./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b158ba8f-a3f3-4b85-ba23-a1e4c46c30a1/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b158ba8f-a3f3-4b85-ba23-a1e4c46c30a1/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b158ba8f-a3f3-4b85-ba23-a1e4c46c30a1/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b158ba8f-a3f3-4b85-ba23-a1e4c46c30a1/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b158ba8f-a3f3-4b85-ba23-a1e4c46c30a1/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b158ba8f-a3f3-4b85-ba23-a1e4c46c30a1/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3a94f825889fbb17d53a08616bdce0ffbb77b029 .................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b158ba8f-a3f3-4b85-ba23-a1e4c46c30a1/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b158ba8f-a3f3-4b85-ba23-a1e4c46c30a1/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b158ba8f-a3f3-4b85-ba23-a1e4c46c30a1/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b158ba8f-a3f3-4b85-ba23-a1e4c46c30a1/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b158ba8f-a3f3-4b85-ba23-a1e4c46c30a1/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b158ba8f-a3f3-4b85-ba23-a1e4c46c30a1/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3a94f825889fbb17d53a08616bdce0ffbb77b029 .............................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 12:34:04,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:34:04,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:34:04,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:34:04,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:34:04,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:34:04,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:34:04,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:34:04,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:34:04,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:34:04,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:34:04,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:34:04,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:34:04,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:34:04,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:34:04,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:34:04,973 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:34:04,973 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:34:04,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:34:04,977 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:34:04,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:34:04,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:34:04,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:34:04,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:34:04,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:34:04,981 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:34:04,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:34:04,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:34:04,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:34:04,983 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:34:04,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:34:04,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:34:04,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:34:04,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:34:04,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:34:04,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:34:04,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:34:04,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:34:04,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:34:04,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:34:04,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:34:04,987 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b158ba8f-a3f3-4b85-ba23-a1e4c46c30a1/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2019-12-07 12:34:04,997 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:34:04,997 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:34:04,997 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:34:04,998 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:34:04,998 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:34:04,998 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:34:04,998 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 12:34:04,998 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:34:04,998 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:34:04,998 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 12:34:04,998 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 12:34:04,998 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:34:04,999 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 12:34:04,999 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 12:34:04,999 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 12:34:04,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:34:04,999 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:34:04,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:34:05,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:34:05,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:34:05,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:34:05,000 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 12:34:05,000 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:34:05,000 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:34:05,000 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:34:05,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:34:05,001 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:34:05,001 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:34:05,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:34:05,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:34:05,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:34:05,001 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:34:05,001 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 12:34:05,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:34:05,002 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:34:05,002 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:34:05,002 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:34:05,002 INFO L138 SettingsManager]: * To the following directory=dump/ [2019-12-07 12:34:05,002 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_b158ba8f-a3f3-4b85-ba23-a1e4c46c30a1/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(__VERIFIER_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 -> 3a94f825889fbb17d53a08616bdce0ffbb77b029 [2019-12-07 12:34:05,107 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:34:05,117 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:34:05,120 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:34:05,121 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:34:05,121 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:34:05,122 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b158ba8f-a3f3-4b85-ba23-a1e4c46c30a1/bin/utaipan/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i [2019-12-07 12:34:05,163 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b158ba8f-a3f3-4b85-ba23-a1e4c46c30a1/bin/utaipan/data/1c8afc8f4/30ed7343aeda4dc7a7678a60b9547ae2/FLAG31beec9b4 [2019-12-07 12:34:05,794 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:34:05,795 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b158ba8f-a3f3-4b85-ba23-a1e4c46c30a1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i [2019-12-07 12:34:05,824 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b158ba8f-a3f3-4b85-ba23-a1e4c46c30a1/bin/utaipan/data/1c8afc8f4/30ed7343aeda4dc7a7678a60b9547ae2/FLAG31beec9b4 [2019-12-07 12:34:06,204 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b158ba8f-a3f3-4b85-ba23-a1e4c46c30a1/bin/utaipan/data/1c8afc8f4/30ed7343aeda4dc7a7678a60b9547ae2 [2019-12-07 12:34:06,209 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:34:06,212 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:34:06,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:34:06,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:34:06,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:34:06,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:34:06" (1/1) ... [2019-12-07 12:34:06,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a368b05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:34:06, skipping insertion in model container [2019-12-07 12:34:06,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:34:06" (1/1) ... [2019-12-07 12:34:06,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:34:06,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:34:07,336 WARN L540 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2019-12-07 12:34:07,340 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2019-12-07 12:34:07,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@16a98f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:34:07, skipping insertion in model container [2019-12-07 12:34:07,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:34:07,341 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 12:34:07,343 INFO L168 Benchmark]: Toolchain (without parser) took 1132.