./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_202357f0-4050-4c14-bb00-fc65347945a6/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_202357f0-4050-4c14-bb00-fc65347945a6/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_202357f0-4050-4c14-bb00-fc65347945a6/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_202357f0-4050-4c14-bb00-fc65347945a6/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i -s /tmp/vcloud-vcloud-master/worker/run_dir_202357f0-4050-4c14-bb00-fc65347945a6/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_202357f0-4050-4c14-bb00-fc65347945a6/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 e671c4a4043213b2ced1869dfe3167fef57c51cb ............................................................................................................................................................................... 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_202357f0-4050-4c14-bb00-fc65347945a6/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_202357f0-4050-4c14-bb00-fc65347945a6/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_202357f0-4050-4c14-bb00-fc65347945a6/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_202357f0-4050-4c14-bb00-fc65347945a6/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i -s /tmp/vcloud-vcloud-master/worker/run_dir_202357f0-4050-4c14-bb00-fc65347945a6/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_202357f0-4050-4c14-bb00-fc65347945a6/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 e671c4a4043213b2ced1869dfe3167fef57c51cb .................................................................................................................................... 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 13:03:42,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:03:42,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:03:42,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:03:42,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:03:42,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:03:42,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:03:42,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:03:42,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:03:42,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:03:42,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:03:42,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:03:42,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:03:42,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:03:42,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:03:42,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:03:42,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:03:42,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:03:42,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:03:42,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:03:42,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:03:42,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:03:42,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:03:42,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:03:42,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:03:42,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:03:42,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:03:42,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:03:42,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:03:42,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:03:42,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:03:42,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:03:42,134 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:03:42,135 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:03:42,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:03:42,137 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:03:42,138 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:03:42,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:03:42,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:03:42,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:03:42,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:03:42,143 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_202357f0-4050-4c14-bb00-fc65347945a6/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2020-11-22 13:03:42,188 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:03:42,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:03:42,189 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:03:42,190 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:03:42,190 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:03:42,190 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:03:42,191 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:03:42,191 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:03:42,191 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:03:42,191 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:03:42,192 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:03:42,193 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:03:42,193 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:03:42,193 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:03:42,193 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:03:42,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:03:42,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:03:42,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:03:42,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:03:42,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:03:42,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:03:42,196 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:03:42,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:03:42,196 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:03:42,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:03:42,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:03:42,197 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:03:42,198 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:03:42,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:03:42,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:03:42,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:03:42,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:03:42,199 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:03:42,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:03:42,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:03:42,200 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:03:42,200 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:03:42,200 INFO L138 SettingsManager]: * To the following directory=dump/ [2020-11-22 13:03:42,201 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_202357f0-4050-4c14-bb00-fc65347945a6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_202357f0-4050-4c14-bb00-fc65347945a6/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e671c4a4043213b2ced1869dfe3167fef57c51cb [2020-11-22 13:03:42,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:03:42,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:03:42,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:03:42,488 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:03:42,489 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:03:42,490 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_202357f0-4050-4c14-bb00-fc65347945a6/bin/utaipan/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2020-11-22 13:03:42,562 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_202357f0-4050-4c14-bb00-fc65347945a6/bin/utaipan/data/f2f0d29f5/2a49bf3fd7c0449f9384fcce57eac54a/FLAG2404d77f9 [2020-11-22 13:03:43,662 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:03:43,662 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_202357f0-4050-4c14-bb00-fc65347945a6/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2020-11-22 13:03:43,731 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_202357f0-4050-4c14-bb00-fc65347945a6/bin/utaipan/data/f2f0d29f5/2a49bf3fd7c0449f9384fcce57eac54a/FLAG2404d77f9 [2020-11-22 13:03:43,917 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_202357f0-4050-4c14-bb00-fc65347945a6/bin/utaipan/data/f2f0d29f5/2a49bf3fd7c0449f9384fcce57eac54a [2020-11-22 13:03:43,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:03:43,921 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:03:43,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:03:43,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:03:43,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:03:43,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:03:43" (1/1) ... [2020-11-22 13:03:43,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af37667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:43, skipping insertion in model container [2020-11-22 13:03:43,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:03:43" (1/1) ... [2020-11-22 13:03:43,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:03:44,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:03:45,570 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 13:03:45,579 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 13:03:45,855 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 13:03:45,985 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 13:03:46,025 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 13:03:46,059 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 13:03:46,253 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 13:03:46,274 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 13:03:46,324 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 13:03:46,338 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 13:03:46,346 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 13:03:46,357 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 13:03:46,776 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 13:03:46,776 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 13:03:46,777 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 13:03:46,778 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 13:03:46,779 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 13:03:46,779 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 13:03:46,780 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 13:03:46,780 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 13:03:46,791 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 13:03:46,792 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 13:03:46,799 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 13:03:46,800 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 13:03:46,802 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 13:03:46,809 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 13:03:46,810 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 13:03:46,811 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 13:03:46,812 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 13:03:46,813 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 13:03:47,043 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 13:03:47,050 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 13:03:47,058 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 13:03:47,067 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 13:03:47,073 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 13:03:47,081 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 13:03:47,523 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 13:03:47,526 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 13:03:47,562 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-22 13:03:47,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4caad5ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:47, skipping insertion in model container [2020-11-22 13:03:47,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:03:47,563 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:03:47,566 INFO L168 Benchmark]: Toolchain (without parser) took 3643.20 ms. Allocated memory was 83.9 MB in the beginning and 159.4 MB in the end (delta: 75.5 MB). Free memory was 47.8 MB in the beginning and 69.4 MB in the end (delta: -21.6 MB). Peak memory consumption was 52.