./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-spinlock_drivers-net-wireless-ipw2x00-ipw2100.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_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/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_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/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_915c08cf-79ca-4ca7-999e-f06aa6ad724c/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 c0c438f99a824e3d15e4313dc5ea51e50cfc55cdb2cc6e49c87ebde175ff530e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:30:41,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:30:41,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:30:41,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:30:41,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:30:41,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:30:41,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:30:41,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:30:41,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:30:41,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:30:41,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:30:41,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:30:41,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:30:41,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:30:41,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:30:41,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:30:41,482 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:30:41,483 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:30:41,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:30:41,495 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:30:41,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:30:41,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:30:41,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:30:41,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:30:41,512 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:30:41,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:30:41,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:30:41,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:30:41,515 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:30:41,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:30:41,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:30:41,518 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:30:41,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:30:41,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:30:41,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:30:41,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:30:41,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:30:41,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:30:41,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:30:41,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:30:41,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:30:41,526 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 13:30:41,573 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:30:41,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:30:41,574 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:30:41,574 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:30:41,575 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:30:41,575 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:30:41,575 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:30:41,575 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:30:41,575 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:30:41,576 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:30:41,577 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:30:41,577 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:30:41,577 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:30:41,577 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:30:41,578 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:30:41,578 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:30:41,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:30:41,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:30:41,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:30:41,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:30:41,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:30:41,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:30:41,580 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:30:41,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:30:41,580 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:30:41,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:30:41,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:30:41,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:30:41,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:30:41,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:30:41,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:30:41,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:30:41,583 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:30:41,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:30:41,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:30:41,584 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:30:41,584 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:30:41,584 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_915c08cf-79ca-4ca7-999e-f06aa6ad724c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0c438f99a824e3d15e4313dc5ea51e50cfc55cdb2cc6e49c87ebde175ff530e [2021-11-19 13:30:41,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:30:41,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:30:41,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:30:41,948 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:30:41,949 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:30:41,950 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-11-19 13:30:42,014 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/data/75597db90/f3ca3320917245d4bc6f64869680d677/FLAG90d085d3e [2021-11-19 13:30:43,311 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:30:43,313 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-11-19 13:30:43,412 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/data/75597db90/f3ca3320917245d4bc6f64869680d677/FLAG90d085d3e [2021-11-19 13:30:43,908 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/data/75597db90/f3ca3320917245d4bc6f64869680d677 [2021-11-19 13:30:43,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:30:43,912 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:30:43,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:30:43,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:30:43,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:30:43,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:30:43" (1/1) ... [2021-11-19 13:30:43,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@701d1fb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:30:43, skipping insertion in model container [2021-11-19 13:30:43,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:30:43" (1/1) ... [2021-11-19 13:30:43,930 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:30:44,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:30:47,970 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 13:30:48,360 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 13:30:48,435 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 13:30:48,611 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 13:30:48,640 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 13:30:48,646 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 13:30:48,704 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 13:30:48,750 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 13:30:49,508 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 13:30:49,594 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 13:30:49,678 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 13:30:49,690 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 13:30:50,296 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 13:30:52,429 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_915c08cf-79ca-4ca7-999e-f06aa6ad724c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[789335,789348] [2021-11-19 13:30:52,432 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_915c08cf-79ca-4ca7-999e-f06aa6ad724c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[789504,789517] [2021-11-19 13:30:52,433 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_915c08cf-79ca-4ca7-999e-f06aa6ad724c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[789671,789684] [2021-11-19 13:30:52,433 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_915c08cf-79ca-4ca7-999e-f06aa6ad724c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[789839,789852] [2021-11-19 13:30:52,472 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:30:52,567 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 13:30:52,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@75a345f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:30:52, skipping insertion in model container [2021-11-19 13:30:52,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:30:52,568 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 13:30:52,570 INFO L158 Benchmark]: Toolchain (without parser) took 8656.93ms. Allocated memory was 100.7MB in the beginning and 176.2MB in the end (delta: 75.5MB). Free memory was 48.9MB in the beginning and 83.3MB in the end (delta: -34.5MB). Peak memory consumption was 88.0MB. Max. memory is 16.1GB. [2021-11-19 13:30:52,571 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 81.8MB. Free memory was 61.5MB in the beginning and 61.4MB in the end (delta: 39.