./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7acc5693-49b7-4255-bc55-8edfd4317148/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7acc5693-49b7-4255-bc55-8edfd4317148/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7acc5693-49b7-4255-bc55-8edfd4317148/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7acc5693-49b7-4255-bc55-8edfd4317148/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7acc5693-49b7-4255-bc55-8edfd4317148/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7acc5693-49b7-4255-bc55-8edfd4317148/bin/uautomizer-Dbtcem3rbc --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a3d1583250bab7d5c6e3cae163663e7ac3704cf0fb6c32d7f6b8a0a0c30f1a49 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:38:42,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:38:42,885 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:38:42,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:38:42,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:38:42,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:38:42,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:38:42,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:38:42,952 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:38:42,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:38:42,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:38:42,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:38:42,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:38:42,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:38:42,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:38:42,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:38:42,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:38:42,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:38:42,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:38:42,978 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:38:42,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:38:42,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:38:42,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:38:42,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:38:42,995 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:38:42,995 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:38:42,996 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:38:42,997 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:38:42,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:38:42,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:38:42,999 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:38:43,000 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:38:43,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:38:43,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:38:43,006 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:38:43,006 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:38:43,007 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:38:43,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:38:43,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:38:43,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:38:43,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:38:43,010 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7acc5693-49b7-4255-bc55-8edfd4317148/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:38:43,046 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:38:43,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:38:43,047 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:38:43,048 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:38:43,049 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:38:43,049 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:38:43,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:38:43,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:38:43,050 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:38:43,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:38:43,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:38:43,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:38:43,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:38:43,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:38:43,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:38:43,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:38:43,054 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:38:43,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:38:43,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:38:43,055 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:38:43,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:38:43,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:38:43,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:38:43,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:38:43,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:38:43,057 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:38:43,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:38:43,057 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:38:43,058 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:38:43,058 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:38:43,060 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_7acc5693-49b7-4255-bc55-8edfd4317148/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7acc5693-49b7-4255-bc55-8edfd4317148/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3d1583250bab7d5c6e3cae163663e7ac3704cf0fb6c32d7f6b8a0a0c30f1a49 [2022-11-02 20:38:43,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:38:43,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:38:43,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:38:43,428 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:38:43,428 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:38:43,430 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7acc5693-49b7-4255-bc55-8edfd4317148/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2022-11-02 20:38:43,510 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7acc5693-49b7-4255-bc55-8edfd4317148/bin/uautomizer-Dbtcem3rbc/data/51cd31b18/8b9e210707e64c679b2fb5bdbe0654a5/FLAGb27a81884 [2022-11-02 20:38:44,757 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:38:44,758 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7acc5693-49b7-4255-bc55-8edfd4317148/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2022-11-02 20:38:44,876 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7acc5693-49b7-4255-bc55-8edfd4317148/bin/uautomizer-Dbtcem3rbc/data/51cd31b18/8b9e210707e64c679b2fb5bdbe0654a5/FLAGb27a81884 [2022-11-02 20:38:45,356 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7acc5693-49b7-4255-bc55-8edfd4317148/bin/uautomizer-Dbtcem3rbc/data/51cd31b18/8b9e210707e64c679b2fb5bdbe0654a5 [2022-11-02 20:38:45,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:38:45,363 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:38:45,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:38:45,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:38:45,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:38:45,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:38:45" (1/1) ... [2022-11-02 20:38:45,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@85716c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:45, skipping insertion in model container [2022-11-02 20:38:45,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:38:45" (1/1) ... [2022-11-02 20:38:45,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:38:45,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:38:52,420 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_7acc5693-49b7-4255-bc55-8edfd4317148/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752340,752353] [2022-11-02 20:38:52,423 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_7acc5693-49b7-4255-bc55-8edfd4317148/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752506,752519] [2022-11-02 20:38:52,423 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_7acc5693-49b7-4255-bc55-8edfd4317148/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752670,752683] [2022-11-02 20:38:52,424 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_7acc5693-49b7-4255-bc55-8edfd4317148/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752835,752848] [2022-11-02 20:38:52,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:38:52,506 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:38:53,546 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_7acc5693-49b7-4255-bc55-8edfd4317148/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752340,752353] [2022-11-02 20:38:53,548 