./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-ethernet-qlogic-qlge-qlge.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_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/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_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/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-ethernet-qlogic-qlge-qlge.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/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_d2a8c2d3-3f46-454b-8108-102ac872aa26/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 f70e4e56f3340c1b20d9142537fb15f82141ddbe721f83e6a5c46f084f6374a2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:36:04,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:36:04,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:36:04,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:36:04,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:36:04,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:36:04,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:36:04,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:36:04,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:36:04,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:36:04,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:36:04,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:36:04,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:36:04,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:36:04,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:36:04,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:36:04,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:36:04,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:36:04,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:36:04,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:36:04,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:36:04,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:36:04,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:36:04,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:36:04,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:36:04,465 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:36:04,465 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:36:04,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:36:04,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:36:04,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:36:04,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:36:04,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:36:04,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:36:04,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:36:04,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:36:04,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:36:04,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:36:04,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:36:04,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:36:04,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:36:04,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:36:04,478 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 13:36:04,504 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:36:04,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:36:04,505 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:36:04,506 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:36:04,506 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:36:04,507 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:36:04,507 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:36:04,507 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:36:04,508 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:36:04,508 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:36:04,509 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:36:04,509 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:36:04,509 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:36:04,510 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:36:04,510 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:36:04,511 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:36:04,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:36:04,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:36:04,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:36:04,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:36:04,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:36:04,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:36:04,514 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:36:04,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:36:04,514 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:36:04,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:36:04,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:36:04,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:36:04,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:36:04,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:36:04,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:36:04,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:36:04,516 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:36:04,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:36:04,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:36:04,517 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:36:04,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:36:04,517 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_d2a8c2d3-3f46-454b-8108-102ac872aa26/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f70e4e56f3340c1b20d9142537fb15f82141ddbe721f83e6a5c46f084f6374a2 [2021-11-19 13:36:04,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:36:04,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:36:04,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:36:04,867 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:36:04,868 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:36:04,869 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2021-11-19 13:36:04,951 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/data/0e92d18e9/65d76e8d8bdd473ca194c85379d9fcac/FLAGfe1bc17e3 [2021-11-19 13:36:06,157 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:36:06,158 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2021-11-19 13:36:06,236 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/data/0e92d18e9/65d76e8d8bdd473ca194c85379d9fcac/FLAGfe1bc17e3 [2021-11-19 13:36:06,298 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/data/0e92d18e9/65d76e8d8bdd473ca194c85379d9fcac [2021-11-19 13:36:06,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:36:06,304 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:36:06,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:36:06,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:36:06,311 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:36:06,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:36:06" (1/1) ... [2021-11-19 13:36:06,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dc0d7c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:36:06, skipping insertion in model container [2021-11-19 13:36:06,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:36:06" (1/1) ... [2021-11-19 13:36:06,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:36:06,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:36:10,704 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:11,240 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:11,241 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:11,268 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:12,535 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:12,824 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:12,826 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:12,829 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:12,831 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:13,571 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_d2a8c2d3-3f46-454b-8108-102ac872aa26/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[620998,621011] [2021-11-19 13:36:13,574 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_d2a8c2d3-3f46-454b-8108-102ac872aa26/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[621164,621177] [2021-11-19 13:36:13,579 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_d2a8c2d3-3f46-454b-8108-102ac872aa26/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[621328,621341] [2021-11-19 13:36:13,579 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_d2a8c2d3-3f46-454b-8108-102ac872aa26/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[621493,621506] [2021-11-19 13:36:13,626 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:36:13,767 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 13:36:13,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@35a5c4d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:36:13, skipping insertion in model container [2021-11-19 13:36:13,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:36:13,769 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 13:36:13,771 INFO L158 Benchmark]: Toolchain (without parser) took 7465.73ms. Allocated memory was 94.4MB in the beginning and 178.3MB in the end (delta: 83.9MB). Free memory was 53.0MB in the beginning and 102.0MB in the end (delta: -48.9MB). Peak memory consumption was 100.8MB. Max. memory is 16.1GB. [2021-11-19 13:36:13,772 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 94.4MB. Free memory was 66.0MB in the beginning and 66.0MB in the end (delta: 32.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:36:13,774 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7461.50ms. Allocated memory was 94.4MB in the beginning and 178.3MB in the end (delta: 83.9MB). Free memory was 52.8MB in the beginning and 102.0MB in the end (delta: -49.2MB). Peak memory consumption was 100.8MB. Max. memory is 16.1GB. [2021-11-19 13:36:13,776 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 94.4MB. Free memory was 66.0MB in the beginning and 66.0MB in the end (delta: 32.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7461.50ms. Allocated memory was 94.4MB in the beginning and 178.3MB in the end (delta: 83.9MB). Free memory was 52.8MB in the beginning and 102.0MB in the end (delta: -49.2MB). Peak memory consumption was 100.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7474]: 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_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/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_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/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-ethernet-qlogic-qlge-qlge.