./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-nondet/nondet-array-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c9c8a757 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-nondet/nondet-array-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 bd7f48506d18b6e9cdd68178e930b6c5cab4d379 ....................................................................................................................................................................................... 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-nondet/nondet-array-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 bd7f48506d18b6e9cdd68178e930b6c5cab4d379 ......................................................................................................................................................................................... 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-c9c8a75 [2019-11-28 09:48:43,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 09:48:43,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 09:48:43,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 09:48:43,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 09:48:43,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 09:48:43,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 09:48:43,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 09:48:43,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 09:48:43,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 09:48:43,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 09:48:43,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 09:48:43,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 09:48:43,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 09:48:43,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 09:48:43,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 09:48:43,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 09:48:43,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 09:48:43,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 09:48:43,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 09:48:43,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 09:48:43,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 09:48:43,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 09:48:43,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 09:48:43,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 09:48:43,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 09:48:43,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 09:48:43,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 09:48:43,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 09:48:43,262 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 09:48:43,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 09:48:43,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 09:48:43,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 09:48:43,266 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 09:48:43,268 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 09:48:43,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 09:48:43,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 09:48:43,270 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 09:48:43,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 09:48:43,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 09:48:43,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 09:48:43,275 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 09:48:43,293 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 09:48:43,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 09:48:43,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 09:48:43,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 09:48:43,295 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 09:48:43,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 09:48:43,296 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 09:48:43,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 09:48:43,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 09:48:43,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 09:48:43,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 09:48:43,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 09:48:43,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 09:48:43,298 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 09:48:43,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 09:48:43,299 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 09:48:43,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 09:48:43,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 09:48:43,300 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 09:48:43,300 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 09:48:43,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 09:48:43,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 09:48:43,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 09:48:43,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 09:48:43,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 09:48:43,302 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 09:48:43,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 09:48:43,302 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 09:48:43,303 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 -> bd7f48506d18b6e9cdd68178e930b6c5cab4d379 [2019-11-28 09:48:43,624 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 09:48:43,637 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 09:48:43,641 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 09:48:43,642 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 09:48:43,643 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 09:48:43,643 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-nondet/nondet-array-1.i [2019-11-28 09:48:43,709 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3be7a2bf4/2877f197a2114ba6823c47bc08d34a2f/FLAG37318f980 [2019-11-28 09:48:44,266 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 09:48:44,267 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-nondet/nondet-array-1.i [2019-11-28 09:48:44,286 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3be7a2bf4/2877f197a2114ba6823c47bc08d34a2f/FLAG37318f980 [2019-11-28 09:48:44,557 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3be7a2bf4/2877f197a2114ba6823c47bc08d34a2f [2019-11-28 09:48:44,562 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 09:48:44,564 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 09:48:44,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 09:48:44,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 09:48:44,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 09:48:44,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:48:44" (1/1) ... [2019-11-28 09:48:44,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b42b8c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:48:44, skipping insertion in model container [2019-11-28 09:48:44,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:48:44" (1/1) ... [2019-11-28 09:48:44,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 09:48:44,636 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 09:48:45,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 09:48:45,109 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 09:48:45,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 09:48:45,254 INFO L208 MainTranslator]: Completed translation [2019-11-28 09:48:45,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:48:45 WrapperNode [2019-11-28 09:48:45,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 09:48:45,256 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 09:48:45,256 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 09:48:45,257 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 09:48:45,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:48:45" (1/1) ... [2019-11-28 09:48:45,306 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:48:45" (1/1) ... [2019-11-28 09:48:45,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 09:48:45,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 09:48:45,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 09:48:45,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 09:48:45,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:48:45" (1/1) ... [2019-11-28 09:48:45,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:48:45" (1/1) ... [2019-11-28 09:48:45,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:48:45" (1/1) ... [2019-11-28 09:48:45,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:48:45" (1/1) ... [2019-11-28 09:48:45,373 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:48:45" (1/1) ... [2019-11-28 09:48:45,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:48:45" (1/1) ... [2019-11-28 09:48:45,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:48:45" (1/1) ... [2019-11-28 09:48:45,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 09:48:45,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 09:48:45,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 09:48:45,399 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 09:48:45,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:48:45" (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 09:48:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-28 09:48:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 09:48:45,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 09:48:45,481 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2019-11-28 09:48:45,482 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2019-11-28 09:48:45,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 09:48:45,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 09:48:45,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 09:48:45,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 09:48:45,485 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 09:48:45,844 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$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1718) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1630) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 09:48:45,851 INFO L168 Benchmark]: Toolchain (without parser) took 1284.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -121.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. [2019-11-28 09:48:45,851 INFO L168 Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 09:48:45,853 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -152.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 09:48:45,855 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 09:48:45,857 INFO L168 Benchmark]: Boogie Preprocessor took 57.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 09:48:45,858 INFO L168 Benchmark]: RCFGBuilder took 454.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-11-28 09:48:45,864 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 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 689.