./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.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_77d3fbdb-d112-4a5d-8c7b-833b0c13d695/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_77d3fbdb-d112-4a5d-8c7b-833b0c13d695/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_77d3fbdb-d112-4a5d-8c7b-833b0c13d695/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_77d3fbdb-d112-4a5d-8c7b-833b0c13d695/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_77d3fbdb-d112-4a5d-8c7b-833b0c13d695/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_77d3fbdb-d112-4a5d-8c7b-833b0c13d695/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 434f02b4db38add7869fca858f59b2486fa0dd27 .......................................................................................................................................... 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_77d3fbdb-d112-4a5d-8c7b-833b0c13d695/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_77d3fbdb-d112-4a5d-8c7b-833b0c13d695/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_77d3fbdb-d112-4a5d-8c7b-833b0c13d695/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_77d3fbdb-d112-4a5d-8c7b-833b0c13d695/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_77d3fbdb-d112-4a5d-8c7b-833b0c13d695/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_77d3fbdb-d112-4a5d-8c7b-833b0c13d695/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 434f02b4db38add7869fca858f59b2486fa0dd27 .................................................................................................................................... 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 13:01:57,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:01:57,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:01:57,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:01:57,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:01:57,348 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:01:57,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:01:57,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:01:57,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:01:57,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:01:57,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:01:57,371 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:01:57,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:01:57,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:01:57,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:01:57,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:01:57,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:01:57,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:01:57,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:01:57,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:01:57,401 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:01:57,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:01:57,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:01:57,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:01:57,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:01:57,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:01:57,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:01:57,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:01:57,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:01:57,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:01:57,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:01:57,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:01:57,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:01:57,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:01:57,422 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:01:57,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:01:57,423 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:01:57,424 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:01:57,424 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:01:57,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:01:57,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:01:57,429 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_77d3fbdb-d112-4a5d-8c7b-833b0c13d695/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2020-11-22 13:01:57,470 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:01:57,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:01:57,471 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:01:57,472 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:01:57,472 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:01:57,472 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:01:57,472 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:01:57,477 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:01:57,477 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:01:57,480 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:01:57,481 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:01:57,481 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:01:57,481 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:01:57,481 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:01:57,481 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:01:57,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:01:57,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:01:57,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:01:57,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:01:57,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:01:57,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:01:57,483 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:01:57,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:01:57,483 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:01:57,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:01:57,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:01:57,483 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:01:57,483 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:01:57,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:01:57,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:01:57,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:01:57,484 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:01:57,484 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:01:57,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:01:57,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:01:57,485 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:01:57,485 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:01:57,485 INFO L138 SettingsManager]: * To the following directory=dump/ [2020-11-22 13:01:57,485 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_77d3fbdb-d112-4a5d-8c7b-833b0c13d695/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_77d3fbdb-d112-4a5d-8c7b-833b0c13d695/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 434f02b4db38add7869fca858f59b2486fa0dd27 [2020-11-22 13:01:57,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:01:57,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:01:57,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:01:57,801 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:01:57,802 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:01:57,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_77d3fbdb-d112-4a5d-8c7b-833b0c13d695/bin/utaipan/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i [2020-11-22 13:01:57,868 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_77d3fbdb-d112-4a5d-8c7b-833b0c13d695/bin/utaipan/data/f06cbc6f1/e07d813270ab452f86af6bb432e6822e/FLAG411068af2 [2020-11-22 13:01:59,009 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:01:59,009 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_77d3fbdb-d112-4a5d-8c7b-833b0c13d695/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i [2020-11-22 13:01:59,081 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_77d3fbdb-d112-4a5d-8c7b-833b0c13d695/bin/utaipan/data/f06cbc6f1/e07d813270ab452f86af6bb432e6822e/FLAG411068af2 [2020-11-22 13:01:59,217 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_77d3fbdb-d112-4a5d-8c7b-833b0c13d695/bin/utaipan/data/f06cbc6f1/e07d813270ab452f86af6bb432e6822e [2020-11-22 13:01:59,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:01:59,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:01:59,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:01:59,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:01:59,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:01:59,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:01:59" (1/1) ... [2020-11-22 13:01:59,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bad946f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:59, skipping insertion in model container [2020-11-22 13:01:59,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:01:59" (1/1) ... [2020-11-22 13:01:59,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:01:59,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:02:01,337 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 13:02:01,348 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-22 13:02:01,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6c55401b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:01, skipping insertion in model container [2020-11-22 13:02:01,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:02:01,349 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:02:01,352 INFO L168 Benchmark]: Toolchain (without parser) took 2126.70 ms. Allocated memory was 121.6 MB in the beginning and 172.0 MB in the end (delta: 50.3 MB). Free memory was 73.2 MB in the beginning and 113.4 MB in the end (delta: -40.2 MB). Peak memory consumption was 38.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:01,354 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 77.6 MB. Free memory is still 41.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:02:01,356 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2121.43 ms. Allocated memory was 121.6 MB in the beginning and 172.0 MB in the end (delta: 50.3 MB). Free memory was 73.2 MB in the beginning and 113.4 MB in the end (delta: -40.2 MB). Peak memory consumption was 38.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:01,359 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 77.6 MB. Free memory is still 41.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2121.43 ms. Allocated memory was 121.6 MB in the beginning and 172.0 MB in the end (delta: 50.3 MB). Free memory was 73.2 MB in the beginning and 113.4 MB in the end (delta: -40.2 MB). Peak memory consumption was 38.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6751]: 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 13:02:03,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:02:03,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:02:03,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:02:03,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:02:03,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:02:03,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:02:03,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:02:03,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:02:03,782 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:02:03,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:02:03,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:02:03,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:02:03,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:02:03,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:02:03,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:02:03,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:02:03,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:02:03,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:02:03,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:02:03,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:02:03,819 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:02:03,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:02:03,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:02:03,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:02:03,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:02:03,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:02:03,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:02:03,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:02:03,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:02:03,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:02:03,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:02:03,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:02:03,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:02:03,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:02:03,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:02:03,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:02:03,860 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:02:03,860 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:02:03,862 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:02:03,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:02:03,864 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_77d3fbdb-d112-4a5d-8c7b-833b0c13d695/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2020-11-22 13:02:03,905 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:02:03,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:02:03,908 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:02:03,908 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:02:03,908 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:02:03,909 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:02:03,909 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:02:03,909 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:02:03,910 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:02:03,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:02:03,912 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:02:03,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:02:03,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:02:03,913 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:02:03,913 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:02:03,913 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:02:03,914 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:02:03,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:02:03,914 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:02:03,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:02:03,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:02:03,915 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:02:03,915 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:02:03,915 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:02:03,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:02:03,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:02:03,916 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:02:03,916 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:02:03,917 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:02:03,917 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:02:03,917 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:02:03,917 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:02:03,918 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:02:03,918 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_77d3fbdb-d112-4a5d-8c7b-833b0c13d695/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_77d3fbdb-d112-4a5d-8c7b-833b0c13d695/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 434f02b4db38add7869fca858f59b2486fa0dd27 [2020-11-22 13:02:04,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:02:04,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:02:04,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:02:04,351 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:02:04,352 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:02:04,353 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_77d3fbdb-d112-4a5d-8c7b-833b0c13d695/bin/utaipan/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i [2020-11-22 13:02:04,427 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_77d3fbdb-d112-4a5d-8c7b-833b0c13d695/bin/utaipan/data/dac89727d/9a33ab8914bf4ddf8f37115a91e07611/FLAG3006f881d [2020-11-22 13:02:05,651 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:02:05,652 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_77d3fbdb-d112-4a5d-8c7b-833b0c13d695/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i [2020-11-22 13:02:05,749 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_77d3fbdb-d112-4a5d-8c7b-833b0c13d695/bin/utaipan/data/dac89727d/9a33ab8914bf4ddf8f37115a91e07611/FLAG3006f881d [2020-11-22 13:02:05,831 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_77d3fbdb-d112-4a5d-8c7b-833b0c13d695/bin/utaipan/data/dac89727d/9a33ab8914bf4ddf8f37115a91e07611 [2020-11-22 13:02:05,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:02:05,836 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:02:05,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:02:05,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:02:05,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:02:05,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:02:05" (1/1) ... [2020-11-22 13:02:05,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55df557c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:05, skipping insertion in model container [2020-11-22 13:02:05,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:02:05" (1/1) ... [2020-11-22 13:02:05,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:02:06,143 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:02:07,962 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-22 13:02:07,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@22687c22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:07, skipping insertion in model container [2020-11-22 13:02:07,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:02:07,964 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:02:07,968 INFO L168 Benchmark]: Toolchain (without parser) took 2129.47 ms. Allocated memory was 58.7 MB in the beginning and 88.1 MB in the end (delta: 29.4 MB). Free memory was 30.2 MB in the beginning and 36.9 MB in the end (delta: -6.7 MB). Peak memory consumption was 36.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:07,969 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 58.7 MB. Free memory was 39.9 MB in the beginning and 39.9 MB in the end (delta: 28.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:02:07,973 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2124.13 ms. Allocated memory was 58.7 MB in the beginning and 88.1 MB in the end (delta: 29.4 MB). Free memory was 30.1 MB in the beginning and 36.9 MB in the end (delta: -6.9 MB). Peak memory consumption was 36.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:07,975 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 58.7 MB. Free memory was 39.9 MB in the beginning and 39.9 MB in the end (delta: 28.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2124.13 ms. Allocated memory was 58.7 MB in the beginning and 88.1 MB in the end (delta: 29.4 MB). Free memory was 30.1 MB in the beginning and 36.9 MB in the end (delta: -6.9 MB). Peak memory consumption was 36.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6751]: 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...