./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/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_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF --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-63182f1 [2021-11-13 02:38:14,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:38:14,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:38:14,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:38:14,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:38:14,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:38:14,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:38:14,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:38:14,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:38:14,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:38:14,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:38:14,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:38:14,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:38:14,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:38:14,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:38:14,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:38:14,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:38:14,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:38:14,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:38:14,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:38:14,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:38:14,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:38:14,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:38:14,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:38:14,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:38:14,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:38:14,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:38:14,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:38:14,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:38:14,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:38:14,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:38:14,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:38:14,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:38:14,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:38:14,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:38:14,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:38:14,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:38:14,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:38:14,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:38:14,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:38:14,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:38:14,753 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-13 02:38:14,784 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:38:14,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:38:14,785 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:38:14,786 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:38:14,786 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:38:14,786 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:38:14,787 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:38:14,787 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 02:38:14,787 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:38:14,788 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:38:14,788 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 02:38:14,788 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 02:38:14,788 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:38:14,789 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 02:38:14,789 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 02:38:14,789 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 02:38:14,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:38:14,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 02:38:14,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:38:14,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:38:14,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:38:14,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:38:14,792 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:38:14,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:38:14,793 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:38:14,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:38:14,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:38:14,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:38:14,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:38:14,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:38:14,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:38:14,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:38:14,795 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 02:38:14,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 02:38:14,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:38:14,796 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:38:14,796 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:38:14,797 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_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 [2021-11-13 02:38:15,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:38:15,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:38:15,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:38:15,170 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:38:15,171 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:38:15,173 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-11-13 02:38:15,251 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/data/943ce8164/8877f24d53b34b7083354447bd3a6a91/FLAG3ba87b1bb [2021-11-13 02:38:16,463 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:38:16,464 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-11-13 02:38:16,538 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/data/943ce8164/8877f24d53b34b7083354447bd3a6a91/FLAG3ba87b1bb [2021-11-13 02:38:16,635 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/data/943ce8164/8877f24d53b34b7083354447bd3a6a91 [2021-11-13 02:38:16,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:38:16,643 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:38:16,644 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:38:16,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:38:16,648 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:38:16,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:38:16" (1/1) ... [2021-11-13 02:38:16,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e1da5a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:38:16, skipping insertion in model container [2021-11-13 02:38:16,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:38:16" (1/1) ... [2021-11-13 02:38:16,662 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:38:16,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:38:19,623 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:38:19,716 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:38:19,717 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:38:20,000 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:38:20,008 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:38:20,150 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:38:20,159 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:38:22,789 WARN L228 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_b9b03556-b20f-4783-b083-7afcfc07344e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460236,460249] [2021-11-13 02:38:22,793 WARN L228 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_b9b03556-b20f-4783-b083-7afcfc07344e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460405,460418] [2021-11-13 02:38:22,802 WARN L228 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_b9b03556-b20f-4783-b083-7afcfc07344e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460572,460585] [2021-11-13 02:38:22,803 WARN L228 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_b9b03556-b20f-4783-b083-7afcfc07344e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460740,460753] [2021-11-13 02:38:22,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:38:23,012 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) [2021-11-13 02:38:23,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3c712a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:38:23, skipping insertion in model container [2021-11-13 02:38:23,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:38:23,014 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 02:38:23,016 INFO L158 Benchmark]: Toolchain (without parser) took 6372.12ms. Allocated memory was 117.4MB in the beginning and 157.3MB in the end (delta: 39.8MB). Free memory was 81.9MB in the beginning and 91.7MB in the end (delta: -9.8MB). Peak memory consumption was 78.3MB. Max. memory is 16.1GB. [2021-11-13 02:38:23,018 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:38:23,019 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6369.22ms. Allocated memory was 117.4MB in the beginning and 157.3MB in the end (delta: 39.8MB). Free memory was 81.6MB in the beginning and 91.7MB in the end (delta: -10.1MB). Peak memory consumption was 78.3MB. Max. memory is 16.1GB. [2021-11-13 02:38:23,022 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6369.22ms. Allocated memory was 117.4MB in the beginning and 157.3MB in the end (delta: 39.8MB). Free memory was 81.6MB in the beginning and 91.7MB in the end (delta: -10.1MB). Peak memory consumption was 78.3MB. 