./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-lit/fkp2013-1.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-lit/fkp2013-1.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 52dfc28dff412753b76c30ac2c215936ccad50d8 ....................................................................................................................................................................................... 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-lit/fkp2013-1.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 52dfc28dff412753b76c30ac2c215936ccad50d8 ......................................................................................................................................................................................... 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 01:04:41,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:04:41,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:04:41,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:04:41,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:04:41,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:04:41,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:04:41,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:04:41,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:04:41,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:04:41,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:04:41,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:04:41,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:04:41,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:04:41,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:04:41,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:04:41,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:04:41,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:04:41,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:04:41,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:04:41,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:04:41,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:04:41,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:04:41,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:04:41,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:04:41,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:04:41,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:04:41,157 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:04:41,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:04:41,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:04:41,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:04:41,160 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:04:41,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:04:41,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:04:41,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:04:41,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:04:41,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:04:41,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:04:41,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:04:41,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:04:41,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:04:41,169 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:04:41,206 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:04:41,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:04:41,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:04:41,212 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:04:41,212 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:04:41,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:04:41,214 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:04:41,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:04:41,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:04:41,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:04:41,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:04:41,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:04:41,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:04:41,215 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:04:41,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:04:41,216 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:04:41,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:04:41,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:04:41,217 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:04:41,218 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:04:41,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:04:41,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:04:41,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:04:41,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:04:41,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:04:41,219 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:04:41,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:04:41,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:04:41,220 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 -> 52dfc28dff412753b76c30ac2c215936ccad50d8 [2019-11-28 01:04:41,587 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:04:41,609 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:04:41,612 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:04:41,614 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:04:41,614 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:04:41,615 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-lit/fkp2013-1.i [2019-11-28 01:04:41,687 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5f5fcff5/744a658419994b07bd4f86d359dcc9b0/FLAG085ffa507 [2019-11-28 01:04:42,255 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:04:42,256 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-lit/fkp2013-1.i [2019-11-28 01:04:42,268 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5f5fcff5/744a658419994b07bd4f86d359dcc9b0/FLAG085ffa507 [2019-11-28 01:04:42,520 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5f5fcff5/744a658419994b07bd4f86d359dcc9b0 [2019-11-28 01:04:42,523 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:04:42,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:04:42,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:04:42,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:04:42,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:04:42,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:04:42" (1/1) ... [2019-11-28 01:04:42,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f6e971e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:42, skipping insertion in model container [2019-11-28 01:04:42,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:04:42" (1/1) ... [2019-11-28 01:04:42,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:04:42,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:04:43,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:04:43,111 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:04:43,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:04:43,277 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:04:43,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:43 WrapperNode [2019-11-28 01:04:43,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:04:43,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:04:43,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:04:43,280 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:04:43,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:43" (1/1) ... [2019-11-28 01:04:43,306 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:43" (1/1) ... [2019-11-28 01:04:43,325 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:04:43,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:04:43,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:04:43,326 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:04:43,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:43" (1/1) ... [2019-11-28 01:04:43,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:43" (1/1) ... [2019-11-28 01:04:43,336 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:43" (1/1) ... [2019-11-28 01:04:43,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:43" (1/1) ... [2019-11-28 01:04:43,341 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:43" (1/1) ... [2019-11-28 01:04:43,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:43" (1/1) ... [2019-11-28 01:04:43,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:43" (1/1) ... [2019-11-28 01:04:43,349 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:04:43,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:04:43,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:04:43,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:04:43,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:43" (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 01:04:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-11-28 01:04:43,410 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-11-28 01:04:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-11-28 01:04:43,410 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-11-28 01:04:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:04:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:04:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:04:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:04:43,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:04:43,412 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 01:04:43,735 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:04:43,742 INFO L168 Benchmark]: Toolchain (without parser) took 1215.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -110.1 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:43,743 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:04:43,744 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -140.9 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:43,745 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:43,746 INFO L168 Benchmark]: Boogie Preprocessor took 23.39 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:04:43,747 INFO L168 Benchmark]: RCFGBuilder took 389.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:43,751 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 753.