./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.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_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/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_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/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_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/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 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:29:06,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:29:06,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:29:06,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:29:06,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:29:06,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:29:06,407 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:29:06,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:29:06,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:29:06,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:29:06,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:29:06,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:29:06,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:29:06,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:29:06,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:29:06,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:29:06,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:29:06,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:29:06,428 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:29:06,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:29:06,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:29:06,435 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:29:06,437 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:29:06,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:29:06,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:29:06,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:29:06,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:29:06,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:29:06,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:29:06,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:29:06,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:29:06,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:29:06,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:29:06,456 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:29:06,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:29:06,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:29:06,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:29:06,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:29:06,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:29:06,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:29:06,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:29:06,465 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 13:29:06,525 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:29:06,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:29:06,527 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:29:06,527 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:29:06,528 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:29:06,528 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:29:06,528 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:29:06,528 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:29:06,536 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:29:06,537 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:29:06,537 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:29:06,537 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:29:06,537 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:29:06,538 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:29:06,538 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:29:06,538 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:29:06,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:29:06,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:29:06,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:29:06,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:29:06,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:29:06,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:29:06,540 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:29:06,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:29:06,541 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:29:06,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:29:06,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:29:06,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:29:06,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:29:06,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:29:06,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:29:06,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:29:06,545 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:29:06,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:29:06,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:29:06,546 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:29:06,546 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:29:06,547 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_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 [2021-11-19 13:29:06,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:29:06,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:29:06,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:29:06,900 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:29:06,901 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:29:06,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-11-19 13:29:06,994 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/data/a1b3a10f4/24ecc8904fc04f35944ef8f3131461e8/FLAG64369cbc4 [2021-11-19 13:29:08,198 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:29:08,199 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-11-19 13:29:08,321 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/data/a1b3a10f4/24ecc8904fc04f35944ef8f3131461e8/FLAG64369cbc4 [2021-11-19 13:29:08,370 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/data/a1b3a10f4/24ecc8904fc04f35944ef8f3131461e8 [2021-11-19 13:29:08,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:29:08,377 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:29:08,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:29:08,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:29:08,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:29:08,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:29:08" (1/1) ... [2021-11-19 13:29:08,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7556b94f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:08, skipping insertion in model container [2021-11-19 13:29:08,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:29:08" (1/1) ... [2021-11-19 13:29:08,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:29:08,647 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:29:11,544 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 13:29:11,612 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 13:29:11,613 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 13:29:11,811 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 13:29:11,818 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 13:29:11,956 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 13:29:11,964 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 13:29:14,342 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_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460236,460249] [2021-11-19 13:29:14,352 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_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460405,460418] [2021-11-19 13:29:14,354 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_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460572,460585] [2021-11-19 13:29:14,356 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_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460740,460753] [2021-11-19 13:29:14,393 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:29:14,532 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 13:29:14,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@70c01c19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:14, skipping insertion in model container [2021-11-19 13:29:14,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:29:14,534 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 13:29:14,539 INFO L158 Benchmark]: Toolchain (without parser) took 6159.00ms. Allocated memory was 104.9MB in the beginning and 151.0MB in the end (delta: 46.1MB). Free memory was 70.3MB in the beginning and 59.8MB in the end (delta: 10.5MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. [2021-11-19 13:29:14,540 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 81.8MB. Free memory was 53.2MB in the beginning and 53.1MB in the end (delta: 32.