./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs --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 d88980e24377daa45068c6e4fe090f3a4be139e16663cf138c162fc55d6daf92 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:54:38,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:54:38,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:54:38,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:54:38,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:54:38,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:54:38,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:54:38,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:54:38,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:54:38,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:54:38,342 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:54:38,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:54:38,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:54:38,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:54:38,351 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:54:38,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:54:38,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:54:38,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:54:38,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:54:38,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:54:38,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:54:38,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:54:38,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:54:38,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:54:38,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:54:38,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:54:38,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:54:38,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:54:38,399 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:54:38,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:54:38,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:54:38,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:54:38,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:54:38,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:54:38,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:54:38,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:54:38,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:54:38,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:54:38,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:54:38,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:54:38,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:54:38,414 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:54:38,473 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:54:38,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:54:38,478 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:54:38,479 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:54:38,479 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:54:38,479 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:54:38,479 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:54:38,480 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:54:38,480 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:54:38,480 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:54:38,482 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:54:38,482 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:54:38,482 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:54:38,483 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:54:38,483 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:54:38,483 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:54:38,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:54:38,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:54:38,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:54:38,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:54:38,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:54:38,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:54:38,486 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:54:38,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:54:38,486 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:54:38,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:54:38,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:54:38,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:54:38,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:54:38,488 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:54:38,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:54:38,488 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:54:38,489 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:54:38,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:54:38,489 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:54:38,490 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:54:38,490 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:54:38,490 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_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d88980e24377daa45068c6e4fe090f3a4be139e16663cf138c162fc55d6daf92 [2021-11-19 14:54:38,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:54:38,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:54:38,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:54:38,878 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:54:38,879 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:54:38,881 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2021-11-19 14:54:38,957 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/data/6a94b0959/d80f554eefd342ba9cd6269e6549714c/FLAG33e35d026 [2021-11-19 14:54:40,494 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:54:40,494 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2021-11-19 14:54:40,609 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/data/6a94b0959/d80f554eefd342ba9cd6269e6549714c/FLAG33e35d026 [2021-11-19 14:54:40,938 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/data/6a94b0959/d80f554eefd342ba9cd6269e6549714c [2021-11-19 14:54:40,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:54:40,942 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:54:40,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:54:40,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:54:40,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:54:40,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:40" (1/1) ... [2021-11-19 14:54:40,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f052d6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:40, skipping insertion in model container [2021-11-19 14:54:40,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:40" (1/1) ... [2021-11-19 14:54:40,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:54:41,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:54:43,571 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:54:43,573 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:54:43,882 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:54:43,885 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:54:43,904 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:54:43,906 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:54:44,178 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:54:44,232 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:54:47,500 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:54:49,593 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:54:50,270 WARN L230 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_b765e655-59fb-4276-b043-2499eaa2d577/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[887303,887316] [2021-11-19 14:54:50,274 WARN L230 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_b765e655-59fb-4276-b043-2499eaa2d577/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[887469,887482] [2021-11-19 14:54:50,275 WARN L230 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_b765e655-59fb-4276-b043-2499eaa2d577/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[887633,887646] [2021-11-19 14:54:50,276 WARN L230 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_b765e655-59fb-4276-b043-2499eaa2d577/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[887798,887811] [2021-11-19 14:54:50,347 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:54:50,525 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) [2021-11-19 14:54:50,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5d7e9f44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:50, skipping insertion in model container [2021-11-19 14:54:50,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:54:50,527 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:54:50,530 INFO L158 Benchmark]: Toolchain (without parser) took 9586.16ms. Allocated memory was 109.1MB in the beginning and 257.9MB in the end (delta: 148.9MB). Free memory was 55.5MB in the beginning and 108.6MB in the end (delta: -53.1MB). Peak memory consumption was 124.5MB. Max. memory is 16.1GB. [2021-11-19 14:54:50,531 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory was 84.6MB in the beginning and 84.5MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:54:50,532 INFO L158 Benchmark]: CACSL2BoogieTranslator took 9580.68ms. Allocated memory was 109.1MB in the beginning and 257.9MB in the end (delta: 148.9MB). Free memory was 55.5MB in the beginning and 108.6MB in the end (delta: -53.1MB). Peak memory consumption was 124.5MB. Max. memory is 16.1GB. [2021-11-19 14:54:50,535 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory was 84.6MB in the beginning and 84.5MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 9580.68ms. Allocated memory was 109.1MB in the beginning and 257.9MB in the end (delta: 148.9MB). Free memory was 55.5MB in the beginning and 108.6MB in the end (delta: -53.1MB). Peak memory consumption was 124.