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -140.9 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.78 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.39 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 389.61 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: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 01:04:45,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:04:45,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:04:45,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:04:45,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:04:45,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:04:45,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:04:45,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:04:45,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:04:45,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:04:45,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:04:45,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:04:45,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:04:45,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:04:45,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:04:45,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:04:45,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:04:45,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:04:45,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:04:45,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:04:45,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:04:45,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:04:45,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:04:45,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:04:45,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:04:45,838 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:04:45,838 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:04:45,839 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:04:45,842 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:04:45,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:04:45,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:04:45,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:04:45,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:04:45,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:04:45,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:04:45,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:04:45,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:04:45,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:04:45,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:04:45,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:04:45,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:04:45,851 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:04:45,866 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:04:45,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:04:45,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:04:45,867 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:04:45,868 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:04:45,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:04:45,868 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:04:45,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:04:45,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:04:45,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:04:45,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:04:45,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:04:45,869 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:04:45,870 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:04:45,870 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:04:45,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:04:45,870 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:04:45,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:04:45,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:04:45,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:04:45,871 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:04:45,871 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:04:45,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:04:45,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:04:45,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:04:45,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:04:45,872 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:04:45,873 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:04:45,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:04:45,873 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:04:45,873 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 -> 52dfc28dff412753b76c30ac2c215936ccad50d8 [2019-11-28 01:04:46,177 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:04:46,192 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:04:46,195 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:04:46,197 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:04:46,197 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:04:46,199 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-lit/fkp2013-1.i [2019-11-28 01:04:46,269 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/380d8565c/adedab29178c43acbaf1515e77d04b60/FLAGfec54aa63 [2019-11-28 01:04:46,809 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:04:46,811 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-lit/fkp2013-1.i [2019-11-28 01:04:46,829 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/380d8565c/adedab29178c43acbaf1515e77d04b60/FLAGfec54aa63 [2019-11-28 01:04:47,071 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/380d8565c/adedab29178c43acbaf1515e77d04b60 [2019-11-28 01:04:47,076 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:04:47,077 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:04:47,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:04:47,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:04:47,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:04:47,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:04:47" (1/1) ... [2019-11-28 01:04:47,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23731947 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:47, skipping insertion in model container [2019-11-28 01:04:47,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:04:47" (1/1) ... [2019-11-28 01:04:47,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:04:47,136 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:04:47,598 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:04:47,613 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:04:47,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:04:47,748 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:04:47,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:47 WrapperNode [2019-11-28 01:04:47,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:04:47,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:04:47,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:04:47,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:04:47,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:47" (1/1) ... [2019-11-28 01:04:47,782 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:47" (1/1) ... [2019-11-28 01:04:47,805 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:04:47,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:04:47,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:04:47,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:04:47,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:47" (1/1) ... [2019-11-28 01:04:47,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:47" (1/1) ... [2019-11-28 01:04:47,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:47" (1/1) ... [2019-11-28 01:04:47,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:47" (1/1) ... [2019-11-28 01:04:47,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:47" (1/1) ... [2019-11-28 01:04:47,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:47" (1/1) ... [2019-11-28 01:04:47,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:47" (1/1) ... [2019-11-28 01:04:47,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:04:47,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:04:47,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:04:47,840 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:04:47,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:47" (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 01:04:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-11-28 01:04:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-11-28 01:04:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-11-28 01:04:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-11-28 01:04:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:04:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:04:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:04:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:04:47,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:04:47,909 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 01:04:48,320 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 01:04:48,326 INFO L168 Benchmark]: Toolchain (without parser) took 1247.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 963.0 MB in the beginning and 1.1 GB in the end (delta: -112.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:48,327 INFO L168 Benchmark]: CDTParser took 0.33 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 01:04:48,328 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -143.3 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:48,329 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.04 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 01:04:48,329 INFO L168 Benchmark]: Boogie Preprocessor took 33.63 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 01:04:48,330 INFO L168 Benchmark]: RCFGBuilder took 484.24 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: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:48,334 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 670.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -143.3 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 484.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...