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:29:14,542 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6153.35ms. Allocated memory was 104.9MB in the beginning and 151.0MB in the end (delta: 46.1MB). Free memory was 69.9MB in the beginning and 59.8MB in the end (delta: 10.1MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. [2021-11-19 13:29:14,545 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 81.8MB. Free memory was 53.2MB in the beginning and 53.1MB in the end (delta: 32.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6153.35ms. Allocated memory was 104.9MB in the beginning and 151.0MB in the end (delta: 46.1MB). Free memory was 69.9MB in the beginning and 59.8MB in the end (delta: 10.1MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7571]: 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_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/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_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/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_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/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 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:29:16,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:29:16,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:29:17,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:29:17,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:29:17,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:29:17,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:29:17,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:29:17,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:29:17,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:29:17,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:29:17,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:29:17,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:29:17,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:29:17,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:29:17,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:29:17,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:29:17,087 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:29:17,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:29:17,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:29:17,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:29:17,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:29:17,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:29:17,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:29:17,110 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:29:17,111 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:29:17,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:29:17,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:29:17,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:29:17,125 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:29:17,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:29:17,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:29:17,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:29:17,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:29:17,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:29:17,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:29:17,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:29:17,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:29:17,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:29:17,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:29:17,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:29:17,137 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 13:29:17,174 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:29:17,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:29:17,178 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:29:17,179 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:29:17,179 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:29:17,180 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:29:17,180 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:29:17,180 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:29:17,180 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:29:17,181 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:29:17,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:29:17,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:29:17,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:29:17,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:29:17,185 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:29:17,185 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:29:17,186 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 13:29:17,186 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 13:29:17,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:29:17,186 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:29:17,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:29:17,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:29:17,187 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 13:29:17,188 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:29:17,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:29:17,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:29:17,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:29:17,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:29:17,189 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 13:29:17,190 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 13:29:17,190 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:29:17,190 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:29:17,190 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:29:17,191 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_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 [2021-11-19 13:29:17,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:29:17,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:29:17,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:29:17,703 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:29:17,705 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:29:17,707 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-11-19 13:29:17,814 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/data/e620ea3d5/b1de5196a5414cf1ae3f24bcfc4d43e3/FLAG15d0c5d43 [2021-11-19 13:29:19,018 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:29:19,020 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-11-19 13:29:19,097 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/data/e620ea3d5/b1de5196a5414cf1ae3f24bcfc4d43e3/FLAG15d0c5d43 [2021-11-19 13:29:19,229 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/data/e620ea3d5/b1de5196a5414cf1ae3f24bcfc4d43e3 [2021-11-19 13:29:19,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:29:19,236 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:29:19,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:29:19,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:29:19,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:29:19,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:29:19" (1/1) ... [2021-11-19 13:29:19,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d47ef9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:19, skipping insertion in model container [2021-11-19 13:29:19,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:29:19" (1/1) ... [2021-11-19 13:29:19,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:29:19,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:29:25,285 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_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460236,460249] [2021-11-19 13:29:25,288 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_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460405,460418] [2021-11-19 13:29:25,289 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_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460572,460585] [2021-11-19 13:29:25,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460740,460753] [2021-11-19 13:29:25,323 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:29:25,450 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 13:29:25,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:29:26,185 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_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460236,460249] [2021-11-19 13:29:26,186 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_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460405,460418] [2021-11-19 13:29:26,187 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_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460572,460585] [2021-11-19 13:29:26,187 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_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460740,460753] [2021-11-19 