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8195]: 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_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs --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 d88980e24377daa45068c6e4fe090f3a4be139e16663cf138c162fc55d6daf92 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:54:53,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:54:53,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:54:53,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:54:53,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:54:53,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:54:53,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:54:53,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:54:53,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:54:53,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:54:53,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:54:53,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:54:53,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:54:53,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:54:53,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:54:53,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:54:53,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:54:53,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:54:53,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:54:53,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:54:53,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:54:53,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:54:53,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:54:53,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:54:53,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:54:53,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:54:53,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:54:53,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:54:53,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:54:53,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:54:53,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:54:53,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:54:53,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:54:53,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:54:53,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:54:53,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:54:53,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:54:53,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:54:53,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:54:53,598 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:54:53,599 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:54:53,605 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:54:53,669 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:54:53,669 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:54:53,671 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:54:53,671 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:54:53,671 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:54:53,672 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:54:53,672 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:54:53,672 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:54:53,673 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:54:53,673 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:54:53,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:54:53,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:54:53,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:54:53,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:54:53,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:54:53,677 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:54:53,678 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:54:53,678 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:54:53,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:54:53,678 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:54:53,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:54:53,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:54:53,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:54:53,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:54:53,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:54:53,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:54:53,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:54:53,681 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:54:53,681 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:54:53,681 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:54:53,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:54:53,682 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:54:53,682 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:54:53,682 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_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d88980e24377daa45068c6e4fe090f3a4be139e16663cf138c162fc55d6daf92 [2021-11-19 14:54:54,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:54:54,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:54:54,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:54:54,230 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:54:54,231 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:54:54,233 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2021-11-19 14:54:54,312 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/data/3995b9493/dac6c392aded48fbb62996425adc74bf/FLAGa400d9ae2 [2021-11-19 14:54:56,082 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:54:56,083 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2021-11-19 14:54:56,226 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/data/3995b9493/dac6c392aded48fbb62996425adc74bf/FLAGa400d9ae2 [2021-11-19 14:54:56,262 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/data/3995b9493/dac6c392aded48fbb62996425adc74bf [2021-11-19 14:54:56,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:54:56,269 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:54:56,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:54:56,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:54:56,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:54:56,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:56" (1/1) ... [2021-11-19 14:54:56,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68cf671d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:56, skipping insertion in model container [2021-11-19 14:54:56,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:56" (1/1) ... [2021-11-19 14:54:56,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:54:56,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:55:06,379 WARN L230 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_b765e655-59fb-4276-b043-2499eaa2d577/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[887303,887316] [2021-11-19 14:55:06,383 WARN L230 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_b765e655-59fb-4276-b043-2499eaa2d577/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[887469,887482] [2021-11-19 14:55:06,384 WARN L230 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_b765e655-59fb-4276-b043-2499eaa2d577/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[887633,887646] [2021-11-19 14:55:06,384 WARN L230 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_b765e655-59fb-4276-b043-2499eaa2d577/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[887798,887811] [2021-11-19 14:55:06,461 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:55:06,679 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:55:06,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:55:08,136 WARN L230 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_b765e655-59fb-4276-b043-2499eaa2d577/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[887303,887316] [2021-11-19 14:55:08,137 WARN L230 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_b765e655-59fb-4276-b043-2499eaa2d577/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[887469,887482] [2021-11-19 14:55:08,137 WARN L230 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_b765e655-59fb-4276-b043-2499eaa2d577/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[887633,887646] [2021-11-19 14:55:08,138 WARN L230 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_b765e655-59fb-4276-b043-2499eaa2d577/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[887798,887811] [2021-11-19 14:55:08,143 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:55:08,244 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:55:09,543 WARN L230 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_b765e655-59fb-4276-b043-2499eaa2d577/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[887303,887316] [2021-11-19 14:55:09,544 WARN L230 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_b765e655-59fb-4276-b043-2499eaa2d577/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[887469,887482] [2021-11-19 14:55:09,545 WARN L230 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_b765e655-59fb-4276-b043-2499eaa2d577/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[887633,887646] [2021-11-19 14:55:09,546 WARN L230 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_b765e655-59fb-4276-b043-2499eaa2d577/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[887798,887811] [2021-11-19 14:55:09,557 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:55:10,027 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:55:10,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:10 WrapperNode [2021-11-19 14:55:10,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:55:10,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:55:10,035 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:55:10,035 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:55:10,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:10" (1/1) ... [2021-11-19 14:55:10,475 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:10" (1/1) ... [2021-11-19 14:55:11,474 INFO L137 Inliner]: procedures = 598, calls = 10780, calls flagged for inlining = 348, calls inlined = 336, statements flattened = 24787 [2021-11-19 14:55:11,491 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:55:11,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:55:11,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:55:11,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:55:11,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:10" (1/1) ... [2021-11-19 14:55:11,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:10" (1/1) ... [2021-11-19 14:55:11,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:10" (1/1) ... [2021-11-19 14:55:11,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:10" (1/1) ... [2021-11-19 14:55:12,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:10" (1/1) ... [2021-11-19 14:55:12,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:10" (1/1) ... [2021-11-19 14:55:12,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:10" (1/1) ... [2021-11-19 14:55:13,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:55:13,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:55:13,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:55:13,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:55:13,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:10" (1/1) ... [2021-11-19 14:55:13,179 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:55:13,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:55:13,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:55:13,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:55:13,268 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_check_bssid [2021-11-19 14:55:13,268 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_check_bssid [2021-11-19 14:55:13,269 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_query_rf_reg [2021-11-19 14:55:13,269 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_query_rf_reg [2021-11-19 14:55:13,269 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_sw_led_on [2021-11-19 14:55:13,269 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_sw_led_on [2021-11-19 14:55:13,269 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-19 14:55:13,270 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-19 14:55:13,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 14:55:13,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 14:55:13,270 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_lc_calibrate [2021-11-19 14:55:13,270 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_lc_calibrate [2021-11-19 14:55:13,271 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8188e_config_bb_reg [2021-11-19 14:55:13,271 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8188e_config_bb_reg [2021-11-19 14:55:13,271 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2021-11-19 14:55:13,271 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2021-11-19 14:55:13,271 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_fwlps_enter [2021-11-19 14:55:13,272 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_fwlps_enter [2021-11-19 14:55:13,272 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_path_adda_on [2021-11-19 14:55:13,272 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_path_adda_on [2021-11-19 14:55:13,272 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_signal_scale_mapping [2021-11-19 14:55:13,272 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_signal_scale_mapping [2021-11-19 14:55:13,273 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2021-11-19 14:55:13,273 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2021-11-19 14:55:13,273 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 14:55:13,273 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 14:55:13,274 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 14:55:13,274 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 14:55:13,274 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_query_bb_reg [2021-11-19 14:55:13,275 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_query_bb_reg [2021-11-19 14:55:13,275 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_suspend [2021-11-19 14:55:13,276 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_suspend [2021-11-19 14:55:13,276 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-19 14:55:13,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-19 14:55:13,277 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_enable_interrupt [2021-11-19 14:55:13,277 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_enable_interrupt [2021-11-19 14:55:13,277 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_sw_led_off [2021-11-19 14:55:13,277 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_sw_led_off [2021-11-19 14:55:13,277 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-19 14:55:13,278 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2021-11-19 14:55:13,278 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2021-11-19 14:55:13,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 14:55:13,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 14:55:13,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl88ee_driver_exit_9_2 [2021-11-19 14:55:13,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl88ee_driver_exit_9_2 [2021-11-19 14:55:13,281 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_config_rf_with_headerfile [2021-11-19 14:55:13,282 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_config_rf_with_headerfile [2021-11-19 14:55:13,282 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_firmware_selfreset [2021-11-19 14:55:13,282 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_firmware_selfreset [2021-11-19 14:55:13,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 14:55:13,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 14:55:13,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-19 14:55:13,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-19 14:55:13,285 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-19 14:55:13,285 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-19 14:55:13,285 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_get_desc [2021-11-19 14:55:13,285 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_get_desc [2021-11-19 14:55:13,286 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_beacon_interval [2021-11-19 14:55:13,286 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_beacon_interval [2021-11-19 14:55:13,286 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_disable_interrupt [2021-11-19 14:55:13,287 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_disable_interrupt [2021-11-19 14:55:13,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:55:13,287 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_resume [2021-11-19 14:55:13,287 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_resume [2021-11-19 14:55:13,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 14:55:13,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:55:13,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:55:13,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 14:55:13,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-19 14:55:13,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-19 14:55:13,289 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_channel_access_setting [2021-11-19 14:55:13,289 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_channel_access_setting [2021-11-19 14:55:13,290 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_update_rx_idle_ant [2021-11-19 14:55:13,290 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_update_rx_idle_ant [2021-11-19 14:55:13,290 INFO L130 BoogieDeclarations]: Found specification of procedure get_rf_type [2021-11-19 14:55:13,291 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rf_type [2021-11-19 14:55:13,291 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-19 14:55:13,291 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-19 14:55:13,292 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-19 14:55:13,292 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-19 14:55:13,292 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_has_protected [2021-11-19 14:55:13,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_has_protected [2021-11-19 14:55:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 14:55:13,294 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 14:55:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure is_hal_stop [2021-11-19 14:55:13,294 INFO L138 BoogieDeclarations]: Found implementation of procedure is_hal_stop [2021-11-19 14:55:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 14:55:13,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 14:55:13,295 INFO L130 BoogieDeclarations]: Found specification of procedure rf_serial_read [2021-11-19 14:55:13,295 INFO L138 BoogieDeclarations]: Found implementation of procedure rf_serial_read [2021-11-19 14:55:13,295 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_interrupt_mask [2021-11-19 14:55:13,295 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_interrupt_mask [2021-11-19 14:55:13,295 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-19 14:55:13,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-19 14:55:13,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 14:55:13,296 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 14:55:13,296 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_rf_reg [2021-11-19 14:55:13,297 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_rf_reg [2021-11-19 14:55:13,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 14:55:13,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 14:55:13,297 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-19 14:55:13,298 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-19 14:55:13,298 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2021-11-19 14:55:13,301 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2021-11-19 14:55:13,304 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_card_disable [2021-11-19 14:55:13,304 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_card_disable [2021-11-19 14:55:13,305 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_check_fw_read_last_h2c [2021-11-19 14:55:13,305 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_check_fw_read_last_h2c [2021-11-19 14:55:13,305 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_beacon [2021-11-19 14:55:13,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_beacon [2021-11-19 14:55:13,306 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2021-11-19 14:55:13,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2021-11-19 14:55:13,307 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_led_control [2021-11-19 14:55:13,313 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_led_control [2021-11-19 14:55:13,313 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_beacon_related_registers [2021-11-19 14:55:13,313 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_beacon_related_registers [2021-11-19 14:55:13,313 INFO L130 BoogieDeclarations]: Found specification of procedure save_adda_reg [2021-11-19 14:55:13,314 INFO L138 BoogieDeclarations]: Found implementation of procedure save_adda_reg [2021-11-19 14:55:13,314 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2021-11-19 14:55:13,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2021-11-19 14:55:13,314 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-11-19 14:55:13,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-11-19 14:55:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:55:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 14:55:13,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 14:55:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-11-19 14:55:13,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-11-19 14:55:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-19 14:55:13,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-19 14:55:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2021-11-19 14:55:13,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2021-11-19 14:55:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-19 14:55:13,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-19 14:55:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_hw_reg [2021-11-19 14:55:13,317 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_hw_reg [2021-11-19 14:55:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:55:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 14:55:13,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 14:55:13,318 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 14:55:13,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 14:55:13,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:55:13,318 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 14:55:13,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 14:55:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 14:55:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_rfpath_switch [2021-11-19 14:55:13,319 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_rfpath_switch [2021-11-19 14:55:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:55:13,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:55:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 14:55:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_hal_rate_tbl [2021-11-19 14:55:13,320 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_hal_rate_tbl [2021-11-19 14:55:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_txpower_level [2021-11-19 14:55:13,321 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_txpower_level [2021-11-19 14:55:13,321 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-19 14:55:13,322 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-19 14:55:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_bb_reg [2021-11-19 14:55:13,322 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_bb_reg [2021-11-19 14:55:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_qos [2021-11-19 14:55:13,323 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_qos [2021-11-19 14:55:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_iq_calibrate [2021-11-19 14:55:13,323 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_iq_calibrate [2021-11-19 14:55:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_cam_add_one_entry [2021-11-19 14:55:13,324 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_cam_add_one_entry [2021-11-19 14:55:13,324 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_check_txpower_tracking [2021-11-19 14:55:13,324 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_check_txpower_tracking [2021-11-19 14:55:13,324 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_init_led [2021-11-19 14:55:13,324 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_init_led [2021-11-19 14:55:13,324 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_txpower_track_adjust [2021-11-19 14:55:13,325 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_txpower_track_adjust [2021-11-19 14:55:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 14:55:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_poweroff_adapter [2021-11-19 14:55:13,325 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_poweroff_adapter [2021-11-19 14:55:13,326 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_init_edca_turbo [2021-11-19 14:55:13,326 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_init_edca_turbo [2021-11-19 14:55:13,327 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_bcn_ctrl_reg [2021-11-19 14:55:13,327 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_bcn_ctrl_reg [2021-11-19 14:55:13,327 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_init_sw_leds [2021-11-19 14:55:13,329 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_init_sw_leds [2021-11-19 14:55:13,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:55:13,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:55:13,329 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-19 14:55:13,329 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-19 14:55:13,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 14:55:13,330 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88_hal_pwrseqcmdparsing [2021-11-19 14:55:13,330 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88_hal_pwrseqcmdparsing [2021-11-19 14:55:13,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:55:13,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 14:55:13,330 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_enable_hw_security_config [2021-11-19 14:55:13,331 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_enable_hw_security_config [2021-11-19 14:55:13,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 14:55:13,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 14:55:13,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 14:55:13,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 14:55:13,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 14:55:13,332 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_DA [2021-11-19 14:55:13,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_DA [2021-11-19 14:55:13,332 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_rfreg [2021-11-19 14:55:13,332 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_rfreg [2021-11-19 14:55:13,332 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-19 14:55:13,332 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-19 14:55:13,333 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-11-19 14:55:13,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-11-19 14:55:13,333 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-19 14:55:13,333 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-19 14:55:13,333 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_set_iqk_matrix [2021-11-19 14:55:13,334 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_set_iqk_matrix [2021-11-19 14:55:13,334 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_chk_tx_track [2021-11-19 14:55:13,334 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_chk_tx_track [2021-11-19 14:55:13,334 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-11-19 14:55:13,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-11-19 14:55:13,334 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_stop_tx_beacon [2021-11-19 14:55:13,335 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_stop_tx_beacon [2021-11-19 14:55:13,335 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2021-11-19 14:55:13,335 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2021-11-19 14:55:13,335 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2021-11-19 14:55:13,335 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2021-11-19 14:55:13,335 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-19 14:55:13,336 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-19 14:55:13,336 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_llt_write [2021-11-19 14:55:13,336 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_llt_write [2021-11-19 14:55:13,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 14:55:13,336 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 14:55:13,336 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_suspend [2021-11-19 14:55:13,337 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_suspend [2021-11-19 14:55:13,337 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_watchdog [2021-11-19 14:55:13,337 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_watchdog [2021-11-19 14:55:13,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-19 14:55:13,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-19 14:55:13,338 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_bw_mode [2021-11-19 14:55:13,338 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_bw_mode [2021-11-19 14:55:13,339 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_fast_ant_training [2021-11-19 14:55:13,344 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_fast_ant_training [2021-11-19 14:55:13,344 INFO L130 BoogieDeclarations]: Found specification of procedure sim_comp [2021-11-19 14:55:13,344 INFO L138 BoogieDeclarations]: Found implementation of procedure sim_comp [2021-11-19 14:55:13,345 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_deinit_sw_vars [2021-11-19 14:55:13,345 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_deinit_sw_vars [2021-11-19 14:55:13,345 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_tx_polling [2021-11-19 14:55:13,345 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_tx_polling [2021-11-19 14:55:13,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:55:13,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:55:13,347 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_pi_mode_switch [2021-11-19 14:55:13,349 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_pi_mode_switch [2021-11-19 14:55:13,349 INFO L130 BoogieDeclarations]: Found specification of procedure cal_bit_shift [2021-11-19 14:55:13,349 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_bit_shift [2021-11-19 14:55:13,349 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_enable_fw_download [2021-11-19 14:55:13,350 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_enable_fw_download [2021-11-19 14:55:13,350 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_ctl [2021-11-19 14:55:13,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_ctl [2021-11-19 14:55:13,350 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-11-19 14:55:13,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-11-19 14:55:13,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 14:55:13,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 14:55:13,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 14:55:13,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 14:55:13,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:55:13,351 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-19 14:55:13,351 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-19 14:55:13,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-19 14:55:13,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-19 14:55:13,352 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_ps_rf_on [2021-11-19 14:55:13,352 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_ps_rf_on [2021-11-19 14:55:13,352 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-19 14:55:13,352 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-19 14:55:13,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 14:55:13,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 14:55:13,353 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_hw_init [2021-11-19 14:55:13,353 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_hw_init [2021-11-19 14:55:13,353 INFO L130 BoogieDeclarations]: Found specification of procedure check_cond [2021-11-19 14:55:13,353 INFO L138 BoogieDeclarations]: Found implementation of procedure check_cond [2021-11-19 14:55:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_rfreg [2021-11-19 14:55:13,354 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_rfreg [2021-11-19 14:55:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_initial_gain_min_pwdb [2021-11-19 14:55:13,354 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_initial_gain_min_pwdb [2021-11-19 14:55:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_iq_calibrate [2021-11-19 14:55:13,354 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_iq_calibrate [2021-11-19 14:55:13,355 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-11-19 14:55:13,355 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-11-19 14:55:13,355 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_resume [2021-11-19 14:55:13,355 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_resume [2021-11-19 14:55:13,355 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-11-19 14:55:13,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-11-19 14:55:13,355 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_get_hw_reg [2021-11-19 14:55:13,356 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_get_hw_reg [2021-11-19 14:55:13,356 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_phy_scan_operation_backup [2021-11-19 14:55:13,356 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_phy_scan_operation_backup [2021-11-19 14:55:13,356 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-19 14:55:13,356 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-19 14:55:13,356 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-19 14:55:13,357 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-19 14:55:13,357 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:55:13,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:55:13,357 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_fill_h2c_cmd [2021-11-19 14:55:13,357 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_fill_h2c_cmd [2021-11-19 14:55:13,357 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_fw_page_write [2021-11-19 14:55:13,358 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_fw_page_write [2021-11-19 14:55:13,358 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_query_rxpwrpercentage [2021-11-19 14:55:13,358 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_query_rxpwrpercentage [2021-11-19 14:55:13,358 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_update_tx_ant [2021-11-19 14:55:13,358 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_update_tx_ant [2021-11-19 14:55:13,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 14:55:13,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 14:55:13,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 14:55:13,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 14:55:13,359 INFO L130 BoogieDeclarations]: Found specification of procedure reload_adda [2021-11-19 14:55:13,359 INFO L138 BoogieDeclarations]: Found implementation of procedure reload_adda [2021-11-19 14:55:13,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 14:55:13,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 14:55:13,360 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_bbreg [2021-11-19 14:55:13,360 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_bbreg [2021-11-19 14:55:13,360 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_read_eeprom_info [2021-11-19 14:55:13,360 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_read_eeprom_info [2021-11-19 14:55:13,360 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_clock_off [2021-11-19 14:55:13,361 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_clock_off [2021-11-19 14:55:13,361 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_bbreg [2021-11-19 14:55:13,361 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_bbreg [2021-11-19 14:55:13,361 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-19 14:55:13,361 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-19 14:55:13,361 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_resume_tx_beacon [2021-11-19 14:55:13,362 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_resume_tx_beacon [2021-11-19 14:55:13,362 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_init_sw_vars [2021-11-19 14:55:13,362 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_init_sw_vars [2021-11-19 14:55:13,362 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2021-11-19 14:55:13,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2021-11-19 14:55:13,362 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-19 14:55:13,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-19 14:55:13,363 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88_config_s [2021-11-19 14:55:13,363 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88_config_s [2021-11-19 14:55:13,363 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-19 14:55:13,363 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-19 14:55:13,363 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-11-19 14:55:13,363 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-11-19 14:55:13,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 14:55:13,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 14:55:13,364 INFO L130 BoogieDeclarations]: Found specification of procedure config_bb_with_header [2021-11-19 14:55:13,364 INFO L138 BoogieDeclarations]: Found implementation of procedure config_bb_with_header [2021-11-19 14:55:13,364 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-19 14:55:13,364 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-19 14:55:13,365 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2021-11-19 14:55:13,365 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2021-11-19 14:55:13,365 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_media_status [2021-11-19 14:55:13,365 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_media_status [2021-11-19 14:55:13,365 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_fwlps_leave [2021-11-19 14:55:13,365 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_fwlps_leave [2021-11-19 14:55:13,366 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-19 14:55:13,366 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-19 14:55:13,366 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-19 14:55:13,366 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-19 14:55:13,366 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_tx_fill_cmddesc [2021-11-19 14:55:13,366 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_tx_fill_cmddesc [2021-11-19 14:55:13,367 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_disconnect [2021-11-19 14:55:13,367 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_disconnect [2021-11-19 14:55:13,367 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_sw_chnl_cmdarray [2021-11-19 14:55:13,367 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_sw_chnl_cmdarray [2021-11-19 14:55:13,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 14:55:13,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 14:55:13,368 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_clock_on [2021-11-19 14:55:13,368 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_clock_on [2021-11-19 14:55:13,368 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-11-19 14:55:13,368 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-11-19 14:55:15,922 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:55:15,931 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:55:20,724 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 15:03:30,351 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 15:03:31,614 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 15:03:31,668 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 15:03:31,668 INFO L301 CfgBuilder]: Removed 18 assume(true) statements. [2021-11-19 15:03:31,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:31 BoogieIcfgContainer [2021-11-19 15:03:31,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 15:03:31,685 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 15:03:31,686 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 15:03:31,689 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 15:03:31,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:54:56" (1/3) ... [2021-11-19 15:03:31,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454089b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:03:31, skipping insertion in model container [2021-11-19 15:03:31,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:10" (2/3) ... [2021-11-19 15:03:31,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454089b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:03:31, skipping insertion in model container [2021-11-19 15:03:31,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:31" (3/3) ... [2021-11-19 15:03:31,706 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2021-11-19 15:03:31,720 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 15:03:31,720 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 15:03:31,819 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 15:03:31,828 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 [2021-11-19 15:03:31,828 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 15:03:32,008 INFO L276 IsEmpty]: Start isEmpty. Operand has 7560 states, 5201 states have (on average 1.3737742741780428) internal successors, (7145), 5364 states have internal predecessors, (7145), 2204 states have call successors, (2204), 163 states have call predecessors, (2204), 162 states have return successors, (2194), 2125 states have call predecessors, (2194), 2194 states have call successors, (2194) [2021-11-19 15:03:32,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-11-19 15:03:32,039 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:03:32,040 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:03:32,041 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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:03:32,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:03:32,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1121845673, now seen corresponding path program 1 times [2021-11-19 15:03:32,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:03:32,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [941903228] [2021-11-19 15:03:32,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:03:32,093 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:03:32,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:03:32,098 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:03:32,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 15:03:50,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:03:51,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 9900 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:03:51,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:03:53,080 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 3159 trivial. 0 not checked. [2021-11-19 15:03:53,080 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:03:54,313 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2021-11-19 15:03:54,314 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:03:54,314 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [941903228] [2021-11-19 15:03:54,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [941903228] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:03:54,315 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:03:54,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 15:03:54,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190166857] [2021-11-19 15:03:54,318 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:03:54,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 15:03:54,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:03:54,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 15:03:54,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:03:54,373 INFO L87 Difference]: Start difference. First operand has 7560 states, 5201 states have (on average 1.3737742741780428) internal successors, (7145), 5364 states have internal predecessors, (7145), 2204 states have call successors, (2204), 163 states have call predecessors, (2204), 162 states have return successors, (2194), 2125 states have call predecessors, (2194), 2194 states have call successors, (2194) Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 4 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-11-19 15:03:57,867 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.47s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:04:35,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:04:35,819 INFO L93 Difference]: Finished difference Result 19785 states and 30754 transitions. [2021-11-19 15:04:35,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:04:35,823 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 4 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 327 [2021-11-19 15:04:35,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:04:36,003 INFO L225 Difference]: With dead ends: 19785 [2021-11-19 15:04:36,003 INFO L226 Difference]: Without dead ends: 13008 [2021-11-19 15:04:36,097 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 652 GetRequests, 650 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:04:36,102 INFO L933 BasicCegarLoop]: 9930 mSDtfsCounter, 14606 mSDsluCounter, 13736 mSDsCounter, 0 mSdLazyCounter, 2613 mSolverCounterSat, 25 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14606 SdHoareTripleChecker+Valid, 23666 SdHoareTripleChecker+Invalid, 2639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 2613 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.3s IncrementalHoareTripleChecker+Time [2021-11-19 15:04:36,103 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14606 Valid, 23666 Invalid, 2639 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [25 Valid, 2613 Invalid, 1 Unknown, 0 Unchecked, 40.3s Time] [2021-11-19 15:04:36,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13008 states. [2021-11-19 15:04:37,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13008 to 12999. [2021-11-19 15:04:37,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12999 states, 9341 states have (on average 1.3445027299004388) internal successors, (12559), 9533 states have internal predecessors, (12559), 3298 states have call successors, (3298), 360 states have call predecessors, (3298), 359 states have return successors, (3294), 3201 states have call predecessors, (3294), 3294 states have call successors, (3294) [2021-11-19 15:04:37,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12999 states to 12999 states and 19151 transitions. [2021-11-19 15:04:37,706 INFO L78 Accepts]: Start accepts. Automaton has 12999 states and 19151 transitions. Word has length 327 [2021-11-19 15:04:37,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:04:37,714 INFO L470 AbstractCegarLoop]: Abstraction has 12999 states and 19151 transitions. [2021-11-19 15:04:37,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 4 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-11-19 15:04:37,715 INFO L276 IsEmpty]: Start isEmpty. Operand 12999 states and 19151 transitions. [2021-11-19 15:04:37,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2021-11-19 15:04:37,757 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:04:37,757 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 27, 27, 27, 27, 27, 27, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:04:37,982 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forcibly destroying the process [2021-11-19 15:04:38,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 137 [2021-11-19 15:04:38,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:04:38,094 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:04:38,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:04:38,095 INFO L85 PathProgramCache]: Analyzing trace with hash -893373528, now seen corresponding path program 1 times [2021-11-19 15:04:38,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:04:38,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [240994337] [2021-11-19 15:04:38,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:04:38,114 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:04:38,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:04:38,115 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:04:38,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 15:04:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:04:56,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 10027 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:04:56,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:05:05,843 INFO L134 CoverageAnalysis]: Checked inductivity of 3537 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3537 trivial. 0 not checked. [2021-11-19 15:05:05,843 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:05:09,346 INFO L134 CoverageAnalysis]: Checked inductivity of 3537 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3537 trivial. 0 not checked. [2021-11-19 15:05:09,347 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:05:09,347 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [240994337] [2021-11-19 15:05:09,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [240994337] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:05:09,347 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:05:09,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-19 15:05:09,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896815551] [2021-11-19 15:05:09,348 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:05:09,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 15:05:09,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:05:09,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 15:05:09,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 15:05:09,352 INFO L87 Difference]: Start difference. First operand 12999 states and 19151 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (75), 4 states have call predecessors, (75), 2 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2021-11-19 15:05:10,743 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:05:11,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:05:11,943 INFO L93 Difference]: Finished difference Result 13005 states and 19156 transitions. [2021-11-19 15:05:11,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 15:05:11,944 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (75), 4 states have call predecessors, (75), 2 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) Word has length 385 [2021-11-19 15:05:11,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:05:12,072 INFO L225 Difference]: With dead ends: 13005 [2021-11-19 15:05:12,072 INFO L226 Difference]: Without dead ends: 13003 [2021-11-19 15:05:12,082 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 771 GetRequests, 763 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-19 15:05:12,085 INFO L933 BasicCegarLoop]: 6505 mSDtfsCounter, 6376 mSDsluCounter, 13007 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6378 SdHoareTripleChecker+Valid, 19512 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-19 15:05:12,086 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6378 Valid, 19512 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-19 15:05:12,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13003 states. [2021-11-19 15:05:13,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13003 to 13003. [2021-11-19 15:05:13,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13003 states, 9344 states have (on average 1.3443921232876712) internal successors, (12562), 9536 states have internal predecessors, (12562), 3298 states have call successors, (3298), 361 states have call predecessors, (3298), 360 states have return successors, (3294), 3201 states have call predecessors, (3294), 3294 states have call successors, (3294) [2021-11-19 15:05:13,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13003 states to 13003 states and 19154 transitions. [2021-11-19 15:05:13,574 INFO L78 Accepts]: Start accepts. Automaton has 13003 states and 19154 transitions. Word has length 385 [2021-11-19 15:05:13,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:05:13,576 INFO L470 AbstractCegarLoop]: Abstraction has 13003 states and 19154 transitions. [2021-11-19 15:05:13,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (75), 4 states have call predecessors, (75), 2 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2021-11-19 15:05:13,577 INFO L276 IsEmpty]: Start isEmpty. Operand 13003 states and 19154 transitions. [2021-11-19 15:05:13,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2021-11-19 15:05:13,606 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:05:13,607 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 27, 27, 27, 27, 27, 27, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:05:13,822 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forcibly destroying the process [2021-11-19 15:05:13,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 137 [2021-11-19 15:05:13,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:05:13,934 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:05:13,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:05:13,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1848652294, now seen corresponding path program 1 times [2021-11-19 15:05:13,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:05:13,948 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1726135573] [2021-11-19 15:05:13,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:05:13,948 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:05:13,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:05:13,949 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:05:13,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 15:05:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:05:32,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 10034 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:05:32,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:05:42,162 INFO L134 CoverageAnalysis]: Checked inductivity of 3539 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3537 trivial. 0 not checked. [2021-11-19 15:05:42,162 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:05:45,856 INFO L134 CoverageAnalysis]: Checked inductivity of 3539 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3537 trivial. 0 not checked. [2021-11-19 15:05:45,856 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:05:45,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1726135573] [2021-11-19 15:05:45,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1726135573] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 15:05:45,856 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 15:05:45,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2021-11-19 15:05:45,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307629904] [2021-11-19 15:05:45,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 15:05:45,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:05:45,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:05:45,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:05:45,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 15:05:45,859 INFO L87 Difference]: Start difference. First operand 13003 states and 19154 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-11-19 15:05:47,291 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:05:48,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:05:48,511 INFO L93 Difference]: Finished difference Result 13009 states and 19159 transitions. [2021-11-19 15:05:48,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 15:05:48,512 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 390 [2021-11-19 15:05:48,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:05:48,592 INFO L225 Difference]: With dead ends: 13009 [2021-11-19 15:05:48,592 INFO L226 Difference]: Without dead ends: 13005 [2021-11-19 15:05:48,603 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 781 GetRequests, 773 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 15:05:48,606 INFO L933 BasicCegarLoop]: 6508 mSDtfsCounter, 6416 mSDsluCounter, 13006 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6417 SdHoareTripleChecker+Valid, 19514 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 15:05:48,608 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6417 Valid, 19514 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 15:05:48,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13005 states. [2021-11-19 15:05:49,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13005 to 13005. [2021-11-19 15:05:49,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13005 states, 9346 states have (on average 1.3442114273485983) internal successors, (12563), 9537 states have internal predecessors, (12563), 3298 states have call successors, (3298), 362 states have call predecessors, (3298), 360 states have return successors, (3294), 3201 states have call predecessors, (3294), 3294 states have call successors, (3294) [2021-11-19 15:05:49,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13005 states to 13005 states and 19155 transitions. [2021-11-19 15:05:49,877 INFO L78 Accepts]: Start accepts. Automaton has 13005 states and 19155 transitions. Word has length 390 [2021-11-19 15:05:49,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:05:49,881 INFO L470 AbstractCegarLoop]: Abstraction has 13005 states and 19155 transitions. [2021-11-19 15:05:49,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-11-19 15:05:49,882 INFO L276 IsEmpty]: Start isEmpty. Operand 13005 states and 19155 transitions. [2021-11-19 15:05:49,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2021-11-19 15:05:49,917 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:05:49,918 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 27, 27, 27, 27, 27, 27, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:05:50,142 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forcibly destroying the process [2021-11-19 15:05:50,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 15:05:50,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:05:50,230 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:05:50,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:05:50,231 INFO L85 PathProgramCache]: Analyzing trace with hash 241696247, now seen corresponding path program 1 times [2021-11-19 15:05:50,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:05:50,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [309278079] [2021-11-19 15:05:50,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:05:50,245 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:05:50,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:05:50,245 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:05:50,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 15:06:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:06:09,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 10086 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:06:09,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:06:10,295 INFO L134 CoverageAnalysis]: Checked inductivity of 3554 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 3435 trivial. 0 not checked. [2021-11-19 15:06:10,295 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:06:11,254 INFO L134 CoverageAnalysis]: Checked inductivity of 3554 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3545 trivial. 0 not checked. [2021-11-19 15:06:11,255 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:06:11,255 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [309278079] [2021-11-19 15:06:11,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [309278079] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:06:11,255 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:06:11,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 15:06:11,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399211968] [2021-11-19 15:06:11,256 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:06:11,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 15:06:11,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:06:11,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 15:06:11,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:06:11,258 INFO L87 Difference]: Start difference. First operand 13005 states and 19155 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 4 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) [2021-11-19 15:06:14,703 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:06:46,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:06:46,467 INFO L93 Difference]: Finished difference Result 30270 states and 44577 transitions. [2021-11-19 15:06:46,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:06:46,468 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 4 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) Word has length 404 [2021-11-19 15:06:46,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:06:46,621 INFO L225 Difference]: With dead ends: 30270 [2021-11-19 15:06:46,621 INFO L226 Difference]: Without dead ends: 21601 [2021-11-19 15:06:46,686 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 806 GetRequests, 804 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:06:46,689 INFO L933 BasicCegarLoop]: 13885 mSDtfsCounter, 12795 mSDsluCounter, 11641 mSDsCounter, 0 mSdLazyCounter, 2305 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12795 SdHoareTripleChecker+Valid, 25526 SdHoareTripleChecker+Invalid, 2322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 2305 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.2s IncrementalHoareTripleChecker+Time [2021-11-19 15:06:46,691 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12795 Valid, 25526 Invalid, 2322 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 2305 Invalid, 1 Unknown, 0 Unchecked, 34.2s Time] [2021-11-19 15:06:46,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21601 states. [2021-11-19 15:06:48,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21601 to 21586. [2021-11-19 15:06:48,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21586 states, 15523 states have (on average 1.3445210333054178) internal successors, (20871), 15840 states have internal predecessors, (20871), 5463 states have call successors, (5463), 601 states have call predecessors, (5463), 599 states have return successors, (5459), 5304 states have call predecessors, (5459), 5459 states have call successors, (5459) [2021-11-19 15:06:48,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21586 states to 21586 states and 31793 transitions. [2021-11-19 15:06:48,978 INFO L78 Accepts]: Start accepts. Automaton has 21586 states and 31793 transitions. Word has length 404 [2021-11-19 15:06:48,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:06:48,979 INFO L470 AbstractCegarLoop]: Abstraction has 21586 states and 31793 transitions. [2021-11-19 15:06:48,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 4 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) [2021-11-19 15:06:48,980 INFO L276 IsEmpty]: Start isEmpty. Operand 21586 states and 31793 transitions. [2021-11-19 15:06:49,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2021-11-19 15:06:49,011 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:06:49,012 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 27, 27, 27, 27, 27, 27, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:06:49,225 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forcibly destroying the process [2021-11-19 15:06:49,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 137 [2021-11-19 15:06:49,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:06:49,326 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:06:49,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:06:49,327 INFO L85 PathProgramCache]: Analyzing trace with hash 846917288, now seen corresponding path program 1 times [2021-11-19 15:06:49,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:06:49,342 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [779994145] [2021-11-19 15:06:49,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:06:49,343 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:06:49,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:06:49,344 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:06:49,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 15:07:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:07:08,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 10041 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:07:08,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:07:17,804 INFO L134 CoverageAnalysis]: Checked inductivity of 3545 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3541 trivial. 0 not checked. [2021-11-19 15:07:17,804 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:07:21,263 INFO L134 CoverageAnalysis]: Checked inductivity of 3545 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3541 trivial. 0 not checked. [2021-11-19 15:07:21,264 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:07:21,264 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [779994145] [2021-11-19 15:07:21,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [779994145] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 15:07:21,264 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 15:07:21,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2021-11-19 15:07:21,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124778623] [2021-11-19 15:07:21,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 15:07:21,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:07:21,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:07:21,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:07:21,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 15:07:21,267 INFO L87 Difference]: Start difference. First operand 21586 states and 31793 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-19 15:07:22,685 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:07:23,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:07:23,812 INFO L93 Difference]: Finished difference Result 21586 states and 31793 transitions. [2021-11-19 15:07:23,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 15:07:23,812 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 395 [2021-11-19 15:07:23,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:07:23,818 INFO L225 Difference]: With dead ends: 21586 [2021-11-19 15:07:23,818 INFO L226 Difference]: Without dead ends: 0 [2021-11-19 15:07:23,883 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 791 GetRequests, 783 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 15:07:23,883 INFO L933 BasicCegarLoop]: 6506 mSDtfsCounter, 6412 mSDsluCounter, 13005 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6412 SdHoareTripleChecker+Valid, 19511 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-19 15:07:23,884 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6412 Valid, 19511 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-19 15:07:23,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-19 15:07:23,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-19 15:07:23,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 15:07:23,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-19 15:07:23,891 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 395 [2021-11-19 15:07:23,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:07:23,891 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 15:07:23,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-19 15:07:23,892 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-19 15:07:23,892 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-19 15:07:23,894 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 15:07:24,110 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forcibly destroying the process [2021-11-19 15:07:24,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 15:07:24,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b765e655-59fb-4276-b043-2499eaa2d577/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:07:24,156 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.