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:30:52,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 8652.32ms. Allocated memory was 100.7MB in the beginning and 176.2MB in the end (delta: 75.5MB). Free memory was 48.6MB in the beginning and 83.3MB in the end (delta: -34.7MB). Peak memory consumption was 88.0MB. Max. memory is 16.1GB. [2021-11-19 13:30:52,574 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 81.8MB. Free memory was 61.5MB in the beginning and 61.4MB in the end (delta: 39.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 8652.32ms. Allocated memory was 100.7MB in the beginning and 176.2MB in the end (delta: 75.5MB). Free memory was 48.6MB in the beginning and 83.3MB in the end (delta: -34.7MB). Peak memory consumption was 88.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8267]: 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_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/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_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/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_915c08cf-79ca-4ca7-999e-f06aa6ad724c/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 c0c438f99a824e3d15e4313dc5ea51e50cfc55cdb2cc6e49c87ebde175ff530e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:30:54,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:30:54,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:30:54,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:30:54,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:30:54,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:30:54,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:30:54,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:30:54,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:30:54,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:30:54,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:30:54,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:30:54,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:30:54,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:30:54,779 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:30:54,783 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:30:54,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:30:54,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:30:54,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:30:54,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:30:54,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:30:54,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:30:54,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:30:54,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:30:54,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:30:54,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:30:54,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:30:54,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:30:54,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:30:54,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:30:54,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:30:54,819 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:30:54,821 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:30:54,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:30:54,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:30:54,824 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:30:54,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:30:54,825 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:30:54,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:30:54,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:30:54,827 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:30:54,828 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 13:30:54,871 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:30:54,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:30:54,873 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:30:54,873 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:30:54,873 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:30:54,874 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:30:54,874 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:30:54,874 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:30:54,874 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:30:54,875 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:30:54,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:30:54,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:30:54,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:30:54,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:30:54,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:30:54,878 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:30:54,878 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 13:30:54,878 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 13:30:54,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:30:54,879 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:30:54,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:30:54,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:30:54,880 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 13:30:54,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:30:54,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:30:54,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:30:54,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:30:54,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:30:54,881 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 13:30:54,881 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 13:30:54,882 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:30:54,882 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:30:54,882 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:30:54,882 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_915c08cf-79ca-4ca7-999e-f06aa6ad724c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0c438f99a824e3d15e4313dc5ea51e50cfc55cdb2cc6e49c87ebde175ff530e [2021-11-19 13:30:55,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:30:55,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:30:55,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:30:55,331 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:30:55,331 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:30:55,333 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-11-19 13:30:55,397 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/data/c7a73454b/fd6e18f7ee6a425590549e47d98fed32/FLAGe095de0bd [2021-11-19 13:30:56,732 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:30:56,733 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-11-19 13:30:56,832 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/data/c7a73454b/fd6e18f7ee6a425590549e47d98fed32/FLAGe095de0bd [2021-11-19 13:30:57,311 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/data/c7a73454b/fd6e18f7ee6a425590549e47d98fed32 [2021-11-19 13:30:57,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:30:57,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:30:57,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:30:57,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:30:57,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:30:57,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:30:57" (1/1) ... [2021-11-19 13:30:57,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@555472b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:30:57, skipping insertion in model container [2021-11-19 13:30:57,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:30:57" (1/1) ... [2021-11-19 13:30:57,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:30:57,665 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:31:06,236 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_915c08cf-79ca-4ca7-999e-f06aa6ad724c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[789335,789348] [2021-11-19 13:31:06,238 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_915c08cf-79ca-4ca7-999e-f06aa6ad724c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[789504,789517] [2021-11-19 13:31:06,239 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_915c08cf-79ca-4ca7-999e-f06aa6ad724c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[789671,789684] [2021-11-19 13:31:06,240 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_915c08cf-79ca-4ca7-999e-f06aa6ad724c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[789839,789852] [2021-11-19 13:31:06,305 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:31:06,373 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 13:31:06,512 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:31:07,358 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_915c08cf-79ca-4ca7-999e-f06aa6ad724c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[789335,789348] [2021-11-19 13:31:07,358 