13:29:26,197 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:29:26,302 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:29:26,887 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_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460236,460249] [2021-11-19 13:29:26,888 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_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460405,460418] [2021-11-19 13:29:26,889 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_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460572,460585] [2021-11-19 13:29:26,889 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_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460740,460753] [2021-11-19 13:29:26,903 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:29:27,483 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:29:27,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:27 WrapperNode [2021-11-19 13:29:27,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:29:27,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:29:27,486 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:29:27,486 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:29:27,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:27" (1/1) ... [2021-11-19 13:29:27,708 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:27" (1/1) ... [2021-11-19 13:29:28,100 INFO L137 Inliner]: procedures = 690, calls = 4362, calls flagged for inlining = 337, calls inlined = 299, statements flattened = 8275 [2021-11-19 13:29:28,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:29:28,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:29:28,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:29:28,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:29:28,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:27" (1/1) ... [2021-11-19 13:29:28,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:27" (1/1) ... [2021-11-19 13:29:28,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:27" (1/1) ... [2021-11-19 13:29:28,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:27" (1/1) ... [2021-11-19 13:29:28,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:27" (1/1) ... [2021-11-19 13:29:28,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:27" (1/1) ... [2021-11-19 13:29:28,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:27" (1/1) ... [2021-11-19 13:29:28,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:29:28,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:29:28,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:29:28,576 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:29:28,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:27" (1/1) ... [2021-11-19 13:29:28,586 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:29:28,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:29:28,615 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:29:28,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:29:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-19 13:29:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-19 13:29:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 13:29:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 13:29:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-11-19 13:29:28,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-11-19 13:29:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2021-11-19 13:29:28,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2021-11-19 13:29:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 13:29:28,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 13:29:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2021-11-19 13:29:28,678 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2021-11-19 13:29:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2021-11-19 13:29:28,678 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2021-11-19 13:29:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-11-19 13:29:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-11-19 13:29:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2021-11-19 13:29:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2021-11-19 13:29:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2021-11-19 13:29:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2021-11-19 13:29:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 13:29:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 13:29:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-19 13:29:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-19 13:29:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2021-11-19 13:29:28,681 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2021-11-19 13:29:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 13:29:28,682 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 13:29:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-19 13:29:28,682 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-19 13:29:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2021-11-19 13:29:28,683 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2021-11-19 13:29:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2021-11-19 13:29:28,683 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2021-11-19 13:29:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2021-11-19 13:29:28,684 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2021-11-19 13:29:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 13:29:28,684 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 13:29:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2021-11-19 13:29:28,685 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2021-11-19 13:29:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-19 13:29:28,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-19 13:29:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2021-11-19 13:29:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2021-11-19 13:29:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-19 13:29:28,688 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-19 13:29:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 13:29:28,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 13:29:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-19 13:29:28,688 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-19 13:29:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-19 13:29:28,689 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-19 13:29:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2021-11-19 13:29:28,690 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2021-11-19 13:29:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2021-11-19 13:29:28,690 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2021-11-19 13:29:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 13:29:28,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 13:29:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2021-11-19 13:29:28,691 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2021-11-19 13:29:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-19 13:29:28,691 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-19 13:29:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:29:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-19 13:29:28,693 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-19 13:29:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2021-11-19 13:29:28,693 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2021-11-19 13:29:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 13:29:28,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 13:29:28,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 13:29:28,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_62 [2021-11-19 13:29:28,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_62 [2021-11-19 13:29:28,694 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-19 13:29:28,695 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-19 13:29:28,695 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-19 13:29:28,696 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-19 13:29:28,696 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2021-11-19 13:29:28,696 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2021-11-19 13:29:28,696 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-11-19 13:29:28,697 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2021-11-19 13:29:28,697 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2021-11-19 13:29:28,698 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 13:29:28,698 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 13:29:28,698 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-19 13:29:28,698 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-19 13:29:28,699 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2021-11-19 13:29:28,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2021-11-19 