./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_eb778eb0-59db-4e66-97ec-2e8d6942e8d1/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_eb778eb0-59db-4e66-97ec-2e8d6942e8d1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_eb778eb0-59db-4e66-97ec-2e8d6942e8d1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_eb778eb0-59db-4e66-97ec-2e8d6942e8d1/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i -s /tmp/vcloud-vcloud-master/worker/run_dir_eb778eb0-59db-4e66-97ec-2e8d6942e8d1/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_eb778eb0-59db-4e66-97ec-2e8d6942e8d1/bin/uautomizer --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 64bit --witnessprinter.graph.data.programhash 8a302dc4cb8a352d459ea272961b9f453d7824bb ....................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 23:44:53,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:44:53,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:44:53,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:44:53,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:44:53,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:44:53,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:44:53,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:44:53,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:44:53,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:44:53,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:44:53,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:44:53,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:44:53,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:44:53,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:44:53,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:44:53,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:44:53,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:44:53,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:44:53,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:44:53,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:44:53,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:44:53,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:44:53,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:44:53,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:44:53,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:44:53,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:44:53,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:44:53,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:44:53,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:44:53,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:44:53,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:44:53,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:44:53,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:44:53,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:44:53,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:44:53,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:44:53,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:44:53,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:44:53,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:44:53,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:44:53,186 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_eb778eb0-59db-4e66-97ec-2e8d6942e8d1/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-11-19 23:44:53,213 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:44:53,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:44:53,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:44:53,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:44:53,217 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:44:53,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:44:53,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:44:53,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:44:53,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 23:44:53,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 23:44:53,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 23:44:53,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:44:53,219 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:44:53,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 23:44:53,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:44:53,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:44:53,220 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 23:44:53,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 23:44:53,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 23:44:53,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:44:53,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 23:44:53,221 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 23:44:53,222 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 23:44:53,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 23:44:53,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 23:44:53,222 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-19 23:44:53,222 INFO L138 SettingsManager]: * To the following directory=dump/ 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_eb778eb0-59db-4e66-97ec-2e8d6942e8d1/bin/uautomizer 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a302dc4cb8a352d459ea272961b9f453d7824bb [2019-11-19 23:44:53,383 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:44:53,394 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:44:53,397 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:44:53,399 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:44:53,399 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:44:53,400 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_eb778eb0-59db-4e66-97ec-2e8d6942e8d1/bin/uautomizer/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2019-11-19 23:44:53,456 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eb778eb0-59db-4e66-97ec-2e8d6942e8d1/bin/uautomizer/data/d74df684b/59786af661d5448d97a92883d1602826/FLAGf0b5c2459 [2019-11-19 23:44:54,293 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:44:54,294 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_eb778eb0-59db-4e66-97ec-2e8d6942e8d1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2019-11-19 23:44:54,360 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eb778eb0-59db-4e66-97ec-2e8d6942e8d1/bin/uautomizer/data/d74df684b/59786af661d5448d97a92883d1602826/FLAGf0b5c2459 [2019-11-19 23:44:54,481 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_eb778eb0-59db-4e66-97ec-2e8d6942e8d1/bin/uautomizer/data/d74df684b/59786af661d5448d97a92883d1602826 [2019-11-19 23:44:54,485 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:44:54,487 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:44:54,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:44:54,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:44:54,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:44:54,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:44:54" (1/1) ... [2019-11-19 23:44:54,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6365c130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:44:54, skipping insertion in model container [2019-11-19 23:44:54,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:44:54" (1/1) ... [2019-11-19 23:44:54,510 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:44:54,668 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:44:57,136 ERROR L309 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2019-11-19 23:44:57,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4b72626e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:44:57, skipping insertion in model container [2019-11-19 23:44:57,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:44:57,137 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-19 23:44:57,140 INFO L168 Benchmark]: Toolchain (without parser) took 2651.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 928.5 MB in the beginning and 1.1 GB in the end (delta: -133.1 MB). Peak memory consumption was 100.1 MB. Max. memory is 11.5 GB. [2019-11-19 23:44:57,141 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:44:57,144 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2647.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 928.5 MB in the beginning and 1.1 GB in the end (delta: -133.1 MB). Peak memory consumption was 100.1 MB. Max. memory is 11.5 GB. [2019-11-19 23:44:57,145 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 2647.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 928.5 MB in the beginning and 1.1 GB in the end (delta: -133.1 MB). Peak memory consumption was 100.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 9724]: Unsupported Syntax we need to generalize this to nested and/or variable length arrays RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...