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:03:47,568 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 83.9 MB. Free memory was 42.9 MB in the beginning and 42.9 MB in the end (delta: 35.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:03:47,570 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3640.84 ms. Allocated memory was 83.9 MB in the beginning and 159.4 MB in the end (delta: 75.5 MB). Free memory was 47.8 MB in the beginning and 69.4 MB in the end (delta: -21.6 MB). Peak memory consumption was 52.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:03:47,572 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 83.9 MB. Free memory was 42.9 MB in the beginning and 42.9 MB in the end (delta: 35.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3640.84 ms. Allocated memory was 83.9 MB in the beginning and 159.4 MB in the end (delta: 75.5 MB). Free memory was 47.8 MB in the beginning and 69.4 MB in the end (delta: -21.6 MB). Peak memory consumption was 52.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 11212]: 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 13:03:49,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:03:49,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:03:49,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:03:49,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:03:49,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:03:49,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:03:49,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:03:49,912 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:03:49,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:03:49,921 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:03:49,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:03:49,936 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:03:49,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:03:49,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:03:49,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:03:49,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:03:49,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:03:49,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:03:49,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:03:49,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:03:49,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:03:49,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:03:49,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:03:49,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:03:49,973 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:03:49,974 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:03:49,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:03:49,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:03:49,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:03:49,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:03:49,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:03:49,980 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:03:49,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:03:49,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:03:49,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:03:49,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:03:49,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:03:49,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:03:49,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:03:49,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:03:49,986 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_202357f0-4050-4c14-bb00-fc65347945a6/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2020-11-22 13:03:50,029 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:03:50,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:03:50,031 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:03:50,031 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:03:50,031 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:03:50,031 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:03:50,031 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:03:50,032 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:03:50,032 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:03:50,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:03:50,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:03:50,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:03:50,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:03:50,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:03:50,033 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:03:50,033 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:03:50,033 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:03:50,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:03:50,034 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:03:50,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:03:50,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:03:50,034 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:03:50,034 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:03:50,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:03:50,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:03:50,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:03:50,035 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:03:50,035 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:03:50,036 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:03:50,036 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:03:50,036 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:03:50,036 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:03:50,036 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:03:50,037 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_202357f0-4050-4c14-bb00-fc65347945a6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_202357f0-4050-4c14-bb00-fc65347945a6/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e671c4a4043213b2ced1869dfe3167fef57c51cb [2020-11-22 13:03:50,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:03:50,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:03:50,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:03:50,423 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:03:50,424 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:03:50,425 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_202357f0-4050-4c14-bb00-fc65347945a6/bin/utaipan/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2020-11-22 13:03:50,499 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_202357f0-4050-4c14-bb00-fc65347945a6/bin/utaipan/data/30c7e350e/b98fffa423f4465b9970417172f2b3b9/FLAG08341e4a0 [2020-11-22 13:03:51,648 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:03:51,649 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_202357f0-4050-4c14-bb00-fc65347945a6/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2020-11-22 13:03:51,732 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_202357f0-4050-4c14-bb00-fc65347945a6/bin/utaipan/data/30c7e350e/b98fffa423f4465b9970417172f2b3b9/FLAG08341e4a0 [2020-11-22 13:03:51,870 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_202357f0-4050-4c14-bb00-fc65347945a6/bin/utaipan/data/30c7e350e/b98fffa423f4465b9970417172f2b3b9 [2020-11-22 13:03:51,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:03:51,877 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:03:51,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:03:51,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:03:51,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:03:51,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:03:51" (1/1) ... [2020-11-22 13:03:51,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@87d52b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:51, skipping insertion in model container [2020-11-22 13:03:51,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:03:51" (1/1) ... [2020-11-22 13:03:51,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:03:52,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:03:55,482 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-22 13:03:55,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3347e488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:03:55, skipping insertion in model container [2020-11-22 13:03:55,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:03:55,483 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:03:55,485 INFO L168 Benchmark]: Toolchain (without parser) took 3606.80 ms. Allocated memory was 54.5 MB in the beginning and 125.8 MB in the end (delta: 71.3 MB). Free memory was 22.7 MB in the beginning and 65.9 MB in the end (delta: -43.2 MB). Peak memory consumption was 48.0 MB. Max. memory is 16.1 GB. [2020-11-22 13:03:55,486 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 54.5 MB. Free memory is still 36.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:03:55,487 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3604.16 ms. Allocated memory was 54.5 MB in the beginning and 125.8 MB in the end (delta: 71.3 MB). Free memory was 22.5 MB in the beginning and 65.9 MB in the end (delta: -43.4 MB). Peak memory consumption was 48.0 MB. Max. memory is 16.1 GB. [2020-11-22 13:03:55,489 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 54.5 MB. Free memory is still 36.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3604.16 ms. Allocated memory was 54.5 MB in the beginning and 125.8 MB in the end (delta: 71.3 MB). Free memory was 22.5 MB in the beginning and 65.9 MB in the end (delta: -43.4 MB). Peak memory consumption was 48.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 11212]: 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...