./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF --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 59473e3c2ae80c2e7996950da3475e9070fa07527cbe1064da7145ffd0ce24e6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:54:41,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:54:41,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:54:41,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:54:41,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:54:41,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:54:41,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:54:41,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:54:41,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:54:41,879 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:54:41,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:54:41,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:54:41,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:54:41,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:54:41,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:54:41,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:54:41,895 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:54:41,897 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:54:41,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:54:41,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:54:41,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:54:41,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:54:41,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:54:41,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:54:41,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:54:41,918 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:54:41,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:54:41,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:54:41,922 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:54:41,923 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:54:41,924 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:54:41,925 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:54:41,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:54:41,928 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:54:41,930 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:54:41,930 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:54:41,931 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:54:41,931 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:54:41,931 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:54:41,932 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:54:41,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:54:41,934 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 22:54:41,979 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:54:41,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:54:41,985 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:54:41,986 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:54:41,986 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:54:41,986 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:54:41,986 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:54:41,986 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:54:41,987 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:54:41,987 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:54:41,987 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:54:41,987 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:54:41,987 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:54:41,988 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:54:41,988 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:54:41,988 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:54:41,989 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:54:41,989 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:54:41,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:54:41,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:54:41,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:54:41,990 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:54:41,990 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:54:41,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:54:41,991 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:54:41,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:54:41,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:54:41,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:54:41,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:54:41,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:54:41,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:54:41,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:54:41,992 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:54:41,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:54:41,993 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:54:41,993 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:54:41,993 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:54:41,993 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_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59473e3c2ae80c2e7996950da3475e9070fa07527cbe1064da7145ffd0ce24e6 [2021-11-12 22:54:42,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:54:42,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:54:42,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:54:42,306 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:54:42,307 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:54:42,309 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i [2021-11-12 22:54:42,380 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF/data/a89f3a372/882ff92507294892a48ffab911dd1293/FLAG1392bf3e6 [2021-11-12 22:54:43,392 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:54:43,393 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i [2021-11-12 22:54:43,470 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF/data/a89f3a372/882ff92507294892a48ffab911dd1293/FLAG1392bf3e6 [2021-11-12 22:54:43,724 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF/data/a89f3a372/882ff92507294892a48ffab911dd1293 [2021-11-12 22:54:43,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:54:43,728 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:54:43,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:54:43,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:54:43,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:54:43,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:54:43" (1/1) ... [2021-11-12 22:54:43,733 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5550296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:43, skipping insertion in model container [2021-11-12 22:54:43,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:54:43" (1/1) ... [2021-11-12 22:54:43,740 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:54:43,902 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:54:44,887 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:44,972 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:45,009 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:45,048 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:45,066 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:45,073 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:45,139 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:45,160 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:45,178 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:45,750 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:45,751 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:45,752 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:45,754 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:45,755 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:45,756 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:45,758 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:45,759 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:45,759 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:45,761 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:45,762 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:45,763 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:45,765 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:45,766 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:45,766 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:45,775 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:45,776 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:45,776 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:45,789 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:45,798 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:46,095 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i[358872,358885] [2021-11-12 22:54:46,098 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i[359038,359051] [2021-11-12 22:54:46,098 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i[359202,359215] [2021-11-12 22:54:46,099 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i[359367,359380] [2021-11-12 22:54:46,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:54:46,212 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-12 22:54:46,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@303471dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:46, skipping insertion in model container [2021-11-12 22:54:46,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:54:46,213 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:54:46,215 INFO L158 Benchmark]: Toolchain (without parser) took 2486.34ms. Allocated memory was 90.2MB in the beginning and 125.8MB in the end (delta: 35.7MB). Free memory was 57.7MB in the beginning and 68.1MB in the end (delta: -10.4MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. [2021-11-12 22:54:46,216 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 90.2MB. Free memory was 69.7MB in the beginning and 69.6MB in the end (delta: 50.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:54:46,218 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2483.80ms. Allocated memory was 90.2MB in the beginning and 125.8MB in the end (delta: 35.7MB). Free memory was 57.4MB in the beginning and 68.1MB in the end (delta: -10.6MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. [2021-11-12 22:54:46,220 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 90.2MB. Free memory was 69.7MB in the beginning and 69.6MB in the end (delta: 50.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2483.80ms. Allocated memory was 90.2MB in the beginning and 125.8MB in the end (delta: 35.7MB). Free memory was 57.4MB in the beginning and 68.1MB in the end (delta: -10.6MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6727]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF --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 59473e3c2ae80c2e7996950da3475e9070fa07527cbe1064da7145ffd0ce24e6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:54:48,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:54:48,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:54:48,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:54:48,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:54:48,466 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:54:48,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:54:48,476 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:54:48,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:54:48,486 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:54:48,488 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:54:48,490 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:54:48,491 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:54:48,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:54:48,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:54:48,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:54:48,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:54:48,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:54:48,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:54:48,517 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:54:48,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:54:48,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:54:48,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:54:48,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:54:48,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:54:48,535 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:54:48,535 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:54:48,537 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:54:48,538 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:54:48,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:54:48,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:54:48,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:54:48,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:54:48,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:54:48,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:54:48,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:54:48,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:54:48,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:54:48,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:54:48,549 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:54:48,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:54:48,554 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 22:54:48,604 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:54:48,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:54:48,606 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:54:48,606 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:54:48,606 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:54:48,607 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:54:48,607 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:54:48,607 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:54:48,608 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:54:48,608 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:54:48,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:54:48,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:54:48,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:54:48,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:54:48,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:54:48,612 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:54:48,612 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 22:54:48,612 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 22:54:48,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:54:48,612 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:54:48,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:54:48,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:54:48,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 22:54:48,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:54:48,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:54:48,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:54:48,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:54:48,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:54:48,615 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 22:54:48,615 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 22:54:48,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:54:48,615 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:54:48,615 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:54:48,616 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_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59473e3c2ae80c2e7996950da3475e9070fa07527cbe1064da7145ffd0ce24e6 [2021-11-12 22:54:49,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:54:49,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:54:49,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:54:49,038 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:54:49,038 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:54:49,040 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i [2021-11-12 22:54:49,115 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF/data/8e28969ff/1e885765d5634a6abdf1c39bdfcd08e6/FLAG2c4be03d7 [2021-11-12 22:54:50,230 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:54:50,230 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i [2021-11-12 22:54:50,303 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF/data/8e28969ff/1e885765d5634a6abdf1c39bdfcd08e6/FLAG2c4be03d7 [2021-11-12 22:54:50,318 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF/data/8e28969ff/1e885765d5634a6abdf1c39bdfcd08e6 [2021-11-12 22:54:50,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:54:50,323 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:54:50,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:54:50,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:54:50,330 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:54:50,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:54:50" (1/1) ... [2021-11-12 22:54:50,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bf4fb5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:50, skipping insertion in model container [2021-11-12 22:54:50,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:54:50" (1/1) ... [2021-11-12 22:54:50,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:54:50,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:54:52,542 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i[358872,358885] [2021-11-12 22:54:52,545 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i[359038,359051] [2021-11-12 22:54:52,546 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i[359202,359215] [2021-11-12 22:54:52,546 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i[359367,359380] [2021-11-12 22:54:52,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:54:52,663 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 22:54:52,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:54:53,048 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i[358872,358885] [2021-11-12 22:54:53,049 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i[359038,359051] [2021-11-12 22:54:53,049 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i[359202,359215] [2021-11-12 22:54:53,050 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i[359367,359380] [2021-11-12 22:54:53,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:54:53,158 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 22:54:53,709 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i[358872,358885] [2021-11-12 22:54:53,710 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i[359038,359051] [2021-11-12 22:54:53,710 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i[359202,359215] [2021-11-12 22:54:53,711 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i[359367,359380] [2021-11-12 22:54:53,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:54:54,004 INFO L208 MainTranslator]: Completed translation [2021-11-12 22:54:54,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:54 WrapperNode [2021-11-12 22:54:54,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:54:54,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 22:54:54,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 22:54:54,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 22:54:54,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:54" (1/1) ... [2021-11-12 22:54:54,133 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:54" (1/1) ... [2021-11-12 22:54:54,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 22:54:54,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 22:54:54,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 22:54:54,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 22:54:54,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:54" (1/1) ... [2021-11-12 22:54:54,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:54" (1/1) ... [2021-11-12 22:54:54,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:54" (1/1) ... [2021-11-12 22:54:54,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:54" (1/1) ... [2021-11-12 22:54:54,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:54" (1/1) ... [2021-11-12 22:54:54,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:54" (1/1) ... [2021-11-12 22:54:54,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:54" (1/1) ... [2021-11-12 22:54:54,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 22:54:54,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 22:54:54,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 22:54:54,566 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 22:54:54,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:54" (1/1) ... [2021-11-12 22:54:54,574 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:54:54,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:54:54,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 22:54:54,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 22:54:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_i2c_xfer [2021-11-12 22:54:54,654 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_i2c_xfer [2021-11-12 22:54:54,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 22:54:54,654 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usb_device_exit [2021-11-12 22:54:54,654 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usb_device_exit [2021-11-12 22:54:54,654 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_mt352_frontend_attach_vp7049 [2021-11-12 22:54:54,655 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_mt352_frontend_attach_vp7049 [2021-11-12 22:54:54,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_m920x_driver_exit_10_2 [2021-11-12 22:54:54,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_m920x_driver_exit_10_2 [2021-11-12 22:54:54,655 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-12 22:54:54,655 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-12 22:54:54,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 22:54:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 22:54:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 22:54:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 22:54:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usb_device_init [2021-11-12 22:54:54,656 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usb_device_init [2021-11-12 22:54:54,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 22:54:54,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 22:54:54,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 22:54:54,657 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_mt2060_tuner_attach [2021-11-12 22:54:54,657 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_mt2060_tuner_attach [2021-11-12 22:54:54,657 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_tda8275_61_tuner_attach [2021-11-12 22:54:54,657 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_tda8275_61_tuner_attach [2021-11-12 22:54:54,658 INFO L130 BoogieDeclarations]: Found specification of procedure usb_altnum_to_altsetting [2021-11-12 22:54:54,658 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_altnum_to_altsetting [2021-11-12 22:54:54,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_6_4 [2021-11-12 22:54:54,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_6_4 [2021-11-12 22:54:54,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 22:54:54,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 22:54:54,659 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_update_filters [2021-11-12 22:54:54,659 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_update_filters [2021-11-12 22:54:54,660 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_write_seq [2021-11-12 22:54:54,660 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_write_seq [2021-11-12 22:54:54,660 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_tda8275_60_tuner_attach [2021-11-12 22:54:54,660 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_tda8275_60_tuner_attach [2021-11-12 22:54:54,660 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2021-11-12 22:54:54,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2021-11-12 22:54:54,661 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_pid_filter_ctrl [2021-11-12 22:54:54,661 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_pid_filter_ctrl [2021-11-12 22:54:54,661 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-12 22:54:54,662 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-12 22:54:54,662 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_probe [2021-11-12 22:54:54,663 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_probe [2021-11-12 22:54:54,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 22:54:54,663 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_rc_query [2021-11-12 22:54:54,664 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_rc_query [2021-11-12 22:54:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure mt352_write [2021-11-12 22:54:54,664 INFO L138 BoogieDeclarations]: Found implementation of procedure mt352_write [2021-11-12 22:54:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 22:54:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 22:54:54,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 22:54:54,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 22:54:54,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 22:54:54,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-12 22:54:54,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-12 22:54:54,666 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_parse_rc_state [2021-11-12 22:54:54,666 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_parse_rc_state [2021-11-12 22:54:54,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 22:54:54,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 22:54:54,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 22:54:54,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 22:54:54,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 22:54:54,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-12 22:54:54,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 22:54:54,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 22:54:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 22:54:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_firmware_download [2021-11-12 22:54:54,669 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_firmware_download [2021-11-12 22:54:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-12 22:54:54,669 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-12 22:54:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_pid_filter [2021-11-12 22:54:54,669 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_pid_filter [2021-11-12 22:54:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 22:54:54,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 22:54:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2021-11-12 22:54:54,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2021-11-12 22:54:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_tda10046_0b_frontend_attach [2021-11-12 22:54:54,671 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_tda10046_0b_frontend_attach [2021-11-12 22:54:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 22:54:54,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 22:54:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-12 22:54:54,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-12 22:54:54,673 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_mt352_frontend_attach [2021-11-12 22:54:54,673 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_mt352_frontend_attach [2021-11-12 22:54:54,673 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2021-11-12 22:54:54,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2021-11-12 22:54:54,673 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-12 22:54:54,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-12 22:54:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 22:54:54,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 22:54:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-12 22:54:54,674 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-12 22:54:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-12 22:54:54,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-12 22:54:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 22:54:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_tda10046_08_frontend_attach [2021-11-12 22:54:54,675 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_tda10046_08_frontend_attach [2021-11-12 22:54:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 22:54:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 22:54:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 22:54:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_qt1010_tuner_attach [2021-11-12 22:54:54,676 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_qt1010_tuner_attach [2021-11-12 22:54:54,677 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_mt352_demod_init [2021-11-12 22:54:54,677 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_mt352_demod_init [2021-11-12 22:54:54,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 22:54:54,681 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_write [2021-11-12 22:54:54,682 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_write [2021-11-12 22:54:54,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-12 22:54:54,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-12 22:54:54,682 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_fmd1216me_tuner_attach [2021-11-12 22:54:54,683 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_fmd1216me_tuner_attach [2021-11-12 22:54:54,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 22:54:54,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 22:54:54,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 22:54:54,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 22:54:54,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 22:54:54,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 22:54:54,691 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-12 22:54:54,691 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-12 22:54:54,691 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2021-11-12 22:54:54,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2021-11-12 22:54:54,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 22:54:54,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 22:54:54,692 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_set_filter [2021-11-12 22:54:54,692 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_set_filter [2021-11-12 22:54:54,692 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_identify_state [2021-11-12 22:54:54,693 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_identify_state [2021-11-12 22:54:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 22:54:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-12 22:54:54,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-12 22:54:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_i2c_func [2021-11-12 22:54:54,693 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_i2c_func [2021-11-12 22:54:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 22:54:54,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 22:54:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_read [2021-11-12 22:54:54,694 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_read [2021-11-12 22:54:59,464 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 23:08:24,713 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-12 23:08:24,912 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:08:24,912 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-12 23:08:24,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:08:24 BoogieIcfgContainer [2021-11-12 23:08:24,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:08:24,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:08:24,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:08:24,922 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:08:24,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 10:54:50" (1/3) ... [2021-11-12 23:08:24,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2117fa95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:08:24, skipping insertion in model container [2021-11-12 23:08:24,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:54" (2/3) ... [2021-11-12 23:08:24,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2117fa95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:08:24, skipping insertion in model container [2021-11-12 23:08:24,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:08:24" (3/3) ... [2021-11-12 23:08:24,925 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i [2021-11-12 23:08:24,930 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:08:24,931 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-12 23:08:24,988 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:08:24,994 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:08:24,995 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-12 23:08:25,061 INFO L276 IsEmpty]: Start isEmpty. Operand has 1336 states, 963 states have (on average 1.3219106957424716) internal successors, (1273), 975 states have internal predecessors, (1273), 317 states have call successors, (317), 54 states have call predecessors, (317), 53 states have return successors, (311), 311 states have call predecessors, (311), 311 states have call successors, (311) [2021-11-12 23:08:25,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 625 [2021-11-12 23:08:25,112 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:08:25,114 INFO L514 BasicCegarLoop]: trace histogram [55, 55, 54, 54, 54, 54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:08:25,114 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:08:25,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:08:25,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1021711054, now seen corresponding path program 1 times [2021-11-12 23:08:25,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:08:25,147 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1122444093] [2021-11-12 23:08:25,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:08:25,149 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:08:25,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:08:25,152 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:08:25,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:08:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:08:34,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 3649 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:08:34,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:08:36,595 INFO L134 CoverageAnalysis]: Checked inductivity of 13041 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 12879 trivial. 0 not checked. [2021-11-12 23:08:36,595 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:08:38,153 INFO L134 CoverageAnalysis]: Checked inductivity of 13041 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13041 trivial. 0 not checked. [2021-11-12 23:08:38,154 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:08:38,156 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1122444093] [2021-11-12 23:08:38,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1122444093] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:08:38,156 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:08:38,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:08:38,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309158724] [2021-11-12 23:08:38,161 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:08:38,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:08:38,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:08:38,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:08:38,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:08:38,211 INFO L87 Difference]: Start difference. First operand has 1336 states, 963 states have (on average 1.3219106957424716) internal successors, (1273), 975 states have internal predecessors, (1273), 317 states have call successors, (317), 54 states have call predecessors, (317), 53 states have return successors, (311), 311 states have call predecessors, (311), 311 states have call successors, (311) Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 4 states have call successors, (61), 3 states have call predecessors, (61), 3 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) [2021-11-12 23:08:41,115 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:08:48,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:08:48,913 INFO L93 Difference]: Finished difference Result 4821 states and 6953 transitions. [2021-11-12 23:08:48,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:08:48,917 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 4 states have call successors, (61), 3 states have call predecessors, (61), 3 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) Word has length 624 [2021-11-12 23:08:48,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:08:49,004 INFO L225 Difference]: With dead ends: 4821 [2021-11-12 23:08:49,004 INFO L226 Difference]: Without dead ends: 3581 [2021-11-12 23:08:49,027 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1246 GetRequests, 1244 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:08:49,031 INFO L933 BasicCegarLoop]: 2375 mSDtfsCounter, 3438 mSDsluCounter, 4402 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 26 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9658.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3438 SdHoareTripleChecker+Valid, 6777 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 62.41ms SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10227.65ms IncrementalHoareTripleChecker+Time [2021-11-12 23:08:49,035 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3438 Valid, 6777 Invalid, 702 Unknown, 0 Unchecked, 62.41ms Time], IncrementalHoareTripleChecker [26 Valid, 675 Invalid, 1 Unknown, 0 Unchecked, 10227.65ms Time] [2021-11-12 23:08:49,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3581 states. [2021-11-12 23:08:49,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3581 to 3563. [2021-11-12 23:08:49,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3563 states, 2635 states have (on average 1.3332068311195446) internal successors, (3513), 2667 states have internal predecessors, (3513), 773 states have call successors, (773), 153 states have call predecessors, (773), 152 states have return successors, (769), 769 states have call predecessors, (769), 769 states have call successors, (769) [2021-11-12 23:08:49,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3563 states to 3563 states and 5055 transitions. [2021-11-12 23:08:49,378 INFO L78 Accepts]: Start accepts. Automaton has 3563 states and 5055 transitions. Word has length 624 [2021-11-12 23:08:49,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:08:49,383 INFO L470 AbstractCegarLoop]: Abstraction has 3563 states and 5055 transitions. [2021-11-12 23:08:49,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 4 states have call successors, (61), 3 states have call predecessors, (61), 3 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) [2021-11-12 23:08:49,383 INFO L276 IsEmpty]: Start isEmpty. Operand 3563 states and 5055 transitions. [2021-11-12 23:08:49,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2021-11-12 23:08:49,405 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:08:49,406 INFO L514 BasicCegarLoop]: trace histogram [55, 55, 54, 54, 54, 54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:08:49,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:08:49,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:08:49,622 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:08:49,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:08:49,623 INFO L85 PathProgramCache]: Analyzing trace with hash 779180209, now seen corresponding path program 1 times [2021-11-12 23:08:49,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:08:49,636 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1542751722] [2021-11-12 23:08:49,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:08:49,636 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:08:49,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:08:49,637 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:08:49,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a17e60b9-d850-469e-9d32-832e984e7b6f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process