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_7acc5693-49b7-4255-bc55-8edfd4317148/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752506,752519] [2022-11-02 20:38:53,548 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_7acc5693-49b7-4255-bc55-8edfd4317148/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752670,752683] [2022-11-02 20:38:53,549 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_7acc5693-49b7-4255-bc55-8edfd4317148/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752835,752848] [2022-11-02 20:38:53,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:38:53,936 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:38:53,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:53 WrapperNode [2022-11-02 20:38:53,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:38:53,947 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:38:53,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:38:53,947 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:38:53,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:53" (1/1) ... [2022-11-02 20:38:54,363 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:53" (1/1) ... [2022-11-02 20:38:54,872 INFO L138 Inliner]: procedures = 660, calls = 11540, calls flagged for inlining = 344, calls inlined = 236, statements flattened = 12774 [2022-11-02 20:38:54,873 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:38:54,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:38:54,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:38:54,875 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:38:54,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:53" (1/1) ... [2022-11-02 20:38:54,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:53" (1/1) ... [2022-11-02 20:38:54,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:53" (1/1) ... [2022-11-02 20:38:54,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:53" (1/1) ... [2022-11-02 20:38:55,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:53" (1/1) ... [2022-11-02 20:38:55,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:53" (1/1) ... [2022-11-02 20:38:55,482 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:53" (1/1) ... [2022-11-02 20:38:55,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:53" (1/1) ... [2022-11-02 20:38:55,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:38:55,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:38:55,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:38:55,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:38:55,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:53" (1/1) ... [2022-11-02 20:38:55,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:38:55,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7acc5693-49b7-4255-bc55-8edfd4317148/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:38:55,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7acc5693-49b7-4255-bc55-8edfd4317148/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:38:55,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7acc5693-49b7-4255-bc55-8edfd4317148/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:38:55,781 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-02 20:38:55,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-02 20:38:55,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-02 20:38:55,782 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-02 20:38:55,782 INFO L130 BoogieDeclarations]: Found specification of procedure read_register [2022-11-02 20:38:55,782 INFO L138 BoogieDeclarations]: Found implementation of procedure read_register [2022-11-02 20:38:55,782 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_send_data [2022-11-02 20:38:55,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_send_data [2022-11-02 20:38:55,782 INFO L130 BoogieDeclarations]: Found specification of procedure write_register_byte [2022-11-02 20:38:55,783 INFO L138 BoogieDeclarations]: Found implementation of procedure write_register_byte [2022-11-02 20:38:55,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:38:55,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:38:55,783 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-02 20:38:55,783 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-02 20:38:55,783 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2022-11-02 20:38:55,784 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2022-11-02 20:38:55,784 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_release_firmware [2022-11-02 20:38:55,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_release_firmware [2022-11-02 20:38:55,784 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_configure_security [2022-11-02 20:38:55,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_configure_security [2022-11-02 20:38:55,784 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-02 20:38:55,785 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-02 20:38:55,785 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-02 20:38:55,785 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-02 20:38:55,785 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_reset_adapter [2022-11-02 20:38:55,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_reset_adapter [2022-11-02 20:38:55,785 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_security_information [2022-11-02 20:38:55,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_security_information [2022-11-02 20:38:55,786 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-02 20:38:55,786 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-02 20:38:55,786 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 20:38:55,786 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 20:38:55,787 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-02 20:38:55,788 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-02 20:38:55,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-02 20:38:55,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-02 20:38:55,788 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-02 20:38:55,789 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-02 20:38:55,789 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-02 20:38:55,789 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-02 20:38:55,789 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_mandatory_bssid [2022-11-02 20:38:55,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_mandatory_bssid [2022-11-02 20:38:55,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-02 20:38:55,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-02 20:38:55,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-02 20:38:55,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-02 20:38:55,791 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 20:38:55,791 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 20:38:55,791 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_rfkill_set_hw_state [2022-11-02 20:38:55,791 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_rfkill_set_hw_state [2022-11-02 20:38:55,792 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_unregister [2022-11-02 20:38:55,793 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_unregister [2022-11-02 20:38:55,793 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_disable_adapter [2022-11-02 20:38:55,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_disable_adapter [2022-11-02 20:38:55,793 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-02 20:38:55,793 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-02 20:38:55,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:38:55,794 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_send_command [2022-11-02 20:38:55,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_send_command [2022-11-02 20:38:55,794 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-02 20:38:55,794 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-02 20:38:55,795 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_word [2022-11-02 20:38:55,795 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_word [2022-11-02 20:38:55,795 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-02 20:38:55,795 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-02 20:38:55,796 INFO L130 BoogieDeclarations]: Found specification of procedure isr_scan_complete [2022-11-02 20:38:55,797 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_scan_complete [2022-11-02 20:38:55,797 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_power_mode [2022-11-02 20:38:55,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_power_mode [2022-11-02 20:38:55,797 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-02 20:38:55,797 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-02 20:38:55,797 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_byte [2022-11-02 20:38:55,797 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_byte [2022-11-02 20:38:55,798 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 20:38:55,798 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 20:38:55,798 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-11-02 20:38:55,798 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-11-02 20:38:55,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:38:55,798 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-02 20:38:55,799 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-02 20:38:55,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-02 20:38:55,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-02 20:38:55,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:38:55,800 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_dword [2022-11-02 20:38:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_dword [2022-11-02 20:38:55,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-02 20:38:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-02 20:38:55,801 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_channel [2022-11-02 20:38:55,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_channel [2022-11-02 20:38:55,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:38:55,802 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-02 20:38:55,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-02 20:38:55,802 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_up [2022-11-02 20:38:55,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_up [2022-11-02 20:38:55,803 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_send_commands [2022-11-02 20:38:55,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_send_commands [2022-11-02 20:38:55,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:38:55,803 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:38:55,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-02 20:38:55,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-02 20:38:55,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-02 20:38:55,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-02 20:38:55,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-02 20:38:55,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-02 20:38:55,804 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-02 20:38:55,805 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-02 20:38:55,805 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-02 20:38:55,805 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-02 20:38:55,805 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_enable_adapter [2022-11-02 20:38:55,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_enable_adapter [2022-11-02 20:38:55,805 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-02 20:38:55,806 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-02 20:38:55,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_action_mutex_of_ipw2100_priv [2022-11-02 20:38:55,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_action_mutex_of_ipw2100_priv [2022-11-02 20:38:55,810 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_scan_options [2022-11-02 20:38:55,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_scan_options [2022-11-02 20:38:55,811 INFO L130 BoogieDeclarations]: Found specification of procedure libipw_txb_free [2022-11-02 20:38:55,811 INFO L138 BoogieDeclarations]: Found implementation of procedure libipw_txb_free [2022-11-02 20:38:55,812 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_reset_fatalerror [2022-11-02 20:38:55,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_reset_fatalerror [2022-11-02 20:38:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:38:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:38:55,819 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_tx_rates [2022-11-02 20:38:55,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_tx_rates [2022-11-02 20:38:55,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-02 20:38:55,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-02 20:38:55,820 INFO L130 BoogieDeclarations]: Found specification of procedure print_ssid [2022-11-02 20:38:55,820 INFO L138 BoogieDeclarations]: Found implementation of procedure print_ssid [2022-11-02 20:38:55,820 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-02 20:38:55,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-02 20:38:55,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:38:55,820 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-02 20:38:55,820 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-02 20:38:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 20:38:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_snapshot_free [2022-11-02 20:38:55,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_snapshot_free [2022-11-02 20:38:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:38:55,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:38:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure snprint_line [2022-11-02 20:38:55,821 INFO L138 BoogieDeclarations]: Found implementation of procedure snprint_line [2022-11-02 20:38:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-02 20:38:55,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-02 20:38:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_reset [2022-11-02 20:38:55,822 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_reset [2022-11-02 20:38:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-02 20:38:55,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-02 20:38:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 20:38:55,822 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 20:38:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure sw_reset_and_clock [2022-11-02 20:38:55,823 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_reset_and_clock [2022-11-02 20:38:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_enable_interrupts [2022-11-02 20:38:55,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_enable_interrupts [2022-11-02 20:38:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-02 20:38:55,823 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-02 20:38:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_resume [2022-11-02 20:38:55,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_resume [2022-11-02 20:38:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-11-02 20:38:55,824 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-11-02 20:38:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:38:55,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:38:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2022-11-02 20:38:55,824 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2022-11-02 20:38:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_pci_remove_one [2022-11-02 20:38:55,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_pci_remove_one [2022-11-02 20:38:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_free [2022-11-02 20:38:55,825 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_free [2022-11-02 20:38:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-02 20:38:55,825 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-02 20:38:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:38:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:38:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:38:55,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:38:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_alloc_skb [2022-11-02 20:38:55,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_alloc_skb [2022-11-02 20:38:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-02 20:38:55,826 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-02 20:38:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_get_ordinal [2022-11-02 20:38:55,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_get_ordinal [2022-11-02 20:38:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_stop_adapter [2022-11-02 20:38:55,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_stop_adapter [2022-11-02 20:38:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure write_register [2022-11-02 20:38:55,827 INFO L138 BoogieDeclarations]: Found implementation of procedure write_register [2022-11-02 20:38:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_set_gpio [2022-11-02 