./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-complex/safestack_relacy.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-complex/safestack_relacy.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 bf12ec65a8c1a33c85aaf5d77bffaedefd70b93b ......................................................................................................................................................................................... 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-complex/safestack_relacy.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 bf12ec65a8c1a33c85aaf5d77bffaedefd70b93b ........................................................................................................................................................................................... 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 01:05:04,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:05:04,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:05:04,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:05:04,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:05:04,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:05:04,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:05:04,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:05:04,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:05:04,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:05:04,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:05:04,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:05:04,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:05:04,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:05:04,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:05:04,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:05:04,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:05:04,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:05:04,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:05:04,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:05:04,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:05:04,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:05:04,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:05:04,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:05:04,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:05:04,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:05:04,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:05:04,425 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:05:04,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:05:04,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:05:04,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:05:04,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:05:04,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:05:04,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:05:04,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:05:04,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:05:04,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:05:04,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:05:04,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:05:04,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:05:04,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:05:04,437 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:05:04,466 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:05:04,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:05:04,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:05:04,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:05:04,469 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:05:04,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:05:04,469 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:05:04,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:05:04,470 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:05:04,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:05:04,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:05:04,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:05:04,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:05:04,471 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:05:04,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:05:04,472 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:05:04,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:05:04,472 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:05:04,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:05:04,473 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:05:04,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:05:04,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:05:04,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:05:04,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:05:04,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:05:04,475 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:05:04,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:05:04,475 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:05:04,476 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 -> bf12ec65a8c1a33c85aaf5d77bffaedefd70b93b [2019-11-28 01:05:04,801 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:05:04,818 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:05:04,824 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:05:04,825 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:05:04,826 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:05:04,827 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-complex/safestack_relacy.i [2019-11-28 01:05:04,903 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6ef1f17d/07b2359a122547e095c2cacc7487cf6e/FLAG00bf3f045 [2019-11-28 01:05:05,639 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:05:05,640 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-complex/safestack_relacy.i [2019-11-28 01:05:05,673 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6ef1f17d/07b2359a122547e095c2cacc7487cf6e/FLAG00bf3f045 [2019-11-28 01:05:05,763 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6ef1f17d/07b2359a122547e095c2cacc7487cf6e [2019-11-28 01:05:05,766 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:05:05,767 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:05:05,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:05:05,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:05:05,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:05:05,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:05" (1/1) ... [2019-11-28 01:05:05,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc447bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:05, skipping insertion in model container [2019-11-28 01:05:05,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:05" (1/1) ... [2019-11-28 01:05:05,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:05:05,854 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:05:06,748 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:05:06,759 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:05:06,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:05:07,264 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:05:07,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07 WrapperNode [2019-11-28 01:05:07,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:05:07,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:05:07,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:05:07,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:05:07,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07" (1/1) ... [2019-11-28 01:05:07,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07" (1/1) ... [2019-11-28 01:05:07,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:05:07,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:05:07,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:05:07,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:05:07,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07" (1/1) ... [2019-11-28 01:05:07,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07" (1/1) ... [2019-11-28 01:05:07,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07" (1/1) ... [2019-11-28 01:05:07,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07" (1/1) ... [2019-11-28 01:05:07,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07" (1/1) ... [2019-11-28 01:05:07,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07" (1/1) ... [2019-11-28 01:05:07,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07" (1/1) ... [2019-11-28 01:05:07,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:05:07,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:05:07,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:05:07,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:05:07,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07" (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 01:05:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:05:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:05:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:05:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 01:05:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2019-11-28 01:05:07,510 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2019-11-28 01:05:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:05:07,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:05:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:05:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:05:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 01:05:07,514 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 01:05:08,644 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:05:08,651 INFO L168 Benchmark]: Toolchain (without parser) took 2882.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 949.6 MB in the beginning and 902.3 MB in the end (delta: 47.4 MB). Peak memory consumption was 170.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:08,652 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:05:08,653 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1493.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 949.6 MB in the beginning and 968.3 MB in the end (delta: -18.7 MB). Peak memory consumption was 115.3 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:08,653 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.43 ms. Allocated memory is still 1.2 GB. Free memory is still 968.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:05:08,654 INFO L168 Benchmark]: Boogie Preprocessor took 58.41 ms. Allocated memory is still 1.2 GB. Free memory was 968.3 MB in the beginning and 961.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:08,655 INFO L168 Benchmark]: RCFGBuilder took 1230.53 ms. Allocated memory is still 1.2 GB. Free memory was 961.5 MB in the beginning and 902.3 MB in the end (delta: 59.2 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:08,659 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1493.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 949.6 MB in the beginning and 968.3 MB in the end (delta: -18.7 MB). Peak memory consumption was 115.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 92.43 ms. Allocated memory is still 1.2 GB. Free memory is still 968.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.41 ms. Allocated memory is still 1.2 GB. Free memory was 968.3 MB in the beginning and 961.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1230.53 ms. Allocated memory is still 1.2 GB. Free memory was 961.5 MB in the beginning and 902.3 MB in the end (delta: 59.2 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 01:05:10,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:05:10,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:05:10,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:05:10,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:05:10,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:05:10,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:05:10,676 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:05:10,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:05:10,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:05:10,680 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:05:10,682 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:05:10,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:05:10,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:05:10,685 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:05:10,686 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:05:10,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:05:10,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:05:10,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:05:10,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:05:10,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:05:10,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:05:10,710 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:05:10,713 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:05:10,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:05:10,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:05:10,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:05:10,719 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:05:10,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:05:10,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:05:10,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:05:10,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:05:10,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:05:10,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:05:10,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:05:10,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:05:10,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:05:10,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:05:10,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:05:10,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:05:10,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:05:10,736 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:05:10,760 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:05:10,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:05:10,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:05:10,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:05:10,764 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:05:10,765 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:05:10,765 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:05:10,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:05:10,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:05:10,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:05:10,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:05:10,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:05:10,768 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:05:10,768 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:05:10,769 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:05:10,769 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:05:10,769 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:05:10,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:05:10,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:05:10,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:05:10,770 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:05:10,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:05:10,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:05:10,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:05:10,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:05:10,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:05:10,772 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:05:10,772 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:05:10,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:05:10,773 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:05:10,773 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 -> bf12ec65a8c1a33c85aaf5d77bffaedefd70b93b [2019-11-28 01:05:11,097 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:05:11,109 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:05:11,114 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:05:11,116 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:05:11,117 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:05:11,117 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-complex/safestack_relacy.i [2019-11-28 01:05:11,200 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59935ad59/2868b6dbc7224d98aee635e96ec862bb/FLAG51032344e [2019-11-28 01:05:11,854 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:05:11,854 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-complex/safestack_relacy.i [2019-11-28 01:05:11,884 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59935ad59/2868b6dbc7224d98aee635e96ec862bb/FLAG51032344e [2019-11-28 01:05:12,108 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59935ad59/2868b6dbc7224d98aee635e96ec862bb [2019-11-28 01:05:12,111 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:05:12,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:05:12,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:05:12,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:05:12,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:05:12,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:12" (1/1) ... [2019-11-28 01:05:12,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40be7b54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:12, skipping insertion in model container [2019-11-28 01:05:12,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:12" (1/1) ... [2019-11-28 01:05:12,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:05:12,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:05:13,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:05:13,118 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:05:13,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:05:13,764 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:05:13,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:13 WrapperNode [2019-11-28 01:05:13,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:05:13,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:05:13,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:05:13,768 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:05:13,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:13" (1/1) ... [2019-11-28 01:05:13,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:13" (1/1) ... [2019-11-28 01:05:13,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:05:13,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:05:13,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:05:13,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:05:13,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:13" (1/1) ... [2019-11-28 01:05:13,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:13" (1/1) ... [2019-11-28 01:05:13,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:13" (1/1) ... [2019-11-28 01:05:13,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:13" (1/1) ... [2019-11-28 01:05:13,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:13" (1/1) ... [2019-11-28 01:05:13,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:13" (1/1) ... [2019-11-28 01:05:13,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:13" (1/1) ... [2019-11-28 01:05:14,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:05:14,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:05:14,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:05:14,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:05:14,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:13" (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 01:05:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:05:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:05:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-11-28 01:05:14,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:05:14,072 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2019-11-28 01:05:14,072 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2019-11-28 01:05:14,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:05:14,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:05:14,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 01:05:14,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:05:14,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:05:14,075 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 01:05:15,238 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 01:05:15,244 INFO L168 Benchmark]: Toolchain (without parser) took 3130.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 953.5 MB in the beginning and 899.0 MB in the end (delta: 54.5 MB). Peak memory consumption was 178.8 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:15,245 INFO L168 Benchmark]: CDTParser took 0.64 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 01:05:15,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1652.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 953.5 MB in the beginning and 971.0 MB in the end (delta: -17.5 MB). Peak memory consumption was 117.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:15,246 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.54 ms. Allocated memory is still 1.2 GB. Free memory is still 971.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:05:15,247 INFO L168 Benchmark]: Boogie Preprocessor took 107.34 ms. Allocated memory is still 1.2 GB. Free memory was 971.0 MB in the beginning and 964.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:15,248 INFO L168 Benchmark]: RCFGBuilder took 1236.67 ms. Allocated memory is still 1.2 GB. Free memory was 964.3 MB in the beginning and 899.0 MB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:15,252 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1652.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 953.5 MB in the beginning and 971.0 MB in the end (delta: -17.5 MB). Peak memory consumption was 117.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 129.54 ms. Allocated memory is still 1.2 GB. Free memory is still 971.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 107.34 ms. Allocated memory is still 1.2 GB. Free memory was 971.0 MB in the beginning and 964.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1236.67 ms. Allocated memory is still 1.2 GB. Free memory was 964.3 MB in the beginning and 899.0 MB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...