./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-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_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/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_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/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_1574cc65-3376-4c75-8de5-26b7fb8c43fb/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 a726a5193e63c1219bd87d1639e8de22edb997e98056d7c45179f71e6a8d2119 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:14:47,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:14:47,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:14:47,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:14:47,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:14:47,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:14:47,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:14:47,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:14:47,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:14:47,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:14:47,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:14:47,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:14:47,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:14:47,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:14:47,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:14:47,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:14:47,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:14:47,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:14:47,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:14:47,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:14:47,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:14:47,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:14:47,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:14:47,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:14:47,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:14:47,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:14:47,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:14:47,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:14:47,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:14:47,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:14:47,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:14:47,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:14:47,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:14:47,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:14:47,635 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:14:47,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:14:47,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:14:47,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:14:47,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:14:47,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:14:47,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:14:47,640 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:14:47,687 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:14:47,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:14:47,689 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:14:47,689 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:14:47,690 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:14:47,690 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:14:47,690 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:14:47,690 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:14:47,690 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:14:47,691 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:14:47,692 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:14:47,692 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:14:47,692 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:14:47,692 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:14:47,693 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:14:47,693 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:14:47,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:14:47,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:14:47,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:14:47,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:14:47,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:14:47,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:14:47,695 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:14:47,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:14:47,695 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:14:47,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:14:47,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:14:47,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:14:47,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:14:47,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:14:47,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:14:47,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:14:47,699 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:14:47,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:14:47,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:14:47,699 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:14:47,699 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:14:47,700 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_1574cc65-3376-4c75-8de5-26b7fb8c43fb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a726a5193e63c1219bd87d1639e8de22edb997e98056d7c45179f71e6a8d2119 [2021-11-19 14:14:48,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:14:48,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:14:48,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:14:48,090 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:14:48,091 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:14:48,093 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-11-19 14:14:48,186 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/data/8564a9d3d/13c2c858fa714521a5cd35bc1a20b92b/FLAG4676b927c [2021-11-19 14:14:49,662 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:14:49,663 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-11-19 14:14:49,774 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/data/8564a9d3d/13c2c858fa714521a5cd35bc1a20b92b/FLAG4676b927c [2021-11-19 14:14:50,136 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/data/8564a9d3d/13c2c858fa714521a5cd35bc1a20b92b [2021-11-19 14:14:50,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:14:50,141 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:14:50,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:14:50,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:14:50,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:14:50,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:14:50" (1/1) ... [2021-11-19 14:14:50,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ad3fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:50, skipping insertion in model container [2021-11-19 14:14:50,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:14:50" (1/1) ... [2021-11-19 14:14:50,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:14:50,474 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:14:54,810 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:14:55,217 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:14:55,298 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:14:55,468 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:14:55,504 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:14:55,512 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:14:55,579 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:14:55,632 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:14:56,464 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:14:56,524 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:14:56,610 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:14:56,623 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:14:57,309 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:14:58,728 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_1574cc65-3376-4c75-8de5-26b7fb8c43fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[769201,769214] [2021-11-19 14:14:58,731 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_1574cc65-3376-4c75-8de5-26b7fb8c43fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[769367,769380] [2021-11-19 14:14:58,732 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_1574cc65-3376-4c75-8de5-26b7fb8c43fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[769531,769544] [2021-11-19 14:14:58,733 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_1574cc65-3376-4c75-8de5-26b7fb8c43fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[769696,769709] [2021-11-19 14:14:58,787 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:14:58,940 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 14:14:58,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2df2e872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:58, skipping insertion in model container [2021-11-19 14:14:58,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:14:58,941 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:14:58,944 INFO L158 Benchmark]: Toolchain (without parser) took 8801.20ms. Allocated memory was 134.2MB in the beginning and 232.8MB in the end (delta: 98.6MB). Free memory was 84.9MB in the beginning and 128.4MB in the end (delta: -43.4MB). Peak memory consumption was 111.9MB. Max. memory is 16.1GB. [2021-11-19 14:14:58,945 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 69.6MB in the end (delta: 39.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:14:58,946 INFO L158 Benchmark]: CACSL2BoogieTranslator took 8798.32ms. Allocated memory was 134.2MB in the beginning and 232.8MB in the end (delta: 98.6MB). Free memory was 84.2MB in the beginning and 128.4MB in the end (delta: -44.2MB). Peak memory consumption was 111.9MB. Max. memory is 16.1GB. [2021-11-19 14:14:58,948 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 69.6MB in the end (delta: 39.