./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--iowarrior.ko.cil.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/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--iowarrior.ko.cil.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 3bdc96f280b2d7570ac5097b700c51d56f299f8e ................................................................................................................................................................................................ 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/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--iowarrior.ko.cil.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 3bdc96f280b2d7570ac5097b700c51d56f299f8e ......................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 01:05:03,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:05:03,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:05:03,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:05:03,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:05:03,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:05:03,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:05:03,218 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:05:03,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:05:03,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:05:03,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:05:03,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:05:03,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:05:03,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:05:03,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:05:03,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:05:03,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:05:03,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:05:03,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:05:03,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:05:03,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:05:03,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:05:03,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:05:03,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:05:03,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:05:03,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:05:03,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:05:03,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:05:03,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:05:03,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:05:03,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:05:03,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:05:03,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:05:03,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:05:03,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:05:03,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:05:03,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:05:03,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:05:03,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:05:03,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:05:03,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:05:03,268 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:05:03,291 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:05:03,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:05:03,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:05:03,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:05:03,294 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:05:03,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:05:03,295 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:05:03,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:05:03,295 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:05:03,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:05:03,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:05:03,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:05:03,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:05:03,298 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:05:03,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:05:03,298 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:05:03,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:05:03,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:05:03,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:05:03,299 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:05:03,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:05:03,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:05:03,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:05:03,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:05:03,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:05:03,300 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:05:03,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:05:03,301 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:05:03,301 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 -> 3bdc96f280b2d7570ac5097b700c51d56f299f8e [2019-11-28 01:05:03,626 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:05:03,639 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:05:03,642 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:05:03,644 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:05:03,644 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:05:03,645 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--iowarrior.ko.cil.i [2019-11-28 01:05:03,711 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f77e17705/0acc0e538abd42fc89aced69bc82f763/FLAGb4a93d413 [2019-11-28 01:05:04,598 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:05:04,599 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--iowarrior.ko.cil.i [2019-11-28 01:05:04,633 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f77e17705/0acc0e538abd42fc89aced69bc82f763/FLAGb4a93d413 [2019-11-28 01:05:05,146 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f77e17705/0acc0e538abd42fc89aced69bc82f763 [2019-11-28 01:05:05,150 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:05:05,152 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:05:05,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:05:05,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:05:05,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:05:05,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:05" (1/1) ... [2019-11-28 01:05:05,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40258f00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:05, skipping insertion in model container [2019-11-28 01:05:05,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:05" (1/1) ... [2019-11-28 01:05:05,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:05:05,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:05:07,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:05:07,206 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:05:07,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:05:07,980 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:05:07,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07 WrapperNode [2019-11-28 01:05:07,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:05:07,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:05:07,984 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:05:07,984 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:05:07,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07" (1/1) ... [2019-11-28 01:05:08,075 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07" (1/1) ... [2019-11-28 01:05:08,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:05:08,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:05:08,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:05:08,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:05:08,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07" (1/1) ... [2019-11-28 01:05:08,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07" (1/1) ... [2019-11-28 01:05:08,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07" (1/1) ... [2019-11-28 01:05:08,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07" (1/1) ... [2019-11-28 01:05:08,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07" (1/1) ... [2019-11-28 01:05:08,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07" (1/1) ... [2019-11-28 01:05:08,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07" (1/1) ... [2019-11-28 01:05:08,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:05:08,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:05:08,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:05:08,539 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:05:08,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:05:08,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2019-11-28 01:05:08,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2019-11-28 01:05:08,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:05:08,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_scenario_3 [2019-11-28 01:05:08,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_scenario_3 [2019-11-28 01:05:08,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 01:05:08,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:05:08,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-28 01:05:08,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 01:05:08,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:05:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-11-28 01:05:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 01:05:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 01:05:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_character_driver_scenario_2 [2019-11-28 01:05:08,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_character_driver_scenario_2 [2019-11-28 01:05:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 01:05:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:05:08,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:05:08,640 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 01:05:14,900 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1632) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:05:14,908 INFO L168 Benchmark]: Toolchain (without parser) took 9754.39 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 273.2 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -126.8 MB). Peak memory consumption was 498.0 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:14,908 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:05:14,911 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2829.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 949.6 MB in the beginning and 888.3 MB in the end (delta: 61.4 MB). Peak memory consumption was 167.5 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:14,913 INFO L168 Benchmark]: Boogie Procedure Inliner took 304.32 ms. Allocated memory is still 1.1 GB. Free memory was 888.3 MB in the beginning and 867.1 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:14,915 INFO L168 Benchmark]: Boogie Preprocessor took 249.96 ms. Allocated memory is still 1.1 GB. Free memory was 867.1 MB in the beginning and 845.8 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:14,920 INFO L168 Benchmark]: RCFGBuilder took 6366.35 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 179.8 MB). Free memory was 845.8 MB in the beginning and 1.1 GB in the end (delta: -230.7 MB). Peak memory consumption was 300.8 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:14,926 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 2829.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 949.6 MB in the beginning and 888.3 MB in the end (delta: 61.4 MB). Peak memory consumption was 167.