20:38:55,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_set_gpio [2022-11-02 20:38:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-02 20:38:55,828 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-02 20:38:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_down [2022-11-02 20:38:55,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_down [2022-11-02 20:38:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_adapter_mutex_of_ipw2100_priv [2022-11-02 20:38:55,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_adapter_mutex_of_ipw2100_priv [2022-11-02 20:38:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_close [2022-11-02 20:38:55,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_close [2022-11-02 20:38:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_wait_for_card_state [2022-11-02 20:38:55,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_wait_for_card_state [2022-11-02 20:38:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_rf_kill [2022-11-02 20:38:55,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_rf_kill [2022-11-02 20:38:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-02 20:38:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-02 20:38:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure read_register_byte [2022-11-02 20:38:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure read_register_byte [2022-11-02 20:38:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure status_queue_free [2022-11-02 20:38:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure status_queue_free [2022-11-02 20:38:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-02 20:38:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-02 20:38:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:38:55,831 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:38:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-02 20:38:55,831 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-02 20:38:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_rx_free [2022-11-02 20:38:55,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_rx_free [2022-11-02 20:38:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-02 20:38:55,831 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-02 20:38:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-11-02 20:38:55,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-11-02 20:38:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-02 20:38:55,832 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-02 20:38:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-02 20:38:55,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-02 20:38:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:38:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure mod_delayed_work [2022-11-02 20:38:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_delayed_work [2022-11-02 20:38:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 20:38:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 20:38:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_shutdown [2022-11-02 20:38:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_shutdown [2022-11-02 20:38:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:38:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_word [2022-11-02 20:38:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_word [2022-11-02 20:38:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_association_lost [2022-11-02 20:38:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_association_lost [2022-11-02 20:38:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_free [2022-11-02 20:38:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_free [2022-11-02 20:38:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_mac_address [2022-11-02 20:38:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_mac_address [2022-11-02 20:38:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_essid [2022-11-02 20:38:55,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_essid [2022-11-02 20:38:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-11-02 20:38:55,835 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-11-02 20:38:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:38:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_disable_interrupts [2022-11-02 20:38:55,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_disable_interrupts [2022-11-02 20:38:55,840 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-02 20:38:55,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-02 20:38:55,840 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-02 20:38:55,841 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-02 20:38:55,841 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_rts_threshold [2022-11-02 20:38:55,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_rts_threshold [2022-11-02 20:38:55,841 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_byte [2022-11-02 20:38:55,841 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_byte [2022-11-02 20:38:55,842 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-02 20:38:55,844 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-02 20:38:55,844 INFO L130 BoogieDeclarations]: Found specification of procedure free_libipw [2022-11-02 20:38:55,844 INFO L138 BoogieDeclarations]: Found implementation of procedure free_libipw [2022-11-02 20:38:55,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-02 20:38:55,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-02 20:38:55,844 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-02 20:38:55,845 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-02 20:38:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-02 20:38:55,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-02 20:38:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_msg_free [2022-11-02 20:38:55,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_msg_free [2022-11-02 20:38:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure printk_buf [2022-11-02 20:38:55,845 INFO L138 BoogieDeclarations]: Found implementation of procedure printk_buf [2022-11-02 20:38:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure ipw_ethtool_get_drvinfo [2022-11-02 20:38:55,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw_ethtool_get_drvinfo [2022-11-02 20:38:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-11-02 20:38:55,846 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-11-02 20:38:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_tx_power [2022-11-02 20:38:55,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_tx_power [2022-11-02 20:38:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-02 20:38:55,846 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-02 20:38:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-02 20:38:55,847 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-02 20:38:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-02 20:38:55,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-02 20:38:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-02 20:38:55,847 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-02 20:38:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-11-02 20:38:55,847 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-11-02 20:38:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_system_config [2022-11-02 20:38:55,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_system_config [2022-11-02 20:38:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_kill_works [2022-11-02 20:38:55,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_kill_works [2022-11-02 20:38:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2022-11-02 20:38:55,848 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2022-11-02 20:38:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 20:38:55,848 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 20:38:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-02 20:38:55,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-02 20:38:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:38:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_queues_free [2022-11-02 20:38:55,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_queues_free [2022-11-02 20:38:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:38:55,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:38:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure rf_kill_active [2022-11-02 20:38:55,850 INFO L138 BoogieDeclarations]: Found implementation of procedure rf_kill_active [2022-11-02 20:38:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure get_seconds [2022-11-02 20:38:55,850 INFO L138 BoogieDeclarations]: Found implementation of procedure get_seconds [2022-11-02 20:38:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-02 20:38:55,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-02 20:38:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_allocate [2022-11-02 20:38:55,850 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_allocate [2022-11-02 20:38:55,851 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-02 20:38:55,851 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-02 20:38:55,851 INFO L130 BoogieDeclarations]: Found specification of procedure libipw_priv [2022-11-02 20:38:55,851 INFO L138 BoogieDeclarations]: Found implementation of procedure libipw_priv [2022-11-02 20:38:55,851 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-02 20:38:55,851 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-02 20:38:55,851 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-02 20:38:55,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-02 20:38:55,852 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_timeout [2022-11-02 20:38:55,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_timeout [2022-11-02 20:38:55,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_action_mutex_of_ipw2100_priv [2022-11-02 20:38:55,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_action_mutex_of_ipw2100_priv [2022-11-02 20:38:55,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_adapter_mutex_of_ipw2100_priv [2022-11-02 20:38:55,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_adapter_mutex_of_ipw2100_priv [2022-11-02 20:38:55,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-02 20:38:55,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-02 20:38:55,853 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-02 20:38:55,853 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-02 20:38:55,853 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-02 20:38:55,853 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-02 20:38:55,853 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-02 20:38:55,853 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-02 20:38:55,853 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-02 20:38:55,854 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-02 20:38:55,854 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_open [2022-11-02 20:38:55,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_open [2022-11-02 20:38:55,854 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-02 20:38:55,854 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-02 20:38:55,854 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_queues_initialize [2022-11-02 20:38:55,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_queues_initialize [2022-11-02 20:38:55,854 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-02 20:38:55,855 INFO L130 BoogieDeclarations]: Found specification of procedure pm_qos_update_request [2022-11-02 20:38:55,855 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_qos_update_request [2022-11-02 20:38:55,855 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_associated [2022-11-02 20:38:55,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_associated [2022-11-02 20:38:55,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:38:55,855 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_scanning [2022-11-02 20:38:55,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_scanning [2022-11-02 20:38:55,855 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_dword [2022-11-02 20:38:55,856 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_dword [2022-11-02 20:38:55,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-02 20:38:55,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-02 20:38:55,856 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-02 20:38:55,856 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-02 20:38:55,856 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_initialize [2022-11-02 20:38:55,856 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_initialize [2022-11-02 20:38:55,857 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_start_scan [2022-11-02 20:38:55,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_start_scan [2022-11-02 20:38:55,857 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-02 20:38:55,857 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-02 20:38:57,186 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:38:57,191 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:39:09,372 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:41:27,085 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:41:27,108 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:41:27,108 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-02 20:41:27,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:41:27 BoogieIcfgContainer [2022-11-02 20:41:27,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:41:27,116 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:41:27,116 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:41:27,122 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:41:27,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:38:45" (1/3) ... [2022-11-02 20:41:27,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b6093d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:41:27, skipping insertion in model container [2022-11-02 20:41:27,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:53" (2/3) ... [2022-11-02 20:41:27,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b6093d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:41:27, skipping insertion in model container [2022-11-02 20:41:27,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:41:27" (3/3) ... [2022-11-02 20:41:27,125 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2022-11-02 20:41:27,143 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:41:27,144 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-02 20:41:27,275 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:41:27,284 INFO L357 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=PETRI_NET, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@27afe23d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:41:27,285 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-02 20:41:27,300 INFO L276 IsEmpty]: Start isEmpty. Operand has 3491 states, 2480 states have (on average 1.3274193548387097) internal successors, (3292), 2506 states have internal predecessors, (3292), 841 states have call successors, (841), 167 states have call predecessors, (841), 166 states have return successors, (837), 836 states have call predecessors, (837), 837 states have call successors, (837) [2022-11-02 20:41:27,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-02 20:41:27,310 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:41:27,311 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-02 20:41:27,316 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 20:41:27,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:27,324 INFO L85 PathProgramCache]: Analyzing trace with hash -624771986, now seen corresponding path program 1 times [2022-11-02 20:41:27,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:27,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362457808] [2022-11-02 20:41:27,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:27,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:31,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 20:41:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:31,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:41:31,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:31,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:41:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:31,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:31,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-02 20:41:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:31,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:41:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:31,198 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-02 20:41:31,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:31,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362457808] [2022-11-02 20:41:31,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362457808] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:31,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:31,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:41:31,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139832695] [2022-11-02 