./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.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_b964a977-9eae-4460-802b-e10c4960458f/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b964a977-9eae-4460-802b-e10c4960458f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b964a977-9eae-4460-802b-e10c4960458f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b964a977-9eae-4460-802b-e10c4960458f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b964a977-9eae-4460-802b-e10c4960458f/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b964a977-9eae-4460-802b-e10c4960458f/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 f6d30df66b2fe2218df31f96349e1c7548e8362b ........................................................................................................................................................... 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_b964a977-9eae-4460-802b-e10c4960458f/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b964a977-9eae-4460-802b-e10c4960458f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b964a977-9eae-4460-802b-e10c4960458f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b964a977-9eae-4460-802b-e10c4960458f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b964a977-9eae-4460-802b-e10c4960458f/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b964a977-9eae-4460-802b-e10c4960458f/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 f6d30df66b2fe2218df31f96349e1c7548e8362b ..................................................................................................................................... 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 12:58:03,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:58:03,036 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:58:03,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:58:03,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:58:03,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:58:03,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:58:03,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:58:03,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:58:03,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:58:03,127 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:58:03,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:58:03,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:58:03,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:58:03,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:58:03,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:58:03,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:58:03,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:58:03,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:58:03,156 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:58:03,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:58:03,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:58:03,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:58:03,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:58:03,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:58:03,170 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:58:03,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:58:03,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:58:03,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:58:03,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:58:03,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:58:03,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:58:03,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:58:03,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:58:03,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:58:03,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:58:03,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:58:03,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:58:03,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:58:03,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:58:03,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:58:03,189 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b964a977-9eae-4460-802b-e10c4960458f/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2020-11-22 12:58:03,228 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:58:03,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:58:03,229 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:58:03,230 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:58:03,230 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:58:03,230 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:58:03,230 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:58:03,231 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:58:03,231 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:58:03,231 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:58:03,231 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:58:03,232 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:58:03,232 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:58:03,232 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:58:03,232 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:58:03,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:58:03,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:58:03,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:58:03,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:58:03,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:58:03,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:58:03,235 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:58:03,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:58:03,235 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:58:03,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:58:03,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:58:03,236 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:58:03,236 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:58:03,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:58:03,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:58:03,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:58:03,237 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:58:03,237 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:58:03,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:58:03,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:58:03,238 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:58:03,238 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:58:03,238 INFO L138 SettingsManager]: * To the following directory=dump/ [2020-11-22 12:58:03,239 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_b964a977-9eae-4460-802b-e10c4960458f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b964a977-9eae-4460-802b-e10c4960458f/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6d30df66b2fe2218df31f96349e1c7548e8362b [2020-11-22 12:58:03,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:58:03,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:58:03,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:58:03,560 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:58:03,561 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:58:03,562 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b964a977-9eae-4460-802b-e10c4960458f/bin/utaipan/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2020-11-22 12:58:03,630 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b964a977-9eae-4460-802b-e10c4960458f/bin/utaipan/data/e18e7428c/b33624df2a234162b3dccb26dc9f2d5d/FLAGb01d37a16 [2020-11-22 12:58:04,657 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:58:04,657 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b964a977-9eae-4460-802b-e10c4960458f/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2020-11-22 12:58:04,707 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b964a977-9eae-4460-802b-e10c4960458f/bin/utaipan/data/e18e7428c/b33624df2a234162b3dccb26dc9f2d5d/FLAGb01d37a16 [2020-11-22 12:58:05,043 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b964a977-9eae-4460-802b-e10c4960458f/bin/utaipan/data/e18e7428c/b33624df2a234162b3dccb26dc9f2d5d [2020-11-22 12:58:05,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:58:05,047 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:58:05,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:58:05,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:58:05,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:58:05,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:58:05" (1/1) ... [2020-11-22 12:58:05,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672105d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:05, skipping insertion in model container [2020-11-22 12:58:05,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:58:05" (1/1) ... [2020-11-22 12:58:05,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:58:05,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:58:05,738 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4416] [2020-11-22 12:58:06,112 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 12:58:06,708 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 12:58:06,720 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 12:58:06,732 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 12:58:06,750 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 12:58:06,807 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 12:58:06,821 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 12:58:06,828 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 12:58:06,834 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 12:58:06,844 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 12:58:06,855 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 12:58:06,864 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 12:58:06,869 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 12:58:06,874 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 12:58:06,880 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 12:58:06,889 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 12:58:06,908 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 12:58:06,928 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-22 12:58:06,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4a518201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:06, skipping insertion in model container [2020-11-22 12:58:06,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:58:06,929 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:58:06,932 INFO L168 Benchmark]: Toolchain (without parser) took 1882.95 ms. Allocated memory was 113.2 MB in the beginning and 138.4 MB in the end (delta: 25.2 MB). Free memory was 73.8 MB in the beginning and 91.4 MB in the end (delta: -17.6 MB). Peak memory consumption was 28.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:06,932 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 79.7 MB. Free memory was 37.0 MB in the beginning and 37.0 MB in the end (delta: 42.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:58:06,933 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1880.76 ms. Allocated memory was 113.2 MB in the beginning and 138.4 MB in the end (delta: 25.2 MB). Free memory was 73.5 MB in the beginning and 91.4 MB in the end (delta: -17.9 MB). Peak memory consumption was 28.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:06,935 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 79.7 MB. Free memory was 37.0 MB in the beginning and 37.0 MB in the end (delta: 42.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1880.76 ms. Allocated memory was 113.2 MB in the beginning and 138.4 MB in the end (delta: 25.2 MB). Free memory was 73.5 MB in the beginning and 91.4 MB in the end (delta: -17.9 MB). Peak memory consumption was 28.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6450]: 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 12:58:09,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:58:09,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:58:09,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:58:09,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:58:09,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:58:09,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:58:09,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:58:09,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:58:09,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:58:09,217 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:58:09,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:58:09,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:58:09,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:58:09,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:58:09,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:58:09,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:58:09,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:58:09,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:58:09,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:58:09,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:58:09,251 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:58:09,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:58:09,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:58:09,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:58:09,270 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:58:09,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:58:09,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:58:09,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:58:09,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:58:09,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:58:09,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:58:09,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:58:09,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:58:09,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:58:09,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:58:09,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:58:09,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:58:09,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:58:09,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:58:09,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:58:09,280 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b964a977-9eae-4460-802b-e10c4960458f/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2020-11-22 12:58:09,306 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:58:09,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:58:09,310 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:58:09,310 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:58:09,310 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:58:09,310 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:58:09,311 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:58:09,311 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:58:09,311 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:58:09,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:58:09,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:58:09,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:58:09,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:58:09,315 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:58:09,315 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:58:09,315 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:58:09,315 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:58:09,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:58:09,316 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:58:09,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:58:09,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:58:09,316 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:58:09,317 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:58:09,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:58:09,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:58:09,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:58:09,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:58:09,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:58:09,318 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:58:09,318 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:58:09,318 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:58:09,319 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:58:09,319 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:58:09,319 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_b964a977-9eae-4460-802b-e10c4960458f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b964a977-9eae-4460-802b-e10c4960458f/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6d30df66b2fe2218df31f96349e1c7548e8362b [2020-11-22 12:58:09,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:58:09,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:58:09,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:58:09,767 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:58:09,767 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:58:09,768 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b964a977-9eae-4460-802b-e10c4960458f/bin/utaipan/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2020-11-22 12:58:09,841 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b964a977-9eae-4460-802b-e10c4960458f/bin/utaipan/data/040d3999a/c98d75945e2347018aa7128b7004c594/FLAG863d354b5 [2020-11-22 12:58:10,805 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:58:10,807 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b964a977-9eae-4460-802b-e10c4960458f/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2020-11-22 12:58:10,851 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b964a977-9eae-4460-802b-e10c4960458f/bin/utaipan/data/040d3999a/c98d75945e2347018aa7128b7004c594/FLAG863d354b5 [2020-11-22 12:58:11,218 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b964a977-9eae-4460-802b-e10c4960458f/bin/utaipan/data/040d3999a/c98d75945e2347018aa7128b7004c594 [2020-11-22 12:58:11,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:58:11,221 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:58:11,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:58:11,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:58:11,227 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:58:11,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:58:11" (1/1) ... [2020-11-22 12:58:11,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21b943fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:11, skipping insertion in model container [2020-11-22 12:58:11,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:58:11" (1/1) ... [2020-11-22 12:58:11,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:58:11,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:58:11,960 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4416] [2020-11-22 12:58:12,953 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-22 12:58:12,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3232321c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:12, skipping insertion in model container [2020-11-22 12:58:12,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:58:12,955 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:58:12,957 INFO L168 Benchmark]: Toolchain (without parser) took 1734.30 ms. Allocated memory was 54.5 MB in the beginning and 83.9 MB in the end (delta: 29.4 MB). Free memory was 32.1 MB in the beginning and 41.4 MB in the end (delta: -9.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:12,958 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 54.5 MB. Free memory was 37.4 MB in the beginning and 37.4 MB in the end (delta: 37.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:58:12,959 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1730.89 ms. Allocated memory was 54.5 MB in the beginning and 83.9 MB in the end (delta: 29.4 MB). Free memory was 31.8 MB in the beginning and 41.4 MB in the end (delta: -9.6 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:12,961 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 54.5 MB. Free memory was 37.4 MB in the beginning and 37.4 MB in the end (delta: 37.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1730.89 ms. Allocated memory was 54.5 MB in the beginning and 83.9 MB in the end (delta: 29.4 MB). Free memory was 31.8 MB in the beginning and 41.4 MB in the end (delta: -9.6 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6450]: 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...