13:29:28,699 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2021-11-19 13:29:28,699 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2021-11-19 13:29:28,699 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 13:29:28,699 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 13:29:28,700 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2021-11-19 13:29:28,700 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2021-11-19 13:29:28,700 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-19 13:29:28,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-19 13:29:28,701 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2021-11-19 13:29:28,701 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2021-11-19 13:29:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 13:29:28,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 13:29:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-19 13:29:28,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-19 13:29:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-19 13:29:28,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-19 13:29:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 13:29:28,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 13:29:28,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-19 13:29:28,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-19 13:29:28,709 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2021-11-19 13:29:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2021-11-19 13:29:28,711 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2021-11-19 13:29:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2021-11-19 13:29:28,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 13:29:28,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 13:29:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 13:29:28,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 13:29:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2021-11-19 13:29:28,718 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2021-11-19 13:29:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2021-11-19 13:29:28,718 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2021-11-19 13:29:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-19 13:29:28,719 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-19 13:29:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-19 13:29:28,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-19 13:29:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 13:29:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-19 13:29:28,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-19 13:29:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-19 13:29:28,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-19 13:29:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-19 13:29:28,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-19 13:29:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2021-11-19 13:29:28,721 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2021-11-19 13:29:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-19 13:29:28,721 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-19 13:29:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2021-11-19 13:29:28,722 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2021-11-19 13:29:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:29:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-19 13:29:28,722 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-19 13:29:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 13:29:28,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 13:29:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 13:29:28,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 13:29:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 13:29:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 13:29:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2021-11-19 13:29:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2021-11-19 13:29:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 13:29:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2021-11-19 13:29:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2021-11-19 13:29:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 13:29:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2021-11-19 13:29:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2021-11-19 13:29:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 13:29:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 13:29:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 13:29:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-19 13:29:28,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-19 13:29:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2021-11-19 13:29:28,726 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2021-11-19 13:29:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2021-11-19 13:29:28,727 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2021-11-19 13:29:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2021-11-19 13:29:28,727 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2021-11-19 13:29:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2021-11-19 13:29:28,727 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2021-11-19 13:29:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2021-11-19 13:29:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2021-11-19 13:29:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-19 13:29:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-19 13:29:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-19 13:29:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-19 13:29:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-19 13:29:28,729 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-19 13:29:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 13:29:28,729 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 13:29:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2021-11-19 13:29:28,729 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2021-11-19 13:29:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-19 13:29:28,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-19 13:29:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-19 13:29:28,730 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-19 13:29:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2021-11-19 13:29:28,730 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2021-11-19 13:29:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-19 13:29:28,731 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-19 13:29:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 13:29:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2021-11-19 13:29:28,731 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2021-11-19 13:29:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:29:28,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:29:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-19 13:29:28,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-19 13:29:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2021-11-19 13:29:28,732 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2021-11-19 13:29:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 13:29:28,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 13:29:28,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 13:29:28,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 13:29:28,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 13:29:28,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 13:29:28,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 13:29:28,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 13:29:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-11-19 13:29:28,734 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-11-19 13:29:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 13:29:28,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 13:29:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-19 13:29:28,735 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-19 13:29:28,735 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-19 13:29:28,735 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-19 13:29:28,735 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-19 13:29:28,735 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2021-11-19 13:29:28,736 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2021-11-19 13:29:28,736 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-19 13:29:28,736 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-19 13:29:28,736 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-19 13:29:28,736 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-19 13:29:28,736 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2021-11-19 13:29:28,737 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2021-11-19 