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_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/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_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF --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-63182f1 [2021-11-13 02:38:25,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:38:25,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:38:25,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:38:25,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:38:25,776 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:38:25,778 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:38:25,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:38:25,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:38:25,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:38:25,787 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:38:25,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:38:25,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:38:25,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:38:25,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:38:25,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:38:25,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:38:25,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:38:25,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:38:25,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:38:25,806 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:38:25,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:38:25,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:38:25,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:38:25,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:38:25,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:38:25,821 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:38:25,834 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:38:25,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:38:25,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:38:25,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:38:25,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:38:25,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:38:25,840 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:38:25,841 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:38:25,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:38:25,843 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:38:25,858 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:38:25,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:38:25,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:38:25,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:38:25,863 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-13 02:38:25,920 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:38:25,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:38:25,922 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:38:25,922 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:38:25,922 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:38:25,923 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:38:25,923 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:38:25,923 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:38:25,923 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:38:25,923 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:38:25,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:38:25,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:38:25,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:38:25,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:38:25,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:38:25,933 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:38:25,933 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 02:38:25,933 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 02:38:25,934 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:38:25,934 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:38:25,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:38:25,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:38:25,935 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 02:38:25,935 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:38:25,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:38:25,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:38:25,936 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:38:25,936 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:38:25,937 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 02:38:25,937 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 02:38:25,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:38:25,937 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:38:25,937 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:38:25,938 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_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 [2021-11-13 02:38:26,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:38:26,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:38:26,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:38:26,454 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:38:26,455 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:38:26,457 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-11-13 02:38:26,541 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/data/d2491eb91/f31e768d8eed4a5ea4c2210878876961/FLAG2c5887e6f [2021-11-13 02:38:27,937 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:38:27,939 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-11-13 02:38:28,040 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/data/d2491eb91/f31e768d8eed4a5ea4c2210878876961/FLAG2c5887e6f [2021-11-13 02:38:28,511 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/data/d2491eb91/f31e768d8eed4a5ea4c2210878876961 [2021-11-13 02:38:28,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:38:28,516 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:38:28,518 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:38:28,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:38:28,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:38:28,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:38:28" (1/1) ... [2021-11-13 02:38:28,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@220e7ed7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:38:28, skipping insertion in model container [2021-11-13 02:38:28,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:38:28" (1/1) ... [2021-11-13 02:38:28,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:38:28,751 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:38:34,890 WARN L228 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_b9b03556-b20f-4783-b083-7afcfc07344e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460236,460249] [2021-11-13 02:38:34,892 WARN L228 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_b9b03556-b20f-4783-b083-7afcfc07344e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460405,460418] [2021-11-13 02:38:34,893 WARN L228 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_b9b03556-b20f-4783-b083-7afcfc07344e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460572,460585] [2021-11-13 02:38:34,894 WARN L228 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_b9b03556-b20f-4783-b083-7afcfc07344e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460740,460753] [2021-11-13 02:38:34,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:38:35,123 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-13 02:38:35,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:38:35,829 WARN L228 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_b9b03556-b20f-4783-b083-7afcfc07344e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460236,460249] [2021-11-13 02:38:35,829 WARN L228 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_b9b03556-b20f-4783-b083-7afcfc07344e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460405,460418] [2021-11-13 