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 304.32 ms. Allocated memory is still 1.1 GB. Free memory was 888.3 MB in the beginning and 867.1 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 249.96 ms. Allocated memory is still 1.1 GB. Free memory was 867.1 MB in the beginning and 845.8 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 6366.35 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 179.8 MB). Free memory was 845.8 MB in the beginning and 1.1 GB in the end (delta: -230.7 MB). Peak memory consumption was 300.8 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:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 01:05:16,819 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:05:16,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:05:16,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:05:16,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:05:16,836 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:05:16,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:05:16,839 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:05:16,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:05:16,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:05:16,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:05:16,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:05:16,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:05:16,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:05:16,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:05:16,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:05:16,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:05:16,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:05:16,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:05:16,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:05:16,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:05:16,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:05:16,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:05:16,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:05:16,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:05:16,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:05:16,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:05:16,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:05:16,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:05:16,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:05:16,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:05:16,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:05:16,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:05:16,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:05:16,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:05:16,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:05:16,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:05:16,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:05:16,871 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:05:16,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:05:16,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:05:16,874 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:05:16,889 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:05:16,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:05:16,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:05:16,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:05:16,892 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:05:16,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:05:16,892 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:05:16,892 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:05:16,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:05:16,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:05:16,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:05:16,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:05:16,894 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:05:16,894 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:05:16,894 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:05:16,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:05:16,895 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:05:16,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:05:16,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:05:16,896 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:05:16,896 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:05:16,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:05:16,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:05:16,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:05:16,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:05:16,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:05:16,898 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:05:16,898 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:05:16,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:05:16,899 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:05:16,899 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 -> 3bdc96f280b2d7570ac5097b700c51d56f299f8e [2019-11-28 01:05:17,199 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:05:17,212 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:05:17,216 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:05:17,217 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:05:17,218 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:05:17,219 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--iowarrior.ko.cil.i [2019-11-28 01:05:17,283 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b09a48d7/a4113377027945f2bcb11033de2aced2/FLAGabbc7f377 [2019-11-28 01:05:18,020 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:05:18,022 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--iowarrior.ko.cil.i [2019-11-28 01:05:18,062 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b09a48d7/a4113377027945f2bcb11033de2aced2/FLAGabbc7f377 [2019-11-28 01:05:18,573 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b09a48d7/a4113377027945f2bcb11033de2aced2 [2019-11-28 01:05:18,577 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:05:18,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:05:18,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:05:18,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:05:18,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:05:18,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:18" (1/1) ... [2019-11-28 01:05:18,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@421460c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:18, skipping insertion in model container [2019-11-28 01:05:18,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:18" (1/1) ... [2019-11-28 01:05:18,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:05:18,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:05:20,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:05:20,757 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:05:21,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:05:21,585 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:05:21,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:21 WrapperNode [2019-11-28 01:05:21,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:05:21,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:05:21,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:05:21,588 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:05:21,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:21" (1/1) ... [2019-11-28 01:05:21,696 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:21" (1/1) ... [2019-11-28 01:05:21,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:05:21,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:05:21,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:05:21,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:05:21,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:21" (1/1) ... [2019-11-28 01:05:21,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:21" (1/1) ... [2019-11-28 01:05:21,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:21" (1/1) ... [2019-11-28 01:05:21,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:21" (1/1) ... [2019-11-28 01:05:22,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:21" (1/1) ... [2019-11-28 01:05:22,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:21" (1/1) ... [2019-11-28 01:05:22,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:21" (1/1) ... [2019-11-28 01:05:22,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:05:22,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:05:22,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:05:22,095 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:05:22,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:05:22,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-11-28 01:05:22,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2019-11-28 01:05:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 01:05:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2019-11-28 01:05:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2019-11-28 01:05:22,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2019-11-28 01:05:22,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:05:22,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_scenario_3 [2019-11-28 01:05:22,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_scenario_3 [2019-11-28 01:05:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 01:05:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-11-28 01:05:22,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2019-11-28 01:05:22,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:05:22,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:05:22,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-28 01:05:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2019-11-28 01:05:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-11-28 01:05:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-11-28 01:05:22,182 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-11-28 01:05:22,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 01:05:22,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 01:05:22,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_character_driver_scenario_2 [2019-11-28 01:05:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_character_driver_scenario_2 [2019-11-28 01:05:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:05:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:05:22,191 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 01:05:30,256 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1632) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:05:30,262 INFO L168 Benchmark]: Toolchain (without parser) took 11682.69 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 324.5 MB). Free memory was 942.8 MB in the beginning and 1.1 GB in the end (delta: -114.0 MB). Peak memory consumption was 437.0 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:30,263 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:05:30,264 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3006.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 942.8 MB in the beginning and 929.7 MB in the end (delta: 13.1 MB). Peak memory consumption was 168.3 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:30,265 INFO L168 Benchmark]: Boogie Procedure Inliner took 258.89 ms. Allocated memory is still 1.2 GB. Free memory was 929.7 MB in the beginning and 902.4 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:30,266 INFO L168 Benchmark]: Boogie Preprocessor took 247.01 ms. Allocated memory is still 1.2 GB. Free memory was 902.4 MB in the beginning and 882.0 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:30,267 INFO L168 Benchmark]: RCFGBuilder took 8165.48 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 183.0 MB). Free memory was 882.0 MB in the beginning and 1.1 GB in the end (delta: -174.8 MB). Peak memory consumption was 234.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:05:30,270 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 3006.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 942.8 MB in the beginning and 929.7 MB in the end (delta: 13.1 MB). Peak memory consumption was 168.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 258.89 ms. Allocated memory is still 1.2 GB. Free memory was 929.7 MB in the beginning and 902.4 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 247.01 ms. Allocated memory is still 1.2 GB. Free memory was 902.4 MB in the beginning and 882.0 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 8165.48 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 183.0 MB). Free memory was 882.0 MB in the beginning and 1.1 GB in the end (delta: -174.8 MB). Peak memory consumption was 234.7 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...