./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-net-wireless-mwifiex-mwifiex.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_10805b01-a824-461f-8880-9005940a7f52/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_10805b01-a824-461f-8880-9005940a7f52/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_10805b01-a824-461f-8880-9005940a7f52/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_10805b01-a824-461f-8880-9005940a7f52/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-mwifiex-mwifiex.cil.i -s /tmp/vcloud-vcloud-master/worker/run_dir_10805b01-a824-461f-8880-9005940a7f52/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_10805b01-a824-461f-8880-9005940a7f52/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5dc900c2b78148999283a7cd7d2589af76afe08e ....................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_10805b01-a824-461f-8880-9005940a7f52/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_10805b01-a824-461f-8880-9005940a7f52/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_10805b01-a824-461f-8880-9005940a7f52/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_10805b01-a824-461f-8880-9005940a7f52/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-mwifiex-mwifiex.cil.i -s /tmp/vcloud-vcloud-master/worker/run_dir_10805b01-a824-461f-8880-9005940a7f52/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_10805b01-a824-461f-8880-9005940a7f52/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5dc900c2b78148999283a7cd7d2589af76afe08e .................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:04:46,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:04:46,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:04:47,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:04:47,080 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:04:47,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:04:47,088 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:04:47,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:04:47,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:04:47,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:04:47,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:04:47,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:04:47,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:04:47,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:04:47,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:04:47,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:04:47,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:04:47,116 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:04:47,121 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:04:47,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:04:47,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:04:47,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:04:47,135 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:04:47,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:04:47,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:04:47,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:04:47,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:04:47,148 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:04:47,149 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:04:47,150 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:04:47,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:04:47,152 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:04:47,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:04:47,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:04:47,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:04:47,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:04:47,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:04:47,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:04:47,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:04:47,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:04:47,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:04:47,163 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_10805b01-a824-461f-8880-9005940a7f52/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2020-11-22 13:04:47,201 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:04:47,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:04:47,203 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:04:47,203 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:04:47,203 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:04:47,203 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:04:47,204 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:04:47,204 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:04:47,204 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:04:47,204 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:04:47,205 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:04:47,205 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:04:47,206 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:04:47,206 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:04:47,206 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:04:47,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:04:47,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:04:47,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:04:47,208 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:04:47,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:04:47,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:04:47,208 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:04:47,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:04:47,209 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:04:47,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:04:47,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:04:47,209 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:04:47,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:04:47,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:04:47,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:04:47,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:04:47,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:04:47,211 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:04:47,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:04:47,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:04:47,211 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:04:47,212 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:04:47,212 INFO L138 SettingsManager]: * To the following directory=dump/ [2020-11-22 13:04:47,212 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_10805b01-a824-461f-8880-9005940a7f52/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_10805b01-a824-461f-8880-9005940a7f52/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5dc900c2b78148999283a7cd7d2589af76afe08e [2020-11-22 13:04:47,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:04:47,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:04:47,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:04:47,511 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:04:47,512 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:04:47,513 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_10805b01-a824-461f-8880-9005940a7f52/bin/utaipan/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-mwifiex-mwifiex.cil.i [2020-11-22 13:04:47,614 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_10805b01-a824-461f-8880-9005940a7f52/bin/utaipan/data/88c740676/7565350aaef74ceb87f0c7b01582f01e/FLAG563fc6029 [2020-11-22 13:04:49,207 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:04:49,208 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_10805b01-a824-461f-8880-9005940a7f52/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-mwifiex-mwifiex.cil.i [2020-11-22 13:04:49,393 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_10805b01-a824-461f-8880-9005940a7f52/bin/utaipan/data/88c740676/7565350aaef74ceb87f0c7b01582f01e/FLAG563fc6029 [2020-11-22 13:04:49,445 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_10805b01-a824-461f-8880-9005940a7f52/bin/utaipan/data/88c740676/7565350aaef74ceb87f0c7b01582f01e [2020-11-22 13:04:49,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:04:49,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:04:49,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:04:49,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:04:49,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:04:49,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:04:49" (1/1) ... [2020-11-22 13:04:49,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ef72129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:49, skipping insertion in model container [2020-11-22 13:04:49,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:04:49" (1/1) ... [2020-11-22 13:04:49,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:04:49,834 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:04:52,770 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:04:53,008 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:04:53,014 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:04:53,110 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:04:53,229 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:04:55,045 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:04:55,088 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:04:56,288 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:04:56,313 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:04:56,317 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:04:56,345 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:04:56,352 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:04:56,354 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:04:56,356 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-22 13:04:56,362 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-22 13:04:56,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5d7cb562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:56, skipping insertion in model container [2020-11-22 13:04:56,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:04:56,366 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:04:56,369 INFO L168 Benchmark]: Toolchain (without parser) took 6918.02 ms. Allocated memory was 117.4 MB in the beginning and 178.3 MB in the end (delta: 60.8 MB). Free memory was 72.2 MB in the beginning and 85.3 MB in the end (delta: -13.0 MB). Peak memory consumption was 83.