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/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_d2a8c2d3-3f46-454b-8108-102ac872aa26/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 f70e4e56f3340c1b20d9142537fb15f82141ddbe721f83e6a5c46f084f6374a2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:36:15,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:36:15,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:36:16,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:36:16,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:36:16,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:36:16,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:36:16,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:36:16,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:36:16,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:36:16,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:36:16,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:36:16,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:36:16,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:36:16,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:36:16,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:36:16,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:36:16,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:36:16,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:36:16,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:36:16,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:36:16,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:36:16,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:36:16,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:36:16,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:36:16,062 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:36:16,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:36:16,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:36:16,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:36:16,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:36:16,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:36:16,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:36:16,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:36:16,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:36:16,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:36:16,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:36:16,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:36:16,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:36:16,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:36:16,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:36:16,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:36:16,076 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 13:36:16,101 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:36:16,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:36:16,102 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:36:16,102 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:36:16,103 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:36:16,103 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:36:16,103 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:36:16,104 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:36:16,104 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:36:16,104 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:36:16,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:36:16,105 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:36:16,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:36:16,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:36:16,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:36:16,107 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:36:16,107 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 13:36:16,107 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 13:36:16,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:36:16,108 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:36:16,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:36:16,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:36:16,109 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 13:36:16,109 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:36:16,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:36:16,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:36:16,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:36:16,110 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:36:16,110 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 13:36:16,111 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 13:36:16,111 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:36:16,111 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:36:16,112 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:36:16,112 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_d2a8c2d3-3f46-454b-8108-102ac872aa26/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f70e4e56f3340c1b20d9142537fb15f82141ddbe721f83e6a5c46f084f6374a2 [2021-11-19 13:36:16,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:36:16,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:36:16,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:36:16,493 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:36:16,493 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:36:16,495 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2021-11-19 13:36:16,562 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/data/07c44a3ed/514f8c5e560248aabcca51f0b05b376c/FLAG87240cf1c [2021-11-19 13:36:17,769 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:36:17,769 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2021-11-19 13:36:17,879 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/data/07c44a3ed/514f8c5e560248aabcca51f0b05b376c/FLAG87240cf1c [2021-11-19 13:36:18,388 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/data/07c44a3ed/514f8c5e560248aabcca51f0b05b376c [2021-11-19 13:36:18,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:36:18,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:36:18,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:36:18,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:36:18,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:36:18,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:36:18" (1/1) ... [2021-11-19 13:36:18,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cdbd9ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:36:18, skipping insertion in model container [2021-11-19 13:36:18,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:36:18" (1/1) ... [2021-11-19 13:36:18,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:36:18,676 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:36:27,001 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_d2a8c2d3-3f46-454b-8108-102ac872aa26/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[620998,621011] [2021-11-19 13:36:27,004 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_d2a8c2d3-3f46-454b-8108-102ac872aa26/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[621164,621177] [2021-11-19 13:36:27,005 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_d2a8c2d3-3f46-454b-8108-102ac872aa26/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[621328,621341] [2021-11-19 13:36:27,007 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_d2a8c2d3-3f46-454b-8108-102ac872aa26/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[621493,621506] [2021-11-19 13:36:27,050 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:36:27,178 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 13:36:27,301 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:36:28,031 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_d2a8c2d3-3f46-454b-8108-102ac872aa26/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[620998,621011] [2021-11-19 13:36:28,032 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_d2a8c2d3-3f46-454b-8108-102ac872aa26/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[621164,621177] [2021-11-19 13:36:28,033 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_d2a8c2d3-3f46-454b-8108-102ac872aa26/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[621328,621341] [2021-11-19 13:36:28,034 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_d2a8c2d3-3f46-454b-8108-102ac872aa26/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[621493,621506] [2021-11-19 13:36:28,046 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:36:28,124 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:36:29,345 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_d2a8c2d3-3f46-454b-8108-102ac872aa26/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[620998,621011] [2021-11-19 13:36:29,345 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_d2a8c2d3-3f46-454b-8108-102ac872aa26/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[621164,621177] [2021-11-19 13:36:29,346 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_d2a8c2d3-3f46-454b-8108-102ac872aa26/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[621328,621341] [2021-11-19 13:36:29,347 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_d2a8c2d3-3f46-454b-8108-102ac872aa26/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[621493,621506] [2021-11-19 13:36:29,361 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:36:29,978 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:36:29,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:36:29 WrapperNode [2021-11-19 13:36:29,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:36:29,982 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:36:29,982 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:36:29,982 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:36:29,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:36:29" (1/1) ... [2021-11-19 13:36:30,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:36:29" (1/1) ... [2021-11-19 13:36:30,892 INFO L137 Inliner]: procedures = 716, calls = 7462, calls flagged for inlining = 381, calls inlined = 353, statements flattened = 15300 [2021-11-19 13:36:30,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:36:30,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:36:30,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:36:30,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:36:30,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:36:29" (1/1) ... [2021-11-19 13:36:30,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:36:29" (1/1) ... [2021-11-19 13:36:31,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:36:29" (1/1) ... [2021-11-19 13:36:31,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:36:29" (1/1) ... [2021-11-19 13:36:31,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:36:29" (1/1) ... [2021-11-19 13:36:31,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:36:29" (1/1) ... [2021-11-19 13:36:31,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:36:29" (1/1) ... [2021-11-19 13:36:31,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:36:31,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:36:31,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:36:31,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:36:31,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:36:29" (1/1) ... [2021-11-19 13:36:31,841 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:36:31,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:36:31,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:36:31,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:36:31,932 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-19 13:36:31,933 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-19 13:36:31,933 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-11-19 13:36:31,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-11-19 13:36:31,934 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-19 13:36:31,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 13:36:31,934 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 13:36:31,934 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-19 13:36:31,934 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-19 13:36:31,935 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2021-11-19 13:36:31,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2021-11-19 13:36:31,935 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-19 13:36:31,935 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-19 13:36:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-11-19 13:36:31,936 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-11-19 13:36:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2021-11-19 13:36:31,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2021-11-19 13:36:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 13:36:31,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 13:36:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2021-11-19 13:36:31,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2021-11-19 13:36:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2021-11-19 13:36:31,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2021-11-19 13:36:31,938 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2021-11-19 13:36:31,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2021-11-19 13:36:31,938 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2021-11-19 13:36:31,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2021-11-19 13:36:31,939 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-19 13:36:31,939 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-19 13:36:31,939 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2021-11-19 13:36:31,939 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2021-11-19 13:36:31,940 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2021-11-19 13:36:31,940 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2021-11-19 13:36:31,940 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-19 13:36:31,940 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-19 13:36:31,941 