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_915c08cf-79ca-4ca7-999e-f06aa6ad724c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[789504,789517] [2021-11-19 13:31:07,359 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_915c08cf-79ca-4ca7-999e-f06aa6ad724c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[789671,789684] [2021-11-19 13:31:07,359 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_915c08cf-79ca-4ca7-999e-f06aa6ad724c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[789839,789852] [2021-11-19 13:31:07,372 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:31:07,424 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:31:08,610 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_915c08cf-79ca-4ca7-999e-f06aa6ad724c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[789335,789348] [2021-11-19 13:31:08,610 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_915c08cf-79ca-4ca7-999e-f06aa6ad724c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[789504,789517] [2021-11-19 13:31:08,612 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_915c08cf-79ca-4ca7-999e-f06aa6ad724c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[789671,789684] [2021-11-19 13:31:08,616 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_915c08cf-79ca-4ca7-999e-f06aa6ad724c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[789839,789852] [2021-11-19 13:31:08,628 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:31:09,193 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:31:09,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:31:09 WrapperNode [2021-11-19 13:31:09,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:31:09,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:31:09,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:31:09,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:31:09,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:31:09" (1/1) ... [2021-11-19 13:31:09,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:31:09" (1/1) ... [2021-11-19 13:31:09,766 INFO L137 Inliner]: procedures = 755, calls = 11729, calls flagged for inlining = 337, calls inlined = 255, statements flattened = 12728 [2021-11-19 13:31:09,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:31:09,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:31:09,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:31:09,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:31:09,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:31:09" (1/1) ... [2021-11-19 13:31:09,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:31:09" (1/1) ... [2021-11-19 13:31:09,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:31:09" (1/1) ... [2021-11-19 13:31:09,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:31:09" (1/1) ... [2021-11-19 13:31:10,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:31:09" (1/1) ... [2021-11-19 13:31:10,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:31:09" (1/1) ... [2021-11-19 13:31:10,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:31:09" (1/1) ... [2021-11-19 13:31:10,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:31:10,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:31:10,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:31:10,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:31:10,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:31:09" (1/1) ... [2021-11-19 13:31:10,434 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:31:10,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:31:10,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:31:10,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:31:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-19 13:31:10,506 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-19 13:31:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 13:31:10,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 13:31:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure read_register [2021-11-19 13:31:10,506 INFO L138 BoogieDeclarations]: Found implementation of procedure read_register [2021-11-19 13:31:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_send_data [2021-11-19 13:31:10,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_send_data [2021-11-19 13:31:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure write_register_byte [2021-11-19 13:31:10,507 INFO L138 BoogieDeclarations]: Found implementation of procedure write_register_byte [2021-11-19 13:31:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 13:31:10,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 13:31:10,508 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-19 13:31:10,508 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-19 13:31:10,508 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2021-11-19 13:31:10,508 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2021-11-19 13:31:10,508 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_release_firmware [2021-11-19 13:31:10,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_release_firmware [2021-11-19 13:31:10,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_78 [2021-11-19 13:31:10,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_78 [2021-11-19 13:31:10,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 13:31:10,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 13:31:10,510 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_configure_security [2021-11-19 13:31:10,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_configure_security [2021-11-19 13:31:10,510 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 13:31:10,510 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 13:31:10,510 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-19 13:31:10,510 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-19 13:31:10,511 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_reset_adapter [2021-11-19 13:31:10,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_reset_adapter [2021-11-19 13:31:10,511 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_security_information [2021-11-19 13:31:10,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_security_information [2021-11-19 13:31:10,511 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-19 13:31:10,512 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-19 13:31:10,512 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-19 13:31:10,512 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-19 13:31:10,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 13:31:10,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 13:31:10,512 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-19 13:31:10,513 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-19 13:31:10,513 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-19 13:31:10,513 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-19 13:31:10,513 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_mandatory_bssid [2021-11-19 13:31:10,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_mandatory_bssid [2021-11-19 13:31:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 13:31:10,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 13:31:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_rfkill_set_hw_state [2021-11-19 13:31:10,514 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_rfkill_set_hw_state [2021-11-19 13:31:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_unregister [2021-11-19 13:31:10,514 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_unregister [2021-11-19 13:31:10,515 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_disable_adapter [2021-11-19 13:31:10,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_disable_adapter [2021-11-19 13:31:10,515 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-19 13:31:10,515 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-19 13:31:10,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:31:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 13:31:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 13:31:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 13:31:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 13:31:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_send_command [2021-11-19 13:31:10,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_send_command [2021-11-19 13:31:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-19 13:31:10,517 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-19 13:31:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_word [2021-11-19 13:31:10,517 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_word [2021-11-19 13:31:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-19 13:31:10,517 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-19 13:31:10,518 INFO L130 BoogieDeclarations]: Found specification of procedure isr_scan_complete [2021-11-19 13:31:10,518 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_scan_complete [2021-11-19 13:31:10,518 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_power_mode [2021-11-19 13:31:10,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_power_mode [2021-11-19 13:31:10,518 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 13:31:10,518 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 13:31:10,519 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_byte [2021-11-19 13:31:10,519 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_byte [2021-11-19 