02:38:35,830 WARN L228 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_b9b03556-b20f-4783-b083-7afcfc07344e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460572,460585] [2021-11-13 02:38:35,831 WARN L228 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_b9b03556-b20f-4783-b083-7afcfc07344e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460740,460753] [2021-11-13 02:38:35,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:38:35,911 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 02:38:36,603 WARN L228 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_b9b03556-b20f-4783-b083-7afcfc07344e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460236,460249] [2021-11-13 02:38:36,604 WARN L228 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_b9b03556-b20f-4783-b083-7afcfc07344e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460405,460418] [2021-11-13 02:38:36,605 WARN L228 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_b9b03556-b20f-4783-b083-7afcfc07344e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460572,460585] [2021-11-13 02:38:36,605 WARN L228 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_b9b03556-b20f-4783-b083-7afcfc07344e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460740,460753] [2021-11-13 02:38:36,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:38:37,350 INFO L208 MainTranslator]: Completed translation [2021-11-13 02:38:37,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:38:37 WrapperNode [2021-11-13 02:38:37,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:38:37,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 02:38:37,357 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 02:38:37,357 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 02:38:37,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:38:37" (1/1) ... [2021-11-13 02:38:37,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:38:37" (1/1) ... [2021-11-13 02:38:38,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 02:38:38,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 02:38:38,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 02:38:38,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 02:38:38,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:38:37" (1/1) ... [2021-11-13 02:38:38,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:38:37" (1/1) ... [2021-11-13 02:38:38,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:38:37" (1/1) ... [2021-11-13 02:38:38,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:38:37" (1/1) ... [2021-11-13 02:38:38,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:38:37" (1/1) ... [2021-11-13 02:38:38,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:38:37" (1/1) ... [2021-11-13 02:38:38,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:38:37" (1/1) ... [2021-11-13 02:38:38,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 02:38:38,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 02:38:38,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 02:38:38,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 02:38:38,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:38:37" (1/1) ... [2021-11-13 02:38:38,694 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:38:38,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:38:38,722 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 02:38:38,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 02:38:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-13 02:38:38,878 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-13 02:38:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 02:38:38,878 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 02:38:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-11-13 02:38:38,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-11-13 02:38:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2021-11-13 02:38:38,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2021-11-13 02:38:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 02:38:38,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 02:38:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2021-11-13 02:38:38,880 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2021-11-13 02:38:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2021-11-13 02:38:38,880 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2021-11-13 02:38:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-11-13 02:38:38,881 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-11-13 02:38:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2021-11-13 02:38:38,881 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2021-11-13 02:38:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2021-11-13 02:38:38,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2021-11-13 02:38:38,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-13 02:38:38,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-13 02:38:38,882 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-13 02:38:38,882 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-13 02:38:38,883 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2021-11-13 02:38:38,883 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2021-11-13 02:38:38,883 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-13 02:38:38,883 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-13 02:38:38,883 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-13 02:38:38,884 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-13 02:38:38,884 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2021-11-13 02:38:38,884 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2021-11-13 02:38:38,884 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2021-11-13 02:38:38,884 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2021-11-13 02:38:38,885 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2021-11-13 02:38:38,885 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2021-11-13 02:38:38,885 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-13 02:38:38,885 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-13 02:38:38,885 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2021-11-13 02:38:38,886 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2021-11-13 02:38:38,886 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-13 02:38:38,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-13 02:38:38,886 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2021-11-13 02:38:38,886 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2021-11-13 02:38:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-13 02:38:38,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-13 02:38:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-13 02:38:38,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-13 02:38:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-13 02:38:38,888 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-13 02:38:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-13 02:38:38,888 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-13 02:38:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2021-11-13 02:38:38,889 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2021-11-13 02:38:38,889 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2021-11-13 02:38:38,889 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2021-11-13 02:38:38,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-13 02:38:38,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-13 02:38:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2021-11-13 02:38:38,890 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2021-11-13 02:38:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-13 02:38:38,890 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-13 02:38:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 02:38:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-13 02:38:38,891 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-13 02:38:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2021-11-13 02:38:38,891 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2021-11-13 02:38:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 02:38:38,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 02:38:38,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-13 02:38:38,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_62 [2021-11-13 02:38:38,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_62 [2021-11-13 02:38:38,892 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-13 02:38:38,892 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-13 02:38:38,893 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-13 02:38:38,893 