11" (1/1) ... [2019-11-28 00:53:11,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:11" (1/1) ... [2019-11-28 00:53:11,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:11" (1/1) ... [2019-11-28 00:53:11,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:11" (1/1) ... [2019-11-28 00:53:11,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:11" (1/1) ... [2019-11-28 00:53:11,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:11" (1/1) ... [2019-11-28 00:53:11,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:53:11,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:53:11,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:53:11,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:53:11,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:11" (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 00:53:11,597 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-11-28 00:53:11,597 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-11-28 00:53:11,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:53:11,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:53:11,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:53:11,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:53:11,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:53:11,600 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 00:53:11,816 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-11-28 00:53:11,822 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-11-28 00:53:11,990 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 00:53:11,996 INFO L168 Benchmark]: Toolchain (without parser) took 1340.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 956.3 MB in the beginning and 1.0 GB in the end (delta: -89.1 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:53:11,998 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:53:11,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 754.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -122.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:53:12,000 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:53:12,001 INFO L168 Benchmark]: Boogie Preprocessor took 36.16 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 00:53:12,002 INFO L168 Benchmark]: RCFGBuilder took 467.37 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: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:53:12,011 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 754.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -122.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.16 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 467.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 00:53:14,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:53:14,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:53:14,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:53:14,162 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:53:14,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:53:14,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:53:14,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:53:14,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:53:14,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:53:14,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:53:14,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:53:14,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:53:14,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:53:14,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:53:14,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:53:14,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:53:14,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:53:14,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:53:14,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:53:14,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:53:14,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:53:14,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:53:14,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:53:14,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:53:14,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:53:14,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:53:14,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:53:14,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:53:14,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:53:14,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:53:14,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:53:14,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:53:14,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:53:14,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:53:14,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:53:14,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:53:14,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:53:14,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:53:14,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:53:14,224 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:53:14,225 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:53:14,239 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:53:14,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:53:14,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:53:14,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:53:14,241 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:53:14,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:53:14,241 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:53:14,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:53:14,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:53:14,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:53:14,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:53:14,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:53:14,243 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:53:14,243 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:53:14,243 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:53:14,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:53:14,244 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:53:14,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:53:14,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:53:14,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:53:14,245 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:53:14,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:53:14,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:53:14,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:53:14,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:53:14,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:53:14,246 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:53:14,246 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:53:14,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:53:14,247 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:53:14,247 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 -> 721040ccfb5c512d9b5570a5588d6d5badc4640a [2019-11-28 00:53:14,602 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:53:14,624 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:53:14,628 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:53:14,631 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:53:14,631 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:53:14,633 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/39_rand_lock_p0_vs.i [2019-11-28 00:53:14,699 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40110c50b/cc83d1bb87f449b9b210bf9c94786bca/FLAGfce842e83 [2019-11-28 00:53:15,246 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:53:15,247 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/39_rand_lock_p0_vs.i [2019-11-28 00:53:15,271 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40110c50b/cc83d1bb87f449b9b210bf9c94786bca/FLAGfce842e83 [2019-11-28 00:53:15,554 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40110c50b/cc83d1bb87f449b9b210bf9c94786bca [2019-11-28 00:53:15,556 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:53:15,558 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:53:15,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:53:15,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:53:15,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:53:15,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:53:15" (1/1) ... [2019-11-28 00:53:15,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@81e78d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:15, skipping insertion in model container [2019-11-28 00:53:15,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:53:15" (1/1) ... [2019-11-28 00:53:15,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:53:15,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:53:16,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:53:16,064 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:53:16,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:53:16,208 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:53:16,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:16 WrapperNode [2019-11-28 00:53:16,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:53:16,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:53:16,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:53:16,210 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:53:16,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:16" (1/1) ... [2019-11-28 00:53:16,242 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:16" (1/1) ... [2019-11-28 00:53:16,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:53:16,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:53:16,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:53:16,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:53:16,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:16" (1/1) ... [2019-11-28 00:53:16,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:16" (1/1) ... [2019-11-28 00:53:16,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:16" (1/1) ... [2019-11-28 00:53:16,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:16" (1/1) ... [2019-11-28 00:53:16,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:16" (1/1) ... [2019-11-28 00:53:16,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:16" (1/1) ... [2019-11-28 00:53:16,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:16" (1/1) ... [2019-11-28 00:53:16,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:53:16,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:53:16,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:53:16,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:53:16,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:16" (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 00:53:16,377 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-11-28 00:53:16,377 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-11-28 00:53:16,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:53:16,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:53:16,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 00:53:16,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:53:16,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:53:16,380 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 00:53:16,521 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-11-28 00:53:16,524 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-11-28 00:53:16,710 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 00:53:16,715 INFO L168 Benchmark]: Toolchain (without parser) took 1156.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -107.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:53:16,716 INFO L168 Benchmark]: CDTParser took 0.22 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 00:53:16,717 INFO L168 Benchmark]: CACSL2BoogieTranslator took 649.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -134.0 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:53:16,718 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.58 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 00:53:16,718 INFO L168 Benchmark]: Boogie Preprocessor took 36.98 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 00:53:16,719 INFO L168 Benchmark]: RCFGBuilder took 402.18 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: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:53:16,723 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 649.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -134.0 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 402.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...