13:29:28,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-19 13:29:28,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-19 13:29:28,737 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-11-19 13:29:28,737 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-11-19 13:29:28,737 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2021-11-19 13:29:28,738 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2021-11-19 13:29:28,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 13:29:28,738 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 13:29:28,738 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2021-11-19 13:29:28,738 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2021-11-19 13:29:28,740 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2021-11-19 13:29:28,744 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2021-11-19 13:29:28,744 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-19 13:29:28,744 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-19 13:29:28,745 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-19 13:29:28,745 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-19 13:29:28,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-19 13:29:28,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-19 13:29:28,745 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-19 13:29:28,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-19 13:29:28,746 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-19 13:29:28,750 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-19 13:29:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-19 13:29:28,751 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-19 13:29:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:29:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 13:29:28,751 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 13:29:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2021-11-19 13:29:28,751 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2021-11-19 13:29:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2021-11-19 13:29:28,752 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2021-11-19 13:29:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-19 13:29:28,752 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-19 13:29:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2021-11-19 13:29:28,752 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2021-11-19 13:29:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-19 13:29:28,753 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-19 13:29:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 13:29:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_lock_of_alx_priv [2021-11-19 13:29:28,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_lock_of_alx_priv [2021-11-19 13:29:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 13:29:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 13:29:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 13:29:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 13:29:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 13:29:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2021-11-19 13:29:28,754 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2021-11-19 13:29:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-19 13:29:28,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-19 13:29:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2021-11-19 13:29:28,755 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2021-11-19 13:29:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-19 13:29:28,755 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-19 13:29:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-19 13:29:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-19 13:29:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 13:29:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 13:29:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-19 13:29:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-19 13:29:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 13:29:28,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 13:29:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-19 13:29:28,757 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-19 13:29:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2021-11-19 13:29:28,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2021-11-19 13:29:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2021-11-19 13:29:28,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2021-11-19 13:29:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-11-19 13:29:28,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-11-19 13:29:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-19 13:29:28,758 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-19 13:29:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-19 13:29:28,758 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-19 13:29:28,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_63 [2021-11-19 13:29:28,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_63 [2021-11-19 13:29:28,759 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 13:29:28,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 13:29:28,759 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2021-11-19 13:29:28,759 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2021-11-19 13:29:28,760 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-19 13:29:28,760 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-19 13:29:28,760 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2021-11-19 13:29:28,760 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2021-11-19 13:29:28,760 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 13:29:28,760 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 13:29:28,761 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2021-11-19 13:29:28,761 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2021-11-19 13:29:28,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 13:29:28,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 13:29:28,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 13:29:28,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 13:29:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 13:29:28,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 13:29:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2021-11-19 13:29:28,762 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2021-11-19 13:29:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2021-11-19 13:29:28,762 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2021-11-19 13:29:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2021-11-19 13:29:28,763 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2021-11-19 13:29:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2021-11-19 13:29:28,763 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2021-11-19 13:29:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-19 13:29:28,763 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-19 13:29:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2021-11-19 13:29:28,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2021-11-19 13:29:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-19 13:29:28,764 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-19 13:29:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-11-19 13:29:28,764 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-11-19 13:29:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2021-11-19 13:29:28,765 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2021-11-19 13:29:28,765 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2021-11-19 13:29:28,765 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2021-11-19 13:29:28,765 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2021-11-19 13:29:28,765 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2021-11-19 13:29:28,765 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2021-11-19 13:29:28,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2021-11-19 13:29:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_89 [2021-11-19 13:29:28,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_89 [2021-11-19 13:29:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2021-11-19 13:29:28,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2021-11-19 13:29:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-19 13:29:28,768 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-19 13:29:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-19 13:29:28,768 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-19 13:29:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 13:29:28,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 13:29:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-19 13:29:28,769 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-19 13:29:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-19 