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-13 02:38:38,893 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2021-11-13 02:38:38,893 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2021-11-13 02:38:38,893 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-11-13 02:38:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2021-11-13 02:38:38,894 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2021-11-13 02:38:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-13 02:38:38,894 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-13 02:38:38,895 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-13 02:38:38,895 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-13 02:38:38,895 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2021-11-13 02:38:38,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2021-11-13 02:38:38,895 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2021-11-13 02:38:38,895 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2021-11-13 02:38:38,896 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-13 02:38:38,896 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-13 02:38:38,896 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2021-11-13 02:38:38,896 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2021-11-13 02:38:38,896 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-13 02:38:38,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-13 02:38:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2021-11-13 02:38:38,897 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2021-11-13 02:38:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-13 02:38:38,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-13 02:38:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-13 02:38:38,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-13 02:38:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-13 02:38:38,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-13 02:38:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 02:38:38,899 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 02:38:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-13 02:38:38,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-13 02:38:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2021-11-13 02:38:38,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2021-11-13 02:38:38,900 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2021-11-13 02:38:38,900 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2021-11-13 02:38:38,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-13 02:38:38,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-13 02:38:38,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-13 02:38:38,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-13 02:38:38,901 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2021-11-13 02:38:38,901 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2021-11-13 02:38:38,901 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2021-11-13 02:38:38,902 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2021-11-13 02:38:38,902 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-13 02:38:38,902 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-13 02:38:38,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-13 02:38:38,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-13 02:38:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 02:38:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-13 02:38:38,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-13 02:38:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-13 02:38:38,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-13 02:38:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-13 02:38:38,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-13 02:38:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2021-11-13 02:38:38,904 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2021-11-13 02:38:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-13 02:38:38,905 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-13 02:38:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2021-11-13 02:38:38,905 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2021-11-13 02:38:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-13 02:38:38,906 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-13 02:38:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-13 02:38:38,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-13 02:38:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-13 02:38:38,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-13 02:38:38,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 02:38:38,907 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-13 02:38:38,907 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2021-11-13 02:38:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2021-11-13 02:38:38,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-13 02:38:38,908 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2021-11-13 02:38:38,908 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2021-11-13 02:38:38,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-13 02:38:38,908 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2021-11-13 02:38:38,908 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2021-11-13 02:38:38,909 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 02:38:38,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 02:38:38,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-13 02:38:38,909 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-13 02:38:38,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-13 02:38:38,909 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2021-11-13 02:38:38,910 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2021-11-13 02:38:38,910 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2021-11-13 02:38:38,910 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2021-11-13 02:38:38,910 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2021-11-13 02:38:38,910 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2021-11-13 02:38:38,911 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2021-11-13 02:38:38,911 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2021-11-13 02:38:38,911 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2021-11-13 02:38:38,911 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2021-11-13 02:38:38,911 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-13 02:38:38,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-13 02:38:38,912 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-13 02:38:38,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-13 02:38:38,912 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-13 02:38:38,912 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-13 02:38:38,912 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-13 02:38:38,913 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-13 02:38:38,913 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2021-11-13 02:38:38,913 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2021-11-13 02:38:38,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-13 02:38:38,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-13 02:38:38,914 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-13 02:38:38,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-13 02:38:38,914 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2021-11-13 02:38:38,914 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2021-11-13 02:38:38,914 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-13 02:38:38,915 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-13 02:38:38,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-13 02:38:38,915 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2021-11-13 02:38:38,915 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2021-11-13 02:38:38,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 02:38:38,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 02:38:38,916 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-13 02:38:38,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-13 02:38:38,916 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2021-11-13 02:38:38,916 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2021-11-13 02:38:38,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-13 02:38:38,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-13 02:38:38,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 02:38:38,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 02:38:38,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-13 02:38:38,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 02:38:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 