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -152.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.96 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 454.24 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: 24.5 MB). Peak memory consumption was 24.5 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:1718) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-c9c8a75 [2019-11-28 09:48:47,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 09:48:47,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 09:48:47,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 09:48:47,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 09:48:47,821 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 09:48:47,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 09:48:47,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 09:48:47,827 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 09:48:47,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 09:48:47,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 09:48:47,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 09:48:47,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 09:48:47,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 09:48:47,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 09:48:47,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 09:48:47,840 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 09:48:47,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 09:48:47,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 09:48:47,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 09:48:47,855 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 09:48:47,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 09:48:47,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 09:48:47,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 09:48:47,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 09:48:47,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 09:48:47,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 09:48:47,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 09:48:47,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 09:48:47,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 09:48:47,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 09:48:47,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 09:48:47,874 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 09:48:47,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 09:48:47,877 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 09:48:47,877 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 09:48:47,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 09:48:47,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 09:48:47,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 09:48:47,881 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 09:48:47,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 09:48:47,884 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 09:48:47,904 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 09:48:47,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 09:48:47,907 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 09:48:47,907 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 09:48:47,907 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 09:48:47,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 09:48:47,908 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 09:48:47,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 09:48:47,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 09:48:47,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 09:48:47,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 09:48:47,910 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 09:48:47,910 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 09:48:47,911 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 09:48:47,911 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 09:48:47,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 09:48:47,912 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 09:48:47,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 09:48:47,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 09:48:47,913 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 09:48:47,913 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 09:48:47,913 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 09:48:47,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 09:48:47,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 09:48:47,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 09:48:47,914 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 09:48:47,914 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 09:48:47,915 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 09:48:47,915 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 09:48:47,915 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 09:48:47,916 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 -> bd7f48506d18b6e9cdd68178e930b6c5cab4d379 [2019-11-28 09:48:48,218 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 09:48:48,231 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 09:48:48,234 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 09:48:48,236 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 09:48:48,236 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 09:48:48,237 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-nondet/nondet-array-1.i [2019-11-28 09:48:48,295 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30ed17b88/71d9fa1e426a4c1287b37ecbc46c0457/FLAG4206efe9b [2019-11-28 09:48:48,835 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 09:48:48,835 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-nondet/nondet-array-1.i [2019-11-28 09:48:48,847 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30ed17b88/71d9fa1e426a4c1287b37ecbc46c0457/FLAG4206efe9b [2019-11-28 09:48:49,128 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30ed17b88/71d9fa1e426a4c1287b37ecbc46c0457 [2019-11-28 09:48:49,131 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 09:48:49,133 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 09:48:49,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 09:48:49,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 09:48:49,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 09:48:49,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:48:49" (1/1) ... [2019-11-28 09:48:49,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e45288c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:48:49, skipping insertion in model container [2019-11-28 09:48:49,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:48:49" (1/1) ... [2019-11-28 09:48:49,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 09:48:49,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 09:48:49,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 09:48:49,668 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 09:48:49,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 09:48:49,784 INFO L208 MainTranslator]: Completed translation [2019-11-28 09:48:49,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:48:49 WrapperNode [2019-11-28 09:48:49,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 09:48:49,785 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 09:48:49,786 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 09:48:49,786 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 09:48:49,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:48:49" (1/1) ... [2019-11-28 09:48:49,819 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:48:49" (1/1) ... [2019-11-28 09:48:49,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 09:48:49,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 09:48:49,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 09:48:49,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 09:48:49,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:48:49" (1/1) ... [2019-11-28 09:48:49,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:48:49" (1/1) ... [2019-11-28 09:48:49,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:48:49" (1/1) ... [2019-11-28 09:48:49,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:48:49" (1/1) ... [2019-11-28 09:48:49,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:48:49" (1/1) ... [2019-11-28 09:48:49,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:48:49" (1/1) ... [2019-11-28 09:48:49,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:48:49" (1/1) ... [2019-11-28 09:48:49,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 09:48:49,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 09:48:49,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 09:48:49,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 09:48:49,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:48:49" (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 09:48:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 09:48:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-28 09:48:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2019-11-28 09:48:49,946 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2019-11-28 09:48:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 09:48:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 09:48:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 09:48:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 09:48:49,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 09:48:49,949 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 09:48:50,346 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:1718) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1630) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 09:48:50,352 INFO L168 Benchmark]: Toolchain (without parser) took 1218.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -125.7 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-11-28 09:48:50,353 INFO L168 Benchmark]: CDTParser took 0.29 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 09:48:50,354 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -156.4 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2019-11-28 09:48:50,355 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.57 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 09:48:50,356 INFO L168 Benchmark]: Boogie Preprocessor took 37.19 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 09:48:50,357 INFO L168 Benchmark]: RCFGBuilder took 469.89 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: 30.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. [2019-11-28 09:48:50,360 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 650.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -156.4 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.57 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 469.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1718) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...