13:29:28,769 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-19 13:29:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2021-11-19 13:29:28,770 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2021-11-19 13:29:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2021-11-19 13:29:28,770 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2021-11-19 13:29:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-11-19 13:29:28,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-11-19 13:29:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-19 13:29:28,771 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-19 13:29:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-11-19 13:29:28,771 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-11-19 13:29:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-19 13:29:28,771 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-19 13:29:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 13:29:28,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 13:29:28,772 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2021-11-19 13:29:28,772 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2021-11-19 13:29:28,772 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2021-11-19 13:29:28,773 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2021-11-19 13:29:30,162 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:29:30,173 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:29:30,295 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 13:30:16,210 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 13:30:16,796 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:30:16,827 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:30:16,827 INFO L301 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-19 13:30:16,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:30:16 BoogieIcfgContainer [2021-11-19 13:30:16,836 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:30:16,839 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:30:16,839 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:30:16,842 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:30:16,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:29:19" (1/3) ... [2021-11-19 13:30:16,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6449c2f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:30:16, skipping insertion in model container [2021-11-19 13:30:16,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:27" (2/3) ... [2021-11-19 13:30:16,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6449c2f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:30:16, skipping insertion in model container [2021-11-19 13:30:16,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:30:16" (3/3) ... [2021-11-19 13:30:16,846 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-11-19 13:30:16,853 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:30:16,853 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-19 13:30:16,928 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 13:30:16,936 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 13:30:16,936 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-19 13:30:17,032 INFO L276 IsEmpty]: Start isEmpty. Operand has 3111 states, 2078 states have (on average 1.269971126082772) internal successors, (2639), 2124 states have internal predecessors, (2639), 866 states have call successors, (866), 168 states have call predecessors, (866), 167 states have return successors, (857), 842 states have call predecessors, (857), 857 states have call successors, (857) [2021-11-19 13:30:17,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-19 13:30:17,059 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:30:17,060 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:30:17,060 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 13:30:17,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:30:17,066 INFO L85 PathProgramCache]: Analyzing trace with hash -681699794, now seen corresponding path program 1 times [2021-11-19 13:30:17,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:30:17,100 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1644197801] [2021-11-19 13:30:17,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:30:17,101 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:30:17,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:30:17,106 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:30:17,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 13:30:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:30:19,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 2864 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:30:19,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:30:20,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2021-11-19 13:30:20,647 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:30:21,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-19 13:30:21,439 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:30:21,439 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1644197801] [2021-11-19 13:30:21,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1644197801] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:30:21,442 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:30:21,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:30:21,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980045829] [2021-11-19 13:30:21,446 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:30:21,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:30:21,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:30:21,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:30:21,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:30:21,518 INFO L87 Difference]: Start difference. First operand has 3111 states, 2078 states have (on average 1.269971126082772) internal successors, (2639), 2124 states have internal predecessors, (2639), 866 states have call successors, (866), 168 states have call predecessors, (866), 167 states have return successors, (857), 842 states have call predecessors, (857), 857 states have call successors, (857) Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 4 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-19 13:30:23,906 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 13:30:39,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:30:39,384 INFO L93 Difference]: Finished difference Result 12011 states and 17360 transitions. [2021-11-19 13:30:39,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:30:39,387 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 4 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) Word has length 204 [2021-11-19 13:30:39,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:30:39,504 INFO L225 Difference]: With dead ends: 12011 [2021-11-19 13:30:39,504 INFO L226 Difference]: Without dead ends: 8914 [2021-11-19 13:30:39,543 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:30:39,547 INFO L933 BasicCegarLoop]: 5894 mSDtfsCounter, 10766 mSDsluCounter, 6630 mSDsCounter, 0 mSdLazyCounter, 1725 mSolverCounterSat, 1620 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10766 SdHoareTripleChecker+Valid, 12524 SdHoareTripleChecker+Invalid, 3346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1620 IncrementalHoareTripleChecker+Valid, 1725 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:30:39,548 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10766 Valid, 12524 Invalid, 3346 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1620 Valid, 1725 Invalid, 1 Unknown, 0 Unchecked, 16.7s Time] [2021-11-19 13:30:39,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8914 states. [2021-11-19 13:30:40,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8914 to 8883. [2021-11-19 13:30:40,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8883 states, 5957 states have (on average 1.25801577975491) internal successors, (7494), 6076 states have internal predecessors, (7494), 2432 states have call successors, (2432), 492 states have call predecessors, (2432), 491 states have return successors, (2428), 2395 states have call predecessors, (2428), 2428 states have call successors, (2428) [2021-11-19 13:30:40,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8883 states to 8883 states and 12354 transitions. [2021-11-19 13:30:40,501 INFO L78 Accepts]: Start accepts. Automaton has 8883 states and 12354 transitions. Word has length 204 [2021-11-19 13:30:40,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:30:40,504 INFO L470 AbstractCegarLoop]: Abstraction has 8883 states and 12354 transitions. [2021-11-19 13:30:40,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 4 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-19 13:30:40,505 INFO L276 IsEmpty]: Start isEmpty. Operand 8883 states and 12354 transitions. [2021-11-19 13:30:40,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-19 13:30:40,513 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:30:40,514 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:30:40,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 13:30:40,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:30:40,730 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 13:30:40,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:30:40,731 INFO L85 PathProgramCache]: Analyzing trace with hash 825198181, now seen corresponding path program 1 times [2021-11-19 13:30:40,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:30:40,735 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [720927006] [2021-11-19 13:30:40,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:30:40,736 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:30:40,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:30:40,738 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:30:40,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 13:30:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:30:43,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 2905 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:30:43,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:30:44,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2021-11-19 13:30:44,128 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:30:44,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-19 13:30:44,737 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:30:44,737 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [720927006] [2021-11-19 13:30:44,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [720927006] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:30:44,737 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:30:44,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:30:44,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291547739] [2021-11-19 13:30:44,738 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:30:44,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:30:44,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:30:44,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:30:44,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:30:44,741 INFO L87 Difference]: Start difference. First operand 8883 states and 12354 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 4 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-19 13:30:47,002 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:30:58,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:30:58,765 INFO L93 Difference]: Finished difference Result 32244 states and 44685 transitions. [2021-11-19 13:30:58,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:30:58,766 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 4 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) Word has length 206 [2021-11-19 13:30:58,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:30:59,012 INFO L225 Difference]: With dead ends: 32244 [2021-11-19 13:30:59,012 INFO L226 Difference]: Without dead ends: 23398 [2021-11-19 13:30:59,070 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 408 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:30:59,072 INFO L933 BasicCegarLoop]: 5592 mSDtfsCounter, 7442 mSDsluCounter, 6952 mSDsCounter, 0 mSdLazyCounter, 1758 mSolverCounterSat, 38 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7442 SdHoareTripleChecker+Valid, 12544 SdHoareTripleChecker+Invalid, 1797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1758 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:30:59,072 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7442 Valid, 12544 Invalid, 1797 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [38 Valid, 1758 Invalid, 1 Unknown, 0 Unchecked, 12.7s Time] [2021-11-19 13:30:59,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23398 states. [2021-11-19 13:31:00,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23398 to 23326. [2021-11-19 13:31:00,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23326 states, 15501 states have (on average 1.2559189729694857) internal successors, (19468), 15830 states have internal predecessors, (19468), 6396 states have call successors, (6396), 1433 states have call predecessors, (6396), 1426 states have return successors, (6404), 6269 states have call predecessors, (6404), 6392 states have call successors, (6404) [2021-11-19 13:31:01,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23326 states to 23326 states and 32268 transitions. [2021-11-19 13:31:01,046 INFO L78 Accepts]: Start accepts. Automaton has 23326 states and 32268 transitions. Word has length 206 [2021-11-19 13:31:01,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:31:01,048 INFO L470 AbstractCegarLoop]: Abstraction has 23326 states and 32268 transitions. [2021-11-19 13:31:01,049 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 4 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-19 13:31:01,049 INFO L276 IsEmpty]: Start isEmpty. Operand 23326 states and 32268 transitions. [2021-11-19 13:31:01,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-19 13:31:01,056 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:31:01,056 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:31:01,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 13:31:01,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:31:01,270 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 13:31:01,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:31:01,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1052481961, now seen corresponding path program 1 times [2021-11-19 13:31:01,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:31:01,402 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [856276263] [2021-11-19 13:31:01,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:31:01,402 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:31:01,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:31:01,418 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:31:01,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 13:31:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:31:03,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 2932 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:31:03,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:31:04,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2021-11-19 13:31:04,550 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:31:05,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-19 13:31:05,230 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:31:05,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [856276263] [2021-11-19 13:31:05,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [856276263] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:31:05,235 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:31:05,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:31:05,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238014486] [2021-11-19 13:31:05,236 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:05,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:31:05,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:31:05,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:31:05,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:31:05,238 INFO L87 Difference]: Start difference. First operand 23326 states and 32268 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 4 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2021-11-19 13:31:07,551 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 13:31:22,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:31:22,055 INFO L93 Difference]: Finished difference Result 92815 states and 129498 transitions. [2021-11-19 13:31:22,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:31:22,055 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 4 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 216 [2021-11-19 13:31:22,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:31:22,703 INFO L225 Difference]: With dead ends: 92815 [2021-11-19 13:31:22,703 INFO L226 Difference]: Without dead ends: 69526 [2021-11-19 13:31:22,854 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 428 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:31:22,858 INFO L933 BasicCegarLoop]: 7129 mSDtfsCounter, 10443 mSDsluCounter, 6739 mSDsCounter, 0 mSdLazyCounter, 1701 mSolverCounterSat, 1591 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10443 SdHoareTripleChecker+Valid, 13868 SdHoareTripleChecker+Invalid, 3293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1591 IncrementalHoareTripleChecker+Valid, 1701 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:31:22,859 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10443 Valid, 13868 Invalid, 3293 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1591 Valid, 1701 Invalid, 1 Unknown, 0 Unchecked, 14.4s Time] [2021-11-19 13:31:23,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69526 states. [2021-11-19 13:31:28,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69526 to 69430. [2021-11-19 13:31:28,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69430 states, 46197 states have (on average 1.2556226594800528) internal successors, (58006), 47162 states have internal predecessors, (58006), 18972 states have call successors, (18972), 4277 states have call predecessors, (18972), 4258 states have return successors, (20120), 18611 states have call predecessors, (20120), 18968 states have call successors, (20120) [2021-11-19 13:31:29,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69430 states to 69430 states and 97098 transitions. [2021-11-19 13:31:29,120 INFO L78 Accepts]: Start accepts. Automaton has 69430 states and 97098 transitions. Word has length 216 [2021-11-19 13:31:29,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:31:29,121 INFO L470 AbstractCegarLoop]: Abstraction has 69430 states and 97098 transitions. [2021-11-19 13:31:29,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 4 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2021-11-19 13:31:29,122 INFO L276 IsEmpty]: Start isEmpty. Operand 69430 states and 97098 transitions. [2021-11-19 13:31:29,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-11-19 13:31:29,128 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:31:29,129 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:31:29,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 13:31:29,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:31:29,354 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 13:31:29,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:31:29,355 INFO L85 PathProgramCache]: Analyzing trace with hash -451934688, now seen corresponding path program 1 times [2021-11-19 13:31:29,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:31:29,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1587946586] [2021-11-19 13:31:29,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:31:29,358 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:31:29,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:31:29,359 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:31:29,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 13:31:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:31:31,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 2936 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:31:31,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:31:32,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2021-11-19 13:31:32,530 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:31:33,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-19 13:31:33,160 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:31:33,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1587946586] [2021-11-19 13:31:33,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1587946586] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:31:33,161 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:31:33,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:31:33,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489343164] [2021-11-19 13:31:33,162 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:33,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:31:33,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:31:33,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:31:33,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:31:33,165 INFO L87 Difference]: Start difference. First operand 69430 states and 97098 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 4 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2021-11-19 13:31:35,461 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:31:52,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:31:52,142 INFO L93 Difference]: Finished difference Result 275299 states and 389532 transitions. [2021-11-19 13:31:52,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:31:52,143 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 4 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 217 [2021-11-19 13:31:52,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:31:54,343 INFO L225 Difference]: With dead ends: 275299 [2021-11-19 13:31:54,343 INFO L226 Difference]: Without dead ends: 205906 [2021-11-19 13:31:54,949 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 430 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:31:54,950 INFO L933 BasicCegarLoop]: 6980 mSDtfsCounter, 8349 mSDsluCounter, 9814 mSDsCounter, 0 mSdLazyCounter, 1673 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8349 SdHoareTripleChecker+Valid, 16794 SdHoareTripleChecker+Invalid, 1689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1673 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2021-11-19 13:31:54,951 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8349 Valid, 16794 Invalid, 1689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1673 Invalid, 1 Unknown, 0 Unchecked, 10.9s Time] [2021-11-19 13:31:55,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205906 states. [2021-11-19 13:32:06,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205906 to 205738. [2021-11-19 13:32:06,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205738 states, 136977 states have (on average 1.2563861086167751) internal successors, (172096), 139898 states have internal predecessors, (172096), 56232 states have call successors, (56232), 12665 states have call predecessors, (56232), 12526 states have return successors, (63776), 55037 states have call predecessors, (63776), 56228 states have call successors, (63776) [2021-11-19 13:32:09,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205738 states to 205738 states and 292104 transitions. [2021-11-19 13:32:09,281 INFO L78 Accepts]: Start accepts. Automaton has 205738 states and 292104 transitions. Word has length 217 [2021-11-19 13:32:09,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:32:09,282 INFO L470 AbstractCegarLoop]: Abstraction has 205738 states and 292104 transitions. [2021-11-19 13:32:09,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 4 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2021-11-19 13:32:09,283 INFO L276 IsEmpty]: Start isEmpty. Operand 205738 states and 292104 transitions. [2021-11-19 13:32:09,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-19 13:32:09,290 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:32:09,290 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:32:09,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 13:32:09,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:32:09,506 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 13:32:09,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:32:09,506 INFO L85 PathProgramCache]: Analyzing trace with hash 902212664, now seen corresponding path program 1 times [2021-11-19 13:32:09,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:32:09,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1698625985] [2021-11-19 13:32:09,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:32:09,510 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:32:09,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:32:09,511 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:32:09,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1bcdc2-2f49-4df0-a0f3-6161fe54dac7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 13:32:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:32:11,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 2963 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:32:11,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:32:12,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2021-11-19 13:32:12,450 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:32:13,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-19 13:32:13,037 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:32:13,037 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1698625985] [2021-11-19 13:32:13,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1698625985] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:32:13,037 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:32:13,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:32:13,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598398617] [2021-11-19 13:32:13,038 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:32:13,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:32:13,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:32:13,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:32:13,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:32:13,039 INFO L87 Difference]: Start difference. First operand 205738 states and 292104 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 4 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-19 13:32:15,287 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 []