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-19 13:36:31,941 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-19 13:36:31,941 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-11-19 13:36:31,941 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-11-19 13:36:31,942 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 13:36:31,942 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 13:36:31,942 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-19 13:36:31,942 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-19 13:36:31,942 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-19 13:36:31,943 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-19 13:36:31,943 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2021-11-19 13:36:31,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2021-11-19 13:36:31,943 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_resume [2021-11-19 13:36:31,944 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_resume [2021-11-19 13:36:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 13:36:31,944 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 13:36:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-11-19 13:36:31,945 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-11-19 13:36:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2021-11-19 13:36:31,945 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2021-11-19 13:36:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2021-11-19 13:36:31,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2021-11-19 13:36:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2021-11-19 13:36:31,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2021-11-19 13:36:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2021-11-19 13:36:31,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2021-11-19 13:36:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2021-11-19 13:36:31,947 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2021-11-19 13:36:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-19 13:36:31,947 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-19 13:36:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 13:36:31,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 13:36:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2021-11-19 13:36:31,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2021-11-19 13:36:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-19 13:36:32,070 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-19 13:36:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-19 13:36:32,071 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-19 13:36:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2021-11-19 13:36:32,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2021-11-19 13:36:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-19 13:36:32,071 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-19 13:36:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 13:36:32,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 13:36:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2021-11-19 13:36:32,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2021-11-19 13:36:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-19 13:36:32,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-19 13:36:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2021-11-19 13:36:32,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2021-11-19 13:36:32,073 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-19 13:36:32,073 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-19 13:36:32,073 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-19 13:36:32,073 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-19 13:36:32,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:36:32,073 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-19 13:36:32,073 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-19 13:36:32,074 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2021-11-19 13:36:32,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2021-11-19 13:36:32,074 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2021-11-19 13:36:32,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2021-11-19 13:36:32,074 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2021-11-19 13:36:32,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2021-11-19 13:36:32,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 13:36:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 13:36:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2021-11-19 13:36:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2021-11-19 13:36:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 13:36:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2021-11-19 13:36:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2021-11-19 13:36:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-19 13:36:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-19 13:36:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2021-11-19 13:36:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2021-11-19 13:36:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-19 13:36:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-19 13:36:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2021-11-19 13:36:32,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2021-11-19 13:36:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2021-11-19 13:36:32,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2021-11-19 13:36:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2021-11-19 13:36:32,077 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2021-11-19 13:36:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 13:36:32,077 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 13:36:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2021-11-19 13:36:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2021-11-19 13:36:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-19 13:36:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-19 13:36:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_qlge_driver_exit_16_2 [2021-11-19 13:36:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_qlge_driver_exit_16_2 [2021-11-19 13:36:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2021-11-19 13:36:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2021-11-19 13:36:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-19 13:36:32,079 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-19 13:36:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2021-11-19 13:36:32,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2021-11-19 13:36:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-19 13:36:32,079 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-19 13:36:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 13:36:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 13:36:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-19 13:36:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-19 13:36:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2021-11-19 13:36:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2021-11-19 13:36:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2021-11-19 13:36:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2021-11-19 13:36:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2021-11-19 13:36:32,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2021-11-19 13:36:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2021-11-19 13:36:32,081 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2021-11-19 13:36:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 13:36:32,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 13:36:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-19 13:36:32,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-19 13:36:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-19 13:36:32,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-19 13:36:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 13:36:32,083 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 13:36:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-19 13:36:32,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-19 13:36:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-19 13:36:32,085 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-19 13:36:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 13:36:32,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 13:36:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2021-11-19 13:36:32,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2021-11-19 13:36:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2021-11-19 13:36:32,085 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2021-11-19 13:36:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 13:36:32,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 13:36:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2021-11-19 13:36:32,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2021-11-19 13:36:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-19 13:36:32,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-19 13:36:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-19 13:36:32,087 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-19 13:36:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2021-11-19 13:36:32,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2021-11-19 13:36:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2021-11-19 13:36:32,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2021-11-19 13:36:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-19 13:36:32,087 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-19 13:36:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-19 13:36:32,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-19 13:36:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2021-11-19 13:36:32,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2021-11-19 13:36:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2021-11-19 13:36:32,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2021-11-19 13:36:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2021-11-19 13:36:32,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2021-11-19 13:36:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 13:36:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2021-11-19 13:36:32,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2021-11-19 13:36:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-19 13:36:32,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-19 13:36:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 13:36:32,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 13:36:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-19 13:36:32,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-19 13:36:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2021-11-19 13:36:32,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2021-11-19 13:36:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-19 13:36:32,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-19 13:36:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2021-11-19 13:36:32,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2021-11-19 13:36:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:36:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-19 13:36:32,091 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-19 13:36:32,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 13:36:32,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 13:36:32,092 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 13:36:32,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 13:36:32,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 13:36:32,092 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 13:36:32,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 13:36:32,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 13:36:32,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 13:36:32,094 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2021-11-19 13:36:32,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2021-11-19 13:36:32,094 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2021-11-19 13:36:32,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2021-11-19 13:36:32,094 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-19 13:36:32,095 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-19 13:36:32,095 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2021-11-19 13:36:32,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2021-11-19 13:36:32,095 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2021-11-19 13:36:32,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2021-11-19 13:36:32,095 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2021-11-19 13:36:32,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2021-11-19 13:36:32,095 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2021-11-19 13:36:32,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2021-11-19 13:36:32,096 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-19 13:36:32,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-19 13:36:32,096 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2021-11-19 13:36:32,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2021-11-19 13:36:32,097 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-19 13:36:32,098 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-19 13:36:32,101 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2021-11-19 13:36:32,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2021-11-19 13:36:32,101 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 13:36:32,101 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 13:36:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-19 13:36:32,103 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-19 13:36:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-19 13:36:32,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-19 13:36:32,104 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-19 13:36:32,110 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-19 13:36:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2021-11-19 13:36:32,110 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2021-11-19 13:36:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2021-11-19 13:36:32,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2021-11-19 13:36:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-19 13:36:32,111 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-19 13:36:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2021-11-19 13:36:32,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2021-11-19 13:36:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-19 13:36:32,112 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-19 13:36:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-19 13:36:32,112 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-19 13:36:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2021-11-19 13:36:32,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2021-11-19 13:36:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 13:36:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:36:32,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:36:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2021-11-19 13:36:32,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2021-11-19 13:36:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-19 13:36:32,113 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-19 13:36:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2021-11-19 13:36:32,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2021-11-19 13:36:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 13:36:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2021-11-19 13:36:32,114 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2021-11-19 13:36:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-19 13:36:32,114 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-19 13:36:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 13:36:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2021-11-19 13:36:32,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2021-11-19 13:36:32,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 13:36:32,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 13:36:32,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 13:36:32,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 13:36:32,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 13:36:32,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 13:36:32,115 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2021-11-19 13:36:32,115 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2021-11-19 13:36:32,116 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-19 13:36:32,116 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-19 13:36:32,116 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2021-11-19 13:36:32,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2021-11-19 13:36:32,116 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-19 13:36:32,116 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-19 13:36:32,116 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-19 13:36:32,116 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-19 13:36:32,117 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-19 13:36:32,117 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-19 13:36:32,117 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2021-11-19 13:36:32,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2021-11-19 13:36:32,117 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-19 13:36:32,117 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2021-11-19 13:36:32,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2021-11-19 13:36:32,118 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-19 13:36:32,118 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-19 13:36:32,118 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2021-11-19 13:36:32,118 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2021-11-19 13:36:32,118 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2021-11-19 13:36:32,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2021-11-19 13:36:32,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-19 13:36:32,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-19 13:36:32,119 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2021-11-19 13:36:32,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2021-11-19 13:36:32,119 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2021-11-19 13:36:32,119 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2021-11-19 13:36:32,119 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2021-11-19 13:36:32,119 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2021-11-19 13:36:32,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2021-11-19 13:36:32,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2021-11-19 13:36:32,120 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-11-19 13:36:32,120 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-11-19 13:36:32,120 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-19 13:36:32,120 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-19 13:36:32,120 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-19 13:36:32,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-19 13:36:32,120 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2021-11-19 13:36:32,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2021-11-19 13:36:32,121 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-19 13:36:32,121 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-19 13:36:32,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 13:36:32,121 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 13:36:32,121 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2021-11-19 13:36:32,121 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2021-11-19 13:36:32,121 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2021-11-19 13:36:32,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2021-11-19 13:36:32,122 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-19 13:36:32,122 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-19 13:36:32,122 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2021-11-19 13:36:32,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2021-11-19 13:36:32,124 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2021-11-19 13:36:32,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2021-11-19 13:36:32,124 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-19 13:36:32,124 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-19 13:36:32,125 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2021-11-19 13:36:32,125 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2021-11-19 13:36:32,125 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-19 13:36:32,125 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-19 13:36:32,125 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-19 13:36:32,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-19 13:36:32,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:36:32,125 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 13:36:32,126 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 13:36:32,126 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2021-11-19 13:36:32,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2021-11-19 13:36:32,126 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-19 13:36:32,126 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-19 13:36:32,126 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2021-11-19 13:36:32,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2021-11-19 13:36:32,126 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-19 13:36:32,127 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-19 13:36:32,127 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2021-11-19 13:36:32,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2021-11-19 13:36:32,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 13:36:32,127 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-11-19 13:36:32,127 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-11-19 13:36:32,129 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2021-11-19 13:36:32,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2021-11-19 13:36:32,133 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2021-11-19 13:36:32,133 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2021-11-19 13:36:32,133 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-11-19 13:36:32,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-11-19 13:36:32,134 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-19 13:36:32,134 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-19 13:36:32,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 13:36:32,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 13:36:32,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 13:36:32,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 13:36:32,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 13:36:32,137 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2021-11-19 13:36:32,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2021-11-19 13:36:32,137 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2021-11-19 13:36:32,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2021-11-19 13:36:32,137 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-19 13:36:32,138 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-19 13:36:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-19 13:36:32,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-19 13:36:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2021-11-19 13:36:32,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2021-11-19 13:36:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 13:36:32,138 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 13:36:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-19 13:36:32,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-19 13:36:32,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 13:36:32,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 13:36:32,139 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-19 13:36:32,139 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-19 13:36:32,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-19 13:36:32,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-19 13:36:32,139 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2021-11-19 13:36:32,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2021-11-19 13:36:32,140 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2021-11-19 13:36:32,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2021-11-19 13:36:32,140 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-19 13:36:32,140 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-19 13:36:32,140 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-11-19 13:36:32,140 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-11-19 13:36:32,140 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2021-11-19 13:36:32,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2021-11-19 13:36:32,141 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-19 13:36:32,141 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-19 13:36:32,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-19 13:36:32,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-19 13:36:32,141 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-19 13:36:32,141 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-19 13:36:32,141 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-19 13:36:32,141 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-19 13:36:32,141 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2021-11-19 13:36:32,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2021-11-19 13:36:32,142 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-19 13:36:32,142 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-19 13:36:32,142 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2021-11-19 13:36:32,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2021-11-19 13:36:32,142 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-11-19 13:36:32,142 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-11-19 13:36:32,142 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 13:36:32,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 13:36:32,143 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-19 13:36:32,143 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-19 13:36:32,143 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-19 13:36:32,143 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-19 13:36:32,143 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2021-11-19 13:36:32,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2021-11-19 13:36:32,143 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 13:36:32,144 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 13:36:32,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-19 13:36:32,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-19 13:36:32,144 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2021-11-19 13:36:32,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2021-11-19 13:36:32,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 13:36:32,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 13:36:32,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 13:36:32,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 13:36:32,145 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-19 13:36:32,145 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-19 13:36:32,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 13:36:32,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 13:36:32,145 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2021-11-19 13:36:32,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2021-11-19 13:36:32,145 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-19 13:36:32,145 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-19 13:36:32,146 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-19 13:36:32,146 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-19 13:36:32,146 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2021-11-19 13:36:32,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2021-11-19 13:36:32,146 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2021-11-19 13:36:32,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2021-11-19 13:36:32,146 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-19 13:36:32,146 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-19 13:36:32,147 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2021-11-19 13:36:32,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2021-11-19 13:36:32,147 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2021-11-19 13:36:32,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2021-11-19 13:36:32,147 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-19 13:36:32,147 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-19 13:36:32,147 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2021-11-19 13:36:32,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2021-11-19 13:36:32,148 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2021-11-19 13:36:32,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2021-11-19 13:36:32,148 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2021-11-19 13:36:32,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2021-11-19 13:36:32,148 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2021-11-19 13:36:32,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2021-11-19 13:36:32,148 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-19 13:36:32,148 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-19 13:36:32,148 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-19 13:36:32,149 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-19 13:36:32,149 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2021-11-19 13:36:32,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2021-11-19 13:36:32,149 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2021-11-19 13:36:32,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2021-11-19 13:36:32,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 13:36:32,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 13:36:32,149 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2021-11-19 13:36:32,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2021-11-19 13:36:32,150 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2021-11-19 13:36:32,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2021-11-19 13:36:32,150 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2021-11-19 13:36:32,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2021-11-19 13:36:32,150 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-19 13:36:32,150 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-19 13:36:32,150 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2021-11-19 13:36:32,151 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2021-11-19 13:36:32,151 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2021-11-19 13:36:32,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2021-11-19 13:36:32,151 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2021-11-19 13:36:32,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2021-11-19 13:36:32,151 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2021-11-19 13:36:32,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2021-11-19 13:36:32,151 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-19 13:36:32,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-19 13:36:32,152 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-19 13:36:32,152 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-19 13:36:32,152 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-19 13:36:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2021-11-19 13:36:32,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2021-11-19 13:36:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2021-11-19 13:36:32,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2021-11-19 13:36:32,158 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2021-11-19 13:36:32,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2021-11-19 13:36:32,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 13:36:32,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 13:36:32,159 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-11-19 13:36:32,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-11-19 13:36:32,159 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2021-11-19 13:36:32,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2021-11-19 13:36:32,159 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2021-11-19 13:36:32,160 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2021-11-19 13:36:32,160 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2021-11-19 13:36:32,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2021-11-19 13:36:34,117 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:36:34,125 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:36:34,289 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 13:39:51,524 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 13:40:06,616 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:40:06,664 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:40:06,664 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-19 13:40:06,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:40:06 BoogieIcfgContainer [2021-11-19 13:40:06,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:40:06,675 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:40:06,676 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:40:06,680 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:40:06,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:36:18" (1/3) ... [2021-11-19 13:40:06,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@315eb5c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:40:06, skipping insertion in model container [2021-11-19 13:40:06,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:36:29" (2/3) ... [2021-11-19 13:40:06,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@315eb5c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:40:06, skipping insertion in model container [2021-11-19 13:40:06,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:40:06" (3/3) ... [2021-11-19 13:40:06,684 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2021-11-19 13:40:06,704 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:40:06,705 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-19 13:40:06,809 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 13:40:06,815 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 13:40:06,816 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-19 13:40:06,970 INFO L276 IsEmpty]: Start isEmpty. Operand has 5147 states, 3654 states have (on average 1.3409961685823755) internal successors, (4900), 3718 states have internal predecessors, (4900), 1252 states have call successors, (1252), 239 states have call predecessors, (1252), 238 states have return successors, (1245), 1229 states have call predecessors, (1245), 1245 states have call successors, (1245) [2021-11-19 13:40:07,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-11-19 13:40:07,002 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:40:07,003 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:40:07,004 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 13:40:07,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:40:07,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1314971238, now seen corresponding path program 1 times [2021-11-19 13:40:07,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:40:07,037 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1741931673] [2021-11-19 13:40:07,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:40:07,039 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:40:07,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:40:07,042 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:40:07,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 13:40:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:40:11,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 4787 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:40:11,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:40:12,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2021-11-19 13:40:12,944 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:40:14,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2021-11-19 13:40:14,267 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:40:14,267 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1741931673] [2021-11-19 13:40:14,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1741931673] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:40:14,270 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:40:14,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:40:14,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759161085] [2021-11-19 13:40:14,274 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:40:14,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:40:14,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:40:14,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:40:14,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:40:14,346 INFO L87 Difference]: Start difference. First operand has 5147 states, 3654 states have (on average 1.3409961685823755) internal successors, (4900), 3718 states have internal predecessors, (4900), 1252 states have call successors, (1252), 239 states have call predecessors, (1252), 238 states have return successors, (1245), 1229 states have call predecessors, (1245), 1245 states have call successors, (1245) Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 4 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-19 13:40:17,026 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:41:05,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:41:05,309 INFO L93 Difference]: Finished difference Result 20241 states and 29462 transitions. [2021-11-19 13:41:05,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:41:05,313 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 4 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 226 [2021-11-19 13:41:05,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:41:05,525 INFO L225 Difference]: With dead ends: 20241 [2021-11-19 13:41:05,525 INFO L226 Difference]: Without dead ends: 15113 [2021-11-19 13:41:05,617 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 448 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:41:05,629 INFO L933 BasicCegarLoop]: 9769 mSDtfsCounter, 19227 mSDsluCounter, 11988 mSDsCounter, 0 mSdLazyCounter, 2521 mSolverCounterSat, 2438 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19227 SdHoareTripleChecker+Valid, 21757 SdHoareTripleChecker+Invalid, 4960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2438 IncrementalHoareTripleChecker+Valid, 2521 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.5s IncrementalHoareTripleChecker+Time [2021-11-19 13:41:05,631 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19227 Valid, 21757 Invalid, 4960 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2438 Valid, 2521 Invalid, 1 Unknown, 0 Unchecked, 49.5s Time] [2021-11-19 13:41:05,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15113 states. [2021-11-19 13:41:06,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15113 to 15095. [2021-11-19 13:41:06,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15095 states, 10734 states have (on average 1.3363145146264208) internal successors, (14344), 10922 states have internal predecessors, (14344), 3651 states have call successors, (3651), 708 states have call predecessors, (3651), 707 states have return successors, (3647), 3599 states have call predecessors, (3647), 3647 states have call successors, (3647) [2021-11-19 13:41:07,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15095 states to 15095 states and 21642 transitions. [2021-11-19 13:41:07,168 INFO L78 Accepts]: Start accepts. Automaton has 15095 states and 21642 transitions. Word has length 226 [2021-11-19 13:41:07,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:41:07,174 INFO L470 AbstractCegarLoop]: Abstraction has 15095 states and 21642 transitions. [2021-11-19 13:41:07,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 4 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-19 13:41:07,175 INFO L276 IsEmpty]: Start isEmpty. Operand 15095 states and 21642 transitions. [2021-11-19 13:41:07,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-19 13:41:07,191 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:41:07,192 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:41:07,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 13:41:07,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:41:07,419 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 13:41:07,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:41:07,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1404913797, now seen corresponding path program 1 times [2021-11-19 13:41:07,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:41:07,431 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1349515714] [2021-11-19 13:41:07,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:41:07,431 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:41:07,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:41:07,432 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:41:07,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 13:41:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:41:11,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 4871 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:41:11,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:41:12,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2021-11-19 13:41:12,491 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:41:13,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2021-11-19 13:41:13,384 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:41:13,384 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1349515714] [2021-11-19 13:41:13,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1349515714] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:41:13,384 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:41:13,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 13:41:13,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000496590] [2021-11-19 13:41:13,385 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:41:13,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 13:41:13,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:41:13,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 13:41:13,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:41:13,387 INFO L87 Difference]: Start difference. First operand 15095 states and 21642 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-11-19 13:41:15,795 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:41:17,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:41:17,383 INFO L93 Difference]: Finished difference Result 40176 states and 57598 transitions. [2021-11-19 13:41:17,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:41:17,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 237 [2021-11-19 13:41:17,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:41:17,657 INFO L225 Difference]: With dead ends: 40176 [2021-11-19 13:41:17,658 INFO L226 Difference]: Without dead ends: 25122 [2021-11-19 13:41:17,780 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 471 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:41:17,787 INFO L933 BasicCegarLoop]: 8549 mSDtfsCounter, 7215 mSDsluCounter, 7294 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7215 SdHoareTripleChecker+Valid, 15843 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-19 13:41:17,788 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7215 Valid, 15843 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 21 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2021-11-19 13:41:17,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25122 states. [2021-11-19 13:41:19,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25122 to 25103. [2021-11-19 13:41:19,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25103 states, 17856 states have (on average 1.3361895161290323) internal successors, (23859), 18171 states have internal predecessors, (23859), 6063 states have call successors, (6063), 1182 states have call predecessors, (6063), 1181 states have return successors, (6059), 5974 states have call predecessors, (6059), 6059 states have call successors, (6059) [2021-11-19 13:41:19,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25103 states to 25103 states and 35981 transitions. [2021-11-19 13:41:19,891 INFO L78 Accepts]: Start accepts. Automaton has 25103 states and 35981 transitions. Word has length 237 [2021-11-19 13:41:19,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:41:19,894 INFO L470 AbstractCegarLoop]: Abstraction has 25103 states and 35981 transitions. [2021-11-19 13:41:19,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-11-19 13:41:19,894 INFO L276 IsEmpty]: Start isEmpty. Operand 25103 states and 35981 transitions. [2021-11-19 13:41:19,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-11-19 13:41:19,901 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:41:19,902 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:41:19,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 13:41:20,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:41:20,119 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 13:41:20,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:41:20,119 INFO L85 PathProgramCache]: Analyzing trace with hash 30710706, now seen corresponding path program 1 times [2021-11-19 13:41:20,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:41:20,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1729461918] [2021-11-19 13:41:20,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:41:20,127 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:41:20,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:41:20,128 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:41:20,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 13:41:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:41:24,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 4896 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:41:24,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:41:24,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2021-11-19 13:41:24,998 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:41:25,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2021-11-19 13:41:25,927 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:41:25,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1729461918] [2021-11-19 13:41:25,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1729461918] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:41:25,930 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:41:25,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 13:41:25,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582513845] [2021-11-19 13:41:25,931 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:41:25,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 13:41:25,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:41:25,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 13:41:25,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:41:25,935 INFO L87 Difference]: Start difference. First operand 25103 states and 35981 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, (29), 3 states have call predecessors, (29), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-19 13:41:28,443 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:41:31,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:41:31,843 INFO L93 Difference]: Finished difference Result 65242 states and 93055 transitions. [2021-11-19 13:41:31,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:41:31,844 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, (29), 3 states have call predecessors, (29), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 244 [2021-11-19 13:41:31,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:41:32,271 INFO L225 Difference]: With dead ends: 65242 [2021-11-19 13:41:32,272 INFO L226 Difference]: Without dead ends: 40180 [2021-11-19 13:41:32,362 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 485 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:41:32,364 INFO L933 BasicCegarLoop]: 8145 mSDtfsCounter, 4301 mSDsluCounter, 7199 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4301 SdHoareTripleChecker+Valid, 15344 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:41:32,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4301 Valid, 15344 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 102 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2021-11-19 13:41:32,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40180 states. [2021-11-19 13:41:34,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40180 to 40153. [2021-11-19 13:41:34,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40153 states, 28538 states have (on average 1.3292101759058097) internal successors, (37933), 29056 states have internal predecessors, (37933), 9576 states have call successors, (9576), 2042 states have call predecessors, (9576), 2036 states have return successors, (9572), 9424 states have call predecessors, (9572), 9572 states have call successors, (9572) [2021-11-19 13:41:34,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40153 states to 40153 states and 57081 transitions. [2021-11-19 13:41:34,829 INFO L78 Accepts]: Start accepts. Automaton has 40153 states and 57081 transitions. Word has length 244 [2021-11-19 13:41:34,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:41:34,832 INFO L470 AbstractCegarLoop]: Abstraction has 40153 states and 57081 transitions. [2021-11-19 13:41:34,832 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, (29), 3 states have call predecessors, (29), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-19 13:41:34,833 INFO L276 IsEmpty]: Start isEmpty. Operand 40153 states and 57081 transitions. [2021-11-19 13:41:34,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-11-19 13:41:34,840 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:41:34,840 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:41:34,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 13:41:35,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:41:35,055 INFO L402 AbstractCegarLoop]: === Iteration 4 === 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 13:41:35,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:41:35,055 INFO L85 PathProgramCache]: Analyzing trace with hash 823357194, now seen corresponding path program 1 times [2021-11-19 13:41:35,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:41:35,062 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [708891636] [2021-11-19 13:41:35,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:41:35,066 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:41:35,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:41:35,067 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:41:35,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 13:41:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:41:38,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 4924 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:41:38,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:41:39,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2021-11-19 13:41:39,464 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:41:40,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2021-11-19 13:41:40,414 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:41:40,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [708891636] [2021-11-19 13:41:40,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [708891636] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:41:40,414 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:41:40,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:41:40,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649186900] [2021-11-19 13:41:40,414 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:41:40,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:41:40,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:41:40,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:41:40,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:41:40,416 INFO L87 Difference]: Start difference. First operand 40153 states and 57081 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-19 13:41:42,850 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:42:26,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:42:26,214 INFO L93 Difference]: Finished difference Result 121201 states and 172531 transitions. [2021-11-19 13:42:26,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:42:26,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 245 [2021-11-19 13:42:26,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:42:27,164 INFO L225 Difference]: With dead ends: 121201 [2021-11-19 13:42:27,165 INFO L226 Difference]: Without dead ends: 81089 [2021-11-19 13:42:27,374 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 488 GetRequests, 486 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:42:27,378 INFO L933 BasicCegarLoop]: 16039 mSDtfsCounter, 14406 mSDsluCounter, 11140 mSDsCounter, 0 mSdLazyCounter, 2576 mSolverCounterSat, 1276 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14406 SdHoareTripleChecker+Valid, 27179 SdHoareTripleChecker+Invalid, 3853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1276 IncrementalHoareTripleChecker+Valid, 2576 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:42:27,380 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14406 Valid, 27179 Invalid, 3853 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1276 Valid, 2576 Invalid, 1 Unknown, 0 Unchecked, 43.1s Time] [2021-11-19 13:42:27,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81089 states. [2021-11-19 13:42:31,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81089 to 81043. [2021-11-19 13:42:31,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81043 states, 58071 states have (on average 1.336932375884693) internal successors, (77637), 59115 states have internal predecessors, (77637), 18839 states have call successors, (18839), 4143 states have call predecessors, (18839), 4130 states have return successors, (18835), 18511 states have call predecessors, (18835), 18835 states have call successors, (18835) [2021-11-19 13:42:33,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81043 states to 81043 states and 115311 transitions. [2021-11-19 13:42:33,193 INFO L78 Accepts]: Start accepts. Automaton has 81043 states and 115311 transitions. Word has length 245 [2021-11-19 13:42:33,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:42:33,194 INFO L470 AbstractCegarLoop]: Abstraction has 81043 states and 115311 transitions. [2021-11-19 13:42:33,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-19 13:42:33,195 INFO L276 IsEmpty]: Start isEmpty. Operand 81043 states and 115311 transitions. [2021-11-19 13:42:33,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-11-19 13:42:33,205 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:42:33,207 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 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 13:42:33,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 13:42:33,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:42:33,423 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 13:42:33,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:42:33,423 INFO L85 PathProgramCache]: Analyzing trace with hash -999142336, now seen corresponding path program 1 times [2021-11-19 13:42:33,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:42:33,432 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2099416236] [2021-11-19 13:42:33,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:42:33,433 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:42:33,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:42:33,434 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:42:33,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 13:42:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:42:36,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 4912 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:42:36,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:42:43,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2021-11-19 13:42:43,582 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:42:46,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2021-11-19 13:42:46,266 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:42:46,267 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2099416236] [2021-11-19 13:42:46,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2099416236] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:42:46,267 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:42:46,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-19 13:42:46,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716488491] [2021-11-19 13:42:46,268 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:42:46,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 13:42:46,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:42:46,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 13:42:46,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:42:46,270 INFO L87 Difference]: Start difference. First operand 81043 states and 115311 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (57), 4 states have call predecessors, (57), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-19 13:42:49,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:42:49,445 INFO L93 Difference]: Finished difference Result 81049 states and 115316 transitions. [2021-11-19 13:42:49,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:42:49,445 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (57), 4 states have call predecessors, (57), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 282 [2021-11-19 13:42:49,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:42:50,106 INFO L225 Difference]: With dead ends: 81049 [2021-11-19 13:42:50,108 INFO L226 Difference]: Without dead ends: 81047 [2021-11-19 13:42:50,152 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 565 GetRequests, 557 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:42:50,153 INFO L933 BasicCegarLoop]: 7314 mSDtfsCounter, 7210 mSDsluCounter, 21935 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7213 SdHoareTripleChecker+Valid, 29249 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:42:50,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7213 Valid, 29249 Invalid, 19 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-19 13:42:50,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81047 states. [2021-11-19 13:42:54,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81047 to 81047. [2021-11-19 13:42:54,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81047 states, 58074 states have (on average 1.3369149705548093) internal successors, (77640), 59118 states have internal predecessors, (77640), 18839 states have call successors, (18839), 4144 states have call predecessors, (18839), 4131 states have return successors, (18835), 18511 states have call predecessors, (18835), 18835 states have call successors, (18835) [2021-11-19 13:42:55,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81047 states to 81047 states and 115314 transitions. [2021-11-19 13:42:55,097 INFO L78 Accepts]: Start accepts. Automaton has 81047 states and 115314 transitions. Word has length 282 [2021-11-19 13:42:55,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:42:55,099 INFO L470 AbstractCegarLoop]: Abstraction has 81047 states and 115314 transitions. [2021-11-19 13:42:55,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (57), 4 states have call predecessors, (57), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-19 13:42:55,100 INFO L276 IsEmpty]: Start isEmpty. Operand 81047 states and 115314 transitions. [2021-11-19 13:42:55,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-11-19 13:42:55,115 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:42:55,116 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:42:55,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-19 13:42:55,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:42:55,331 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 13:42:55,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:42:55,331 INFO L85 PathProgramCache]: Analyzing trace with hash 24188718, now seen corresponding path program 1 times [2021-11-19 13:42:55,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:42:55,337 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1046958823] [2021-11-19 13:42:55,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:42:55,337 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:42:55,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:42:55,338 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:42:55,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 13:42:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:42:58,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 4919 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:42:58,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:43:06,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2021-11-19 13:43:06,025 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:43:08,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2021-11-19 13:43:08,804 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:43:08,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1046958823] [2021-11-19 13:43:08,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1046958823] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:43:08,805 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 13:43:08,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2021-11-19 13:43:08,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228272343] [2021-11-19 13:43:08,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:43:08,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:43:08,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:43:08,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:43:08,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:43:08,809 INFO L87 Difference]: Start difference. First operand 81047 states and 115314 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-19 13:43:12,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:43:12,226 INFO L93 Difference]: Finished difference Result 81053 states and 115319 transitions. [2021-11-19 13:43:12,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:43:12,227 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 287 [2021-11-19 13:43:12,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:43:12,935 INFO L225 Difference]: With dead ends: 81053 [2021-11-19 13:43:12,936 INFO L226 Difference]: Without dead ends: 81051 [2021-11-19 13:43:12,979 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 575 GetRequests, 567 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:43:12,981 INFO L933 BasicCegarLoop]: 7317 mSDtfsCounter, 7244 mSDsluCounter, 14623 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7246 SdHoareTripleChecker+Valid, 21940 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:43:12,981 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7246 Valid, 21940 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-19 13:43:13,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81051 states. [2021-11-19 13:43:16,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81051 to 81051. [2021-11-19 13:43:16,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81051 states, 58077 states have (on average 1.33689756702309) internal successors, (77643), 59121 states have internal predecessors, (77643), 18839 states have call successors, (18839), 4145 states have call predecessors, (18839), 4132 states have return successors, (18835), 18511 states have call predecessors, (18835), 18835 states have call successors, (18835) [2021-11-19 13:43:17,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81051 states to 81051 states and 115317 transitions. [2021-11-19 13:43:17,296 INFO L78 Accepts]: Start accepts. Automaton has 81051 states and 115317 transitions. Word has length 287 [2021-11-19 13:43:17,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:43:17,297 INFO L470 AbstractCegarLoop]: Abstraction has 81051 states and 115317 transitions. [2021-11-19 13:43:17,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-19 13:43:17,297 INFO L276 IsEmpty]: Start isEmpty. Operand 81051 states and 115317 transitions. [2021-11-19 13:43:17,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-11-19 13:43:17,344 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:43:17,345 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:43:17,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-19 13:43:17,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:43:17,545 INFO L402 AbstractCegarLoop]: === Iteration 7 === 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 13:43:17,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:43:17,546 INFO L85 PathProgramCache]: Analyzing trace with hash 2086602944, now seen corresponding path program 1 times [2021-11-19 13:43:17,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:43:17,550 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1191854970] [2021-11-19 13:43:17,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:43:17,551 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:43:17,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:43:17,552 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:43:17,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-19 13:43:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:43:20,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 4926 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:43:20,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:43:27,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1649 trivial. 0 not checked. [2021-11-19 13:43:27,080 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:43:29,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1649 trivial. 0 not checked. [2021-11-19 13:43:29,629 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:43:29,629 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1191854970] [2021-11-19 13:43:29,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1191854970] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:43:29,630 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 13:43:29,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2021-11-19 13:43:29,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795030662] [2021-11-19 13:43:29,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:43:29,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:43:29,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:43:29,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:43:29,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:43:29,631 INFO L87 Difference]: Start difference. First operand 81051 states and 115317 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-19 13:43:33,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:43:33,843 INFO L93 Difference]: Finished difference Result 87575 states and 124246 transitions. [2021-11-19 13:43:33,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:43:33,844 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 292 [2021-11-19 13:43:33,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:43:34,420 INFO L225 Difference]: With dead ends: 87575 [2021-11-19 13:43:34,421 INFO L226 Difference]: Without dead ends: 87571 [2021-11-19 13:43:34,469 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 577 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:43:34,471 INFO L933 BasicCegarLoop]: 7488 mSDtfsCounter, 6906 mSDsluCounter, 15737 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6907 SdHoareTripleChecker+Valid, 23225 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-19 13:43:34,471 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6907 Valid, 23225 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-19 13:43:34,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87571 states. [2021-11-19 13:43:38,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87571 to 87571. [2021-11-19 13:43:38,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87571 states, 62641 states have (on average 1.3380373876534537) internal successors, (83816), 63728 states have internal predecessors, (83816), 20215 states have call successors, (20215), 4726 states have call predecessors, (20215), 4712 states have return successors, (20211), 19865 states have call predecessors, (20211), 20211 states have call successors, (20211) [2021-11-19 13:43:39,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87571 states to 87571 states and 124242 transitions. [2021-11-19 13:43:39,122 INFO L78 Accepts]: Start accepts. Automaton has 87571 states and 124242 transitions. Word has length 292 [2021-11-19 13:43:39,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:43:39,123 INFO L470 AbstractCegarLoop]: Abstraction has 87571 states and 124242 transitions. [2021-11-19 13:43:39,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-19 13:43:39,124 INFO L276 IsEmpty]: Start isEmpty. Operand 87571 states and 124242 transitions. [2021-11-19 13:43:39,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2021-11-19 13:43:39,137 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:43:39,138 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 5, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:43:39,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-19 13:43:39,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:43:39,363 INFO L402 AbstractCegarLoop]: === Iteration 8 === 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 13:43:39,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:43:39,364 INFO L85 PathProgramCache]: Analyzing trace with hash -728095140, now seen corresponding path program 1 times [2021-11-19 13:43:39,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:43:39,370 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2143593992] [2021-11-19 13:43:39,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:43:39,370 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:43:39,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:43:39,372 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:43:39,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a8c2d3-3f46-454b-8108-102ac872aa26/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-19 13:43:42,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:43:42,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 4981 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:43:42,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:43:44,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1675 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 1582 trivial. 0 not checked. [2021-11-19 13:43:44,157 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:43:45,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1675 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1663 trivial. 0 not checked. [2021-11-19 13:43:45,030 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:43:45,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2143593992] [2021-11-19 13:43:45,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2143593992] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:43:45,030 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:43:45,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:43:45,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950387135] [2021-11-19 13:43:45,031 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:43:45,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:43:45,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:43:45,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:43:45,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:43:45,032 INFO L87 Difference]: Start difference. First operand 87571 states and 124242 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 4 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2021-11-19 13:43:47,501 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:44:26,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:44:26,152 INFO L93 Difference]: Finished difference Result 260786 states and 370093 transitions. [2021-11-19 13:44:26,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:44:26,153 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 4 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 309 [2021-11-19 13:44:26,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:44:27,193 INFO L225 Difference]: With dead ends: 260786 [2021-11-19 13:44:27,193 INFO L226 Difference]: Without dead ends: 173849 [2021-11-19 13:44:27,457 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 616 GetRequests, 614 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:44:27,458 INFO L933 BasicCegarLoop]: 10482 mSDtfsCounter, 14448 mSDsluCounter, 13204 mSDsCounter, 0 mSdLazyCounter, 2516 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14448 SdHoareTripleChecker+Valid, 23686 SdHoareTripleChecker+Invalid, 2530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2516 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:44:27,458 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14448 Valid, 23686 Invalid, 2530 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 2516 Invalid, 1 Unknown, 0 Unchecked, 34.4s Time] [2021-11-19 13:44:27,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173849 states.