02:38:38,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 02:38:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-11-13 02:38:38,918 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-11-13 02:38:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-13 02:38:38,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-13 02:38:38,919 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-13 02:38:38,919 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-13 02:38:38,919 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-13 02:38:38,919 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-13 02:38:38,919 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-13 02:38:38,920 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2021-11-13 02:38:38,920 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2021-11-13 02:38:38,920 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-13 02:38:38,920 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-13 02:38:38,920 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-13 02:38:38,920 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-13 02:38:38,921 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2021-11-13 02:38:38,921 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2021-11-13 02:38:38,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-13 02:38:38,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-13 02:38:38,921 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-11-13 02:38:38,922 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-11-13 02:38:38,922 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2021-11-13 02:38:38,922 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2021-11-13 02:38:38,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 02:38:38,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 02:38:38,923 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2021-11-13 02:38:38,923 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2021-11-13 02:38:38,923 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2021-11-13 02:38:38,923 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2021-11-13 02:38:38,923 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-13 02:38:38,924 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-13 02:38:38,924 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-13 02:38:38,924 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-13 02:38:38,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-13 02:38:38,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-13 02:38:38,924 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-13 02:38:38,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-13 02:38:38,925 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-13 02:38:38,925 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-13 02:38:38,925 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-13 02:38:38,925 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-13 02:38:38,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 02:38:38,926 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-13 02:38:38,926 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-13 02:38:38,926 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2021-11-13 02:38:38,926 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2021-11-13 02:38:38,927 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2021-11-13 02:38:38,927 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2021-11-13 02:38:38,927 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-13 02:38:38,927 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-13 02:38:38,927 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2021-11-13 02:38:38,927 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2021-11-13 02:38:38,928 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-13 02:38:38,928 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-13 02:38:38,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 02:38:38,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_lock_of_alx_priv [2021-11-13 02:38:38,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_lock_of_alx_priv [2021-11-13 02:38:38,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-13 02:38:38,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-13 02:38:38,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-13 02:38:38,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 02:38:38,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 02:38:38,930 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2021-11-13 02:38:38,930 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2021-11-13 02:38:38,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-13 02:38:38,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-13 02:38:38,930 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2021-11-13 02:38:38,930 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2021-11-13 02:38:38,931 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-13 02:38:38,931 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-13 02:38:38,931 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-13 02:38:38,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-13 02:38:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-13 02:38:38,932 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-13 02:38:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-13 02:38:38,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-13 02:38:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-13 02:38:38,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-13 02:38:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-13 02:38:38,933 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-13 02:38:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2021-11-13 02:38:38,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2021-11-13 02:38:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2021-11-13 02:38:38,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2021-11-13 02:38:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-11-13 02:38:38,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-11-13 02:38:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-13 02:38:38,935 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-13 02:38:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-13 02:38:38,935 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-13 02:38:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_63 [2021-11-13 02:38:38,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_63 [2021-11-13 02:38:38,936 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-13 02:38:38,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-13 02:38:38,936 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2021-11-13 02:38:38,936 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2021-11-13 02:38:38,937 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-13 02:38:38,937 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-13 02:38:38,937 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2021-11-13 02:38:38,937 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2021-11-13 02:38:38,937 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 02:38:38,937 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-13 02:38:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2021-11-13 02:38:38,938 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2021-11-13 02:38:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-13 02:38:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-13 02:38:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-13 02:38:38,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-13 02:38:38,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 02:38:38,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 02:38:38,939 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2021-11-13 02:38:38,939 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2021-11-13 02:38:38,940 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2021-11-13 02:38:38,940 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2021-11-13 02:38:38,940 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2021-11-13 02:38:38,940 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2021-11-13 02:38:38,940 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2021-11-13 02:38:38,940 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2021-11-13 02:38:38,941 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-13 02:38:38,941 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-13 02:38:38,941 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2021-11-13 02:38:38,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2021-11-13 02:38:38,941 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-13 