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 928.5 MB in the beginning and 1.0 GB in the end (delta: -103.6 MB). Peak memory consumption was 79.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:34:07,344 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:34:07,344 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1128.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 928.5 MB in the beginning and 1.0 GB in the end (delta: -103.6 MB). Peak memory consumption was 79.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:34:07,345 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 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1128.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 928.5 MB in the beginning and 1.0 GB in the end (delta: -103.6 MB). Peak memory consumption was 79.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6826]: 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 0.1.25-f470102 [2019-12-07 12:34:08,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:34:08,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:34:08,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:34:08,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:34:08,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:34:08,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:34:08,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:34:08,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:34:08,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:34:08,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:34:08,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:34:08,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:34:08,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:34:08,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:34:08,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:34:08,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:34:08,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:34:08,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:34:08,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:34:08,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:34:08,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:34:08,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:34:08,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:34:08,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:34:08,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:34:08,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:34:08,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:34:08,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:34:08,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:34:08,572 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:34:08,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:34:08,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:34:08,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:34:08,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:34:08,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:34:08,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:34:08,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:34:08,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:34:08,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:34:08,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:34:08,577 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b158ba8f-a3f3-4b85-ba23-a1e4c46c30a1/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2019-12-07 12:34:08,587 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:34:08,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:34:08,588 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:34:08,588 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:34:08,588 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:34:08,588 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:34:08,588 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:34:08,589 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:34:08,589 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:34:08,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:34:08,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:34:08,589 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:34:08,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:34:08,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:34:08,590 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 12:34:08,590 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 12:34:08,590 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 12:34:08,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:34:08,590 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:34:08,591 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:34:08,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:34:08,591 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:34:08,591 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:34:08,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:34:08,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:34:08,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:34:08,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:34:08,592 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:34:08,592 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 12:34:08,592 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 12:34:08,592 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:34:08,592 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:34:08,592 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:34:08,593 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_b158ba8f-a3f3-4b85-ba23-a1e4c46c30a1/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(__VERIFIER_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 -> 3a94f825889fbb17d53a08616bdce0ffbb77b029 [2019-12-07 12:34:08,758 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:34:08,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:34:08,767 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:34:08,768 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:34:08,769 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:34:08,769 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b158ba8f-a3f3-4b85-ba23-a1e4c46c30a1/bin/utaipan/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i [2019-12-07 12:34:08,807 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b158ba8f-a3f3-4b85-ba23-a1e4c46c30a1/bin/utaipan/data/98bf46a40/df70a3876fd944c5bcdfba45d1308a4f/FLAG9cfd56816 [2019-12-07 12:34:09,402 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:34:09,402 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b158ba8f-a3f3-4b85-ba23-a1e4c46c30a1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i [2019-12-07 12:34:09,432 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b158ba8f-a3f3-4b85-ba23-a1e4c46c30a1/bin/utaipan/data/98bf46a40/df70a3876fd944c5bcdfba45d1308a4f/FLAG9cfd56816 [2019-12-07 12:34:09,839 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b158ba8f-a3f3-4b85-ba23-a1e4c46c30a1/bin/utaipan/data/98bf46a40/df70a3876fd944c5bcdfba45d1308a4f [2019-12-07 12:34:09,841 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:34:09,841 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:34:09,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:34:09,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:34:09,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:34:09,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:34:09" (1/1) ... [2019-12-07 12:34:09,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f7a007c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:34:09, skipping insertion in model container [2019-12-07 12:34:09,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:34:09" (1/1) ... [2019-12-07 12:34:09,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:34:09,990 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:34:11,040 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2019-12-07 12:34:11,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@54d9478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:34:11, skipping insertion in model container [2019-12-07 12:34:11,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:34:11,041 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 12:34:11,043 INFO L168 Benchmark]: Toolchain (without parser) took 1200.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 936.1 MB in the beginning and 1.1 GB in the end (delta: -147.5 MB). Peak memory consumption was 98.3 MB. Max. memory is 11.5 GB. [2019-12-07 12:34:11,043 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:34:11,044 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1198.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 936.1 MB in the beginning and 1.1 GB in the end (delta: -147.5 MB). Peak memory consumption was 98.3 MB. Max. memory is 11.5 GB. [2019-12-07 12:34:11,045 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1198.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 936.1 MB in the beginning and 1.1 GB in the end (delta: -147.5 MB). Peak memory consumption was 98.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6826]: 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...