20:41:31,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:31,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:41:31,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:31,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:41:31,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:41:31,249 INFO L87 Difference]: Start difference. First operand has 3491 states, 2480 states have (on average 1.3274193548387097) internal successors, (3292), 2506 states have internal predecessors, (3292), 841 states have call successors, (841), 167 states have call predecessors, (841), 166 states have return successors, (837), 836 states have call predecessors, (837), 837 states have call successors, (837) Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-02 20:41:32,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:41:32,362 INFO L93 Difference]: Finished difference Result 8866 states and 13377 transitions. [2022-11-02 20:41:32,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:41:32,365 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 51 [2022-11-02 20:41:32,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:41:32,430 INFO L225 Difference]: With dead ends: 8866 [2022-11-02 20:41:32,430 INFO L226 Difference]: Without dead ends: 5391 [2022-11-02 20:41:32,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:41:32,487 INFO L413 NwaCegarLoop]: 6781 mSDtfsCounter, 4779 mSDsluCounter, 16443 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4784 SdHoareTripleChecker+Valid, 23224 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:41:32,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4784 Valid, 23224 Invalid, 16 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-02 20:41:32,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5391 states. [2022-11-02 20:41:32,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5391 to 5387. [2022-11-02 20:41:32,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5387 states, 3865 states have (on average 1.3353169469598964) internal successors, (5161), 3892 states have internal predecessors, (5161), 1258 states have call successors, (1258), 262 states have call predecessors, (1258), 261 states have return successors, (1255), 1254 states have call predecessors, (1255), 1255 states have call successors, (1255) [2022-11-02 20:41:32,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5387 states to 5387 states and 7674 transitions. [2022-11-02 20:41:32,923 INFO L78 Accepts]: Start accepts. Automaton has 5387 states and 7674 transitions. Word has length 51 [2022-11-02 20:41:32,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:41:32,925 INFO L495 AbstractCegarLoop]: Abstraction has 5387 states and 7674 transitions. [2022-11-02 20:41:32,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-02 20:41:32,926 INFO L276 IsEmpty]: Start isEmpty. Operand 5387 states and 7674 transitions. [2022-11-02 20:41:32,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-02 20:41:32,930 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:41:32,931 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-02 20:41:32,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:41:32,932 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 20:41:32,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:32,932 INFO L85 PathProgramCache]: Analyzing trace with hash -582986137, now seen corresponding path program 1 times [2022-11-02 20:41:32,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:32,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432658916] [2022-11-02 20:41:32,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:32,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:35,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 20:41:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:35,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:41:35,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:35,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:41:35,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:35,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:35,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-02 20:41:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:35,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:41:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:35,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:41:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:35,736 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-02 20:41:35,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:35,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432658916] [2022-11-02 20:41:35,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432658916] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:35,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:35,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:41:35,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951725250] [2022-11-02 20:41:35,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:35,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:41:35,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:35,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:41:35,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:41:35,740 INFO L87 Difference]: Start difference. First operand 5387 states and 7674 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-02 20:41:36,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:41:36,434 INFO L93 Difference]: Finished difference Result 6377 states and 8982 transitions. [2022-11-02 20:41:36,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:41:36,435 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 56 [2022-11-02 20:41:36,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:41:36,476 INFO L225 Difference]: With dead ends: 6377 [2022-11-02 20:41:36,476 INFO L226 Difference]: Without dead ends: 6375 [2022-11-02 20:41:36,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:41:36,482 INFO L413 NwaCegarLoop]: 5088 mSDtfsCounter, 4797 mSDsluCounter, 10932 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4800 SdHoareTripleChecker+Valid, 16020 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:41:36,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4800 Valid, 16020 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:41:36,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6375 states. [2022-11-02 20:41:36,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6375 to 6373. [2022-11-02 20:41:36,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6373 states, 4589 states have (on average 1.330573109609937) internal successors, (6106), 4620 states have internal predecessors, (6106), 1438 states have call successors, (1438), 344 states have call predecessors, (1438), 343 states have return successors, (1435), 1434 states have call predecessors, (1435), 1435 states have call successors, (1435) [2022-11-02 20:41:36,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6373 states to 6373 states and 8979 transitions. [2022-11-02 20:41:36,797 INFO L78 Accepts]: Start accepts. Automaton has 6373 states and 8979 transitions. Word has length 56 [2022-11-02 20:41:36,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:41:36,797 INFO L495 AbstractCegarLoop]: Abstraction has 6373 states and 8979 transitions. [2022-11-02 20:41:36,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-02 20:41:36,798 INFO L276 IsEmpty]: Start isEmpty. Operand 6373 states and 8979 transitions. [2022-11-02 20:41:36,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-02 20:41:36,799 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:41:36,800 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2022-11-02 20:41:36,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:41:36,800 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 20:41:36,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:36,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1621219378, now seen corresponding path program 1 times [2022-11-02 20:41:36,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:36,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606379305] [2022-11-02 20:41:36,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:36,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:37,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:39,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 