13:31:10,519 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2021-11-19 13:31:10,519 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2021-11-19 13:31:10,519 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 13:31:10,520 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 13:31:10,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-19 13:31:10,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-19 13:31:10,520 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_dword [2021-11-19 13:31:10,520 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_dword [2021-11-19 13:31:10,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 13:31:10,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 13:31:10,521 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_channel [2021-11-19 13:31:10,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_channel [2021-11-19 13:31:10,521 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-19 13:31:10,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-19 13:31:10,521 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_up [2021-11-19 13:31:10,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_up [2021-11-19 13:31:10,522 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_send_commands [2021-11-19 13:31:10,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_send_commands [2021-11-19 13:31:10,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 13:31:10,522 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 13:31:10,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-19 13:31:10,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-19 13:31:10,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 13:31:10,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 13:31:10,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 13:31:10,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 13:31:10,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ipw2100_exit_18_2 [2021-11-19 13:31:10,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ipw2100_exit_18_2 [2021-11-19 13:31:10,524 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-19 13:31:10,524 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-19 13:31:10,524 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-19 13:31:10,524 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-19 13:31:10,525 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_enable_adapter [2021-11-19 13:31:10,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_enable_adapter [2021-11-19 13:31:10,525 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-19 13:31:10,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-19 13:31:10,525 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_scan_options [2021-11-19 13:31:10,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_scan_options [2021-11-19 13:31:10,526 INFO L130 BoogieDeclarations]: Found specification of procedure libipw_txb_free [2021-11-19 13:31:10,526 INFO L138 BoogieDeclarations]: Found implementation of procedure libipw_txb_free [2021-11-19 13:31:10,526 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_reset_fatalerror [2021-11-19 13:31:10,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_reset_fatalerror [2021-11-19 13:31:10,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-19 13:31:10,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-19 13:31:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 13:31:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-19 13:31:10,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-19 13:31:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 13:31:10,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 13:31:10,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:31:10,528 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_tx_rates [2021-11-19 13:31:10,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_tx_rates [2021-11-19 13:31:10,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 13:31:10,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 13:31:10,528 INFO L130 BoogieDeclarations]: Found specification of procedure print_ssid [2021-11-19 13:31:10,529 INFO L138 BoogieDeclarations]: Found implementation of procedure print_ssid [2021-11-19 13:31:10,529 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 13:31:10,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 13:31:10,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 13:31:10,529 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-19 13:31:10,529 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-19 13:31:10,529 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 13:31:10,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 13:31:10,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 13:31:10,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 13:31:10,530 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_snapshot_free [2021-11-19 13:31:10,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_snapshot_free [2021-11-19 13:31:10,530 INFO L130 BoogieDeclarations]: Found specification of procedure snprint_line [2021-11-19 13:31:10,531 INFO L138 BoogieDeclarations]: Found implementation of procedure snprint_line [2021-11-19 13:31:10,531 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_reset [2021-11-19 13:31:10,531 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_reset [2021-11-19 13:31:10,531 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-19 13:31:10,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-19 13:31:10,531 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-19 13:31:10,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-19 13:31:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 13:31:10,532 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 13:31:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure sw_reset_and_clock [2021-11-19 13:31:10,532 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_reset_and_clock [2021-11-19 13:31:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_enable_interrupts [2021-11-19 13:31:10,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_enable_interrupts [2021-11-19 13:31:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-11-19 13:31:10,533 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-11-19 13:31:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_resume [2021-11-19 13:31:10,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_resume [2021-11-19 13:31:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 13:31:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2021-11-19 13:31:10,534 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2021-11-19 13:31:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:31:10,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:31:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2021-11-19 13:31:10,534 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2021-11-19 13:31:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_pci_remove_one [2021-11-19 13:31:10,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_pci_remove_one [2021-11-19 13:31:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_free [2021-11-19 13:31:10,535 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_free [2021-11-19 13:31:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 13:31:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-19 13:31:10,536 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-19 13:31:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 13:31:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 13:31:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 13:31:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 13:31:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 13:31:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 13:31:10,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 13:31:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_alloc_skb [2021-11-19 13:31:10,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_alloc_skb [2021-11-19 13:31:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-19 13:31:10,537 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-19 13:31:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_get_ordinal [2021-11-19 13:31:10,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_get_ordinal [2021-11-19 13:31:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_stop_adapter [2021-11-19 13:31:10,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_stop_adapter [2021-11-19 13:31:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 13:31:10,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 13:31:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure write_register [2021-11-19 13:31:10,539 INFO L138 BoogieDeclarations]: Found implementation of procedure write_register [2021-11-19 13:31:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_set_gpio [2021-11-19 13:31:10,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_set_gpio [2021-11-19 13:31:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-19 13:31:10,540 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-19 13:31:10,540 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_down [2021-11-19 13:31:10,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_down [2021-11-19 13:31:10,540 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_close [2021-11-19 13:31:10,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_close [2021-11-19 13:31:10,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_low_lock_of_ipw2100_priv [2021-11-19 13:31:10,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_low_lock_of_ipw2100_priv [2021-11-19 13:31:10,541 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_wait_for_card_state [2021-11-19 13:31:10,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_wait_for_card_state [2021-11-19 13:31:10,541 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_rf_kill [2021-11-19 13:31:10,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_rf_kill [2021-11-19 13:31:10,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-19 13:31:10,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-19 13:31:10,542 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-19 13:31:10,542 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-19 13:31:10,542 INFO L130 BoogieDeclarations]: Found specification of procedure read_register_byte [2021-11-19 13:31:10,542 INFO L138 BoogieDeclarations]: Found implementation of procedure read_register_byte [2021-11-19 13:31:10,542 INFO L130 BoogieDeclarations]: Found specification of procedure status_queue_free [2021-11-19 13:31:10,543 INFO L138 BoogieDeclarations]: Found implementation of procedure status_queue_free [2021-11-19 13:31:10,543 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-19 13:31:10,543 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-19 13:31:10,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 13:31:10,543 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 13:31:10,543 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-19 13:31:10,543 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-19 13:31:10,544 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_rx_free [2021-11-19 13:31:10,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_rx_free [2021-11-19 13:31:10,544 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-19 13:31:10,544 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-19 13:31:10,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-19 13:31:10,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-19 13:31:10,545 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-19 13:31:10,545 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-19 13:31:10,545 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-19 13:31:10,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-19 13:31:10,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:31:10,545 INFO L130 BoogieDeclarations]: Found specification of procedure mod_delayed_work [2021-11-19 13:31:10,546 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_delayed_work [2021-11-19 13:31:10,546 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 13:31:10,546 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 13:31:10,546 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_shutdown [2021-11-19 13:31:10,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_shutdown [2021-11-19 13:31:10,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 13:31:10,547 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_word [2021-11-19 13:31:10,547 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_word [2021-11-19 13:31:10,547 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_association_lost [2021-11-19 13:31:10,547 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_association_lost [2021-11-19 13:31:10,547 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_free [2021-11-19 13:31:10,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_free [2021-11-19 13:31:10,548 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_mac_address [2021-11-19 13:31:10,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_mac_address [2021-11-19 13:31:10,548 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_essid [2021-11-19 13:31:10,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_essid [2021-11-19 13:31:10,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 13:31:10,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 13:31:10,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 13:31:10,549 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-11-19 13:31:10,549 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-11-19 13:31:10,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 13:31:10,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 13:31:10,549 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_disable_interrupts [2021-11-19 13:31:10,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_disable_interrupts [2021-11-19 13:31:10,550 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-19 13:31:10,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-19 13:31:10,550 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-19 13:31:10,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-19 13:31:10,550 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_rts_threshold [2021-11-19 13:31:10,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_rts_threshold [2021-11-19 13:31:10,551 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_byte [2021-11-19 13:31:10,551 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_byte [2021-11-19 13:31:10,551 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-19 13:31:10,551 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-19 13:31:10,551 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 13:31:10,551 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 13:31:10,552 INFO L130 BoogieDeclarations]: Found specification of procedure free_libipw [2021-11-19 13:31:10,552 INFO L138 BoogieDeclarations]: Found implementation of procedure free_libipw [2021-11-19 13:31:10,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 13:31:10,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 13:31:10,552 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-19 13:31:10,552 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-19 13:31:10,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-19 13:31:10,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-19 13:31:10,553 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_msg_free [2021-11-19 13:31:10,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_msg_free [2021-11-19 13:31:10,553 INFO L130 BoogieDeclarations]: Found specification of procedure printk_buf [2021-11-19 13:31:10,553 INFO L138 BoogieDeclarations]: Found implementation of procedure printk_buf [2021-11-19 13:31:10,553 INFO L130 BoogieDeclarations]: Found specification of procedure ipw_ethtool_get_drvinfo [2021-11-19 13:31:10,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw_ethtool_get_drvinfo [2021-11-19 13:31:10,554 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-11-19 13:31:10,554 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-11-19 13:31:10,554 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_tx_power [2021-11-19 13:31:10,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_tx_power [2021-11-19 13:31:10,554 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-19 13:31:10,554 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-19 13:31:10,555 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-11-19 13:31:10,555 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-11-19 13:31:10,555 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-19 13:31:10,555 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-19 13:31:10,555 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2021-11-19 13:31:10,555 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2021-11-19 13:31:10,556 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_system_config [2021-11-19 13:31:10,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_system_config [2021-11-19 13:31:10,556 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_kill_works [2021-11-19 13:31:10,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_kill_works [2021-11-19 13:31:10,556 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2021-11-19 13:31:10,556 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2021-11-19 13:31:10,557 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 13:31:10,557 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 13:31:10,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 13:31:10,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 13:31:10,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 13:31:10,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 13:31:10,557 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_queues_free [2021-11-19 13:31:10,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_queues_free [2021-11-19 13:31:10,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 13:31:10,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 13:31:10,558 INFO L130 BoogieDeclarations]: Found specification of procedure rf_kill_active [2021-11-19 13:31:10,558 INFO L138 BoogieDeclarations]: Found implementation of procedure rf_kill_active [2021-11-19 13:31:10,558 INFO L130 BoogieDeclarations]: Found specification of procedure get_seconds [2021-11-19 13:31:10,559 INFO L138 BoogieDeclarations]: Found implementation of procedure get_seconds [2021-11-19 13:31:10,559 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_allocate [2021-11-19 13:31:10,559 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_allocate [2021-11-19 13:31:10,559 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-19 