02:38:38,942 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-13 02:38:38,942 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-11-13 02:38:38,942 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-11-13 02:38:38,942 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2021-11-13 02:38:38,942 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2021-11-13 02:38:38,942 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2021-11-13 02:38:38,943 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2021-11-13 02:38:38,943 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2021-11-13 02:38:38,943 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2021-11-13 02:38:38,943 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2021-11-13 02:38:38,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2021-11-13 02:38:38,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_89 [2021-11-13 02:38:38,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_89 [2021-11-13 02:38:38,944 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2021-11-13 02:38:38,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2021-11-13 02:38:38,944 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-13 02:38:38,944 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-13 02:38:38,945 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-13 02:38:38,945 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-13 02:38:38,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-13 02:38:38,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-13 02:38:38,945 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-13 02:38:38,945 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-13 02:38:38,946 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-13 02:38:38,946 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-13 02:38:38,946 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2021-11-13 02:38:38,946 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2021-11-13 02:38:38,946 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2021-11-13 02:38:38,947 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2021-11-13 02:38:38,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-11-13 02:38:38,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-11-13 02:38:38,947 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-13 02:38:38,947 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-13 02:38:38,947 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-11-13 02:38:38,948 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-11-13 02:38:38,948 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-13 02:38:38,948 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-13 02:38:38,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-13 02:38:38,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-13 02:38:38,948 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2021-11-13 02:38:38,949 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2021-11-13 02:38:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2021-11-13 02:38:38,949 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2021-11-13 02:38:40,504 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 02:39:26,704 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-13 02:39:27,281 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 02:39:27,281 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-13 02:39:27,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:39:27 BoogieIcfgContainer [2021-11-13 02:39:27,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 02:39:27,290 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 02:39:27,290 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 02:39:27,294 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 02:39:27,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:38:28" (1/3) ... [2021-11-13 02:39:27,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2a9199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:39:27, skipping insertion in model container [2021-11-13 02:39:27,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:38:37" (2/3) ... [2021-11-13 02:39:27,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2a9199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:39:27, skipping insertion in model container [2021-11-13 02:39:27,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:39:27" (3/3) ... [2021-11-13 02:39:27,297 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-11-13 02:39:27,304 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 02:39:27,304 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-13 02:39:27,377 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 02:39:27,385 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 [2021-11-13 02:39:27,385 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-13 02:39:27,538 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) [2021-11-13 02:39:27,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-13 02:39:27,564 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:39:27,565 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] [2021-11-13 02:39:27,568 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)] === [2021-11-13 02:39:27,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:39:27,574 INFO L85 PathProgramCache]: Analyzing trace with hash -681699794, now seen corresponding path program 1 times [2021-11-13 02:39:27,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:39:27,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1969464890] [2021-11-13 02:39:27,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:39:27,601 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:39:27,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:39:27,604 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:39:27,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 02:39:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:39:30,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 2969 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:39:30,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:39:30,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2021-11-13 02:39:30,911 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:39:31,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-13 02:39:31,478 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:39:31,478 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1969464890] [2021-11-13 02:39:31,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1969464890] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:39:31,479 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:39:31,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 02:39:31,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821143263] [2021-11-13 02:39:31,481 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:39:31,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:39:31,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:39:31,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:39:31,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:39:31,521 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) [2021-11-13 02:39:33,859 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 [] [2021-11-13 02:39:46,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:39:46,325 INFO L93 Difference]: Finished difference Result 12011 states and 17360 transitions. [2021-11-13 02:39:46,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:39:46,328 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 [2021-11-13 02:39:46,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:39:46,437 INFO L225 Difference]: With dead ends: 12011 [2021-11-13 02:39:46,438 INFO L226 Difference]: Without dead ends: 8914 [2021-11-13 02:39:46,480 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 [2021-11-13 02:39:46,483 INFO L933 BasicCegarLoop]: 5894 mSDtfsCounter, 10766 mSDsluCounter, 6630 mSDsCounter, 0 mSdLazyCounter, 1725 mSolverCounterSat, 1620 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12516.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10766 SdHoareTripleChecker+Valid, 12524 SdHoareTripleChecker+Invalid, 3346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 98.32ms SdHoareTripleChecker+Time, 1620 IncrementalHoareTripleChecker+Valid, 1725 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13897.75ms IncrementalHoareTripleChecker+Time [2021-11-13 02:39:46,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10766 Valid, 12524 Invalid, 3346 Unknown, 0 Unchecked, 98.32ms Time], IncrementalHoareTripleChecker [1620 Valid, 1725 Invalid, 1 Unknown, 0 Unchecked, 13897.75ms Time] [2021-11-13 02:39:46,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8914 states. [2021-11-13 02:39:47,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8914 to 8883. [2021-11-13 02:39:47,273 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) [2021-11-13 02:39:47,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8883 states to 8883 states and 12354 transitions. [2021-11-13 02:39:47,360 INFO L78 Accepts]: Start accepts. Automaton has 8883 states and 12354 transitions. Word has length 204 [2021-11-13 02:39:47,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:39:47,364 INFO L470 AbstractCegarLoop]: Abstraction has 8883 states and 12354 transitions. [2021-11-13 02:39:47,365 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) [2021-11-13 02:39:47,365 INFO L276 IsEmpty]: Start isEmpty. Operand 8883 states and 12354 transitions. [2021-11-13 02:39:47,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-13 02:39:47,376 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:39:47,377 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] [2021-11-13 02:39:47,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-13 02:39:47,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:39:47,599 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)] === [2021-11-13 02:39:47,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:39:47,600 INFO L85 PathProgramCache]: Analyzing trace with hash 825198181, now seen corresponding path program 1 times [2021-11-13 02:39:47,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:39:47,614 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [575063228] [2021-11-13 02:39:47,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:39:47,614 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:39:47,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:39:47,615 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:39:47,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 02:39:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:39:50,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 3010 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:39:50,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:39:50,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2021-11-13 02:39:50,815 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:39:51,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-13 02:39:51,371 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:39:51,371 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [575063228] [2021-11-13 02:39:51,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [575063228] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:39:51,372 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:39:51,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 02:39:51,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838887943] [2021-11-13 02:39:51,372 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:39:51,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:39:51,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:39:51,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:39:51,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:39:51,376 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) [2021-11-13 02:39:53,691 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:40:04,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:40:04,970 INFO L93 Difference]: Finished difference Result 32244 states and 44685 transitions. [2021-11-13 02:40:04,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:40:04,970 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 [2021-11-13 02:40:04,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:40:05,190 INFO L225 Difference]: With dead ends: 32244 [2021-11-13 02:40:05,190 INFO L226 Difference]: Without dead ends: 23398 [2021-11-13 02:40:05,254 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 [2021-11-13 02:40:05,255 INFO L933 BasicCegarLoop]: 5592 mSDtfsCounter, 7442 mSDsluCounter, 6952 mSDsCounter, 0 mSdLazyCounter, 1758 mSolverCounterSat, 38 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11266.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7442 SdHoareTripleChecker+Valid, 12544 SdHoareTripleChecker+Invalid, 1797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 65.64ms SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1758 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12236.19ms IncrementalHoareTripleChecker+Time [2021-11-13 02:40:05,256 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7442 Valid, 12544 Invalid, 1797 Unknown, 0 Unchecked, 65.64ms Time], IncrementalHoareTripleChecker [38 Valid, 1758 Invalid, 1 Unknown, 0 Unchecked, 12236.19ms Time] [2021-11-13 02:40:05,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23398 states. [2021-11-13 02:40:06,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23398 to 23326. [2021-11-13 02:40:06,829 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) [2021-11-13 02:40:06,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23326 states to 23326 states and 32268 transitions. [2021-11-13 02:40:06,958 INFO L78 Accepts]: Start accepts. Automaton has 23326 states and 32268 transitions. Word has length 206 [2021-11-13 02:40:06,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:40:06,960 INFO L470 AbstractCegarLoop]: Abstraction has 23326 states and 32268 transitions. [2021-11-13 02:40:06,961 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) [2021-11-13 02:40:06,962 INFO L276 IsEmpty]: Start isEmpty. Operand 23326 states and 32268 transitions. [2021-11-13 02:40:06,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-13 02:40:06,968 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:40:06,968 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] [2021-11-13 02:40:07,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 02:40:07,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:40:07,190 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)] === [2021-11-13 02:40:07,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:40:07,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1052481961, now seen corresponding path program 1 times [2021-11-13 02:40:07,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:40:07,194 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [885061194] [2021-11-13 02:40:07,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:40:07,194 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:40:07,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:40:07,195 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:40:07,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 02:40:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:40:09,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 3037 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:40:09,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:40:10,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2021-11-13 02:40:10,253 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:40:10,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-13 02:40:10,771 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:40:10,771 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [885061194] [2021-11-13 02:40:10,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [885061194] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:40:10,772 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:40:10,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 02:40:10,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169374399] [2021-11-13 02:40:10,772 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:40:10,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:40:10,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:40:10,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:40:10,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:40:10,774 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) [2021-11-13 02:40:13,039 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 [] [2021-11-13 02:40:26,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:40:26,682 INFO L93 Difference]: Finished difference Result 92815 states and 129498 transitions. [2021-11-13 02:40:26,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:40:26,683 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 [2021-11-13 02:40:26,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:40:27,126 INFO L225 Difference]: With dead ends: 92815 [2021-11-13 02:40:27,126 INFO L226 Difference]: Without dead ends: 69526 [2021-11-13 02:40:27,266 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 [2021-11-13 02:40:27,271 INFO L933 BasicCegarLoop]: 7129 mSDtfsCounter, 10443 mSDsluCounter, 6739 mSDsCounter, 0 mSdLazyCounter, 1701 mSolverCounterSat, 1591 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11884.