20:41:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:39,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:41:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:39,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:41:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:39,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:39,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:39,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-02 20:41:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:39,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:41:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:39,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:41:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:39,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-02 20:41:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:39,443 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-02 20:41:39,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:39,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606379305] [2022-11-02 20:41:39,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606379305] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:39,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:39,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:41:39,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443626721] [2022-11-02 20:41:39,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:39,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:41:39,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:39,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:41:39,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:41:39,446 INFO L87 Difference]: Start difference. First operand 6373 states and 8979 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-02 20:41:40,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:41:40,201 INFO L93 Difference]: Finished difference Result 6379 states and 8984 transitions. [2022-11-02 20:41:40,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:41:40,202 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 61 [2022-11-02 20:41:40,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:41:40,243 INFO L225 Difference]: With dead ends: 6379 [2022-11-02 20:41:40,243 INFO L226 Difference]: Without dead ends: 6377 [2022-11-02 20:41:40,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:41:40,251 INFO L413 NwaCegarLoop]: 4937 mSDtfsCounter, 4913 mSDsluCounter, 9862 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4915 SdHoareTripleChecker+Valid, 14799 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:41:40,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4915 Valid, 14799 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-02 20:41:40,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6377 states. [2022-11-02 20:41:40,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6377 to 6377. [2022-11-02 20:41:40,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6377 states, 4592 states have (on average 1.3303571428571428) internal successors, (6109), 4623 states have internal predecessors, (6109), 1438 states have call successors, (1438), 345 states have call predecessors, (1438), 344 states have return successors, (1435), 1434 states have call predecessors, (1435), 1435 states have call successors, (1435) [2022-11-02 20:41:40,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6377 states to 6377 states and 8982 transitions. [2022-11-02 20:41:40,661 INFO L78 Accepts]: Start accepts. Automaton has 6377 states and 8982 transitions. Word has length 61 [2022-11-02 20:41:40,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:41:40,662 INFO L495 AbstractCegarLoop]: Abstraction has 6377 states and 8982 transitions. [2022-11-02 20:41:40,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-02 20:41:40,663 INFO L276 IsEmpty]: Start isEmpty. Operand 6377 states and 8982 transitions. [2022-11-02 20:41:40,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-02 20:41:40,672 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:41:40,672 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 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] [2022-11-02 20:41:40,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:41:40,673 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 20:41:40,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:40,673 INFO L85 PathProgramCache]: Analyzing trace with hash -65325433, now seen corresponding path program 1 times [2022-11-02 20:41:40,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:40,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151813133] [2022-11-02 20:41:40,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:40,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 20:41:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:41:43,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:41:43,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-02 20:41:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:41:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:41:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-02 20:41:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 20:41:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,228 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-02 20:41:43,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:43,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151813133] [2022-11-02 20:41:43,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151813133] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:43,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:43,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:41:43,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906273356] [2022-11-02 20:41:43,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:43,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:41:43,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:43,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:41:43,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:41:43,230 INFO L87 Difference]: Start difference. First operand 6377 states and 8982 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-02 20:41:44,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:41:44,036 INFO L93 Difference]: Finished difference Result 6383 states and 8987 transitions. [2022-11-02 20:41:44,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:41:44,037 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 66 [2022-11-02 20:41:44,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:41:44,077 INFO L225 Difference]: With dead ends: 6383 [2022-11-02 20:41:44,077 INFO L226 Difference]: Without dead ends: 6379 [2022-11-02 20:41:44,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:41:44,087 INFO L413 NwaCegarLoop]: 4937 mSDtfsCounter, 4913 mSDsluCounter, 9862 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4914 SdHoareTripleChecker+Valid, 14799 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:41:44,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4914 Valid, 14799 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-02 20:41:44,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6379 states. [2022-11-02 20:41:44,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6379 to 6379. [2022-11-02 20:41:44,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6379 states, 4594 states have (on average 1.3299956464954288) internal successors, (6110), 4624 states have internal predecessors, (6110), 1438 states have call successors, (1438), 346 states have call predecessors, (1438), 344 states have return successors, (1435), 1434 states have call predecessors, (1435), 1435 states have call successors, (1435) [2022-11-02 20:41:44,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6379 states to 6379 states and 8983 transitions. [2022-11-02 20:41:44,485 INFO L78 Accepts]: Start accepts. Automaton has 6379 states and 8983 transitions. Word has length 66 [2022-11-02 20:41:44,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:41:44,487 INFO L495 AbstractCegarLoop]: Abstraction has 6379 states and 8983 transitions. [2022-11-02 20:41:44,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-02 20:41:44,488 INFO L276 IsEmpty]: Start isEmpty. Operand 6379 states and 8983 transitions. [2022-11-02 20:41:44,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-02 20:41:44,490 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:41:44,490 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 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] [2022-11-02 20:41:44,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:41:44,491 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 20:41:44,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:44,492 INFO L85 PathProgramCache]: Analyzing trace with hash 757369646, now seen corresponding path program 1 times [2022-11-02 20:41:44,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:44,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109228882] [2022-11-02 20:41:44,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:44,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:46,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 20:41:46,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:46,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:41:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:46,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:41:46,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:46,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:46,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:46,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-02 20:41:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:46,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:41:46,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:46,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:41:46,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:46,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-02 20:41:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:46,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 20:41:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:46,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-02 20:41:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:46,816 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-02 20:41:46,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:46,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109228882] [2022-11-02 20:41:46,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109228882] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:46,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:46,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:41:46,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491897301] [2022-11-02 20:41:46,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:46,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:41:46,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:46,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:41:46,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:41:46,819 INFO L87 Difference]: Start difference. First operand 6379 states and 8983 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-02 20:41:47,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:41:47,587 INFO L93 Difference]: Finished difference Result 6379 states and 8983 transitions. [2022-11-02 20:41:47,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:41:47,587 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 71 [2022-11-02 20:41:47,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:41:47,641 INFO L225 Difference]: With dead ends: 6379 [2022-11-02 20:41:47,642 INFO L226 Difference]: Without dead ends: 5995 [2022-11-02 20:41:47,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:41:47,652 INFO L413 NwaCegarLoop]: 4935 mSDtfsCounter, 4909 mSDsluCounter, 9861 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4909 SdHoareTripleChecker+Valid, 14796 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:41:47,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4909 Valid, 14796 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:41:47,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5995 states. [2022-11-02 20:41:47,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5995 to 5995. [2022-11-02 20:41:47,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5995 states, 4313 states have (on average 1.3310920472988639) internal successors, (5741), 4338 states have internal predecessors, (5741), 1347 states have call successors, (1347), 333 states have call predecessors, (1347), 333 states have return successors, (1347), 1346 states have call predecessors, (1347), 1347 states have call successors, (1347) [2022-11-02 20:41:48,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5995 states to 5995 states and 8435 transitions. [2022-11-02 20:41:48,009 INFO L78 Accepts]: Start accepts. Automaton has 5995 states and 8435 transitions. Word has length 71 [2022-11-02 20:41:48,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:41:48,009 INFO L495 AbstractCegarLoop]: Abstraction has 5995 states and 8435 transitions. [2022-11-02 20:41:48,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-02 20:41:48,009 INFO L276 IsEmpty]: Start isEmpty. Operand 5995 states and 8435 transitions. [2022-11-02 20:41:48,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-02 20:41:48,011 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:41:48,011 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-02 20:41:48,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:41:48,011 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 20:41:48,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:48,012 INFO L85 PathProgramCache]: Analyzing trace with hash -154440440, now seen corresponding path program 1 times [2022-11-02 20:41:48,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:48,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901395116] [2022-11-02 20:41:48,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:48,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:51,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 20:41:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:51,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:41:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:51,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-02 20:41:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:51,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:51,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:41:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:51,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:41:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:51,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:41:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:51,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:51,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:41:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:51,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:41:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:51,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-02 20:41:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:51,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:51,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:41:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:51,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:41:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:51,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-02 20:41:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:51,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:41:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:51,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:51,920 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-11-02 20:41:51,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:51,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901395116] [2022-11-02 20:41:51,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901395116] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:51,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:51,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:41:51,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260711857] [2022-11-02 20:41:51,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:51,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:41:51,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:51,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:41:51,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:41:51,923 INFO L87 Difference]: Start difference. First operand 5995 states and 8435 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-02 20:41:55,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:41:58,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:00,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:14,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:16,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:19,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:21,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:24,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:26,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:29,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []