./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-wireless-airo.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 817bea8ab76945a5848f42772e9b8e947c5db1a5578e423e156f0a053a32f550 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:40:43,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:40:43,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:40:43,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:40:43,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:40:43,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:40:43,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:40:43,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:40:43,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:40:43,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:40:43,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:40:43,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:40:43,567 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:40:43,569 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:40:43,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:40:43,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:40:43,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:40:43,577 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:40:43,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:40:43,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:40:43,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:40:43,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:40:43,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:40:43,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:40:43,608 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:40:43,608 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:40:43,609 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:40:43,611 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:40:43,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:40:43,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:40:43,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:40:43,618 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:40:43,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:40:43,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:40:43,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:40:43,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:40:43,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:40:43,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:40:43,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:40:43,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:40:43,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:40:43,633 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 13:40:43,690 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:40:43,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:40:43,693 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:40:43,694 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:40:43,694 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:40:43,694 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:40:43,695 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:40:43,695 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:40:43,703 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:40:43,703 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:40:43,705 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:40:43,705 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:40:43,706 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:40:43,706 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:40:43,706 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:40:43,707 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:40:43,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:40:43,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:40:43,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:40:43,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:40:43,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:40:43,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:40:43,709 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:40:43,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:40:43,710 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:40:43,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:40:43,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:40:43,711 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:40:43,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:40:43,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:40:43,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:40:43,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:40:43,715 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:40:43,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:40:43,715 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:40:43,715 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:40:43,716 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:40:43,716 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_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 817bea8ab76945a5848f42772e9b8e947c5db1a5578e423e156f0a053a32f550 [2021-11-19 13:40:44,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:40:44,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:40:44,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:40:44,121 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:40:44,122 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:40:44,124 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i [2021-11-19 13:40:44,229 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/data/44ef8b9d7/059e2b04f6ee44a198c22b2a5f6d20ab/FLAGd3fd5264d [2021-11-19 13:40:45,665 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:40:45,666 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i [2021-11-19 13:40:45,761 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/data/44ef8b9d7/059e2b04f6ee44a198c22b2a5f6d20ab/FLAGd3fd5264d [2021-11-19 13:40:46,123 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/data/44ef8b9d7/059e2b04f6ee44a198c22b2a5f6d20ab [2021-11-19 13:40:46,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:40:46,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:40:46,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:40:46,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:40:46,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:40:46,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:40:46" (1/1) ... [2021-11-19 13:40:46,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37e8753 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:40:46, skipping insertion in model container [2021-11-19 13:40:46,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:40:46" (1/1) ... [2021-11-19 13:40:46,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:40:46,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:40:49,739 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:49,769 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:49,769 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:49,778 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:49,778 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:49,779 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:49,790 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:49,791 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:49,791 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:49,792 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:50,717 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:50,722 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:50,905 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:50,921 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:50,926 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:50,929 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:50,931 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:50,932 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:50,948 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:50,963 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:50,977 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:50,992 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,006 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,022 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,038 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,063 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,074 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,075 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,119 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,121 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,234 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,247 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,273 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,292 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,306 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,322 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,343 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,344 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,484 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,489 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,508 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,509 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,527 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,533 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,547 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,594 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,595 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,597 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,599 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,601 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,604 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,619 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,620 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,622 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,622 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,628 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,637 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,638 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,762 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,764 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,766 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,767 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,768 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,798 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,799 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,800 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,839 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,839 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,840 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,888 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,889 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,889 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,917 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,918 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,918 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,932 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,932 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:51,933 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,000 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,000 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,001 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,016 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,017 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,018 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,026 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,027 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,028 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,033 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,034 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,035 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,039 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,041 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,042 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,052 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,053 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,058 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,059 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,060 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,060 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,061 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,064 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,065 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,129 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,141 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,153 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,170 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,181 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,194 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,205 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,217 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,231 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,248 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,260 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,272 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,283 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,302 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,313 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,330 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,353 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,369 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,389 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,390 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,408 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,408 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,423 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,437 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,450 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,464 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,477 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,491 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,504 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,504 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,564 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,583 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,598 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,610 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,621 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,622 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,623 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,641 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,655 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,690 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,693 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,701 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,713 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,716 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,722 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,729 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,733 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,734 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,734 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,735 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,737 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,739 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,740 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,740 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,751 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,752 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:52,752 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,101 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,118 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,119 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,120 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,122 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,125 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,126 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,127 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,129 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,132 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,133 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,134 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,135 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,138 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,139 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,140 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,141 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,144 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,145 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,146 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,147 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,150 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,151 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,152 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,153 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,156 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,157 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,158 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,159 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,162 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,163 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,164 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,165 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,189 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,189 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,217 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:54,238 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:55,572 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649077,649090] [2021-11-19 13:40:55,576 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649246,649259] [2021-11-19 13:40:55,577 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649413,649426] [2021-11-19 13:40:55,578 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649581,649594] [2021-11-19 13:40:55,626 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:55,627 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:55,635 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:40:55,733 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 13:40:55,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@e62e533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:40:55, skipping insertion in model container [2021-11-19 13:40:55,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:40:55,735 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 13:40:55,738 INFO L158 Benchmark]: Toolchain (without parser) took 9608.53ms. Allocated memory was 119.5MB in the beginning and 241.2MB in the end (delta: 121.6MB). Free memory was 67.3MB in the beginning and 136.4MB in the end (delta: -69.1MB). Peak memory consumption was 80.3MB. Max. memory is 16.1GB. [2021-11-19 13:40:55,740 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 119.5MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:40:55,741 INFO L158 Benchmark]: CACSL2BoogieTranslator took 9605.31ms. Allocated memory was 119.5MB in the beginning and 241.2MB in the end (delta: 121.6MB). Free memory was 67.3MB in the beginning and 137.5MB in the end (delta: -70.2MB). Peak memory consumption was 80.3MB. Max. memory is 16.1GB. [2021-11-19 13:40:55,744 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 119.5MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 9605.31ms. Allocated memory was 119.5MB in the beginning and 241.2MB in the end (delta: 121.6MB). Free memory was 67.3MB in the beginning and 137.5MB in the end (delta: -70.2MB). Peak memory consumption was 80.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6800]: 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_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 817bea8ab76945a5848f42772e9b8e947c5db1a5578e423e156f0a053a32f550 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:40:58,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:40:58,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:40:58,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:40:58,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:40:58,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:40:58,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:40:58,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:40:58,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:40:58,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:40:58,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:40:58,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:40:58,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:40:58,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:40:58,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:40:58,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:40:58,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:40:58,814 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:40:58,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:40:58,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:40:58,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:40:58,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:40:58,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:40:58,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:40:58,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:40:58,851 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:40:58,851 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:40:58,852 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:40:58,853 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:40:58,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:40:58,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:40:58,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:40:58,858 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:40:58,859 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:40:58,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:40:58,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:40:58,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:40:58,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:40:58,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:40:58,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:40:58,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:40:58,867 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 13:40:58,909 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:40:58,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:40:58,910 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:40:58,911 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:40:58,911 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:40:58,911 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:40:58,912 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:40:58,912 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:40:58,912 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:40:58,912 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:40:58,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:40:58,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:40:58,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:40:58,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:40:58,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:40:58,917 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:40:58,917 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 13:40:58,918 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 13:40:58,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:40:58,918 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:40:58,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:40:58,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:40:58,919 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 13:40:58,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:40:58,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:40:58,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:40:58,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:40:58,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:40:58,922 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 13:40:58,922 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 13:40:58,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:40:58,923 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:40:58,923 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:40:58,923 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_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 817bea8ab76945a5848f42772e9b8e947c5db1a5578e423e156f0a053a32f550 [2021-11-19 13:40:59,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:40:59,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:40:59,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:40:59,467 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:40:59,468 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:40:59,469 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i [2021-11-19 13:40:59,567 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/data/0ee276ee0/97e3f7a4c5f7494a8b6773a35ea8742a/FLAGf87ffdc04 [2021-11-19 13:41:01,213 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:41:01,214 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i [2021-11-19 13:41:01,352 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/data/0ee276ee0/97e3f7a4c5f7494a8b6773a35ea8742a/FLAGf87ffdc04 [2021-11-19 13:41:01,664 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/data/0ee276ee0/97e3f7a4c5f7494a8b6773a35ea8742a [2021-11-19 13:41:01,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:41:01,669 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:41:01,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:41:01,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:41:01,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:41:01,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:41:01" (1/1) ... [2021-11-19 13:41:01,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58adc542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:41:01, skipping insertion in model container [2021-11-19 13:41:01,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:41:01" (1/1) ... [2021-11-19 13:41:01,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:41:02,009 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:41:07,336 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:41:11,000 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649077,649090] [2021-11-19 13:41:11,005 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649246,649259] [2021-11-19 13:41:11,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649413,649426] [2021-11-19 13:41:11,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649581,649594] [2021-11-19 13:41:11,078 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:41:11,217 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 13:41:11,355 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:41:12,348 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649077,649090] [2021-11-19 13:41:12,348 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649246,649259] [2021-11-19 13:41:12,349 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649413,649426] [2021-11-19 13:41:12,349 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649581,649594] [2021-11-19 13:41:12,366 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:41:12,430 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:41:13,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649077,649090] [2021-11-19 13:41:13,535 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649246,649259] [2021-11-19 13:41:13,535 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649413,649426] [2021-11-19 13:41:13,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[649581,649594] [2021-11-19 13:41:13,573 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:41:14,310 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:41:14,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:41:14 WrapperNode [2021-11-19 13:41:14,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:41:14,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:41:14,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:41:14,314 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:41:14,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:41:14" (1/1) ... [2021-11-19 13:41:14,574 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:41:14" (1/1) ... [2021-11-19 13:41:15,292 INFO L137 Inliner]: procedures = 747, calls = 6976, calls flagged for inlining = 351, calls inlined = 332, statements flattened = 14063 [2021-11-19 13:41:15,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:41:15,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:41:15,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:41:15,299 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:41:15,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:41:14" (1/1) ... [2021-11-19 13:41:15,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:41:14" (1/1) ... [2021-11-19 13:41:15,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:41:14" (1/1) ... [2021-11-19 13:41:15,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:41:14" (1/1) ... [2021-11-19 13:41:15,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:41:14" (1/1) ... [2021-11-19 13:41:15,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:41:14" (1/1) ... [2021-11-19 13:41:15,995 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:41:14" (1/1) ... [2021-11-19 13:41:16,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:41:16,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:41:16,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:41:16,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:41:16,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:41:14" (1/1) ... [2021-11-19 13:41:16,139 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:41:16,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:41:16,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:41:16,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:41:16,363 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_writerid [2021-11-19 13:41:16,363 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_writerid [2021-11-19 13:41:16,363 INFO L130 BoogieDeclarations]: Found specification of procedure reset_card [2021-11-19 13:41:16,364 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_card [2021-11-19 13:41:16,364 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-19 13:41:16,364 INFO L130 BoogieDeclarations]: Found specification of procedure readStatusRid [2021-11-19 13:41:16,364 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatusRid [2021-11-19 13:41:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-19 13:41:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure reset_airo_card [2021-11-19 13:41:16,365 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_airo_card [2021-11-19 13:41:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-11-19 13:41:16,366 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-11-19 13:41:16,366 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_crt [2021-11-19 13:41:16,366 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_crt [2021-11-19 13:41:16,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 13:41:16,367 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 13:41:16,367 INFO L130 BoogieDeclarations]: Found specification of procedure wifi_setup [2021-11-19 13:41:16,367 INFO L138 BoogieDeclarations]: Found implementation of procedure wifi_setup [2021-11-19 13:41:16,367 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-19 13:41:16,367 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-19 13:41:16,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 13:41:16,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 13:41:16,368 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_spy_update [2021-11-19 13:41:16,368 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_spy_update [2021-11-19 13:41:16,369 INFO L130 BoogieDeclarations]: Found specification of procedure age_mic_context [2021-11-19 13:41:16,370 INFO L138 BoogieDeclarations]: Found implementation of procedure age_mic_context [2021-11-19 13:41:16,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 13:41:16,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 13:41:16,371 INFO L130 BoogieDeclarations]: Found specification of procedure setup_card [2021-11-19 13:41:16,371 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_card [2021-11-19 13:41:16,371 INFO L130 BoogieDeclarations]: Found specification of procedure airo_networks_free [2021-11-19 13:41:16,372 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_networks_free [2021-11-19 13:41:16,372 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2021-11-19 13:41:16,372 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2021-11-19 13:41:16,372 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2021-11-19 13:41:16,373 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2021-11-19 13:41:16,373 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-19 13:41:16,373 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-19 13:41:16,373 INFO L130 BoogieDeclarations]: Found specification of procedure airo_close [2021-11-19 13:41:16,374 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_close [2021-11-19 13:41:16,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_62 [2021-11-19 13:41:16,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_62 [2021-11-19 13:41:16,376 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_error [2021-11-19 13:41:16,376 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_error [2021-11-19 13:41:16,377 INFO L130 BoogieDeclarations]: Found specification of procedure sniffing_mode [2021-11-19 13:41:16,377 INFO L138 BoogieDeclarations]: Found implementation of procedure sniffing_mode [2021-11-19 13:41:16,377 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 13:41:16,377 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 13:41:16,378 INFO L130 BoogieDeclarations]: Found specification of procedure header_len [2021-11-19 13:41:16,378 INFO L138 BoogieDeclarations]: Found implementation of procedure header_len [2021-11-19 13:41:16,378 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-11-19 13:41:16,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-11-19 13:41:16,379 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2021-11-19 13:41:16,379 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2021-11-19 13:41:16,380 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-11-19 13:41:16,380 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-11-19 13:41:16,380 INFO L130 BoogieDeclarations]: Found specification of procedure readSsidRid [2021-11-19 13:41:16,381 INFO L138 BoogieDeclarations]: Found implementation of procedure readSsidRid [2021-11-19 13:41:16,381 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-19 13:41:16,382 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_final [2021-11-19 13:41:16,382 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_final [2021-11-19 13:41:16,382 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-19 13:41:16,382 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-19 13:41:16,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 13:41:16,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 13:41:16,383 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2021-11-19 13:41:16,383 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2021-11-19 13:41:16,383 INFO L130 BoogieDeclarations]: Found specification of procedure down_trylock [2021-11-19 13:41:16,384 INFO L138 BoogieDeclarations]: Found implementation of procedure down_trylock [2021-11-19 13:41:16,384 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-11-19 13:41:16,384 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-11-19 13:41:16,385 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-19 13:41:16,385 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-19 13:41:16,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 13:41:16,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 13:41:16,386 INFO L130 BoogieDeclarations]: Found specification of procedure enable_MAC [2021-11-19 13:41:16,386 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_MAC [2021-11-19 13:41:16,386 INFO L130 BoogieDeclarations]: Found specification of procedure OUT4500 [2021-11-19 13:41:16,387 INFO L138 BoogieDeclarations]: Found implementation of procedure OUT4500 [2021-11-19 13:41:16,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:41:16,388 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-19 13:41:16,388 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-19 13:41:16,388 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_send_packet [2021-11-19 13:41:16,389 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_send_packet [2021-11-19 13:41:16,389 INFO L130 BoogieDeclarations]: Found specification of procedure PDE_DATA [2021-11-19 13:41:16,389 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE_DATA [2021-11-19 13:41:16,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 13:41:16,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 13:41:16,390 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-11-19 13:41:16,390 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-11-19 13:41:16,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 13:41:16,391 INFO L130 BoogieDeclarations]: Found specification of procedure airo_ioctl [2021-11-19 13:41:16,391 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_ioctl [2021-11-19 13:41:16,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 13:41:16,391 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-19 13:41:16,392 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-19 13:41:16,392 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-19 13:41:16,393 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-19 13:41:16,393 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 13:41:16,393 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 13:41:16,393 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit11 [2021-11-19 13:41:16,394 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit11 [2021-11-19 13:41:16,395 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-19 13:41:16,398 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-19 13:41:16,399 INFO L130 BoogieDeclarations]: Found specification of procedure airo_change_mtu [2021-11-19 13:41:16,399 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_change_mtu [2021-11-19 13:41:16,399 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-19 13:41:16,401 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-19 13:41:16,401 INFO L130 BoogieDeclarations]: Found specification of procedure disable_interrupts [2021-11-19 13:41:16,402 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_interrupts [2021-11-19 13:41:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 13:41:16,403 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 13:41:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-19 13:41:16,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-19 13:41:16,410 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-19 13:41:16,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-19 13:41:16,410 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2021-11-19 13:41:16,411 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2021-11-19 13:41:16,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 13:41:16,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 13:41:16,411 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_remove [2021-11-19 13:41:16,412 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_remove [2021-11-19 13:41:16,412 INFO L130 BoogieDeclarations]: Found specification of procedure aux_setup [2021-11-19 13:41:16,412 INFO L138 BoogieDeclarations]: Found implementation of procedure aux_setup [2021-11-19 13:41:16,412 INFO L130 BoogieDeclarations]: Found specification of procedure writeConfigRid [2021-11-19 13:41:16,413 INFO L138 BoogieDeclarations]: Found implementation of procedure writeConfigRid [2021-11-19 13:41:16,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 13:41:16,413 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 13:41:16,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 13:41:16,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 13:41:16,414 INFO L130 BoogieDeclarations]: Found specification of procedure readCapabilityRid [2021-11-19 13:41:16,414 INFO L138 BoogieDeclarations]: Found implementation of procedure readCapabilityRid [2021-11-19 13:41:16,414 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-11-19 13:41:16,414 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-11-19 13:41:16,414 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-11-19 13:41:16,415 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-11-19 13:41:16,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 13:41:16,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 13:41:16,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs [2021-11-19 13:41:16,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs [2021-11-19 13:41:16,416 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-19 13:41:16,416 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-19 13:41:16,416 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-19 13:41:16,416 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-19 13:41:16,417 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-19 13:41:16,417 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-19 13:41:16,417 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-19 13:41:16,417 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-19 13:41:16,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-19 13:41:16,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-19 13:41:16,418 INFO L130 BoogieDeclarations]: Found specification of procedure writeWepKeyRid [2021-11-19 13:41:16,418 INFO L138 BoogieDeclarations]: Found implementation of procedure writeWepKeyRid [2021-11-19 13:41:16,418 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create_data [2021-11-19 13:41:16,419 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_create_data [2021-11-19 13:41:16,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 13:41:16,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-19 13:41:16,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-19 13:41:16,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 13:41:16,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 13:41:16,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-19 13:41:16,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-19 13:41:16,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-11-19 13:41:16,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-11-19 13:41:16,421 INFO L130 BoogieDeclarations]: Found specification of procedure del_airo_dev [2021-11-19 13:41:16,421 INFO L138 BoogieDeclarations]: Found implementation of procedure del_airo_dev [2021-11-19 13:41:16,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:41:16,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 13:41:16,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 13:41:16,422 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 13:41:16,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 13:41:16,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 13:41:16,422 INFO L130 BoogieDeclarations]: Found specification of procedure writeSsidRid [2021-11-19 13:41:16,422 INFO L138 BoogieDeclarations]: Found implementation of procedure writeSsidRid [2021-11-19 13:41:16,423 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 13:41:16,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 13:41:16,423 INFO L130 BoogieDeclarations]: Found specification of procedure MoveWindow [2021-11-19 13:41:16,423 INFO L138 BoogieDeclarations]: Found implementation of procedure MoveWindow [2021-11-19 13:41:16,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 13:41:16,424 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2021-11-19 13:41:16,424 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2021-11-19 13:41:16,424 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 13:41:16,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 13:41:16,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 13:41:16,425 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-19 13:41:16,425 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-19 13:41:16,425 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_tfm [2021-11-19 13:41:16,425 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_tfm [2021-11-19 13:41:16,426 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-19 13:41:16,426 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-19 13:41:16,426 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-19 13:41:16,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-19 13:41:16,427 INFO L130 BoogieDeclarations]: Found specification of procedure proc_close [2021-11-19 13:41:16,427 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_close [2021-11-19 13:41:16,427 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 13:41:16,427 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 13:41:16,427 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_multicast_list [2021-11-19 13:41:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_multicast_list [2021-11-19 13:41:16,428 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-19 13:41:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-19 13:41:16,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-19 13:41:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-19 13:41:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_key [2021-11-19 13:41:16,429 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_key [2021-11-19 13:41:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure writeAPListRid [2021-11-19 13:41:16,429 INFO L138 BoogieDeclarations]: Found implementation of procedure writeAPListRid [2021-11-19 13:41:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-19 13:41:16,430 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-19 13:41:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 13:41:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure freezing [2021-11-19 13:41:16,430 INFO L138 BoogieDeclarations]: Found implementation of procedure freezing [2021-11-19 13:41:16,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:41:16,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:41:16,431 INFO L130 BoogieDeclarations]: Found specification of procedure proc_stats_rid_open [2021-11-19 13:41:16,431 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_stats_rid_open [2021-11-19 13:41:16,431 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-19 13:41:16,432 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-19 13:41:16,432 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2021-11-19 13:41:16,432 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2021-11-19 13:41:16,432 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-19 13:41:16,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-19 13:41:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2021-11-19 13:41:16,433 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2021-11-19 13:41:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 13:41:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-19 13:41:16,433 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-19 13:41:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-19 13:41:16,434 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-19 13:41:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2021-11-19 13:41:16,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2021-11-19 13:41:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 13:41:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure IN4500 [2021-11-19 13:41:16,441 INFO L138 BoogieDeclarations]: Found implementation of procedure IN4500 [2021-11-19 13:41:16,441 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-11-19 13:41:16,441 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-11-19 13:41:16,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 13:41:16,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 13:41:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 13:41:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 13:41:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 13:41:16,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 13:41:16,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_aux_lock_of_airo_info [2021-11-19 13:41:16,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_aux_lock_of_airo_info [2021-11-19 13:41:16,446 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2021-11-19 13:41:16,446 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2021-11-19 13:41:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 13:41:16,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 13:41:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-19 13:41:16,447 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-19 13:41:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure bap_write [2021-11-19 13:41:16,448 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_write [2021-11-19 13:41:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure _init_airo_card [2021-11-19 13:41:16,448 INFO L138 BoogieDeclarations]: Found implementation of procedure _init_airo_card [2021-11-19 13:41:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure waitbusy [2021-11-19 13:41:16,448 INFO L138 BoogieDeclarations]: Found implementation of procedure waitbusy [2021-11-19 13:41:16,449 INFO L130 BoogieDeclarations]: Found specification of procedure decapsulate [2021-11-19 13:41:16,449 INFO L138 BoogieDeclarations]: Found implementation of procedure decapsulate [2021-11-19 13:41:16,449 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2021-11-19 13:41:16,449 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2021-11-19 13:41:16,449 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir_mode [2021-11-19 13:41:16,450 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir_mode [2021-11-19 13:41:16,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 13:41:16,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 13:41:16,450 INFO L130 BoogieDeclarations]: Found specification of procedure readBSSListRid [2021-11-19 13:41:16,450 INFO L138 BoogieDeclarations]: Found implementation of procedure readBSSListRid [2021-11-19 13:41:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-19 13:41:16,451 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-19 13:41:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_airo_cleanup_module_23_2 [2021-11-19 13:41:16,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_airo_cleanup_module_23_2 [2021-11-19 13:41:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2021-11-19 13:41:16,452 INFO L138 BoogieDeclarations]: Found implementation of procedure insw [2021-11-19 13:41:16,452 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-19 13:41:16,452 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-19 13:41:16,452 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_tx_idx [2021-11-19 13:41:16,452 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_tx_idx [2021-11-19 13:41:16,453 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-19 13:41:16,453 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-19 13:41:16,453 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-19 13:41:16,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-19 13:41:16,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:41:16,454 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 13:41:16,454 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 13:41:16,454 INFO L130 BoogieDeclarations]: Found specification of procedure proc_write [2021-11-19 13:41:16,454 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_write [2021-11-19 13:41:16,454 INFO L130 BoogieDeclarations]: Found specification of procedure up [2021-11-19 13:41:16,455 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2021-11-19 13:41:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 13:41:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-11-19 13:41:16,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-11-19 13:41:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_subtree [2021-11-19 13:41:16,456 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_subtree [2021-11-19 13:41:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_allocate [2021-11-19 13:41:16,456 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_allocate [2021-11-19 13:41:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-19 13:41:16,456 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-19 13:41:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure proc_read [2021-11-19 13:41:16,457 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_read [2021-11-19 13:41:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 13:41:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 13:41:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 13:41:16,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 13:41:16,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 13:41:16,458 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-19 13:41:16,458 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-19 13:41:16,458 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_accessrid [2021-11-19 13:41:16,459 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_accessrid [2021-11-19 13:41:16,459 INFO L130 BoogieDeclarations]: Found specification of procedure airo_send_event [2021-11-19 13:41:16,459 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_send_event [2021-11-19 13:41:16,459 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-19 13:41:16,459 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-19 13:41:16,459 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-19 13:41:16,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-19 13:41:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_resume [2021-11-19 13:41:16,460 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_resume [2021-11-19 13:41:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-19 13:41:16,460 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-19 13:41:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 13:41:16,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 13:41:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure hex_to_bin [2021-11-19 13:41:16,461 INFO L138 BoogieDeclarations]: Found implementation of procedure hex_to_bin [2021-11-19 13:41:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure try_auto_wep [2021-11-19 13:41:16,462 INFO L138 BoogieDeclarations]: Found implementation of procedure try_auto_wep [2021-11-19 13:41:16,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-19 13:41:16,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-19 13:41:16,462 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-11-19 13:41:16,462 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-11-19 13:41:16,463 INFO L130 BoogieDeclarations]: Found specification of procedure bap_read [2021-11-19 13:41:16,463 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_read [2021-11-19 13:41:16,463 INFO L130 BoogieDeclarations]: Found specification of procedure issuecommand [2021-11-19 13:41:16,463 INFO L138 BoogieDeclarations]: Found implementation of procedure issuecommand [2021-11-19 13:41:16,463 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-19 13:41:16,464 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-19 13:41:16,464 INFO L130 BoogieDeclarations]: Found specification of procedure bap_setup [2021-11-19 13:41:16,464 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_setup [2021-11-19 13:41:16,464 INFO L130 BoogieDeclarations]: Found specification of procedure readAPListRid [2021-11-19 13:41:16,464 INFO L138 BoogieDeclarations]: Found implementation of procedure readAPListRid [2021-11-19 13:41:16,464 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-19 13:41:16,465 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-19 13:41:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-19 13:41:16,465 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-19 13:41:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_stats [2021-11-19 13:41:16,465 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_stats [2021-11-19 13:41:16,466 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit [2021-11-19 13:41:16,466 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit [2021-11-19 13:41:16,466 INFO L130 BoogieDeclarations]: Found specification of procedure readConfigRid [2021-11-19 13:41:16,466 INFO L138 BoogieDeclarations]: Found implementation of procedure readConfigRid [2021-11-19 13:41:16,466 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-19 13:41:16,467 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-19 13:41:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-19 13:41:16,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-19 13:41:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 13:41:16,467 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 13:41:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2021-11-19 13:41:16,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2021-11-19 13:41:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-11-19 13:41:16,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-11-19 13:41:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure airo_open [2021-11-19 13:41:16,469 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_open [2021-11-19 13:41:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure stop_airo_card [2021-11-19 13:41:16,469 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_airo_card [2021-11-19 13:41:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 13:41:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 13:41:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 13:41:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 13:41:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_update [2021-11-19 13:41:16,470 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_update [2021-11-19 13:41:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-11-19 13:41:16,471 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-11-19 13:41:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-19 13:41:16,472 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-19 13:41:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 13:41:16,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 13:41:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure readWepKeyRid [2021-11-19 13:41:16,478 INFO L138 BoogieDeclarations]: Found implementation of procedure readWepKeyRid [2021-11-19 13:41:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2021-11-19 13:41:16,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2021-11-19 13:41:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_unmap_card [2021-11-19 13:41:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_unmap_card [2021-11-19 13:41:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-19 13:41:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-19 13:41:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-19 13:41:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-19 13:41:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure proc_set_user [2021-11-19 13:41:16,480 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_set_user [2021-11-19 13:41:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-19 13:41:16,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-19 13:41:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-11-19 13:41:16,481 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-11-19 13:41:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 13:41:16,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 13:41:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure airo_get_stats [2021-11-19 13:41:16,483 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_get_stats [2021-11-19 13:41:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_readrid [2021-11-19 13:41:16,483 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_readrid [2021-11-19 13:41:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-19 13:41:16,484 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-19 13:41:16,484 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_init_descriptors [2021-11-19 13:41:16,484 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_init_descriptors [2021-11-19 13:41:16,484 INFO L130 BoogieDeclarations]: Found specification of procedure get_dec_u16 [2021-11-19 13:41:16,484 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dec_u16 [2021-11-19 13:41:16,485 INFO L130 BoogieDeclarations]: Found specification of procedure enable_interrupts [2021-11-19 13:41:16,485 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_interrupts [2021-11-19 13:41:16,485 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-19 13:41:16,485 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-19 13:41:16,485 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_wireless_stats [2021-11-19 13:41:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_wireless_stats [2021-11-19 13:41:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2021-11-19 13:41:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2021-11-19 13:41:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-19 13:41:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-19 13:41:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_mac_address [2021-11-19 13:41:16,487 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_mac_address [2021-11-19 13:41:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 13:41:16,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 13:41:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_init [2021-11-19 13:41:16,487 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_init [2021-11-19 13:41:16,488 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-19 13:41:16,488 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-19 13:41:16,488 INFO L130 BoogieDeclarations]: Found specification of procedure disable_MAC [2021-11-19 13:41:16,488 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_MAC [2021-11-19 13:41:16,488 INFO L130 BoogieDeclarations]: Found specification of procedure readStatsRid [2021-11-19 13:41:16,489 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatsRid [2021-11-19 13:41:16,489 INFO L130 BoogieDeclarations]: Found specification of procedure encapsulate [2021-11-19 13:41:16,489 INFO L138 BoogieDeclarations]: Found implementation of procedure encapsulate [2021-11-19 13:41:16,489 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_promisc [2021-11-19 13:41:16,489 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_promisc [2021-11-19 13:41:18,549 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:41:18,559 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:41:21,229 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 13:44:37,620 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 13:44:40,075 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:44:40,119 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:44:40,120 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-19 13:44:40,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:44:40 BoogieIcfgContainer [2021-11-19 13:44:40,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:44:40,130 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:44:40,130 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:44:40,133 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:44:40,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:41:01" (1/3) ... [2021-11-19 13:44:40,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@705bcd01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:44:40, skipping insertion in model container [2021-11-19 13:44:40,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:41:14" (2/3) ... [2021-11-19 13:44:40,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@705bcd01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:44:40, skipping insertion in model container [2021-11-19 13:44:40,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:44:40" (3/3) ... [2021-11-19 13:44:40,137 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i [2021-11-19 13:44:40,144 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:44:40,144 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-19 13:44:40,228 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 13:44:40,235 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 13:44:40,236 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-19 13:44:40,383 INFO L276 IsEmpty]: Start isEmpty. Operand has 4926 states, 3318 states have (on average 1.331525015069319) internal successors, (4418), 3434 states have internal predecessors, (4418), 1412 states have call successors, (1412), 195 states have call predecessors, (1412), 194 states have return successors, (1405), 1358 states have call predecessors, (1405), 1405 states have call successors, (1405) [2021-11-19 13:44:40,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 682 [2021-11-19 13:44:40,449 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:44:40,451 INFO L514 BasicCegarLoop]: trace histogram [60, 60, 59, 59, 59, 59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:44:40,452 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 13:44:40,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:44:40,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1993315948, now seen corresponding path program 1 times [2021-11-19 13:44:40,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:44:40,491 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1558983334] [2021-11-19 13:44:40,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:44:40,492 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:44:40,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:44:40,496 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:44:40,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 13:44:46,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:44:47,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 4659 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:44:47,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:44:49,847 INFO L134 CoverageAnalysis]: Checked inductivity of 15576 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 15399 trivial. 0 not checked. [2021-11-19 13:44:49,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:44:52,171 INFO L134 CoverageAnalysis]: Checked inductivity of 15576 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15576 trivial. 0 not checked. [2021-11-19 13:44:52,172 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:44:52,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1558983334] [2021-11-19 13:44:52,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1558983334] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:44:52,173 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:44:52,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:44:52,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392056099] [2021-11-19 13:44:52,176 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:44:52,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:44:52,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:44:52,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:44:52,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:44:52,231 INFO L87 Difference]: Start difference. First operand has 4926 states, 3318 states have (on average 1.331525015069319) internal successors, (4418), 3434 states have internal predecessors, (4418), 1412 states have call successors, (1412), 195 states have call predecessors, (1412), 194 states have return successors, (1405), 1358 states have call predecessors, (1405), 1405 states have call successors, (1405) Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 4 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (64), 4 states have call predecessors, (64), 4 states have call successors, (64) [2021-11-19 13:44:54,955 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:45:58,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:45:58,863 INFO L93 Difference]: Finished difference Result 18966 states and 28604 transitions. [2021-11-19 13:45:58,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:45:58,865 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 4 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (64), 4 states have call predecessors, (64), 4 states have call successors, (64) Word has length 681 [2021-11-19 13:45:58,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:45:59,044 INFO L225 Difference]: With dead ends: 18966 [2021-11-19 13:45:59,044 INFO L226 Difference]: Without dead ends: 14144 [2021-11-19 13:45:59,121 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1360 GetRequests, 1358 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:45:59,124 INFO L933 BasicCegarLoop]: 9800 mSDtfsCounter, 13750 mSDsluCounter, 13065 mSDsCounter, 0 mSdLazyCounter, 2717 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13750 SdHoareTripleChecker+Valid, 22865 SdHoareTripleChecker+Invalid, 2749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 2717 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:45:59,125 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13750 Valid, 22865 Invalid, 2749 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [31 Valid, 2717 Invalid, 1 Unknown, 0 Unchecked, 65.4s Time] [2021-11-19 13:45:59,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14144 states. [2021-11-19 13:46:00,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14144 to 14118. [2021-11-19 13:46:00,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14118 states, 9555 states have (on average 1.3334379905808478) internal successors, (12741), 9902 states have internal predecessors, (12741), 3990 states have call successors, (3990), 571 states have call predecessors, (3990), 570 states have return successors, (3986), 3845 states have call predecessors, (3986), 3986 states have call successors, (3986) [2021-11-19 13:46:00,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14118 states to 14118 states and 20717 transitions. [2021-11-19 13:46:00,230 INFO L78 Accepts]: Start accepts. Automaton has 14118 states and 20717 transitions. Word has length 681 [2021-11-19 13:46:00,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:46:00,236 INFO L470 AbstractCegarLoop]: Abstraction has 14118 states and 20717 transitions. [2021-11-19 13:46:00,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 4 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (64), 4 states have call predecessors, (64), 4 states have call successors, (64) [2021-11-19 13:46:00,238 INFO L276 IsEmpty]: Start isEmpty. Operand 14118 states and 20717 transitions. [2021-11-19 13:46:00,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 692 [2021-11-19 13:46:00,279 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:46:00,281 INFO L514 BasicCegarLoop]: trace histogram [60, 60, 59, 59, 59, 59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:46:00,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 13:46:00,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:46:00,507 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 13:46:00,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:46:00,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1809268356, now seen corresponding path program 1 times [2021-11-19 13:46:00,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:46:00,517 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [332224499] [2021-11-19 13:46:00,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:46:00,517 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:46:00,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:46:00,519 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:46:00,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 13:46:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:46:07,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 4698 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:46:07,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:46:09,696 INFO L134 CoverageAnalysis]: Checked inductivity of 15576 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 15399 trivial. 0 not checked. [2021-11-19 13:46:09,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:46:12,459 INFO L134 CoverageAnalysis]: Checked inductivity of 15576 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15576 trivial. 0 not checked. [2021-11-19 13:46:12,459 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:46:12,460 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [332224499] [2021-11-19 13:46:12,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [332224499] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:46:12,460 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:46:12,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 13:46:12,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001061097] [2021-11-19 13:46:12,461 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:46:12,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 13:46:12,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:46:12,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 13:46:12,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:46:12,466 INFO L87 Difference]: Start difference. First operand 14118 states and 20717 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (64), 3 states have call predecessors, (64), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2021-11-19 13:46:15,297 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:46:17,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:46:17,890 INFO L93 Difference]: Finished difference Result 41910 states and 61543 transitions. [2021-11-19 13:46:17,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:46:17,891 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (64), 3 states have call predecessors, (64), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) Word has length 691 [2021-11-19 13:46:17,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:46:18,219 INFO L225 Difference]: With dead ends: 41910 [2021-11-19 13:46:18,219 INFO L226 Difference]: Without dead ends: 27915 [2021-11-19 13:46:18,351 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1380 GetRequests, 1379 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:46:18,352 INFO L933 BasicCegarLoop]: 8525 mSDtfsCounter, 6886 mSDsluCounter, 7142 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6886 SdHoareTripleChecker+Valid, 15667 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:46:18,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6886 Valid, 15667 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 41 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2021-11-19 13:46:18,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27915 states. [2021-11-19 13:46:20,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27915 to 27890. [2021-11-19 13:46:20,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27890 states, 18902 states have (on average 1.3341974394243996) internal successors, (25219), 19594 states have internal predecessors, (25219), 7849 states have call successors, (7849), 1137 states have call predecessors, (7849), 1136 states have return successors, (7892), 7560 states have call predecessors, (7892), 7845 states have call successors, (7892) [2021-11-19 13:46:21,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27890 states to 27890 states and 40960 transitions. [2021-11-19 13:46:21,066 INFO L78 Accepts]: Start accepts. Automaton has 27890 states and 40960 transitions. Word has length 691 [2021-11-19 13:46:21,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:46:21,069 INFO L470 AbstractCegarLoop]: Abstraction has 27890 states and 40960 transitions. [2021-11-19 13:46:21,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (64), 3 states have call predecessors, (64), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2021-11-19 13:46:21,069 INFO L276 IsEmpty]: Start isEmpty. Operand 27890 states and 40960 transitions. [2021-11-19 13:46:21,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2021-11-19 13:46:21,123 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:46:21,124 INFO L514 BasicCegarLoop]: trace histogram [60, 60, 59, 59, 59, 59, 59, 59, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:46:21,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 13:46:21,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:46:21,325 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 13:46:21,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:46:21,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1239665806, now seen corresponding path program 1 times [2021-11-19 13:46:21,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:46:21,331 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1317035429] [2021-11-19 13:46:21,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:46:21,331 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:46:21,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:46:21,333 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:46:21,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 13:46:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:46:27,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 4767 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:46:28,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:46:31,136 INFO L134 CoverageAnalysis]: Checked inductivity of 15585 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 15408 trivial. 0 not checked. [2021-11-19 13:46:31,137 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:46:34,259 INFO L134 CoverageAnalysis]: Checked inductivity of 15585 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15585 trivial. 0 not checked. [2021-11-19 13:46:34,259 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:46:34,259 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1317035429] [2021-11-19 13:46:34,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1317035429] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:46:34,259 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:46:34,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:46:34,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055514573] [2021-11-19 13:46:34,260 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:46:34,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:46:34,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:46:34,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:46:34,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:46:34,264 INFO L87 Difference]: Start difference. First operand 27890 states and 40960 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 4 states have call successors, (72), 3 states have call predecessors, (72), 3 states have return successors, (70), 4 states have call predecessors, (70), 4 states have call successors, (70) [2021-11-19 13:46:37,112 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:47:41,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:47:41,263 INFO L93 Difference]: Finished difference Result 105203 states and 154610 transitions. [2021-11-19 13:47:41,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:47:41,264 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 4 states have call successors, (72), 3 states have call predecessors, (72), 3 states have return successors, (70), 4 states have call predecessors, (70), 4 states have call successors, (70) Word has length 717 [2021-11-19 13:47:41,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:47:41,787 INFO L225 Difference]: With dead ends: 105203 [2021-11-19 13:47:41,788 INFO L226 Difference]: Without dead ends: 77436 [2021-11-19 13:47:42,145 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1432 GetRequests, 1430 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:47:42,148 INFO L933 BasicCegarLoop]: 9771 mSDtfsCounter, 16558 mSDsluCounter, 10892 mSDsCounter, 0 mSdLazyCounter, 2556 mSolverCounterSat, 2446 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16558 SdHoareTripleChecker+Valid, 20663 SdHoareTripleChecker+Invalid, 5003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2446 IncrementalHoareTripleChecker+Valid, 2556 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:47:42,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16558 Valid, 20663 Invalid, 5003 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2446 Valid, 2556 Invalid, 1 Unknown, 0 Unchecked, 64.4s Time] [2021-11-19 13:47:42,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77436 states. [2021-11-19 13:47:46,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77436 to 77362. [2021-11-19 13:47:46,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77362 states, 52414 states have (on average 1.3319914526653185) internal successors, (69815), 54342 states have internal predecessors, (69815), 21701 states have call successors, (21701), 3245 states have call predecessors, (21701), 3244 states have return successors, (22196), 20812 states have call predecessors, (22196), 21697 states have call successors, (22196) [2021-11-19 13:47:47,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77362 states to 77362 states and 113712 transitions. [2021-11-19 13:47:47,707 INFO L78 Accepts]: Start accepts. Automaton has 77362 states and 113712 transitions. Word has length 717 [2021-11-19 13:47:47,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:47:47,710 INFO L470 AbstractCegarLoop]: Abstraction has 77362 states and 113712 transitions. [2021-11-19 13:47:47,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 4 states have call successors, (72), 3 states have call predecessors, (72), 3 states have return successors, (70), 4 states have call predecessors, (70), 4 states have call successors, (70) [2021-11-19 13:47:47,711 INFO L276 IsEmpty]: Start isEmpty. Operand 77362 states and 113712 transitions. [2021-11-19 13:47:47,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 787 [2021-11-19 13:47:47,970 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:47:47,971 INFO L514 BasicCegarLoop]: trace histogram [62, 62, 59, 59, 59, 59, 59, 59, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:47:48,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 13:47:48,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:47:48,185 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 13:47:48,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:47:48,186 INFO L85 PathProgramCache]: Analyzing trace with hash -785473828, now seen corresponding path program 1 times [2021-11-19 13:47:48,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:47:48,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [697638957] [2021-11-19 13:47:48,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:47:48,194 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:47:48,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:47:48,195 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:47:48,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 13:47:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:47:54,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 4925 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:47:54,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:48:25,901 INFO L134 CoverageAnalysis]: Checked inductivity of 16051 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16051 trivial. 0 not checked. [2021-11-19 13:48:25,901 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:48:35,077 INFO L134 CoverageAnalysis]: Checked inductivity of 16051 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16051 trivial. 0 not checked. [2021-11-19 13:48:35,077 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:48:35,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [697638957] [2021-11-19 13:48:35,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [697638957] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:48:35,078 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:48:35,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2021-11-19 13:48:35,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348636445] [2021-11-19 13:48:35,079 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:48:35,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 13:48:35,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:48:35,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 13:48:35,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:48:35,083 INFO L87 Difference]: Start difference. First operand 77362 states and 113712 transitions. Second operand has 7 states, 7 states have (on average 20.571428571428573) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (149), 4 states have call predecessors, (149), 2 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2021-11-19 13:48:38,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:48:38,892 INFO L93 Difference]: Finished difference Result 77368 states and 113717 transitions. [2021-11-19 13:48:38,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:48:38,893 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.571428571428573) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (149), 4 states have call predecessors, (149), 2 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) Word has length 786 [2021-11-19 13:48:38,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:48:39,413 INFO L225 Difference]: With dead ends: 77368 [2021-11-19 13:48:39,413 INFO L226 Difference]: Without dead ends: 77366 [2021-11-19 13:48:39,460 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1573 GetRequests, 1565 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:48:39,463 INFO L933 BasicCegarLoop]: 7175 mSDtfsCounter, 6915 mSDsluCounter, 14338 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6926 SdHoareTripleChecker+Valid, 21513 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-19 13:48:39,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6926 Valid, 21513 Invalid, 21 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-19 13:48:39,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77366 states. [2021-11-19 13:48:43,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77366 to 77366. [2021-11-19 13:48:43,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77366 states, 52417 states have (on average 1.3319724516855218) internal successors, (69818), 54345 states have internal predecessors, (69818), 21701 states have call successors, (21701), 3246 states have call predecessors, (21701), 3245 states have return successors, (22196), 20812 states have call predecessors, (22196), 21697 states have call successors, (22196) [2021-11-19 13:48:44,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77366 states to 77366 states and 113715 transitions. [2021-11-19 13:48:44,435 INFO L78 Accepts]: Start accepts. Automaton has 77366 states and 113715 transitions. Word has length 786 [2021-11-19 13:48:44,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:48:44,448 INFO L470 AbstractCegarLoop]: Abstraction has 77366 states and 113715 transitions. [2021-11-19 13:48:44,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.571428571428573) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (149), 4 states have call predecessors, (149), 2 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2021-11-19 13:48:44,448 INFO L276 IsEmpty]: Start isEmpty. Operand 77366 states and 113715 transitions. [2021-11-19 13:48:44,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 792 [2021-11-19 13:48:44,577 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:48:44,579 INFO L514 BasicCegarLoop]: trace histogram [62, 62, 59, 59, 59, 59, 59, 59, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:48:44,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 13:48:44,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:48:44,803 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 13:48:44,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:48:44,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1236058367, now seen corresponding path program 1 times [2021-11-19 13:48:44,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:48:44,809 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [429736463] [2021-11-19 13:48:44,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:48:44,810 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:48:44,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:48:44,811 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:48:44,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 13:48:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:48:51,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 4932 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:48:51,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:49:24,533 INFO L134 CoverageAnalysis]: Checked inductivity of 16053 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16051 trivial. 0 not checked. [2021-11-19 13:49:24,533 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:49:33,812 INFO L134 CoverageAnalysis]: Checked inductivity of 16053 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16051 trivial. 0 not checked. [2021-11-19 13:49:33,813 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:49:33,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [429736463] [2021-11-19 13:49:33,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [429736463] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:49:33,813 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 13:49:33,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-19 13:49:33,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841109532] [2021-11-19 13:49:33,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:49:33,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:49:33,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:49:33,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:49:33,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:49:33,817 INFO L87 Difference]: Start difference. First operand 77366 states and 113715 transitions. Second operand has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (76), 3 states have call predecessors, (76), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2021-11-19 13:49:37,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:49:37,088 INFO L93 Difference]: Finished difference Result 77372 states and 113720 transitions. [2021-11-19 13:49:37,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:49:37,089 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (76), 3 states have call predecessors, (76), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) Word has length 791 [2021-11-19 13:49:37,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:49:37,593 INFO L225 Difference]: With dead ends: 77372 [2021-11-19 13:49:37,594 INFO L226 Difference]: Without dead ends: 77370 [2021-11-19 13:49:37,633 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1583 GetRequests, 1575 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:49:37,636 INFO L933 BasicCegarLoop]: 7178 mSDtfsCounter, 7003 mSDsluCounter, 14337 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7013 SdHoareTripleChecker+Valid, 21515 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:49:37,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7013 Valid, 21515 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 13:49:37,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77370 states. [2021-11-19 13:49:41,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77370 to 77370. [2021-11-19 13:49:41,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77370 states, 52420 states have (on average 1.3319534528805799) internal successors, (69821), 54348 states have internal predecessors, (69821), 21701 states have call successors, (21701), 3247 states have call predecessors, (21701), 3246 states have return successors, (22196), 20812 states have call predecessors, (22196), 21697 states have call successors, (22196) [2021-11-19 13:49:41,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77370 states to 77370 states and 113718 transitions. [2021-11-19 13:49:41,948 INFO L78 Accepts]: Start accepts. Automaton has 77370 states and 113718 transitions. Word has length 791 [2021-11-19 13:49:41,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:49:41,950 INFO L470 AbstractCegarLoop]: Abstraction has 77370 states and 113718 transitions. [2021-11-19 13:49:41,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (76), 3 states have call predecessors, (76), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2021-11-19 13:49:41,951 INFO L276 IsEmpty]: Start isEmpty. Operand 77370 states and 113718 transitions. [2021-11-19 13:49:42,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 797 [2021-11-19 13:49:42,004 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:49:42,005 INFO L514 BasicCegarLoop]: trace histogram [62, 62, 59, 59, 59, 59, 59, 59, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:49:42,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 13:49:42,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:49:42,219 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 13:49:42,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:49:42,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1333095300, now seen corresponding path program 1 times [2021-11-19 13:49:42,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:49:42,226 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [21394611] [2021-11-19 13:49:42,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:49:42,226 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:49:42,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:49:42,228 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:49:42,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 13:49:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:49:48,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 4939 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:49:48,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:50:21,680 INFO L134 CoverageAnalysis]: Checked inductivity of 16059 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16055 trivial. 0 not checked. [2021-11-19 13:50:21,680 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:50:30,808 INFO L134 CoverageAnalysis]: Checked inductivity of 16059 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16055 trivial. 0 not checked. [2021-11-19 13:50:30,809 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:50:30,809 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [21394611] [2021-11-19 13:50:30,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [21394611] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:50:30,810 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 13:50:30,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-19 13:50:30,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453344018] [2021-11-19 13:50:30,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:50:30,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:50:30,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:50:30,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:50:30,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:50:30,813 INFO L87 Difference]: Start difference. First operand 77370 states and 113718 transitions. Second operand has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (77), 3 states have call predecessors, (77), 1 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2021-11-19 13:50:34,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:50:34,438 INFO L93 Difference]: Finished difference Result 77376 states and 113723 transitions. [2021-11-19 13:50:34,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:50:34,439 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (77), 3 states have call predecessors, (77), 1 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) Word has length 796 [2021-11-19 13:50:34,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:50:35,162 INFO L225 Difference]: With dead ends: 77376 [2021-11-19 13:50:35,162 INFO L226 Difference]: Without dead ends: 77374 [2021-11-19 13:50:35,203 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1593 GetRequests, 1585 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:50:35,205 INFO L933 BasicCegarLoop]: 7178 mSDtfsCounter, 7003 mSDsluCounter, 14337 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7012 SdHoareTripleChecker+Valid, 21515 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:50:35,205 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7012 Valid, 21515 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 13:50:35,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77374 states. [2021-11-19 13:50:38,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77374 to 77374. [2021-11-19 13:50:38,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77374 states, 52423 states have (on average 1.3319344562501192) internal successors, (69824), 54351 states have internal predecessors, (69824), 21701 states have call successors, (21701), 3248 states have call predecessors, (21701), 3247 states have return successors, (22196), 20812 states have call predecessors, (22196), 21697 states have call successors, (22196) [2021-11-19 13:50:39,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77374 states to 77374 states and 113721 transitions. [2021-11-19 13:50:39,379 INFO L78 Accepts]: Start accepts. Automaton has 77374 states and 113721 transitions. Word has length 796 [2021-11-19 13:50:39,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:50:39,381 INFO L470 AbstractCegarLoop]: Abstraction has 77374 states and 113721 transitions. [2021-11-19 13:50:39,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (77), 3 states have call predecessors, (77), 1 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2021-11-19 13:50:39,381 INFO L276 IsEmpty]: Start isEmpty. Operand 77374 states and 113721 transitions. [2021-11-19 13:50:39,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 802 [2021-11-19 13:50:39,413 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:50:39,413 INFO L514 BasicCegarLoop]: trace histogram [62, 62, 59, 59, 59, 59, 59, 59, 7, 7, 7, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:50:39,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-19 13:50:39,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:50:39,614 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 13:50:39,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:50:39,615 INFO L85 PathProgramCache]: Analyzing trace with hash -272400673, now seen corresponding path program 1 times [2021-11-19 13:50:39,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:50:39,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1284724852] [2021-11-19 13:50:39,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:50:39,619 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:50:39,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:50:39,620 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:50:39,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-19 13:50:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:50:46,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 4946 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:50:46,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:51:17,897 INFO L134 CoverageAnalysis]: Checked inductivity of 16069 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16063 trivial. 0 not checked. [2021-11-19 13:51:17,897 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:51:27,212 INFO L134 CoverageAnalysis]: Checked inductivity of 16069 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16063 trivial. 0 not checked. [2021-11-19 13:51:27,212 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:51:27,212 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1284724852] [2021-11-19 13:51:27,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1284724852] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:51:27,213 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 13:51:27,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-19 13:51:27,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476352276] [2021-11-19 13:51:27,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:51:27,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:51:27,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:51:27,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:51:27,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:51:27,215 INFO L87 Difference]: Start difference. First operand 77374 states and 113721 transitions. Second operand has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (78), 3 states have call predecessors, (78), 1 states have return successors, (76), 2 states have call predecessors, (76), 2 states have call successors, (76) [2021-11-19 13:51:31,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:51:31,004 INFO L93 Difference]: Finished difference Result 78235 states and 114596 transitions. [2021-11-19 13:51:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:51:31,005 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (78), 3 states have call predecessors, (78), 1 states have return successors, (76), 2 states have call predecessors, (76), 2 states have call successors, (76) Word has length 801 [2021-11-19 13:51:31,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:51:31,382 INFO L225 Difference]: With dead ends: 78235 [2021-11-19 13:51:31,382 INFO L226 Difference]: Without dead ends: 78233 [2021-11-19 13:51:31,416 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1603 GetRequests, 1595 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:51:31,417 INFO L933 BasicCegarLoop]: 7186 mSDtfsCounter, 6914 mSDsluCounter, 14492 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6922 SdHoareTripleChecker+Valid, 21678 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:51:31,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6922 Valid, 21678 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 13:51:31,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78233 states. [2021-11-19 13:51:35,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78233 to 78233. [2021-11-19 13:51:35,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78233 states, 53008 states have (on average 1.3296294898883187) internal successors, (70481), 54936 states have internal predecessors, (70481), 21809 states have call successors, (21809), 3414 states have call predecessors, (21809), 3413 states have return successors, (22304), 20920 states have call predecessors, (22304), 21805 states have call successors, (22304) [2021-11-19 13:51:35,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78233 states to 78233 states and 114594 transitions. [2021-11-19 13:51:35,971 INFO L78 Accepts]: Start accepts. Automaton has 78233 states and 114594 transitions. Word has length 801 [2021-11-19 13:51:35,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:51:35,973 INFO L470 AbstractCegarLoop]: Abstraction has 78233 states and 114594 transitions. [2021-11-19 13:51:35,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (78), 3 states have call predecessors, (78), 1 states have return successors, (76), 2 states have call predecessors, (76), 2 states have call successors, (76) [2021-11-19 13:51:35,973 INFO L276 IsEmpty]: Start isEmpty. Operand 78233 states and 114594 transitions. [2021-11-19 13:51:36,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 807 [2021-11-19 13:51:36,009 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:51:36,010 INFO L514 BasicCegarLoop]: trace histogram [62, 62, 59, 59, 59, 59, 59, 59, 7, 7, 7, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:51:36,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-19 13:51:36,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:51:36,235 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 13:51:36,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:51:36,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1788457500, now seen corresponding path program 1 times [2021-11-19 13:51:36,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:51:36,240 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [851576716] [2021-11-19 13:51:36,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:51:36,240 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:51:36,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:51:36,241 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:51:36,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-19 13:51:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:51:42,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 4953 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:51:42,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:52:14,466 INFO L134 CoverageAnalysis]: Checked inductivity of 16083 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 16075 trivial. 0 not checked. [2021-11-19 13:52:14,466 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:52:23,358 INFO L134 CoverageAnalysis]: Checked inductivity of 16083 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16075 trivial. 0 not checked. [2021-11-19 13:52:23,358 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:52:23,358 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [851576716] [2021-11-19 13:52:23,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [851576716] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:52:23,358 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 13:52:23,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-19 13:52:23,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884907808] [2021-11-19 13:52:23,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:52:23,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:52:23,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:52:23,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:52:23,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:52:23,360 INFO L87 Difference]: Start difference. First operand 78233 states and 114594 transitions. Second operand has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (79), 3 states have call predecessors, (79), 1 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2021-11-19 13:52:27,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:52:27,442 INFO L93 Difference]: Finished difference Result 78239 states and 114599 transitions. [2021-11-19 13:52:27,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:52:27,442 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (79), 3 states have call predecessors, (79), 1 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) Word has length 806 [2021-11-19 13:52:27,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:52:27,760 INFO L225 Difference]: With dead ends: 78239 [2021-11-19 13:52:27,760 INFO L226 Difference]: Without dead ends: 78237 [2021-11-19 13:52:27,790 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1613 GetRequests, 1605 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:52:27,790 INFO L933 BasicCegarLoop]: 7178 mSDtfsCounter, 7003 mSDsluCounter, 14337 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7010 SdHoareTripleChecker+Valid, 21515 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:52:27,791 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7010 Valid, 21515 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 13:52:27,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78237 states. [2021-11-19 13:52:31,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78237 to 78237. [2021-11-19 13:52:31,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78237 states, 53011 states have (on average 1.3296108354869745) internal successors, (70484), 54939 states have internal predecessors, (70484), 21809 states have call successors, (21809), 3415 states have call predecessors, (21809), 3414 states have return successors, (22304), 20920 states have call predecessors, (22304), 21805 states have call successors, (22304) [2021-11-19 13:52:32,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78237 states to 78237 states and 114597 transitions. [2021-11-19 13:52:32,463 INFO L78 Accepts]: Start accepts. Automaton has 78237 states and 114597 transitions. Word has length 806 [2021-11-19 13:52:32,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:52:32,464 INFO L470 AbstractCegarLoop]: Abstraction has 78237 states and 114597 transitions. [2021-11-19 13:52:32,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (79), 3 states have call predecessors, (79), 1 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2021-11-19 13:52:32,465 INFO L276 IsEmpty]: Start isEmpty. Operand 78237 states and 114597 transitions. [2021-11-19 13:52:32,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 812 [2021-11-19 13:52:32,502 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:52:32,502 INFO L514 BasicCegarLoop]: trace histogram [62, 62, 59, 59, 59, 59, 59, 59, 7, 7, 7, 6, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:52:32,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-19 13:52:32,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:52:32,723 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 13:52:32,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:52:32,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1260383041, now seen corresponding path program 1 times [2021-11-19 13:52:32,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:52:32,728 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [274858787] [2021-11-19 13:52:32,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:52:32,728 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:52:32,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:52:32,729 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:52:32,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a95486-7e9f-4c34-8086-d7ab50d8feec/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-19 13:52:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:52:38,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 4960 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:52:38,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:53:10,847 INFO L134 CoverageAnalysis]: Checked inductivity of 16101 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 16091 trivial. 0 not checked. [2021-11-19 13:53:10,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:53:19,926 INFO L134 CoverageAnalysis]: Checked inductivity of 16101 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 16091 trivial. 0 not checked. [2021-11-19 13:53:19,926 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:53:19,926 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [274858787] [2021-11-19 13:53:19,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [274858787] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:53:19,926 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 13:53:19,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-19 13:53:19,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014217108] [2021-11-19 13:53:19,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:53:19,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:53:19,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:53:19,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:53:19,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:53:19,929 INFO L87 Difference]: Start difference. First operand 78237 states and 114597 transitions. Second operand has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (80), 3 states have call predecessors, (80), 1 states have return successors, (78), 2 states have call predecessors, (78), 2 states have call successors, (78)