./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--cpia2--cpia2.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_e40df360-0606-4da2-a0c1-f3e579bb1f0f/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e40df360-0606-4da2-a0c1-f3e579bb1f0f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e40df360-0606-4da2-a0c1-f3e579bb1f0f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e40df360-0606-4da2-a0c1-f3e579bb1f0f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--cpia2--cpia2.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e40df360-0606-4da2-a0c1-f3e579bb1f0f/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e40df360-0606-4da2-a0c1-f3e579bb1f0f/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 206c4122641aa4d57a4214e86f93632015605806 .................................................................................................................................................. 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_e40df360-0606-4da2-a0c1-f3e579bb1f0f/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e40df360-0606-4da2-a0c1-f3e579bb1f0f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e40df360-0606-4da2-a0c1-f3e579bb1f0f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e40df360-0606-4da2-a0c1-f3e579bb1f0f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--cpia2--cpia2.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e40df360-0606-4da2-a0c1-f3e579bb1f0f/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e40df360-0606-4da2-a0c1-f3e579bb1f0f/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 206c4122641aa4d57a4214e86f93632015605806 ..................................................................................................................................... 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 13:06:46,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:06:46,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:06:46,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:06:46,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:06:46,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:06:46,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:06:46,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:06:46,839 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:06:46,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:06:46,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:06:46,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:06:46,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:06:46,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:06:46,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:06:46,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:06:46,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:06:46,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:06:46,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:06:46,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:06:46,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:06:46,856 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:06:46,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:06:46,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:06:46,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:06:46,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:06:46,862 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:06:46,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:06:46,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:06:46,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:06:46,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:06:46,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:06:46,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:06:46,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:06:46,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:06:46,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:06:46,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:06:46,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:06:46,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:06:46,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:06:46,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:06:46,873 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e40df360-0606-4da2-a0c1-f3e579bb1f0f/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2020-11-22 13:06:46,896 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:06:46,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:06:46,897 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:06:46,897 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:06:46,898 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:06:46,898 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:06:46,898 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:06:46,898 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:06:46,899 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:06:46,899 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:06:46,899 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:06:46,899 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:06:46,899 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:06:46,900 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:06:46,900 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:06:46,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:06:46,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:06:46,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:06:46,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:06:46,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:06:46,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:06:46,902 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:06:46,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:06:46,902 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:06:46,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:06:46,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:06:46,903 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:06:46,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:06:46,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:06:46,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:06:46,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:06:46,904 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:06:46,904 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:06:46,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:06:46,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:06:46,905 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:06:46,905 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:06:46,905 INFO L138 SettingsManager]: * To the following directory=dump/ [2020-11-22 13:06:46,906 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_e40df360-0606-4da2-a0c1-f3e579bb1f0f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e40df360-0606-4da2-a0c1-f3e579bb1f0f/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 206c4122641aa4d57a4214e86f93632015605806 [2020-11-22 13:06:47,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:06:47,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:06:47,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:06:47,157 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:06:47,158 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:06:47,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e40df360-0606-4da2-a0c1-f3e579bb1f0f/bin/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--cpia2--cpia2.ko-entry_point.cil.out.i [2020-11-22 13:06:47,230 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e40df360-0606-4da2-a0c1-f3e579bb1f0f/bin/utaipan/data/7d3945636/20351f4c49354d4f83a74c811604996e/FLAG02994c84a [2020-11-22 13:06:48,151 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:06:48,153 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e40df360-0606-4da2-a0c1-f3e579bb1f0f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--cpia2--cpia2.ko-entry_point.cil.out.i [2020-11-22 13:06:48,215 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e40df360-0606-4da2-a0c1-f3e579bb1f0f/bin/utaipan/data/7d3945636/20351f4c49354d4f83a74c811604996e/FLAG02994c84a [2020-11-22 13:06:48,570 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e40df360-0606-4da2-a0c1-f3e579bb1f0f/bin/utaipan/data/7d3945636/20351f4c49354d4f83a74c811604996e [2020-11-22 13:06:48,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:06:48,573 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:06:48,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:06:48,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:06:48,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:06:48,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:06:48" (1/1) ... [2020-11-22 13:06:48,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b50db11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:48, skipping insertion in model container [2020-11-22 13:06:48,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:06:48" (1/1) ... [2020-11-22 13:06:48,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:06:48,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:06:49,262 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4417] [2020-11-22 13:06:49,852 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 13:06:50,016 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 13:06:50,220 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 13:06:50,233 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 13:06:50,243 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 13:06:50,257 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 13:06:50,280 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 13:06:50,323 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 13:06:50,333 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-22 13:06:50,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@37b1b92b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:50, skipping insertion in model container [2020-11-22 13:06:50,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:06:50,334 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:06:50,336 INFO L168 Benchmark]: Toolchain (without parser) took 1761.37 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 62.9 MB in the beginning and 87.0 MB in the end (delta: -24.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:50,337 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 79.7 MB. Free memory was 37.6 MB in the beginning and 37.5 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:06:50,338 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1759.10 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 62.6 MB in the beginning and 87.0 MB in the end (delta: -24.4 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:50,340 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 79.7 MB. Free memory was 37.6 MB in the beginning and 37.5 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1759.10 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 62.6 MB in the beginning and 87.0 MB in the end (delta: -24.4 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5708]: 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 13:06:52,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:06:52,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:06:52,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:06:52,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:06:52,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:06:52,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:06:52,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:06:52,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:06:52,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:06:52,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:06:52,568 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:06:52,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:06:52,573 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:06:52,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:06:52,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:06:52,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:06:52,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:06:52,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:06:52,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:06:52,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:06:52,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:06:52,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:06:52,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:06:52,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:06:52,606 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:06:52,606 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:06:52,607 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:06:52,607 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:06:52,609 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:06:52,609 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:06:52,610 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:06:52,611 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:06:52,612 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:06:52,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:06:52,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:06:52,619 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:06:52,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:06:52,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:06:52,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:06:52,622 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:06:52,623 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e40df360-0606-4da2-a0c1-f3e579bb1f0f/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2020-11-22 13:06:52,665 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:06:52,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:06:52,667 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:06:52,667 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:06:52,668 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:06:52,668 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:06:52,668 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:06:52,668 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:06:52,669 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:06:52,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:06:52,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:06:52,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:06:52,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:06:52,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:06:52,672 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:06:52,672 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:06:52,672 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:06:52,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:06:52,673 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:06:52,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:06:52,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:06:52,674 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:06:52,674 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:06:52,674 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:06:52,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:06:52,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:06:52,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:06:52,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:06:52,675 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:06:52,676 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:06:52,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:06:52,676 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:06:52,676 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:06:52,677 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_e40df360-0606-4da2-a0c1-f3e579bb1f0f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e40df360-0606-4da2-a0c1-f3e579bb1f0f/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 206c4122641aa4d57a4214e86f93632015605806 [2020-11-22 13:06:53,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:06:53,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:06:53,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:06:53,115 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:06:53,116 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:06:53,117 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e40df360-0606-4da2-a0c1-f3e579bb1f0f/bin/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--cpia2--cpia2.ko-entry_point.cil.out.i [2020-11-22 13:06:53,194 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e40df360-0606-4da2-a0c1-f3e579bb1f0f/bin/utaipan/data/31e328150/5551d9f4d55b43c7a0dfdbfd660f05ae/FLAG94fd6fd08 [2020-11-22 13:06:54,230 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:06:54,232 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e40df360-0606-4da2-a0c1-f3e579bb1f0f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--cpia2--cpia2.ko-entry_point.cil.out.i [2020-11-22 13:06:54,284 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e40df360-0606-4da2-a0c1-f3e579bb1f0f/bin/utaipan/data/31e328150/5551d9f4d55b43c7a0dfdbfd660f05ae/FLAG94fd6fd08 [2020-11-22 13:06:54,585 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e40df360-0606-4da2-a0c1-f3e579bb1f0f/bin/utaipan/data/31e328150/5551d9f4d55b43c7a0dfdbfd660f05ae [2020-11-22 13:06:54,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:06:54,588 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:06:54,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:06:54,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:06:54,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:06:54,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:06:54" (1/1) ... [2020-11-22 13:06:54,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3264bdf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:54, skipping insertion in model container [2020-11-22 13:06:54,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:06:54" (1/1) ... [2020-11-22 13:06:54,603 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:06:54,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:06:55,339 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4417] [2020-11-22 13:06:56,223 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-22 13:06:56,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5c3fa860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:56, skipping insertion in model container [2020-11-22 13:06:56,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:06:56,224 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:06:56,226 INFO L168 Benchmark]: Toolchain (without parser) took 1636.61 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 33.3 MB in the beginning and 31.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:56,227 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 48.2 MB. Free memory was 30.3 MB in the beginning and 30.2 MB in the end (delta: 37.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:06:56,228 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1634.11 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 33.0 MB in the beginning and 31.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:56,230 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 48.2 MB. Free memory was 30.3 MB in the beginning and 30.2 MB in the end (delta: 37.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1634.11 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 33.0 MB in the beginning and 31.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5708]: 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...