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10443 SdHoareTripleChecker+Valid, 13868 SdHoareTripleChecker+Invalid, 3293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 56.42ms SdHoareTripleChecker+Time, 1591 IncrementalHoareTripleChecker+Valid, 1701 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13363.26ms IncrementalHoareTripleChecker+Time [2021-11-13 02:40:27,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10443 Valid, 13868 Invalid, 3293 Unknown, 0 Unchecked, 56.42ms Time], IncrementalHoareTripleChecker [1591 Valid, 1701 Invalid, 1 Unknown, 0 Unchecked, 13363.26ms Time] [2021-11-13 02:40:27,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69526 states. [2021-11-13 02:40:31,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69526 to 69430. [2021-11-13 02:40:31,519 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) [2021-11-13 02:40:31,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69430 states to 69430 states and 97098 transitions. [2021-11-13 02:40:31,943 INFO L78 Accepts]: Start accepts. Automaton has 69430 states and 97098 transitions. Word has length 216 [2021-11-13 02:40:31,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:40:32,241 INFO L470 AbstractCegarLoop]: Abstraction has 69430 states and 97098 transitions. [2021-11-13 02:40:32,242 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) [2021-11-13 02:40:32,242 INFO L276 IsEmpty]: Start isEmpty. Operand 69430 states and 97098 transitions. [2021-11-13 02:40:32,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-11-13 02:40:32,247 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:40:32,247 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] [2021-11-13 02:40:32,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-13 02:40:32,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:40:32,469 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)] === [2021-11-13 02:40:32,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:40:32,470 INFO L85 PathProgramCache]: Analyzing trace with hash -451934688, now seen corresponding path program 1 times [2021-11-13 02:40:32,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:40:32,474 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1390162938] [2021-11-13 02:40:32,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:40:32,474 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:40:32,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:40:32,477 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:40:32,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 02:40:35,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:40:35,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 3041 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:40:35,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:40:35,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2021-11-13 02:40:35,986 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:40:36,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-13 02:40:36,669 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:40:36,669 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1390162938] [2021-11-13 02:40:36,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1390162938] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:40:36,669 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:40:36,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 02:40:36,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635725948] [2021-11-13 02:40:36,670 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:40:36,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:40:36,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:40:36,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:40:36,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:40:36,675 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) [2021-11-13 02:40:39,185 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:40:55,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:40:55,590 INFO L93 Difference]: Finished difference Result 275299 states and 389532 transitions. [2021-11-13 02:40:55,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:40:55,591 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 [2021-11-13 02:40:55,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:40:57,724 INFO L225 Difference]: With dead ends: 275299 [2021-11-13 02:40:57,724 INFO L226 Difference]: Without dead ends: 205906 [2021-11-13 02:40:58,430 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 [2021-11-13 02:40:58,431 INFO L933 BasicCegarLoop]: 7084 mSDtfsCounter, 8349 mSDsluCounter, 9722 mSDsCounter, 0 mSdLazyCounter, 1673 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9869.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8349 SdHoareTripleChecker+Valid, 16806 SdHoareTripleChecker+Invalid, 1689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 47.03ms SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1673 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10811.42ms IncrementalHoareTripleChecker+Time [2021-11-13 02:40:58,432 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8349 Valid, 16806 Invalid, 1689 Unknown, 0 Unchecked, 47.03ms Time], IncrementalHoareTripleChecker [15 Valid, 1673 Invalid, 1 Unknown, 0 Unchecked, 10811.42ms Time] [2021-11-13 02:40:58,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205906 states. [2021-11-13 02:41:11,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205906 to 205738. [2021-11-13 02:41:12,086 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) [2021-11-13 02:41:14,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205738 states to 205738 states and 292104 transitions. [2021-11-13 02:41:14,485 INFO L78 Accepts]: Start accepts. Automaton has 205738 states and 292104 transitions. Word has length 217 [2021-11-13 02:41:14,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:41:14,486 INFO L470 AbstractCegarLoop]: Abstraction has 205738 states and 292104 transitions. [2021-11-13 02:41:14,487 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) [2021-11-13 02:41:14,487 INFO L276 IsEmpty]: Start isEmpty. Operand 205738 states and 292104 transitions. [2021-11-13 02:41:14,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-13 02:41:14,494 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:41:14,495 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] [2021-11-13 02:41:14,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-13 02:41:14,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:41:14,710 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)] === [2021-11-13 02:41:14,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:41:14,711 INFO L85 PathProgramCache]: Analyzing trace with hash 2039273341, now seen corresponding path program 1 times [2021-11-13 02:41:14,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:41:14,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1306497478] [2021-11-13 02:41:14,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:41:14,715 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:41:14,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:41:14,716 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:41:14,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b03556-b20f-4783-b083-7afcfc07344e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-13 02:41:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:41:17,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 3067 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:41:17,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:41:18,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2021-11-13 02:41:18,231 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:41:18,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-13 02:41:18,858 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:41:18,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1306497478] [2021-11-13 02:41:18,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1306497478] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:41:18,859 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:41:18,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 02:41:18,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630411781] [2021-11-13 02:41:18,860 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:41:18,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:41:18,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:41:18,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:41:18,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:41:18,862 INFO L87 Difference]: Start difference. First operand 205738 states and 292104 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, (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) [2021-11-13 02:41:21,189 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []