./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.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_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/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_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/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_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/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 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:27:04,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:27:04,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:27:04,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:27:04,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:27:04,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:27:04,669 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:27:04,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:27:04,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:27:04,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:27:04,677 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:27:04,678 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:27:04,679 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:27:04,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:27:04,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:27:04,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:27:04,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:27:04,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:27:04,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:27:04,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:27:04,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:27:04,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:27:04,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:27:04,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:27:04,703 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:27:04,704 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:27:04,704 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:27:04,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:27:04,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:27:04,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:27:04,708 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:27:04,709 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:27:04,710 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:27:04,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:27:04,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:27:04,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:27:04,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:27:04,715 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:27:04,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:27:04,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:27:04,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:27:04,720 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 22:27:04,749 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:27:04,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:27:04,751 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:27:04,751 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:27:04,751 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:27:04,752 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:27:04,752 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:27:04,752 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:27:04,753 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:27:04,753 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:27:04,753 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:27:04,753 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:27:04,754 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:27:04,754 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:27:04,754 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:27:04,755 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:27:04,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:27:04,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:27:04,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:27:04,756 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:27:04,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:27:04,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:27:04,757 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:27:04,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:27:04,758 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:27:04,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:27:04,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:27:04,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:27:04,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:27:04,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:27:04,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:27:04,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:27:04,760 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:27:04,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:27:04,761 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:27:04,761 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:27:04,763 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:27:04,763 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_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 [2021-11-12 22:27:05,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:27:05,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:27:05,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:27:05,186 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:27:05,187 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:27:05,189 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2021-11-12 22:27:05,274 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/data/41a9ac64f/ee1ff17ac90c4268a570c6075b43e80f/FLAG1671c1c64 [2021-11-12 22:27:06,633 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:27:06,634 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2021-11-12 22:27:06,707 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/data/41a9ac64f/ee1ff17ac90c4268a570c6075b43e80f/FLAG1671c1c64 [2021-11-12 22:27:06,784 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/data/41a9ac64f/ee1ff17ac90c4268a570c6075b43e80f [2021-11-12 22:27:06,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:27:06,791 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:27:06,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:27:06,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:27:06,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:27:06,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:27:06" (1/1) ... [2021-11-12 22:27:06,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3873c7fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:06, skipping insertion in model container [2021-11-12 22:27:06,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:27:06" (1/1) ... [2021-11-12 22:27:06,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:27:07,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:27:09,394 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:27:09,413 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:27:09,446 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:27:09,447 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:27:09,809 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:27:11,802 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_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463113,463126] [2021-11-12 22:27:11,805 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_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463282,463295] [2021-11-12 22:27:11,806 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_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463449,463462] [2021-11-12 22:27:11,806 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_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463617,463630] [2021-11-12 22:27:11,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:27:11,874 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) [2021-11-12 22:27:11,875 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@725eb041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:11, skipping insertion in model container [2021-11-12 22:27:11,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:27:11,876 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:27:11,877 INFO L158 Benchmark]: Toolchain (without parser) took 5085.63ms. Allocated memory was 100.7MB in the beginning and 151.0MB in the end (delta: 50.3MB). Free memory was 61.4MB in the beginning and 71.6MB in the end (delta: -10.2MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2021-11-12 22:27:11,878 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 100.7MB. Free memory is still 76.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:27:11,879 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5080.51ms. Allocated memory was 100.7MB in the beginning and 151.0MB in the end (delta: 50.3MB). Free memory was 61.4MB in the beginning and 71.6MB in the end (delta: -10.2MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2021-11-12 22:27:11,881 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 100.7MB. Free memory is still 76.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5080.51ms. Allocated memory was 100.7MB in the beginning and 151.0MB in the end (delta: 50.3MB). Free memory was 61.4MB in the beginning and 71.6MB in the end (delta: -10.2MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6896]: 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_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/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_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/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_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/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 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:27:14,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:27:14,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:27:14,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:27:14,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:27:14,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:27:14,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:27:14,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:27:14,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:27:14,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:27:14,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:27:14,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:27:14,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:27:14,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:27:14,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:27:14,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:27:14,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:27:14,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:27:14,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:27:14,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:27:14,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:27:14,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:27:14,192 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:27:14,193 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:27:14,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:27:14,197 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:27:14,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:27:14,199 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:27:14,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:27:14,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:27:14,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:27:14,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:27:14,203 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:27:14,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:27:14,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:27:14,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:27:14,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:27:14,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:27:14,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:27:14,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:27:14,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:27:14,211 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 22:27:14,239 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:27:14,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:27:14,241 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:27:14,241 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:27:14,241 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:27:14,241 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:27:14,242 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:27:14,242 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:27:14,242 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:27:14,242 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:27:14,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:27:14,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:27:14,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:27:14,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:27:14,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:27:14,244 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:27:14,244 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 22:27:14,244 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 22:27:14,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:27:14,245 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:27:14,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:27:14,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:27:14,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 22:27:14,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:27:14,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:27:14,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:27:14,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:27:14,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:27:14,247 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 22:27:14,247 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 22:27:14,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:27:14,247 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:27:14,248 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:27:14,248 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_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 [2021-11-12 22:27:14,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:27:14,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:27:14,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:27:14,688 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:27:14,689 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:27:14,691 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2021-11-12 22:27:14,770 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/data/d8b32e329/a1d6c85ada0a4712bf560e0b69d3fcb0/FLAG8891156ea [2021-11-12 22:27:15,869 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:27:15,869 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2021-11-12 22:27:15,949 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/data/d8b32e329/a1d6c85ada0a4712bf560e0b69d3fcb0/FLAG8891156ea [2021-11-12 22:27:16,280 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/data/d8b32e329/a1d6c85ada0a4712bf560e0b69d3fcb0 [2021-11-12 22:27:16,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:27:16,303 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:27:16,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:27:16,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:27:16,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:27:16,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:27:16" (1/1) ... [2021-11-12 22:27:16,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d8c226a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:16, skipping insertion in model container [2021-11-12 22:27:16,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:27:16" (1/1) ... [2021-11-12 22:27:16,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:27:16,535 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:27:21,595 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_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463113,463126] [2021-11-12 22:27:21,599 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_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463282,463295] [2021-11-12 22:27:21,600 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_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463449,463462] [2021-11-12 22:27:21,600 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_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463617,463630] [2021-11-12 22:27:21,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:27:21,685 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 22:27:21,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:27:22,531 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_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463113,463126] [2021-11-12 22:27:22,532 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_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463282,463295] [2021-11-12 22:27:22,532 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_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463449,463462] [2021-11-12 22:27:22,533 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_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463617,463630] [2021-11-12 22:27:22,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:27:22,568 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 22:27:23,133 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_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463113,463126] [2021-11-12 22:27:23,134 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_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463282,463295] [2021-11-12 22:27:23,134 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_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463449,463462] [2021-11-12 22:27:23,135 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_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463617,463630] [2021-11-12 22:27:23,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:27:23,670 INFO L208 MainTranslator]: Completed translation [2021-11-12 22:27:23,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:23 WrapperNode [2021-11-12 22:27:23,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:27:23,672 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 22:27:23,673 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 22:27:23,673 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 22:27:23,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:23" (1/1) ... [2021-11-12 22:27:23,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:23" (1/1) ... [2021-11-12 22:27:24,206 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 22:27:24,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 22:27:24,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 22:27:24,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 22:27:24,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:23" (1/1) ... [2021-11-12 22:27:24,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:23" (1/1) ... [2021-11-12 22:27:24,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:23" (1/1) ... [2021-11-12 22:27:24,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:23" (1/1) ... [2021-11-12 22:27:24,587 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:23" (1/1) ... [2021-11-12 22:27:24,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:23" (1/1) ... [2021-11-12 22:27:24,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:23" (1/1) ... [2021-11-12 22:27:24,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 22:27:24,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 22:27:24,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 22:27:24,750 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 22:27:24,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:23" (1/1) ... [2021-11-12 22:27:24,758 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:27:24,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:27:24,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 22:27:24,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 22:27:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-12 22:27:24,838 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-12 22:27:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-12 22:27:24,838 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-12 22:27:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_phy_reg [2021-11-12 22:27:24,839 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_phy_reg [2021-11-12 22:27:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-12 22:27:24,839 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-12 22:27:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_force_ps [2021-11-12 22:27:24,839 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_force_ps [2021-11-12 22:27:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-11-12 22:27:24,840 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-11-12 22:27:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-12 22:27:24,840 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-12 22:27:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_89 [2021-11-12 22:27:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_89 [2021-11-12 22:27:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 22:27:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 22:27:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_del_timer [2021-11-12 22:27:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_del_timer [2021-11-12 22:27:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-12 22:27:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-12 22:27:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_78 [2021-11-12 22:27:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_78 [2021-11-12 22:27:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 22:27:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 22:27:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-12 22:27:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-12 22:27:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-12 22:27:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-12 22:27:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-12 22:27:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-12 22:27:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-12 22:27:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-12 22:27:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_disable [2021-11-12 22:27:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_disable [2021-11-12 22:27:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_resume [2021-11-12 22:27:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_resume [2021-11-12 22:27:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restart_autoneg [2021-11-12 22:27:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restart_autoneg [2021-11-12 22:27:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_close [2021-11-12 22:27:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_close [2021-11-12 22:27:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-12 22:27:24,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-12 22:27:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 22:27:24,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 22:27:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tpd [2021-11-12 22:27:24,849 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tpd [2021-11-12 22:27:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-12 22:27:24,849 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-12 22:27:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-12 22:27:24,849 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-12 22:27:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-12 22:27:24,850 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-12 22:27:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 22:27:24,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 22:27:24,851 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-12 22:27:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-12 22:27:24,851 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_irq [2021-11-12 22:27:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_irq [2021-11-12 22:27:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-12 22:27:24,852 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-12 22:27:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-12 22:27:24,852 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-12 22:27:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 22:27:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-11-12 22:27:24,853 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-11-12 22:27:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-12 22:27:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 22:27:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 22:27:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 22:27:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_shutdown [2021-11-12 22:27:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_shutdown [2021-11-12 22:27:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-12 22:27:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-12 22:27:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_eeprom_exist [2021-11-12 22:27:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_eeprom_exist [2021-11-12 22:27:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-12 22:27:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-12 22:27:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-12 22:27:24,856 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-12 22:27:24,857 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-12 22:27:24,857 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-12 22:27:24,857 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hw_set_mac_addr [2021-11-12 22:27:24,857 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hw_set_mac_addr [2021-11-12 22:27:24,857 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-12 22:27:24,858 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-12 22:27:24,858 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-12 22:27:24,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-12 22:27:24,858 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tx_buffer [2021-11-12 22:27:24,858 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tx_buffer [2021-11-12 22:27:24,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 22:27:24,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 22:27:24,859 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-12 22:27:24,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-12 22:27:24,859 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-12 22:27:24,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-12 22:27:24,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 22:27:24,860 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 22:27:24,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-12 22:27:24,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-12 22:27:24,861 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-12 22:27:24,861 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-12 22:27:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-12 22:27:24,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-12 22:27:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-11-12 22:27:24,865 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-11-12 22:27:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-12 22:27:24,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-12 22:27:24,867 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_reset [2021-11-12 22:27:24,867 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_reset [2021-11-12 22:27:24,868 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-12 22:27:24,868 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-12 22:27:24,869 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-12 22:27:24,875 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-12 22:27:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_down [2021-11-12 22:27:24,876 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_down [2021-11-12 22:27:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-12 22:27:24,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-12 22:27:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 22:27:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_vlan_mode [2021-11-12 22:27:24,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_vlan_mode [2021-11-12 22:27:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-12 22:27:24,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-12 22:27:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-12 22:27:24,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-12 22:27:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-12 22:27:24,878 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-12 22:27:24,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 22:27:24,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 22:27:24,878 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-12 22:27:24,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-12 22:27:24,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 22:27:24,878 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-12 22:27:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 22:27:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 22:27:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 22:27:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-12 22:27:24,879 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-12 22:27:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-11-12 22:27:24,880 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-11-12 22:27:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_multi [2021-11-12 22:27:24,881 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_multi [2021-11-12 22:27:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2021-11-12 22:27:24,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2021-11-12 22:27:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_remove [2021-11-12 22:27:24,881 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_remove [2021-11-12 22:27:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-12 22:27:24,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-12 22:27:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2021-11-12 22:27:24,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2021-11-12 22:27:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-12 22:27:24,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-12 22:27:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-12 22:27:24,883 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-12 22:27:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-12 22:27:24,883 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-12 22:27:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-12 22:27:24,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-12 22:27:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_ring_resources [2021-11-12 22:27:24,884 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_ring_resources [2021-11-12 22:27:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-12 22:27:24,884 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-12 22:27:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-12 22:27:24,884 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-12 22:27:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-12 22:27:24,885 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-12 22:27:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_validate_option [2021-11-12 22:27:24,885 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_validate_option [2021-11-12 22:27:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 22:27:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-11-12 22:27:24,886 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-11-12 22:27:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-12 22:27:24,886 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-12 22:27:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 22:27:24,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 22:27:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-12 22:27:24,887 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-12 22:27:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 22:27:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-12 22:27:24,887 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-12 22:27:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 22:27:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 22:27:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 22:27:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 22:27:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 22:27:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 22:27:24,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 22:27:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 22:27:24,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 22:27:24,889 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-12 22:27:24,889 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-12 22:27:24,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-11-12 22:27:24,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-11-12 22:27:24,889 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-12 22:27:24,890 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-12 22:27:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-12 22:27:24,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-12 22:27:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_ring [2021-11-12 22:27:24,890 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_ring [2021-11-12 22:27:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2021-11-12 22:27:24,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2021-11-12 22:27:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-12 22:27:24,891 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-12 22:27:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-12 22:27:24,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-12 22:27:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-12 22:27:24,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-12 22:27:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2021-11-12 22:27:24,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2021-11-12 22:27:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-12 22:27:24,892 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-12 22:27:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-12 22:27:24,892 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-12 22:27:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_resume [2021-11-12 22:27:24,893 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_resume [2021-11-12 22:27:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-12 22:27:24,893 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-12 22:27:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-12 22:27:24,893 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-12 22:27:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 22:27:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-12 22:27:24,894 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-12 22:27:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-12 22:27:24,894 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-12 22:27:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-12 22:27:24,895 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-12 22:27:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_timeout [2021-11-12 22:27:24,895 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_timeout [2021-11-12 22:27:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 22:27:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_vlan_mode [2021-11-12 22:27:24,897 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_vlan_mode [2021-11-12 22:27:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_phy_reg [2021-11-12 22:27:24,901 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_phy_reg [2021-11-12 22:27:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-12 22:27:24,902 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-12 22:27:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 22:27:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 22:27:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 22:27:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_up [2021-11-12 22:27:24,902 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_up [2021-11-12 22:27:24,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 22:27:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 22:27:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_commit [2021-11-12 22:27:24,906 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_commit [2021-11-12 22:27:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-12 22:27:24,906 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-12 22:27:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-12 22:27:24,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-12 22:27:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-12 22:27:24,907 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-12 22:27:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 22:27:24,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 22:27:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-12 22:27:24,908 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-12 22:27:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-12 22:27:24,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-12 22:27:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reinit_locked [2021-11-12 22:27:24,908 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reinit_locked [2021-11-12 22:27:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2021-11-12 22:27:24,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2021-11-12 22:27:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_init [2021-11-12 22:27:24,909 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_init [2021-11-12 22:27:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_intr [2021-11-12 22:27:24,909 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_intr [2021-11-12 22:27:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-12 22:27:24,909 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-12 22:27:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-11-12 22:27:24,910 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-11-12 22:27:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_open [2021-11-12 22:27:24,910 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_open [2021-11-12 22:27:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-12 22:27:24,910 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-12 22:27:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-12 22:27:24,911 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-12 22:27:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_enable [2021-11-12 22:27:24,911 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_enable [2021-11-12 22:27:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-12 22:27:24,911 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-12 22:27:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_netpoll [2021-11-12 22:27:24,912 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_netpoll [2021-11-12 22:27:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 22:27:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 22:27:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 22:27:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 22:27:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 22:27:24,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 22:27:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2021-11-12 22:27:24,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2021-11-12 22:27:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_eeprom [2021-11-12 22:27:24,913 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_eeprom [2021-11-12 22:27:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_suspend [2021-11-12 22:27:24,913 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_suspend [2021-11-12 22:27:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-12 22:27:24,914 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-12 22:27:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-12 22:27:24,914 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-12 22:27:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_nway_reset [2021-11-12 22:27:24,914 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_nway_reset [2021-11-12 22:27:24,915 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-12 22:27:24,915 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-12 22:27:24,915 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_request_irq [2021-11-12 22:27:24,915 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_request_irq [2021-11-12 22:27:24,915 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2021-11-12 22:27:24,915 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2021-11-12 22:27:24,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 22:27:24,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 22:27:24,916 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-12 22:27:24,916 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-12 22:27:24,916 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom_len [2021-11-12 22:27:24,916 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom_len [2021-11-12 22:27:24,916 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-12 22:27:24,916 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-12 22:27:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-12 22:27:24,917 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-12 22:27:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_hw [2021-11-12 22:27:24,917 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_hw [2021-11-12 22:27:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-11-12 22:27:24,917 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-11-12 22:27:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-12 22:27:24,918 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-12 22:27:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-12 22:27:24,918 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-12 22:27:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-12 22:27:24,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-12 22:27:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs_len [2021-11-12 22:27:24,919 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs_len [2021-11-12 22:27:24,919 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_ring [2021-11-12 22:27:24,919 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_ring [2021-11-12 22:27:27,928 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 22:28:45,844 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-12 22:28:46,230 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 22:28:46,230 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-12 22:28:46,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:28:46 BoogieIcfgContainer [2021-11-12 22:28:46,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 22:28:46,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 22:28:46,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 22:28:46,242 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 22:28:46,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 10:27:16" (1/3) ... [2021-11-12 22:28:46,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47e41e88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:28:46, skipping insertion in model container [2021-11-12 22:28:46,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:23" (2/3) ... [2021-11-12 22:28:46,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47e41e88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:28:46, skipping insertion in model container [2021-11-12 22:28:46,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:28:46" (3/3) ... [2021-11-12 22:28:46,245 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2021-11-12 22:28:46,250 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 22:28:46,251 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-12 22:28:46,308 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 22:28:46,314 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 [2021-11-12 22:28:46,315 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-12 22:28:46,384 INFO L276 IsEmpty]: Start isEmpty. Operand has 2822 states, 1909 states have (on average 1.2572027239392352) internal successors, (2400), 1937 states have internal predecessors, (2400), 761 states have call successors, (761), 149 states have call predecessors, (761), 148 states have return successors, (755), 753 states have call predecessors, (755), 755 states have call successors, (755) [2021-11-12 22:28:46,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-11-12 22:28:46,410 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:28:46,411 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:28:46,412 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-12 22:28:46,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:28:46,421 INFO L85 PathProgramCache]: Analyzing trace with hash -695297070, now seen corresponding path program 1 times [2021-11-12 22:28:46,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:28:46,442 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1281493830] [2021-11-12 22:28:46,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:28:46,443 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:28:46,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:28:46,449 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:28:46,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 22:28:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:28:52,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 2290 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:28:52,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:28:53,359 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2021-11-12 22:28:53,360 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:28:54,042 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2021-11-12 22:28:54,047 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:28:54,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1281493830] [2021-11-12 22:28:54,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1281493830] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:28:54,050 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:28:54,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 22:28:54,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036807111] [2021-11-12 22:28:54,054 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:28:54,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:28:54,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:28:54,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:28:54,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:28:54,112 INFO L87 Difference]: Start difference. First operand has 2822 states, 1909 states have (on average 1.2572027239392352) internal successors, (2400), 1937 states have internal predecessors, (2400), 761 states have call successors, (761), 149 states have call predecessors, (761), 148 states have return successors, (755), 753 states have call predecessors, (755), 755 states have call successors, (755) Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 4 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-12 22:28:56,529 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:29:09,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:29:09,705 INFO L93 Difference]: Finished difference Result 11001 states and 15533 transitions. [2021-11-12 22:29:09,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:29:09,708 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 4 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) Word has length 181 [2021-11-12 22:29:09,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:29:09,794 INFO L225 Difference]: With dead ends: 11001 [2021-11-12 22:29:09,794 INFO L226 Difference]: Without dead ends: 8184 [2021-11-12 22:29:09,819 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:29:09,822 INFO L933 BasicCegarLoop]: 5361 mSDtfsCounter, 7560 mSDsluCounter, 8858 mSDsCounter, 0 mSdLazyCounter, 1429 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13783.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7560 SdHoareTripleChecker+Valid, 14219 SdHoareTripleChecker+Invalid, 1437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 105.50ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1429 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14744.38ms IncrementalHoareTripleChecker+Time [2021-11-12 22:29:09,823 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7560 Valid, 14219 Invalid, 1437 Unknown, 0 Unchecked, 105.50ms Time], IncrementalHoareTripleChecker [7 Valid, 1429 Invalid, 1 Unknown, 0 Unchecked, 14744.38ms Time] [2021-11-12 22:29:09,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8184 states. [2021-11-12 22:29:10,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8184 to 8118. [2021-11-12 22:29:10,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8118 states, 5546 states have (on average 1.2533357374684457) internal successors, (6951), 5638 states have internal predecessors, (6951), 2141 states have call successors, (2141), 438 states have call predecessors, (2141), 427 states have return successors, (2147), 2099 states have call predecessors, (2147), 2137 states have call successors, (2147) [2021-11-12 22:29:10,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8118 states to 8118 states and 11239 transitions. [2021-11-12 22:29:10,515 INFO L78 Accepts]: Start accepts. Automaton has 8118 states and 11239 transitions. Word has length 181 [2021-11-12 22:29:10,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:29:10,520 INFO L470 AbstractCegarLoop]: Abstraction has 8118 states and 11239 transitions. [2021-11-12 22:29:10,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 4 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-12 22:29:10,520 INFO L276 IsEmpty]: Start isEmpty. Operand 8118 states and 11239 transitions. [2021-11-12 22:29:10,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-11-12 22:29:10,533 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:29:10,534 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:29:10,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 22:29:10,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:29:10,759 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-12 22:29:10,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:29:10,760 INFO L85 PathProgramCache]: Analyzing trace with hash -620921520, now seen corresponding path program 1 times [2021-11-12 22:29:10,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:29:10,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [694465730] [2021-11-12 22:29:10,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:29:10,765 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:29:10,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:29:10,768 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:29:10,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 22:29:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:29:16,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 2267 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:29:16,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:29:16,830 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2021-11-12 22:29:16,831 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:29:17,394 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2021-11-12 22:29:17,395 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:29:17,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [694465730] [2021-11-12 22:29:17,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [694465730] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:29:17,395 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:29:17,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 22:29:17,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118220060] [2021-11-12 22:29:17,396 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:29:17,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:29:17,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:29:17,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:29:17,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:29:17,399 INFO L87 Difference]: Start difference. First operand 8118 states and 11239 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 4 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-12 22:29:19,654 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:29:33,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:29:33,726 INFO L93 Difference]: Finished difference Result 32027 states and 44338 transitions. [2021-11-12 22:29:33,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:29:33,727 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 4 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) Word has length 182 [2021-11-12 22:29:33,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:29:33,946 INFO L225 Difference]: With dead ends: 32027 [2021-11-12 22:29:33,947 INFO L226 Difference]: Without dead ends: 23942 [2021-11-12 22:29:34,100 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:29:34,101 INFO L933 BasicCegarLoop]: 5305 mSDtfsCounter, 7508 mSDsluCounter, 7532 mSDsCounter, 0 mSdLazyCounter, 1500 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14213.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7508 SdHoareTripleChecker+Valid, 12837 SdHoareTripleChecker+Invalid, 1520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 54.91ms SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1500 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15186.56ms IncrementalHoareTripleChecker+Time [2021-11-12 22:29:34,102 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7508 Valid, 12837 Invalid, 1520 Unknown, 0 Unchecked, 54.91ms Time], IncrementalHoareTripleChecker [19 Valid, 1500 Invalid, 1 Unknown, 0 Unchecked, 15186.56ms Time] [2021-11-12 22:29:34,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23942 states. [2021-11-12 22:29:35,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23942 to 23908. [2021-11-12 22:29:35,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23908 states, 16376 states have (on average 1.2545188080117244) internal successors, (20544), 16628 states have internal predecessors, (20544), 6255 states have call successors, (6255), 1304 states have call predecessors, (6255), 1273 states have return successors, (6281), 6149 states have call predecessors, (6281), 6251 states have call successors, (6281) [2021-11-12 22:29:35,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23908 states to 23908 states and 33080 transitions. [2021-11-12 22:29:35,705 INFO L78 Accepts]: Start accepts. Automaton has 23908 states and 33080 transitions. Word has length 182 [2021-11-12 22:29:35,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:29:35,708 INFO L470 AbstractCegarLoop]: Abstraction has 23908 states and 33080 transitions. [2021-11-12 22:29:35,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 4 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-12 22:29:35,710 INFO L276 IsEmpty]: Start isEmpty. Operand 23908 states and 33080 transitions. [2021-11-12 22:29:35,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-12 22:29:35,716 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:29:35,717 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:29:35,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 22:29:35,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:29:35,931 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-12 22:29:35,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:29:35,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1738075297, now seen corresponding path program 1 times [2021-11-12 22:29:35,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:29:35,936 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [330325047] [2021-11-12 22:29:35,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:29:35,937 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:29:35,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:29:35,939 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:29:35,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 22:29:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:29:41,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 2343 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:29:41,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:29:42,398 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2021-11-12 22:29:42,398 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:29:42,986 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2021-11-12 22:29:42,986 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:29:42,987 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [330325047] [2021-11-12 22:29:42,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [330325047] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:29:42,987 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:29:42,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 22:29:42,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960286077] [2021-11-12 22:29:42,988 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:29:42,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:29:42,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:29:42,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:29:42,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:29:42,990 INFO L87 Difference]: Start difference. First operand 23908 states and 33080 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 4 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-12 22:29:45,251 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:29:58,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:29:58,700 INFO L93 Difference]: Finished difference Result 94873 states and 131600 transitions. [2021-11-12 22:29:58,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:29:58,701 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 4 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 196 [2021-11-12 22:29:58,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:29:59,189 INFO L225 Difference]: With dead ends: 94873 [2021-11-12 22:29:59,189 INFO L226 Difference]: Without dead ends: 70998 [2021-11-12 22:29:59,684 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:29:59,688 INFO L933 BasicCegarLoop]: 5635 mSDtfsCounter, 7561 mSDsluCounter, 8909 mSDsCounter, 0 mSdLazyCounter, 1472 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12452.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7561 SdHoareTripleChecker+Valid, 14544 SdHoareTripleChecker+Invalid, 1486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 57.68ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1472 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13335.89ms IncrementalHoareTripleChecker+Time [2021-11-12 22:29:59,690 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7561 Valid, 14544 Invalid, 1486 Unknown, 0 Unchecked, 57.68ms Time], IncrementalHoareTripleChecker [13 Valid, 1472 Invalid, 1 Unknown, 0 Unchecked, 13335.89ms Time] [2021-11-12 22:29:59,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70998 states. [2021-11-12 22:30:03,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70998 to 70900. [2021-11-12 22:30:03,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70900 states, 48596 states have (on average 1.255411968063215) internal successors, (61008), 49376 states have internal predecessors, (61008), 18537 states have call successors, (18537), 3884 states have call predecessors, (18537), 3763 states have return successors, (18857), 18125 states have call predecessors, (18857), 18533 states have call successors, (18857) [2021-11-12 22:30:04,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70900 states to 70900 states and 98402 transitions. [2021-11-12 22:30:04,649 INFO L78 Accepts]: Start accepts. Automaton has 70900 states and 98402 transitions. Word has length 196 [2021-11-12 22:30:04,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:30:04,651 INFO L470 AbstractCegarLoop]: Abstraction has 70900 states and 98402 transitions. [2021-11-12 22:30:04,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 4 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-12 22:30:04,651 INFO L276 IsEmpty]: Start isEmpty. Operand 70900 states and 98402 transitions. [2021-11-12 22:30:04,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-12 22:30:04,660 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:30:04,661 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:30:04,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 22:30:04,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:30:04,887 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-12 22:30:04,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:30:04,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1468045676, now seen corresponding path program 1 times [2021-11-12 22:30:05,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:30:05,071 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1018221436] [2021-11-12 22:30:05,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:30:05,072 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:30:05,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:30:05,073 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:30:05,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 22:30:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:30:10,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 2327 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:30:10,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:30:11,465 INFO L134 CoverageAnalysis]: Checked inductivity of 913 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2021-11-12 22:30:11,465 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:30:12,281 INFO L134 CoverageAnalysis]: Checked inductivity of 913 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2021-11-12 22:30:12,282 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:30:12,282 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1018221436] [2021-11-12 22:30:12,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1018221436] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:30:12,282 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:30:12,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 22:30:12,283 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388243491] [2021-11-12 22:30:12,283 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:30:12,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:30:12,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:30:12,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:30:12,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:30:12,286 INFO L87 Difference]: Start difference. First operand 70900 states and 98402 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 4 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-12 22:30:14,610 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 [] [2021-11-12 22:30:31,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:30:31,119 INFO L93 Difference]: Finished difference Result 221102 states and 306790 transitions. [2021-11-12 22:30:31,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:30:31,119 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 4 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 204 [2021-11-12 22:30:31,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:30:32,131 INFO L225 Difference]: With dead ends: 221102 [2021-11-12 22:30:32,131 INFO L226 Difference]: Without dead ends: 150235 [2021-11-12 22:30:32,340 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:30:32,341 INFO L933 BasicCegarLoop]: 5379 mSDtfsCounter, 7606 mSDsluCounter, 9766 mSDsCounter, 0 mSdLazyCounter, 1494 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12594.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7606 SdHoareTripleChecker+Valid, 15145 SdHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 42.55ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1494 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13456.20ms IncrementalHoareTripleChecker+Time [2021-11-12 22:30:32,342 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7606 Valid, 15145 Invalid, 1505 Unknown, 0 Unchecked, 42.55ms Time], IncrementalHoareTripleChecker [10 Valid, 1494 Invalid, 1 Unknown, 0 Unchecked, 13456.20ms Time] [2021-11-12 22:30:32,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150235 states. [2021-11-12 22:30:39,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150235 to 150137. [2021-11-12 22:30:39,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150137 states, 102856 states have (on average 1.2549194991055457) internal successors, (129076), 104530 states have internal predecessors, (129076), 39246 states have call successors, (39246), 8278 states have call predecessors, (39246), 8031 states have return successors, (39912), 38362 states have call predecessors, (39912), 39242 states have call successors, (39912) [2021-11-12 22:30:41,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150137 states to 150137 states and 208234 transitions. [2021-11-12 22:30:41,141 INFO L78 Accepts]: Start accepts. Automaton has 150137 states and 208234 transitions. Word has length 204 [2021-11-12 22:30:41,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:30:41,142 INFO L470 AbstractCegarLoop]: Abstraction has 150137 states and 208234 transitions. [2021-11-12 22:30:41,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 4 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-12 22:30:41,142 INFO L276 IsEmpty]: Start isEmpty. Operand 150137 states and 208234 transitions. [2021-11-12 22:30:41,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-12 22:30:41,151 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:30:41,152 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:30:41,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-12 22:30:41,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:30:41,379 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-12 22:30:41,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:30:41,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1097800989, now seen corresponding path program 1 times [2021-11-12 22:30:41,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:30:41,383 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [667383693] [2021-11-12 22:30:41,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:30:41,384 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:30:41,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:30:41,385 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:30:41,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fb4bdf0-e79e-42f7-8bba-f52f920792d7/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 22:30:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:30:47,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 2367 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:30:47,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:30:48,022 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2021-11-12 22:30:48,022 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:30:48,621 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2021-11-12 22:30:48,621 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:30:48,622 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [667383693] [2021-11-12 22:30:48,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [667383693] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:30:48,622 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:30:48,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-12 22:30:48,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939497033] [2021-11-12 22:30:48,622 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:30:48,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 22:30:48,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:30:48,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 22:30:48,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 22:30:48,624 INFO L87 Difference]: Start difference. First operand 150137 states and 208234 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-11-12 22:30:50,913 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:31:00,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:31:00,407 INFO L93 Difference]: Finished difference Result 394152 states and 545234 transitions. [2021-11-12 22:31:00,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 22:31:00,408 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 209 [2021-11-12 22:31:00,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:31:01,822 INFO L225 Difference]: With dead ends: 394152 [2021-11-12 22:31:01,823 INFO L226 Difference]: Without dead ends: 244048 [2021-11-12 22:31:02,191 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 415 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 22:31:02,192 INFO L933 BasicCegarLoop]: 4392 mSDtfsCounter, 2588 mSDsluCounter, 3764 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2760.50ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2588 SdHoareTripleChecker+Valid, 8156 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.50ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2853.94ms IncrementalHoareTripleChecker+Time [2021-11-12 22:31:02,192 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2588 Valid, 8156 Invalid, 95 Unknown, 0 Unchecked, 14.50ms Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 1 Unknown, 0 Unchecked, 2853.94ms Time] [2021-11-12 22:31:02,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244048 states.