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:56,371 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 88.1 MB. Free memory is still 45.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:04:56,373 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6913.48 ms. Allocated memory was 117.4 MB in the beginning and 178.3 MB in the end (delta: 60.8 MB). Free memory was 71.7 MB in the beginning and 85.3 MB in the end (delta: -13.5 MB). Peak memory consumption was 81.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:56,375 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 88.1 MB. Free memory is still 45.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 6913.48 ms. Allocated memory was 117.4 MB in the beginning and 178.3 MB in the end (delta: 60.8 MB). Free memory was 71.7 MB in the beginning and 85.3 MB in the end (delta: -13.5 MB). Peak memory consumption was 81.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 15821]: 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... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:04:58,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:04:58,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:04:58,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:04:58,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:04:58,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:04:58,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:04:58,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:04:58,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:04:58,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:04:58,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:04:58,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:04:58,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:04:58,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:04:58,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:04:58,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:04:58,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:04:58,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:04:58,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:04:58,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:04:58,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:04:58,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:04:58,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:04:58,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:04:58,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:04:58,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:04:58,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:04:58,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:04:58,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:04:58,759 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:04:58,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:04:58,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:04:58,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:04:58,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:04:58,768 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:04:58,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:04:58,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:04:58,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:04:58,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:04:58,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:04:58,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:04:58,772 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_10805b01-a824-461f-8880-9005940a7f52/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2020-11-22 13:04:58,813 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:04:58,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:04:58,816 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:04:58,816 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:04:58,816 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:04:58,816 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:04:58,816 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:04:58,817 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:04:58,817 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:04:58,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:04:58,819 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:04:58,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:04:58,820 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:04:58,820 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:04:58,820 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:04:58,820 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:04:58,820 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:04:58,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:04:58,821 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:04:58,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:04:58,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:04:58,821 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:04:58,822 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:04:58,822 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:04:58,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:04:58,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:04:58,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:04:58,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:04:58,831 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:04:58,832 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:04:58,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:04:58,832 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:04:58,832 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:04:58,832 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_10805b01-a824-461f-8880-9005940a7f52/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_10805b01-a824-461f-8880-9005940a7f52/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5dc900c2b78148999283a7cd7d2589af76afe08e [2020-11-22 13:04:59,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:04:59,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:04:59,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:04:59,251 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:04:59,251 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:04:59,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_10805b01-a824-461f-8880-9005940a7f52/bin/utaipan/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-mwifiex-mwifiex.cil.i [2020-11-22 13:04:59,315 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_10805b01-a824-461f-8880-9005940a7f52/bin/utaipan/data/d87644a00/07010bca24874a47895f079c4297b91c/FLAG1b9b72bd1 [2020-11-22 13:05:00,951 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:05:00,952 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_10805b01-a824-461f-8880-9005940a7f52/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-mwifiex-mwifiex.cil.i [2020-11-22 13:05:01,080 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_10805b01-a824-461f-8880-9005940a7f52/bin/utaipan/data/d87644a00/07010bca24874a47895f079c4297b91c/FLAG1b9b72bd1 [2020-11-22 13:05:01,148 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_10805b01-a824-461f-8880-9005940a7f52/bin/utaipan/data/d87644a00/07010bca24874a47895f079c4297b91c [2020-11-22 13:05:01,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:05:01,154 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:05:01,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:01,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:05:01,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:05:01,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:01" (1/1) ... [2020-11-22 13:05:01,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e01fb8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:01, skipping insertion in model container [2020-11-22 13:05:01,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:01" (1/1) ... [2020-11-22 13:05:01,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:05:01,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:05:08,792 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-22 13:05:08,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2a163822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:08, skipping insertion in model container [2020-11-22 13:05:08,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:08,793 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:05:08,796 INFO L168 Benchmark]: Toolchain (without parser) took 7639.95 ms. Allocated memory was 119.5 MB in the beginning and 172.0 MB in the end (delta: 52.4 MB). Free memory was 67.8 MB in the beginning and 87.7 MB in the end (delta: -19.8 MB). Peak memory consumption was 91.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:08,797 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 69.2 MB. Free memory is still 52.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:05:08,800 INFO L168 Benchmark]: CACSL2BoogieTranslator took 7635.65 ms. Allocated memory was 119.5 MB in the beginning and 172.0 MB in the end (delta: 52.4 MB). Free memory was 67.5 MB in the beginning and 87.7 MB in the end (delta: -20.2 MB). Peak memory consumption was 91.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:08,802 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 69.2 MB. Free memory is still 52.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 7635.65 ms. Allocated memory was 119.5 MB in the beginning and 172.0 MB in the end (delta: 52.4 MB). Free memory was 67.5 MB in the beginning and 87.7 MB in the end (delta: -20.2 MB). Peak memory consumption was 91.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 15821]: 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...