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 8798.32ms. Allocated memory was 134.2MB in the beginning and 232.8MB in the end (delta: 98.6MB). Free memory was 84.2MB in the beginning and 128.4MB in the end (delta: -44.2MB). Peak memory consumption was 111.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8300]: 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_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/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_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/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_1574cc65-3376-4c75-8de5-26b7fb8c43fb/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 a726a5193e63c1219bd87d1639e8de22edb997e98056d7c45179f71e6a8d2119 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:15:01,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:15:01,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:15:01,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:15:01,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:15:01,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:15:01,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:15:01,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:15:01,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:15:01,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:15:01,571 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:15:01,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:15:01,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:15:01,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:15:01,580 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:15:01,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:15:01,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:15:01,590 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:15:01,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:15:01,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:15:01,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:15:01,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:15:01,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:15:01,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:15:01,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:15:01,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:15:01,624 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:15:01,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:15:01,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:15:01,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:15:01,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:15:01,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:15:01,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:15:01,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:15:01,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:15:01,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:15:01,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:15:01,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:15:01,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:15:01,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:15:01,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:15:01,659 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:15:01,709 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:15:01,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:15:01,711 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:15:01,712 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:15:01,712 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:15:01,712 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:15:01,713 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:15:01,713 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:15:01,713 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:15:01,713 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:15:01,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:15:01,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:15:01,717 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:15:01,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:15:01,717 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:15:01,717 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:15:01,718 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:15:01,718 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:15:01,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:15:01,718 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:15:01,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:15:01,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:15:01,719 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:15:01,719 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:15:01,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:15:01,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:15:01,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:15:01,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:15:01,721 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:15:01,721 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:15:01,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:15:01,721 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:15:01,722 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:15:01,722 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_1574cc65-3376-4c75-8de5-26b7fb8c43fb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a726a5193e63c1219bd87d1639e8de22edb997e98056d7c45179f71e6a8d2119 [2021-11-19 14:15:02,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:15:02,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:15:02,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:15:02,183 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:15:02,184 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:15:02,185 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-11-19 14:15:02,262 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/data/1adf10e77/0b5b61e44ed64367b581826598bb52de/FLAGa13165895 [2021-11-19 14:15:03,668 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:15:03,670 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-11-19 14:15:03,790 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/data/1adf10e77/0b5b61e44ed64367b581826598bb52de/FLAGa13165895 [2021-11-19 14:15:04,241 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/data/1adf10e77/0b5b61e44ed64367b581826598bb52de [2021-11-19 14:15:04,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:15:04,245 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:15:04,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:15:04,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:15:04,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:15:04,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:15:04" (1/1) ... [2021-11-19 14:15:04,257 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7583b9f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:04, skipping insertion in model container [2021-11-19 14:15:04,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:15:04" (1/1) ... [2021-11-19 14:15:04,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:15:04,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:15:12,290 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_1574cc65-3376-4c75-8de5-26b7fb8c43fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[769201,769214] [2021-11-19 14:15:12,298 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_1574cc65-3376-4c75-8de5-26b7fb8c43fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[769367,769380] [2021-11-19 14:15:12,303 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_1574cc65-3376-4c75-8de5-26b7fb8c43fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[769531,769544] [2021-11-19 14:15:12,304 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_1574cc65-3376-4c75-8de5-26b7fb8c43fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[769696,769709] [2021-11-19 14:15:12,346 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:15:12,440 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:15:12,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:15:13,705 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_1574cc65-3376-4c75-8de5-26b7fb8c43fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[769201,769214] [2021-11-19 14:15:13,705 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_1574cc65-3376-4c75-8de5-26b7fb8c43fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[769367,769380] [2021-11-19 14:15:13,706 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_1574cc65-3376-4c75-8de5-26b7fb8c43fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[769531,769544] [2021-11-19 14:15:13,706 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_1574cc65-3376-4c75-8de5-26b7fb8c43fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[769696,769709] [2021-11-19 14:15:13,725 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:15:13,786 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:15:14,774 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_1574cc65-3376-4c75-8de5-26b7fb8c43fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[769201,769214] [2021-11-19 14:15:14,775 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_1574cc65-3376-4c75-8de5-26b7fb8c43fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[769367,769380] [2021-11-19 14:15:14,776 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_1574cc65-3376-4c75-8de5-26b7fb8c43fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[769531,769544] [2021-11-19 14:15:14,780 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_1574cc65-3376-4c75-8de5-26b7fb8c43fb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[769696,769709] [2021-11-19 14:15:14,793 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:15:15,225 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:15:15,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:15 WrapperNode [2021-11-19 14:15:15,229 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:15:15,231 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:15:15,231 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:15:15,231 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:15:15,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:15" (1/1) ... [2021-11-19 14:15:15,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:15" (1/1) ... [2021-11-19 14:15:16,063 INFO L137 Inliner]: procedures = 705, calls = 11589, calls flagged for inlining = 372, calls inlined = 263, statements flattened = 12959 [2021-11-19 14:15:16,064 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:15:16,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:15:16,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:15:16,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:15:16,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:15" (1/1) ... [2021-11-19 14:15:16,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:15" (1/1) ... [2021-11-19 14:15:16,178 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:15" (1/1) ... [2021-11-19 14:15:16,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:15" (1/1) ... [2021-11-19 14:15:16,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:15" (1/1) ... [2021-11-19 14:15:16,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:15" (1/1) ... [2021-11-19 14:15:16,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:15" (1/1) ... [2021-11-19 14:15:16,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:15:16,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:15:16,915 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:15:16,915 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:15:16,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:15" (1/1) ... [2021-11-19 14:15:16,923 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:15:16,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:15:16,960 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:15:16,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:15:17,014 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-19 14:15:17,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-19 14:15:17,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 14:15:17,015 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 14:15:17,015 INFO L130 BoogieDeclarations]: Found specification of procedure read_register [2021-11-19 14:15:17,015 INFO L138 BoogieDeclarations]: Found implementation of procedure read_register [2021-11-19 14:15:17,015 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_send_data [2021-11-19 14:15:17,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_send_data [2021-11-19 14:15:17,016 INFO L130 BoogieDeclarations]: Found specification of procedure write_register_byte [2021-11-19 14:15:17,016 INFO L138 BoogieDeclarations]: Found implementation of procedure write_register_byte [2021-11-19 14:15:17,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 14:15:17,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 14:15:17,016 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-19 14:15:17,016 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-19 14:15:17,017 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2021-11-19 14:15:17,017 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2021-11-19 14:15:17,017 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_release_firmware [2021-11-19 14:15:17,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_release_firmware [2021-11-19 14:15:17,017 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_configure_security [2021-11-19 14:15:17,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_configure_security [2021-11-19 14:15:17,018 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 14:15:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 14:15:17,018 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-19 14:15:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-19 14:15:17,018 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_reset_adapter [2021-11-19 14:15:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_reset_adapter [2021-11-19 14:15:17,019 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_security_information [2021-11-19 14:15:17,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_security_information [2021-11-19 14:15:17,019 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-19 14:15:17,020 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-19 14:15:17,020 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 14:15:17,020 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 14:15:17,020 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-19 14:15:17,020 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-19 14:15:17,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 14:15:17,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 14:15:17,021 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-19 14:15:17,021 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-19 14:15:17,021 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-19 14:15:17,021 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-19 14:15:17,022 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_mandatory_bssid [2021-11-19 14:15:17,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_mandatory_bssid [2021-11-19 14:15:17,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 14:15:17,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 14:15:17,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-19 14:15:17,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-19 14:15:17,024 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-19 14:15:17,024 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-19 14:15:17,024 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_rfkill_set_hw_state [2021-11-19 14:15:17,024 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_rfkill_set_hw_state [2021-11-19 14:15:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_unregister [2021-11-19 14:15:17,025 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_unregister [2021-11-19 14:15:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_disable_adapter [2021-11-19 14:15:17,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_disable_adapter [2021-11-19 14:15:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-19 14:15:17,026 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-19 14:15:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:15:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 14:15:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:15:17,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:15:17,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 14:15:17,028 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_send_command [2021-11-19 14:15:17,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_send_command [2021-11-19 14:15:17,028 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-19 14:15:17,028 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-19 14:15:17,028 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_word [2021-11-19 14:15:17,028 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_word [2021-11-19 14:15:17,029 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-19 14:15:17,029 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-19 14:15:17,029 INFO L130 BoogieDeclarations]: Found specification of procedure isr_scan_complete [2021-11-19 14:15:17,029 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_scan_complete [2021-11-19 14:15:17,029 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_power_mode [2021-11-19 14:15:17,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_power_mode [2021-11-19 14:15:17,030 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 14:15:17,030 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 14:15:17,031 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_byte [2021-11-19 14:15:17,031 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_byte [2021-11-19 14:15:17,031 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-19 14:15:17,031 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-19 14:15:17,031 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2021-11-19 14:15:17,031 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2021-11-19 14:15:17,032 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 14:15:17,032 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 14:15:17,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-19 14:15:17,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-19 14:15:17,033 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_dword [2021-11-19 14:15:17,033 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_dword [2021-11-19 14:15:17,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 14:15:17,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 14:15:17,033 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_channel [2021-11-19 14:15:17,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_channel [2021-11-19 14:15:17,034 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-19 14:15:17,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-19 14:15:17,034 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_up [2021-11-19 14:15:17,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_up [2021-11-19 14:15:17,034 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_send_commands [2021-11-19 14:15:17,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_send_commands [2021-11-19 14:15:17,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 14:15:17,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 14:15:17,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-19 14:15:17,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-19 14:15:17,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 14:15:17,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 14:15:17,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 14:15:17,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 14:15:17,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ipw2100_exit_18_2 [2021-11-19 14:15:17,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ipw2100_exit_18_2 [2021-11-19 14:15:17,041 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-19 14:15:17,042 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-19 14:15:17,042 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-19 14:15:17,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-19 14:15:17,043 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_enable_adapter [2021-11-19 14:15:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_enable_adapter [2021-11-19 14:15:17,049 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-19 14:15:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-19 14:15:17,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_action_mutex_of_ipw2100_priv [2021-11-19 14:15:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_action_mutex_of_ipw2100_priv [2021-11-19 14:15:17,050 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_scan_options [2021-11-19 14:15:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_scan_options [2021-11-19 14:15:17,050 INFO L130 BoogieDeclarations]: Found specification of procedure libipw_txb_free [2021-11-19 14:15:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure libipw_txb_free [2021-11-19 14:15:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_reset_fatalerror [2021-11-19 14:15:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_reset_fatalerror [2021-11-19 14:15:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:15:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-19 14:15:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-19 14:15:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 14:15:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 14:15:17,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:15:17,052 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_tx_rates [2021-11-19 14:15:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_tx_rates [2021-11-19 14:15:17,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 14:15:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 14:15:17,052 INFO L130 BoogieDeclarations]: Found specification of procedure print_ssid [2021-11-19 14:15:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure print_ssid [2021-11-19 14:15:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 14:15:17,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 14:15:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:15:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-19 14:15:17,053 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-19 14:15:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 14:15:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 14:15:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 14:15:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 14:15:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_snapshot_free [2021-11-19 14:15:17,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_snapshot_free [2021-11-19 14:15:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure snprint_line [2021-11-19 14:15:17,054 INFO L138 BoogieDeclarations]: Found implementation of procedure snprint_line [2021-11-19 14:15:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_reset [2021-11-19 14:15:17,054 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_reset [2021-11-19 14:15:17,055 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-19 14:15:17,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-19 14:15:17,055 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 14:15:17,055 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 14:15:17,055 INFO L130 BoogieDeclarations]: Found specification of procedure sw_reset_and_clock [2021-11-19 14:15:17,055 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_reset_and_clock [2021-11-19 14:15:17,055 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_enable_interrupts [2021-11-19 14:15:17,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_enable_interrupts [2021-11-19 14:15:17,056 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-11-19 14:15:17,056 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-11-19 14:15:17,056 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_resume [2021-11-19 14:15:17,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_resume [2021-11-19 14:15:17,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 14:15:17,056 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2021-11-19 14:15:17,056 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2021-11-19 14:15:17,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:15:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:15:17,057 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2021-11-19 14:15:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2021-11-19 14:15:17,057 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_pci_remove_one [2021-11-19 14:15:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_pci_remove_one [2021-11-19 14:15:17,057 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_free [2021-11-19 14:15:17,058 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_free [2021-11-19 14:15:17,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 14:15:17,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-19 14:15:17,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-19 14:15:17,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:15:17,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 14:15:17,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 14:15:17,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 14:15:17,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 14:15:17,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 14:15:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 14:15:17,059 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_alloc_skb [2021-11-19 14:15:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_alloc_skb [2021-11-19 14:15:17,059 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-19 14:15:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-19 14:15:17,060 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_get_ordinal [2021-11-19 14:15:17,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_get_ordinal [2021-11-19 14:15:17,060 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_stop_adapter [2021-11-19 14:15:17,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_stop_adapter [2021-11-19 14:15:17,060 INFO L130 BoogieDeclarations]: Found specification of procedure write_register [2021-11-19 14:15:17,060 INFO L138 BoogieDeclarations]: Found implementation of procedure write_register [2021-11-19 14:15:17,060 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_set_gpio [2021-11-19 14:15:17,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_set_gpio [2021-11-19 14:15:17,061 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-19 14:15:17,061 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-19 14:15:17,061 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_down [2021-11-19 14:15:17,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_down [2021-11-19 14:15:17,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_adapter_mutex_of_ipw2100_priv [2021-11-19 14:15:17,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_adapter_mutex_of_ipw2100_priv [2021-11-19 14:15:17,061 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_close [2021-11-19 14:15:17,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_close [2021-11-19 14:15:17,062 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_wait_for_card_state [2021-11-19 14:15:17,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_wait_for_card_state [2021-11-19 14:15:17,062 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_rf_kill [2021-11-19 14:15:17,062 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_rf_kill [2021-11-19 14:15:17,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-19 14:15:17,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-19 14:15:17,063 INFO L130 BoogieDeclarations]: Found specification of procedure read_register_byte [2021-11-19 14:15:17,063 INFO L138 BoogieDeclarations]: Found implementation of procedure read_register_byte [2021-11-19 14:15:17,063 INFO L130 BoogieDeclarations]: Found specification of procedure status_queue_free [2021-11-19 14:15:17,063 INFO L138 BoogieDeclarations]: Found implementation of procedure status_queue_free [2021-11-19 14:15:17,063 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-19 14:15:17,063 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-19 14:15:17,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 14:15:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 14:15:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-19 14:15:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-19 14:15:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_rx_free [2021-11-19 14:15:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_rx_free [2021-11-19 14:15:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-19 14:15:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-19 14:15:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-19 14:15:17,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-19 14:15:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-19 14:15:17,065 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-19 14:15:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-19 14:15:17,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-19 14:15:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:15:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure mod_delayed_work [2021-11-19 14:15:17,070 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_delayed_work [2021-11-19 14:15:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 14:15:17,070 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 14:15:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_shutdown [2021-11-19 14:15:17,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_shutdown [2021-11-19 14:15:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:15:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_word [2021-11-19 14:15:17,071 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_word [2021-11-19 14:15:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_association_lost [2021-11-19 14:15:17,072 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_association_lost [2021-11-19 14:15:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_free [2021-11-19 14:15:17,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_free [2021-11-19 14:15:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_mac_address [2021-11-19 14:15:17,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_mac_address [2021-11-19 14:15:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_essid [2021-11-19 14:15:17,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_essid [2021-11-19 14:15:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 14:15:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 14:15:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 14:15:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-11-19 14:15:17,075 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-11-19 14:15:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 14:15:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:15:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_disable_interrupts [2021-11-19 14:15:17,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_disable_interrupts [2021-11-19 14:15:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-19 14:15:17,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-19 14:15:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-19 14:15:17,076 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-19 14:15:17,076 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 14:15:17,076 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 14:15:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_rts_threshold [2021-11-19 14:15:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_rts_threshold [2021-11-19 14:15:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_byte [2021-11-19 14:15:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_byte [2021-11-19 14:15:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 14:15:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 14:15:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure free_libipw [2021-11-19 14:15:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure free_libipw [2021-11-19 14:15:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 14:15:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 14:15:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-19 14:15:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-19 14:15:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-19 14:15:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-19 14:15:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_msg_free [2021-11-19 14:15:17,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_msg_free [2021-11-19 14:15:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure printk_buf [2021-11-19 14:15:17,079 INFO L138 BoogieDeclarations]: Found implementation of procedure printk_buf [2021-11-19 14:15:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure ipw_ethtool_get_drvinfo [2021-11-19 14:15:17,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw_ethtool_get_drvinfo [2021-11-19 14:15:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-11-19 14:15:17,079 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-11-19 14:15:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_tx_power [2021-11-19 14:15:17,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_tx_power [2021-11-19 14:15:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-19 14:15:17,080 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-19 14:15:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-11-19 14:15:17,080 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-11-19 14:15:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-19 14:15:17,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-19 14:15:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-19 14:15:17,081 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-19 14:15:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2021-11-19 14:15:17,081 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2021-11-19 14:15:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_system_config [2021-11-19 14:15:17,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_system_config [2021-11-19 14:15:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_kill_works [2021-11-19 14:15:17,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_kill_works [2021-11-19 14:15:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2021-11-19 14:15:17,082 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2021-11-19 14:15:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 14:15:17,082 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 14:15:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-19 14:15:17,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-19 14:15:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 14:15:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 14:15:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 14:15:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 14:15:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_queues_free [2021-11-19 14:15:17,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_queues_free [2021-11-19 14:15:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 14:15:17,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 14:15:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure rf_kill_active [2021-11-19 14:15:17,084 INFO L138 BoogieDeclarations]: Found implementation of procedure rf_kill_active [2021-11-19 14:15:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure get_seconds [2021-11-19 14:15:17,084 INFO L138 BoogieDeclarations]: Found implementation of procedure get_seconds [2021-11-19 14:15:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_allocate [2021-11-19 14:15:17,084 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_allocate [2021-11-19 14:15:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-19 14:15:17,084 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-19 14:15:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure libipw_priv [2021-11-19 14:15:17,085 INFO L138 BoogieDeclarations]: Found implementation of procedure libipw_priv [2021-11-19 14:15:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-19 14:15:17,085 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-19 14:15:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-19 14:15:17,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-19 14:15:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_timeout [2021-11-19 14:15:17,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_timeout [2021-11-19 14:15:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_action_mutex_of_ipw2100_priv [2021-11-19 14:15:17,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_action_mutex_of_ipw2100_priv [2021-11-19 14:15:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_adapter_mutex_of_ipw2100_priv [2021-11-19 14:15:17,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_adapter_mutex_of_ipw2100_priv [2021-11-19 14:15:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 14:15:17,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 14:15:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-19 14:15:17,086 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-19 14:15:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-19 14:15:17,087 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-19 14:15:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-19 14:15:17,087 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-19 14:15:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-19 14:15:17,087 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-19 14:15:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_open [2021-11-19 14:15:17,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_open [2021-11-19 14:15:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-19 14:15:17,088 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-19 14:15:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_queues_initialize [2021-11-19 14:15:17,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_queues_initialize [2021-11-19 14:15:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-19 14:15:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure pm_qos_update_request [2021-11-19 14:15:17,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_qos_update_request [2021-11-19 14:15:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_associated [2021-11-19 14:15:17,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_associated [2021-11-19 14:15:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_scanning [2021-11-19 14:15:17,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_scanning [2021-11-19 14:15:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_dword [2021-11-19 14:15:17,089 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_dword [2021-11-19 14:15:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 14:15:17,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 14:15:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-19 14:15:17,090 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-19 14:15:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_initialize [2021-11-19 14:15:17,090 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_initialize [2021-11-19 14:15:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_start_scan [2021-11-19 14:15:17,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_start_scan [2021-11-19 14:15:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-11-19 14:15:17,091 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-11-19 14:15:18,324 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:15:18,328 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:15:18,629 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 14:22:22,282 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 14:22:22,638 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:22:22,677 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:22:22,677 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-19 14:22:22,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:22:22 BoogieIcfgContainer [2021-11-19 14:22:22,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:22:22,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:22:22,686 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:22:22,689 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:22:22,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:15:04" (1/3) ... [2021-11-19 14:22:22,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aea41c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:22:22, skipping insertion in model container [2021-11-19 14:22:22,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:15" (2/3) ... [2021-11-19 14:22:22,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aea41c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:22:22, skipping insertion in model container [2021-11-19 14:22:22,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:22:22" (3/3) ... [2021-11-19 14:22:22,697 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-11-19 14:22:22,704 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:22:22,704 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-19 14:22:22,900 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:22:22,910 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 14:22:22,910 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-19 14:22:23,007 INFO L276 IsEmpty]: Start isEmpty. Operand has 3740 states, 2689 states have (on average 1.3406470806991446) internal successors, (3605), 2704 states have internal predecessors, (3605), 881 states have call successors, (881), 168 states have call predecessors, (881), 167 states have return successors, (875), 874 states have call predecessors, (875), 875 states have call successors, (875) [2021-11-19 14:22:23,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-19 14:22:23,044 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:22:23,045 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 14:22:23,045 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:22:23,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:22:23,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1959154042, now seen corresponding path program 1 times [2021-11-19 14:22:23,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:22:23,080 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1526842311] [2021-11-19 14:22:23,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:22:23,081 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:22:23,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:22:23,084 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:22:23,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:22:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:22:37,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 8467 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:22:37,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:22:40,315 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 14:22:40,315 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:22:42,160 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 14:22:42,161 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:22:42,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1526842311] [2021-11-19 14:22:42,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1526842311] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:22:42,162 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:22:42,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:22:42,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230479519] [2021-11-19 14:22:42,165 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:22:42,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:22:42,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:22:42,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:22:42,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:22:42,210 INFO L87 Difference]: Start difference. First operand has 3740 states, 2689 states have (on average 1.3406470806991446) internal successors, (3605), 2704 states have internal predecessors, (3605), 881 states have call successors, (881), 168 states have call predecessors, (881), 167 states have return successors, (875), 874 states have call predecessors, (875), 875 states have call successors, (875) 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 14:22:43,421 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:22:45,432 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 14:23:51,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:23:51,901 INFO L93 Difference]: Finished difference Result 14616 states and 22292 transitions. [2021-11-19 14:23:51,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:23:51,904 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 14:23:51,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:23:52,022 INFO L225 Difference]: With dead ends: 14616 [2021-11-19 14:23:52,022 INFO L226 Difference]: Without dead ends: 10896 [2021-11-19 14:23:52,097 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 418 GetRequests, 416 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 14:23:52,102 INFO L933 BasicCegarLoop]: 7018 mSDtfsCounter, 13872 mSDsluCounter, 8663 mSDsCounter, 0 mSdLazyCounter, 1822 mSolverCounterSat, 1705 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13872 SdHoareTripleChecker+Valid, 15681 SdHoareTripleChecker+Invalid, 3528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1705 IncrementalHoareTripleChecker+Valid, 1822 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 68.7s IncrementalHoareTripleChecker+Time [2021-11-19 14:23:52,103 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13872 Valid, 15681 Invalid, 3528 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1705 Valid, 1822 Invalid, 1 Unknown, 0 Unchecked, 68.7s Time] [2021-11-19 14:23:52,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10896 states. [2021-11-19 14:23:52,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10896 to 10877. [2021-11-19 14:23:52,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10877 states, 7849 states have (on average 1.340043317620079) internal successors, (10518), 7890 states have internal predecessors, (10518), 2531 states have call successors, (2531), 495 states have call predecessors, (2531), 494 states have return successors, (2527), 2524 states have call predecessors, (2527), 2527 states have call successors, (2527) [2021-11-19 14:23:52,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10877 states to 10877 states and 15576 transitions. [2021-11-19 14:23:52,972 INFO L78 Accepts]: Start accepts. Automaton has 10877 states and 15576 transitions. Word has length 210 [2021-11-19 14:23:52,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:23:52,976 INFO L470 AbstractCegarLoop]: Abstraction has 10877 states and 15576 transitions. [2021-11-19 14:23:52,977 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 14:23:52,977 INFO L276 IsEmpty]: Start isEmpty. Operand 10877 states and 15576 transitions. [2021-11-19 14:23:52,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-19 14:23:52,989 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:23:52,990 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 14:23:53,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:23:53,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:23:53,214 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:23:53,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:23:53,215 INFO L85 PathProgramCache]: Analyzing trace with hash -567448667, now seen corresponding path program 1 times [2021-11-19 14:23:53,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:23:53,228 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [696644531] [2021-11-19 14:23:53,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:23:53,228 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:23:53,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:23:53,230 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:23:53,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:24:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:24:08,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 8553 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:24:08,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:24:10,615 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 14:24:10,616 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:24:12,411 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 14:24:12,411 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:24:12,411 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [696644531] [2021-11-19 14:24:12,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [696644531] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:24:12,411 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:24:12,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:24:12,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877145437] [2021-11-19 14:24:12,412 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:24:12,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:24:12,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:24:12,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:24:12,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:24:12,417 INFO L87 Difference]: Start difference. First operand 10877 states and 15576 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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 14:24:13,701 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:24:15,714 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:25:19,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:25:19,260 INFO L93 Difference]: Finished difference Result 31202 states and 44813 transitions. [2021-11-19 14:25:19,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:25:19,261 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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 14:25:19,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:25:19,467 INFO L225 Difference]: With dead ends: 31202 [2021-11-19 14:25:19,468 INFO L226 Difference]: Without dead ends: 20362 [2021-11-19 14:25:19,542 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 14:25:19,546 INFO L933 BasicCegarLoop]: 8359 mSDtfsCounter, 11377 mSDsluCounter, 7440 mSDsCounter, 0 mSdLazyCounter, 1820 mSolverCounterSat, 1104 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 64.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11377 SdHoareTripleChecker+Valid, 15799 SdHoareTripleChecker+Invalid, 2925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1104 IncrementalHoareTripleChecker+Valid, 1820 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 66.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:25:19,547 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11377 Valid, 15799 Invalid, 2925 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1104 Valid, 1820 Invalid, 1 Unknown, 0 Unchecked, 66.0s Time] [2021-11-19 14:25:19,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20362 states. [2021-11-19 14:25:20,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20362 to 20326. [2021-11-19 14:25:20,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20326 states, 14928 states have (on average 1.3561093247588425) internal successors, (20244), 14984 states have internal predecessors, (20244), 4481 states have call successors, (4481), 917 states have call predecessors, (4481), 914 states have return successors, (4477), 4465 states have call predecessors, (4477), 4477 states have call successors, (4477) [2021-11-19 14:25:20,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20326 states to 20326 states and 29202 transitions. [2021-11-19 14:25:20,838 INFO L78 Accepts]: Start accepts. Automaton has 20326 states and 29202 transitions. Word has length 221 [2021-11-19 14:25:20,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:25:20,840 INFO L470 AbstractCegarLoop]: Abstraction has 20326 states and 29202 transitions. [2021-11-19 14:25:20,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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 14:25:20,841 INFO L276 IsEmpty]: Start isEmpty. Operand 20326 states and 29202 transitions. [2021-11-19 14:25:20,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-19 14:25:20,847 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:25:20,848 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, 1] [2021-11-19 14:25:21,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-19 14:25:21,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:25:21,070 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:25:21,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:25:21,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1235319701, now seen corresponding path program 1 times [2021-11-19 14:25:21,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:25:21,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1778971287] [2021-11-19 14:25:21,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:25:21,077 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:25:21,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:25:21,078 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:25:21,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:25:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:25:35,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 8535 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:25:35,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:25:37,936 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 14:25:37,936 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:25:39,612 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 14:25:39,612 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:25:39,613 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1778971287] [2021-11-19 14:25:39,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1778971287] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:25:39,613 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:25:39,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:25:39,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209503419] [2021-11-19 14:25:39,613 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:25:39,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:25:39,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:25:39,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:25:39,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:25:39,615 INFO L87 Difference]: Start difference. First operand 20326 states and 29202 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-11-19 14:25:42,878 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:25:45,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:25:45,105 INFO L93 Difference]: Finished difference Result 52132 states and 74833 transitions. [2021-11-19 14:25:45,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:25:45,106 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 222 [2021-11-19 14:25:45,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:25:45,338 INFO L225 Difference]: With dead ends: 52132 [2021-11-19 14:25:45,339 INFO L226 Difference]: Without dead ends: 31843 [2021-11-19 14:25:45,442 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 441 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 14:25:45,445 INFO L933 BasicCegarLoop]: 6143 mSDtfsCounter, 5038 mSDsluCounter, 5233 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5038 SdHoareTripleChecker+Valid, 11376 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 14:25:45,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5038 Valid, 11376 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 36 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2021-11-19 14:25:45,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31843 states. [2021-11-19 14:25:47,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31843 to 31821. [2021-11-19 14:25:47,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31821 states, 23352 states have (on average 1.354487838300788) internal successors, (31630), 23453 states have internal predecessors, (31630), 7000 states have call successors, (7000), 1475 states have call predecessors, (7000), 1466 states have return successors, (6996), 6959 states have call predecessors, (6996), 6996 states have call successors, (6996) [2021-11-19 14:25:47,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31821 states to 31821 states and 45626 transitions. [2021-11-19 14:25:47,634 INFO L78 Accepts]: Start accepts. Automaton has 31821 states and 45626 transitions. Word has length 222 [2021-11-19 14:25:47,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:25:47,636 INFO L470 AbstractCegarLoop]: Abstraction has 31821 states and 45626 transitions. [2021-11-19 14:25:47,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-11-19 14:25:47,636 INFO L276 IsEmpty]: Start isEmpty. Operand 31821 states and 45626 transitions. [2021-11-19 14:25:47,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-11-19 14:25:47,651 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:25:47,653 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 14:25:47,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:25:47,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:25:47,869 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:25:47,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:25:47,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1510764369, now seen corresponding path program 1 times [2021-11-19 14:25:47,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:25:47,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1047645361] [2021-11-19 14:25:47,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:25:47,882 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:25:47,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:25:47,884 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:25:47,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 14:26:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:26:03,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 8607 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:26:03,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:26:21,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1330 trivial. 0 not checked. [2021-11-19 14:26:21,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:26:29,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1330 trivial. 0 not checked. [2021-11-19 14:26:29,342 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:26:29,342 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1047645361] [2021-11-19 14:26:29,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1047645361] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:26:29,342 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:26:29,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-19 14:26:29,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600910274] [2021-11-19 14:26:29,343 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:26:29,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 14:26:29,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:26:29,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 14:26:29,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:26:29,347 INFO L87 Difference]: Start difference. First operand 31821 states and 45626 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (53), 4 states have call predecessors, (53), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-19 14:26:30,685 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:26:33,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:26:33,979 INFO L93 Difference]: Finished difference Result 40777 states and 58081 transitions. [2021-11-19 14:26:33,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:26:33,980 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (53), 4 states have call predecessors, (53), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 275 [2021-11-19 14:26:33,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:26:34,350 INFO L225 Difference]: With dead ends: 40777 [2021-11-19 14:26:34,350 INFO L226 Difference]: Without dead ends: 40775 [2021-11-19 14:26:34,368 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 551 GetRequests, 543 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:26:34,372 INFO L933 BasicCegarLoop]: 7238 mSDtfsCounter, 5059 mSDsluCounter, 31826 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5063 SdHoareTripleChecker+Valid, 39064 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:26:34,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5063 Valid, 39064 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-19 14:26:34,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40775 states. [2021-11-19 14:26:36,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40775 to 40771. [2021-11-19 14:26:36,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40771 states, 29821 states have (on average 1.351161932866101) internal successors, (40293), 29940 states have internal predecessors, (40293), 8894 states have call successors, (8894), 2062 states have call predecessors, (8894), 2053 states have return successors, (8890), 8853 states have call predecessors, (8890), 8890 states have call successors, (8890) [2021-11-19 14:26:37,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40771 states to 40771 states and 58077 transitions. [2021-11-19 14:26:37,054 INFO L78 Accepts]: Start accepts. Automaton has 40771 states and 58077 transitions. Word has length 275 [2021-11-19 14:26:37,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:26:37,055 INFO L470 AbstractCegarLoop]: Abstraction has 40771 states and 58077 transitions. [2021-11-19 14:26:37,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (53), 4 states have call predecessors, (53), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-19 14:26:37,055 INFO L276 IsEmpty]: Start isEmpty. Operand 40771 states and 58077 transitions. [2021-11-19 14:26:37,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-11-19 14:26:37,071 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:26:37,072 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, 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] [2021-11-19 14:26:37,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 14:26:37,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:26:37,286 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:26:37,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:26:37,287 INFO L85 PathProgramCache]: Analyzing trace with hash -252462325, now seen corresponding path program 1 times [2021-11-19 14:26:37,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:26:37,477 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2018071700] [2021-11-19 14:26:37,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:26:37,477 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:26:37,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:26:37,491 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:26:37,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 14:26:52,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:26:53,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 8614 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:26:53,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:27:11,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1330 trivial. 0 not checked. [2021-11-19 14:27:11,535 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:27:18,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1330 trivial. 0 not checked. [2021-11-19 14:27:18,387 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:27:18,387 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2018071700] [2021-11-19 14:27:18,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2018071700] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:27:18,387 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:27:18,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2021-11-19 14:27:18,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513144470] [2021-11-19 14:27:18,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:27:18,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:27:18,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:27:18,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:27:18,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:27:18,390 INFO L87 Difference]: Start difference. First operand 40771 states and 58077 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-19 14:27:19,534 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:27:22,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:27:22,097 INFO L93 Difference]: Finished difference Result 47665 states and 67209 transitions. [2021-11-19 14:27:22,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:27:22,097 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 280 [2021-11-19 14:27:22,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:27:22,387 INFO L225 Difference]: With dead ends: 47665 [2021-11-19 14:27:22,387 INFO L226 Difference]: Without dead ends: 47663 [2021-11-19 14:27:22,405 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 561 GetRequests, 553 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:27:22,406 INFO L933 BasicCegarLoop]: 5779 mSDtfsCounter, 5128 mSDsluCounter, 12314 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5131 SdHoareTripleChecker+Valid, 18093 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 14:27:22,406 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5131 Valid, 18093 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 14:27:22,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47663 states. [2021-11-19 14:27:24,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47663 to 47661. [2021-11-19 14:27:24,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47661 states, 34880 states have (on average 1.3446674311926605) internal successors, (46902), 35027 states have internal predecessors, (46902), 10154 states have call successors, (10154), 2633 states have call predecessors, (10154), 2624 states have return successors, (10150), 10113 states have call predecessors, (10150), 10150 states have call successors, (10150) [2021-11-19 14:27:24,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47661 states to 47661 states and 67206 transitions. [2021-11-19 14:27:25,003 INFO L78 Accepts]: Start accepts. Automaton has 47661 states and 67206 transitions. Word has length 280 [2021-11-19 14:27:25,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:27:25,004 INFO L470 AbstractCegarLoop]: Abstraction has 47661 states and 67206 transitions. [2021-11-19 14:27:25,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-19 14:27:25,004 INFO L276 IsEmpty]: Start isEmpty. Operand 47661 states and 67206 transitions. [2021-11-19 14:27:25,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-11-19 14:27:25,023 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:27:25,024 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 3, 2, 2, 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, 1, 1, 1] [2021-11-19 14:27:25,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 14:27:25,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:27:25,246 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:27:25,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:27:25,247 INFO L85 PathProgramCache]: Analyzing trace with hash -828849681, now seen corresponding path program 1 times [2021-11-19 14:27:25,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:27:25,260 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1100216155] [2021-11-19 14:27:25,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:27:25,260 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:27:25,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:27:25,261 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:27:25,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1574cc65-3376-4c75-8de5-26b7fb8c43fb/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 14:27:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:27:39,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 8621 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:27:39,919 INFO L286 TraceCheckSpWp]: Computing forward predicates...