13:31:10,559 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-19 13:31:10,559 INFO L130 BoogieDeclarations]: Found specification of procedure libipw_priv [2021-11-19 13:31:10,560 INFO L138 BoogieDeclarations]: Found implementation of procedure libipw_priv [2021-11-19 13:31:10,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_91 [2021-11-19 13:31:10,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_91 [2021-11-19 13:31:10,560 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-19 13:31:10,560 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-19 13:31:10,560 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-19 13:31:10,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-19 13:31:10,561 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_timeout [2021-11-19 13:31:10,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_timeout [2021-11-19 13:31:10,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 13:31:10,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 13:31:10,561 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-19 13:31:10,561 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-19 13:31:10,562 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-19 13:31:10,562 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-19 13:31:10,562 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-19 13:31:10,562 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-19 13:31:10,562 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-19 13:31:10,562 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-19 13:31:10,562 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_open [2021-11-19 13:31:10,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_open [2021-11-19 13:31:10,563 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-19 13:31:10,563 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-19 13:31:10,563 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_queues_initialize [2021-11-19 13:31:10,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_queues_initialize [2021-11-19 13:31:10,563 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-19 13:31:10,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_low_lock_of_ipw2100_priv [2021-11-19 13:31:10,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_low_lock_of_ipw2100_priv [2021-11-19 13:31:10,564 INFO L130 BoogieDeclarations]: Found specification of procedure pm_qos_update_request [2021-11-19 13:31:10,564 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_qos_update_request [2021-11-19 13:31:10,564 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_associated [2021-11-19 13:31:10,564 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_associated [2021-11-19 13:31:10,564 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_scanning [2021-11-19 13:31:10,565 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_scanning [2021-11-19 13:31:10,565 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_dword [2021-11-19 13:31:10,565 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_dword [2021-11-19 13:31:10,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 13:31:10,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 13:31:10,565 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-19 13:31:10,566 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-19 13:31:10,566 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_initialize [2021-11-19 13:31:10,566 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_initialize [2021-11-19 13:31:10,566 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_start_scan [2021-11-19 13:31:10,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_start_scan [2021-11-19 13:31:10,566 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-11-19 13:31:10,567 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-11-19 13:31:11,832 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:31:11,837 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:31:12,195 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 13:38:28,741 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 13:38:29,138 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:38:29,268 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:38:29,273 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-19 13:38:29,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:38:29 BoogieIcfgContainer [2021-11-19 13:38:29,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:38:29,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:38:29,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:38:29,285 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:38:29,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:30:57" (1/3) ... [2021-11-19 13:38:29,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49be3eae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:38:29, skipping insertion in model container [2021-11-19 13:38:29,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:31:09" (2/3) ... [2021-11-19 13:38:29,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49be3eae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:38:29, skipping insertion in model container [2021-11-19 13:38:29,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:38:29" (3/3) ... [2021-11-19 13:38:29,293 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-11-19 13:38:29,300 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:38:29,301 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-19 13:38:29,398 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 13:38:29,405 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 13:38:29,406 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-19 13:38:29,511 INFO L276 IsEmpty]: Start isEmpty. Operand has 3733 states, 2671 states have (on average 1.3429427180831148) internal successors, (3587), 2688 states have internal predecessors, (3587), 893 states have call successors, (893), 167 states have call predecessors, (893), 166 states have return successors, (887), 885 states have call predecessors, (887), 887 states have call successors, (887) [2021-11-19 13:38:29,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-11-19 13:38:29,547 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:38:29,548 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:38:29,548 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 13:38:29,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:38:29,554 INFO L85 PathProgramCache]: Analyzing trace with hash 295657442, now seen corresponding path program 1 times [2021-11-19 13:38:29,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:38:29,593 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1162502493] [2021-11-19 13:38:29,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:38:29,595 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:38:29,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:38:29,598 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:38:29,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 13:38:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:38:44,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 8496 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:38:44,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:38:45,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2021-11-19 13:38:45,866 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:38:47,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-19 13:38:47,397 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:38:47,397 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1162502493] [2021-11-19 13:38:47,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1162502493] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:38:47,398 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:38:47,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:38:47,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675607266] [2021-11-19 13:38:47,401 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:38:47,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:38:47,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:38:47,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:38:47,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:38:47,445 INFO L87 Difference]: Start difference. First operand has 3733 states, 2671 states have (on average 1.3429427180831148) internal successors, (3587), 2688 states have internal predecessors, (3587), 893 states have call successors, (893), 167 states have call predecessors, (893), 166 states have return successors, (887), 885 states have call predecessors, (887), 887 states have call successors, (887) Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 4 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-19 13:38:49,037 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:38:51,047 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:40:02,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:40:02,658 INFO L93 Difference]: Finished difference Result 14645 states and 22407 transitions. [2021-11-19 13:40:02,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:40:02,661 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 4 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) Word has length 202 [2021-11-19 13:40:02,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:40:02,787 INFO L225 Difference]: With dead ends: 14645 [2021-11-19 13:40:02,787 INFO L226 Difference]: Without dead ends: 10924 [2021-11-19 13:40:02,860 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:40:02,863 INFO L933 BasicCegarLoop]: 7169 mSDtfsCounter, 13925 mSDsluCounter, 8736 mSDsCounter, 0 mSdLazyCounter, 1763 mSolverCounterSat, 1741 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 72.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13925 SdHoareTripleChecker+Valid, 15905 SdHoareTripleChecker+Invalid, 3505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1741 IncrementalHoareTripleChecker+Valid, 1763 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 74.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:40:02,864 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13925 Valid, 15905 Invalid, 3505 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1741 Valid, 1763 Invalid, 1 Unknown, 0 Unchecked, 74.2s Time] [2021-11-19 13:40:02,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10924 states. [2021-11-19 13:40:03,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10924 to 10864. [2021-11-19 13:40:03,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10864 states, 7823 states have (on average 1.3410456346670074) internal successors, (10491), 7882 states have internal predecessors, (10491), 2553 states have call successors, (2553), 490 states have call predecessors, (2553), 485 states have return successors, (2549), 2527 states have call predecessors, (2549), 2549 states have call successors, (2549) [2021-11-19 13:40:03,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10864 states to 10864 states and 15593 transitions. [2021-11-19 13:40:03,783 INFO L78 Accepts]: Start accepts. Automaton has 10864 states and 15593 transitions. Word has length 202 [2021-11-19 13:40:03,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:40:03,787 INFO L470 AbstractCegarLoop]: Abstraction has 10864 states and 15593 transitions. [2021-11-19 13:40:03,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 4 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-19 13:40:03,789 INFO L276 IsEmpty]: Start isEmpty. Operand 10864 states and 15593 transitions. [2021-11-19 13:40:03,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-19 13:40:03,800 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:40:03,801 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:40:04,002 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forcibly destroying the process [2021-11-19 13:40:04,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 13:40:04,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:40:04,023 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 13:40:04,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:40:04,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1766507690, now seen corresponding path program 1 times [2021-11-19 13:40:04,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:40:04,035 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [818394526] [2021-11-19 13:40:04,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:40:04,035 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:40:04,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:40:04,040 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:40:04,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 13:40:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:40:19,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 8473 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:40:19,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:40:21,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2021-11-19 13:40:21,424 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:40:23,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-19 13:40:23,439 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:40:23,440 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [818394526] [2021-11-19 13:40:23,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [818394526] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:40:23,440 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:40:23,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:40:23,440 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791124705] [2021-11-19 13:40:23,440 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:40:23,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:40:23,451 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:40:23,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:40:23,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:40:23,452 INFO L87 Difference]: Start difference. First operand 10864 states and 15593 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 4 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-19 13:40:26,669 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:41:34,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:41:34,745 INFO L93 Difference]: Finished difference Result 42772 states and 61468 transitions. [2021-11-19 13:41:34,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:41:34,748 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 4 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) Word has length 210 [2021-11-19 13:41:34,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:41:35,016 INFO L225 Difference]: With dead ends: 42772 [2021-11-19 13:41:35,016 INFO L226 Difference]: Without dead ends: 31945 [2021-11-19 13:41:35,092 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 418 GetRequests, 416 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:41:35,093 INFO L933 BasicCegarLoop]: 6996 mSDtfsCounter, 10337 mSDsluCounter, 9888 mSDsCounter, 0 mSdLazyCounter, 1796 mSolverCounterSat, 37 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10337 SdHoareTripleChecker+Valid, 16884 SdHoareTripleChecker+Invalid, 1834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1796 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:41:35,094 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10337 Valid, 16884 Invalid, 1834 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [37 Valid, 1796 Invalid, 1 Unknown, 0 Unchecked, 70.2s Time] [2021-11-19 13:41:35,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31945 states. [2021-11-19 13:41:36,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31945 to 31916. [2021-11-19 13:41:36,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31916 states, 23013 states have (on average 1.3447182027549647) internal successors, (30946), 23168 states have internal predecessors, (30946), 7453 states have call successors, (7453), 1460 states have call predecessors, (7453), 1447 states have return successors, (7449), 7395 states have call predecessors, (7449), 7449 states have call successors, (7449) [2021-11-19 13:41:37,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31916 states to 31916 states and 45848 transitions. [2021-11-19 13:41:37,094 INFO L78 Accepts]: Start accepts. Automaton has 31916 states and 45848 transitions. Word has length 210 [2021-11-19 13:41:37,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:41:37,096 INFO L470 AbstractCegarLoop]: Abstraction has 31916 states and 45848 transitions. [2021-11-19 13:41:37,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 4 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-19 13:41:37,097 INFO L276 IsEmpty]: Start isEmpty. Operand 31916 states and 45848 transitions. [2021-11-19 13:41:37,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-19 13:41:37,107 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:41:37,107 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:41:37,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 13:41:37,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:41:37,332 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 13:41:37,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:41:37,332 INFO L85 PathProgramCache]: Analyzing trace with hash 2123777357, now seen corresponding path program 1 times [2021-11-19 13:41:37,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:41:37,343 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2096605352] [2021-11-19 13:41:37,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:41:37,343 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:41:37,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:41:37,344 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:41:37,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 13:41:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:41:51,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 8524 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:41:51,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:41:54,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2021-11-19 13:41:54,158 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:41:56,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-19 13:41:56,059 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:41:56,059 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2096605352] [2021-11-19 13:41:56,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2096605352] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:41:56,059 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:41:56,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:41:56,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78416907] [2021-11-19 13:41:56,059 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:41:56,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:41:56,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:41:56,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:41:56,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:41:56,061 INFO L87 Difference]: Start difference. First operand 31916 states and 45848 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 4 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-19 13:41:57,165 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:41:59,174 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:43:08,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:43:08,895 INFO L93 Difference]: Finished difference Result 86818 states and 125028 transitions. [2021-11-19 13:43:08,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:43:08,896 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 4 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 221 [2021-11-19 13:43:08,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:43:09,184 INFO L225 Difference]: With dead ends: 86818 [2021-11-19 13:43:09,184 INFO L226 Difference]: Without dead ends: 54939 [2021-11-19 13:43:09,502 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 438 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:43:09,505 INFO L933 BasicCegarLoop]: 9675 mSDtfsCounter, 10354 mSDsluCounter, 7436 mSDsCounter, 0 mSdLazyCounter, 1844 mSolverCounterSat, 882 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10354 SdHoareTripleChecker+Valid, 17111 SdHoareTripleChecker+Invalid, 2727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 882 IncrementalHoareTripleChecker+Valid, 1844 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 71.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:43:09,506 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10354 Valid, 17111 Invalid, 2727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [882 Valid, 1844 Invalid, 1 Unknown, 0 Unchecked, 71.0s Time] [2021-11-19 13:43:09,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54939 states. [2021-11-19 13:43:11,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54939 to 54875. [2021-11-19 13:43:11,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54875 states, 40210 states have (on average 1.3590400397910967) internal successors, (54647), 40392 states have internal predecessors, (54647), 12193 states have call successors, (12193), 2484 states have call predecessors, (12193), 2469 states have return successors, (12189), 12121 states have call predecessors, (12189), 12189 states have call successors, (12189) [2021-11-19 13:43:12,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54875 states to 54875 states and 79029 transitions. [2021-11-19 13:43:12,758 INFO L78 Accepts]: Start accepts. Automaton has 54875 states and 79029 transitions. Word has length 221 [2021-11-19 13:43:12,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:43:12,759 INFO L470 AbstractCegarLoop]: Abstraction has 54875 states and 79029 transitions. [2021-11-19 13:43:12,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 4 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-19 13:43:12,759 INFO L276 IsEmpty]: Start isEmpty. Operand 54875 states and 79029 transitions. [2021-11-19 13:43:12,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-11-19 13:43:12,768 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:43:12,768 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 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] [2021-11-19 13:43:12,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 13:43:12,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:43:12,992 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 13:43:12,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:43:12,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1897367933, now seen corresponding path program 1 times [2021-11-19 13:43:13,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:43:13,005 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1309558298] [2021-11-19 13:43:13,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:43:13,006 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:43:13,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:43:13,007 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:43:13,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 13:43:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:43:29,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 8884 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:43:29,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:43:33,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1133 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2021-11-19 13:43:33,373 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:43:35,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1133 trivial. 0 not checked. [2021-11-19 13:43:35,911 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:43:35,911 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1309558298] [2021-11-19 13:43:35,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1309558298] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:43:35,912 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:43:35,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 13:43:35,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946933627] [2021-11-19 13:43:35,912 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:43:35,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 13:43:35,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:43:35,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 13:43:35,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:43:35,914 INFO L87 Difference]: Start difference. First operand 54875 states and 79029 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-11-19 13:43:39,154 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:43:43,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:43:43,055 INFO L93 Difference]: Finished difference Result 147236 states and 211918 transitions. [2021-11-19 13:43:43,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:43:43,055 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 256 [2021-11-19 13:43:43,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:43:43,803 INFO L225 Difference]: With dead ends: 147236 [2021-11-19 13:43:43,803 INFO L226 Difference]: Without dead ends: 92398 [2021-11-19 13:43:44,003 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 510 GetRequests, 509 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:43:44,005 INFO L933 BasicCegarLoop]: 6161 mSDtfsCounter, 5048 mSDsluCounter, 5239 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5048 SdHoareTripleChecker+Valid, 11400 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-11-19 13:43:44,007 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5048 Valid, 11400 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 36 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2021-11-19 13:43:44,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92398 states. [2021-11-19 13:43:47,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92398 to 92358. [2021-11-19 13:43:47,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92358 states, 67658 states have (on average 1.357888202429868) internal successors, (91872), 67999 states have internal predecessors, (91872), 20464 states have call successors, (20464), 4270 states have call predecessors, (20464), 4233 states have return successors, (20460), 20299 states have call predecessors, (20460), 20460 states have call successors, (20460) [2021-11-19 13:43:48,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92358 states to 92358 states and 132796 transitions. [2021-11-19 13:43:48,589 INFO L78 Accepts]: Start accepts. Automaton has 92358 states and 132796 transitions. Word has length 256 [2021-11-19 13:43:48,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:43:48,590 INFO L470 AbstractCegarLoop]: Abstraction has 92358 states and 132796 transitions. [2021-11-19 13:43:48,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-11-19 13:43:48,590 INFO L276 IsEmpty]: Start isEmpty. Operand 92358 states and 132796 transitions. [2021-11-19 13:43:48,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-11-19 13:43:48,601 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:43:48,601 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 2, 2, 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] [2021-11-19 13:43:48,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 13:43:48,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:43:48,816 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 13:43:48,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:43:48,816 INFO L85 PathProgramCache]: Analyzing trace with hash 55136590, now seen corresponding path program 1 times [2021-11-19 13:43:48,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:43:48,825 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1321794598] [2021-11-19 13:43:48,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:43:48,825 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:43:48,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:43:48,827 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:43:48,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915c08cf-79ca-4ca7-999e-f06aa6ad724c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process