./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c98e7b-f3f5-4a47-a2a8-1fd882d4f277/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c98e7b-f3f5-4a47-a2a8-1fd882d4f277/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c98e7b-f3f5-4a47-a2a8-1fd882d4f277/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c98e7b-f3f5-4a47-a2a8-1fd882d4f277/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c98e7b-f3f5-4a47-a2a8-1fd882d4f277/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c98e7b-f3f5-4a47-a2a8-1fd882d4f277/bin/uautomizer-J5u9QxTXDZ --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 08a377ea5583d5b51d35b7880dbbb43c3783bcaabfa79c83938a2c0ac78e3f7a --- 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-dbf71c6-m [2022-10-17 10:58:55,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:58:55,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:58:55,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:58:55,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:58:55,243 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:58:55,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:58:55,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:58:55,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:58:55,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:58:55,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:58:55,253 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:58:55,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:58:55,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:58:55,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:58:55,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:58:55,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:58:55,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:58:55,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:58:55,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:58:55,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:58:55,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:58:55,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:58:55,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:58:55,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:58:55,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:58:55,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:58:55,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:58:55,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:58:55,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:58:55,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:58:55,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:58:55,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:58:55,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:58:55,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:58:55,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:58:55,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:58:55,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:58:55,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:58:55,292 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:58:55,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:58:55,294 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c98e7b-f3f5-4a47-a2a8-1fd882d4f277/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:58:55,342 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:58:55,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:58:55,347 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:58:55,348 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:58:55,348 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:58:55,349 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:58:55,349 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:58:55,350 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:58:55,350 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:58:55,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:58:55,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:58:55,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:58:55,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:58:55,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:58:55,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:58:55,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:58:55,352 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:58:55,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:58:55,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:58:55,353 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:58:55,353 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:58:55,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:58:55,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:58:55,354 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:58:55,354 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:58:55,355 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:58:55,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:58:55,355 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:58:55,355 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:58:55,356 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:58:55,356 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_13c98e7b-f3f5-4a47-a2a8-1fd882d4f277/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c98e7b-f3f5-4a47-a2a8-1fd882d4f277/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08a377ea5583d5b51d35b7880dbbb43c3783bcaabfa79c83938a2c0ac78e3f7a [2022-10-17 10:58:55,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:58:55,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:58:55,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:58:55,719 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:58:55,722 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:58:55,724 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c98e7b-f3f5-4a47-a2a8-1fd882d4f277/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i [2022-10-17 10:58:55,789 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c98e7b-f3f5-4a47-a2a8-1fd882d4f277/bin/uautomizer-J5u9QxTXDZ/data/5cfe25162/77f405b7fe014b0491709c272a940425/FLAGfdd6149ce [2022-10-17 10:58:56,778 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:58:56,778 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c98e7b-f3f5-4a47-a2a8-1fd882d4f277/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i [2022-10-17 10:58:56,835 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c98e7b-f3f5-4a47-a2a8-1fd882d4f277/bin/uautomizer-J5u9QxTXDZ/data/5cfe25162/77f405b7fe014b0491709c272a940425/FLAGfdd6149ce [2022-10-17 10:58:57,257 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c98e7b-f3f5-4a47-a2a8-1fd882d4f277/bin/uautomizer-J5u9QxTXDZ/data/5cfe25162/77f405b7fe014b0491709c272a940425 [2022-10-17 10:58:57,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:58:57,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:58:57,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:58:57,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:58:57,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:58:57,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:58:57" (1/1) ... [2022-10-17 10:58:57,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52de03e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:58:57, skipping insertion in model container [2022-10-17 10:58:57,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:58:57" (1/1) ... [2022-10-17 10:58:57,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:58:57,487 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:59:00,991 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_13c98e7b-f3f5-4a47-a2a8-1fd882d4f277/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[331922,331935] [2022-10-17 10:59:00,995 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_13c98e7b-f3f5-4a47-a2a8-1fd882d4f277/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[332091,332104] [2022-10-17 10:59:00,996 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_13c98e7b-f3f5-4a47-a2a8-1fd882d4f277/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[332258,332271] [2022-10-17 10:59:00,996 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_13c98e7b-f3f5-4a47-a2a8-1fd882d4f277/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[332426,332439] [2022-10-17 10:59:01,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:59:01,105 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:59:01,593 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_13c98e7b-f3f5-4a47-a2a8-1fd882d4f277/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[331922,331935] [2022-10-17 10:59:01,595 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_13c98e7b-f3f5-4a47-a2a8-1fd882d4f277/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[332091,332104] [2022-10-17 10:59:01,595 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_13c98e7b-f3f5-4a47-a2a8-1fd882d4f277/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[332258,332271] [2022-10-17 10:59:01,596 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_13c98e7b-f3f5-4a47-a2a8-1fd882d4f277/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[332426,332439] [2022-10-17 10:59:01,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:59:01,919 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:59:01,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:01 WrapperNode [2022-10-17 10:59:01,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:59:01,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:59:01,921 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:59:01,922 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:59:01,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:01" (1/1) ... [2022-10-17 10:59:02,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:01" (1/1) ... [2022-10-17 10:59:02,278 INFO L138 Inliner]: procedures = 451, calls = 2016, calls flagged for inlining = 220, calls inlined = 194, statements flattened = 4695 [2022-10-17 10:59:02,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:59:02,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:59:02,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:59:02,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:59:02,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:01" (1/1) ... [2022-10-17 10:59:02,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:01" (1/1) ... [2022-10-17 10:59:02,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:01" (1/1) ... [2022-10-17 10:59:02,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:01" (1/1) ... [2022-10-17 10:59:02,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:01" (1/1) ... [2022-10-17 10:59:02,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:01" (1/1) ... [2022-10-17 10:59:02,568 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:01" (1/1) ... [2022-10-17 10:59:02,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:01" (1/1) ... [2022-10-17 10:59:02,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:59:02,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:59:02,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:59:02,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:59:02,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:01" (1/1) ... [2022-10-17 10:59:02,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:59:02,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c98e7b-f3f5-4a47-a2a8-1fd882d4f277/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:59:02,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c98e7b-f3f5-4a47-a2a8-1fd882d4f277/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:59:02,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c98e7b-f3f5-4a47-a2a8-1fd882d4f277/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:59:02,712 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-10-17 10:59:02,712 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-10-17 10:59:02,712 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-10-17 10:59:02,712 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-10-17 10:59:02,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:59:02,713 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:59:02,713 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_begin [2022-10-17 10:59:02,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_begin [2022-10-17 10:59:02,713 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-10-17 10:59:02,713 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-10-17 10:59:02,714 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-17 10:59:02,714 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-17 10:59:02,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:59:02,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:59:02,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-17 10:59:02,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-17 10:59:02,715 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-17 10:59:02,715 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-17 10:59:02,715 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-17 10:59:02,715 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-17 10:59:02,715 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-10-17 10:59:02,715 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-10-17 10:59:02,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_73 [2022-10-17 10:59:02,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_73 [2022-10-17 10:59:02,716 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-10-17 10:59:02,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-10-17 10:59:02,716 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 10:59:02,717 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 10:59:02,717 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-17 10:59:02,717 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-10-17 10:59:02,717 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-10-17 10:59:02,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 10:59:02,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-17 10:59:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-10-17 10:59:02,718 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-10-17 10:59:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-10-17 10:59:02,718 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-10-17 10:59:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-10-17 10:59:02,719 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-10-17 10:59:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:59:02,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:59:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 10:59:02,719 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 10:59:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-10-17 10:59:02,720 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-10-17 10:59:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:59:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 10:59:02,720 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 10:59:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:59:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-17 10:59:02,721 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-17 10:59:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-17 10:59:02,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-17 10:59:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:59:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-17 10:59:02,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-17 10:59:02,722 INFO L130 BoogieDeclarations]: Found specification of procedure epic_open [2022-10-17 10:59:02,722 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_open [2022-10-17 10:59:02,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:59:02,722 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-10-17 10:59:02,722 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-10-17 10:59:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-17 10:59:02,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-17 10:59:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 10:59:02,723 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 10:59:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-10-17 10:59:02,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-10-17 10:59:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-17 10:59:02,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-17 10:59:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-17 10:59:02,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-17 10:59:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-10-17 10:59:02,725 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-10-17 10:59:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-10-17 10:59:02,725 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-10-17 10:59:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure epic_restart [2022-10-17 10:59:02,725 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_restart [2022-10-17 10:59:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_epic_cleanup_14_2 [2022-10-17 10:59:02,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_epic_cleanup_14_2 [2022-10-17 10:59:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-10-17 10:59:02,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-10-17 10:59:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:59:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-10-17 10:59:02,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-10-17 10:59:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-17 10:59:02,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-17 10:59:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:59:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2022-10-17 10:59:02,727 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2022-10-17 10:59:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 10:59:02,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 10:59:02,728 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-17 10:59:02,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-17 10:59:02,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:59:02,728 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-10-17 10:59:02,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-10-17 10:59:02,728 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:59:02,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:59:02,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_epic_private [2022-10-17 10:59:02,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_epic_private [2022-10-17 10:59:02,729 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-10-17 10:59:02,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-10-17 10:59:02,729 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-10-17 10:59:02,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-10-17 10:59:02,730 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-10-17 10:59:02,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-10-17 10:59:02,730 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-10-17 10:59:02,730 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-10-17 10:59:02,730 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 10:59:02,731 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 10:59:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure epic_remove_one [2022-10-17 10:59:02,731 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_remove_one [2022-10-17 10:59:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-17 10:59:02,731 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-17 10:59:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-17 10:59:02,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-17 10:59:02,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_napi_lock_of_epic_private [2022-10-17 10:59:02,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_napi_lock_of_epic_private [2022-10-17 10:59:02,732 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-17 10:59:02,732 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-17 10:59:02,732 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-10-17 10:59:02,733 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-10-17 10:59:02,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:59:02,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:59:02,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:59:02,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:59:02,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:59:02,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:59:02,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-17 10:59:02,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-17 10:59:02,734 INFO L130 BoogieDeclarations]: Found specification of procedure epic_rx [2022-10-17 10:59:02,734 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_rx [2022-10-17 10:59:02,734 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_complete [2022-10-17 10:59:02,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_complete [2022-10-17 10:59:02,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-10-17 10:59:02,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-10-17 10:59:02,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_napi_lock_of_epic_private [2022-10-17 10:59:02,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_napi_lock_of_epic_private [2022-10-17 10:59:02,735 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-10-17 10:59:02,736 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-10-17 10:59:02,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 10:59:02,736 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 10:59:02,736 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-17 10:59:02,736 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-17 10:59:02,736 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-10-17 10:59:02,736 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-10-17 10:59:02,737 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-17 10:59:02,737 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-17 10:59:02,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:59:02,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_72 [2022-10-17 10:59:02,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_72 [2022-10-17 10:59:02,737 INFO L130 BoogieDeclarations]: Found specification of procedure epic_resume [2022-10-17 10:59:02,738 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_resume [2022-10-17 10:59:02,738 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-10-17 10:59:02,738 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-10-17 10:59:02,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:59:02,738 INFO L130 BoogieDeclarations]: Found specification of procedure epic_tx_timeout [2022-10-17 10:59:02,738 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_tx_timeout [2022-10-17 10:59:02,738 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-10-17 10:59:02,739 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-10-17 10:59:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:59:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 10:59:02,739 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 10:59:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-17 10:59:02,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-17 10:59:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-10-17 10:59:02,740 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-10-17 10:59:02,740 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-17 10:59:02,740 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-17 10:59:02,740 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-17 10:59:02,740 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-17 10:59:02,740 INFO L130 BoogieDeclarations]: Found specification of procedure epic_close [2022-10-17 10:59:02,741 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_close [2022-10-17 10:59:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 10:59:02,741 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 10:59:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:59:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:59:02,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:59:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-10-17 10:59:02,742 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-10-17 10:59:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_epic_private [2022-10-17 10:59:02,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_epic_private [2022-10-17 10:59:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-17 10:59:02,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-17 10:59:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-10-17 10:59:02,743 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-10-17 10:59:02,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:59:02,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-17 10:59:02,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-17 10:59:02,743 INFO L130 BoogieDeclarations]: Found specification of procedure epic_pause [2022-10-17 10:59:02,743 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_pause [2022-10-17 10:59:03,673 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:59:03,680 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:59:04,430 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:59:07,745 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-17 10:59:07,884 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:59:07,913 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:59:07,914 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:59:07,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:59:07 BoogieIcfgContainer [2022-10-17 10:59:07,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:59:07,924 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:59:07,924 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:59:07,927 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:59:07,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:58:57" (1/3) ... [2022-10-17 10:59:07,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a53bf56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:59:07, skipping insertion in model container [2022-10-17 10:59:07,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:01" (2/3) ... [2022-10-17 10:59:07,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a53bf56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:59:07, skipping insertion in model container [2022-10-17 10:59:07,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:59:07" (3/3) ... [2022-10-17 10:59:07,932 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i [2022-10-17 10:59:07,952 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:59:07,952 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-10-17 10:59:08,083 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:59:08,090 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;@3887a5c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:59:08,090 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-10-17 10:59:08,103 INFO L276 IsEmpty]: Start isEmpty. Operand has 1716 states, 1186 states have (on average 1.3010118043844856) internal successors, (1543), 1220 states have internal predecessors, (1543), 441 states have call successors, (441), 87 states have call predecessors, (441), 86 states have return successors, (435), 430 states have call predecessors, (435), 435 states have call successors, (435) [2022-10-17 10:59:08,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-17 10:59:08,127 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:59:08,128 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:59:08,129 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-10-17 10:59:08,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:59:08,135 INFO L85 PathProgramCache]: Analyzing trace with hash 314341586, now seen corresponding path program 1 times [2022-10-17 10:59:08,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:59:08,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408064007] [2022-10-17 10:59:08,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:59:08,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:59:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:09,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:59:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:09,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:59:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:09,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:59:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:09,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:59:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:09,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:59:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:09,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:59:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:09,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:59:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:09,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:59:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:09,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:59:09,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:09,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:59:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:09,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:59:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:09,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:59:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:09,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:59:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:09,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:59:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:09,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:59:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:09,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:59:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:09,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-17 10:59:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:09,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:59:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:09,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-17 10:59:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:09,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-17 10:59:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:09,453 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-10-17 10:59:09,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:59:09,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408064007] [2022-10-17 10:59:09,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408064007] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:59:09,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:59:09,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:59:09,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029505095] [2022-10-17 10:59:09,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:59:09,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:59:09,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:59:09,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:59:09,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:59:09,499 INFO L87 Difference]: Start difference. First operand has 1716 states, 1186 states have (on average 1.3010118043844856) internal successors, (1543), 1220 states have internal predecessors, (1543), 441 states have call successors, (441), 87 states have call predecessors, (441), 86 states have return successors, (435), 430 states have call predecessors, (435), 435 states have call successors, (435) Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-10-17 10:59:14,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:59:14,122 INFO L93 Difference]: Finished difference Result 5035 states and 7251 transitions. [2022-10-17 10:59:14,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:59:14,125 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 127 [2022-10-17 10:59:14,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:59:14,196 INFO L225 Difference]: With dead ends: 5035 [2022-10-17 10:59:14,196 INFO L226 Difference]: Without dead ends: 3332 [2022-10-17 10:59:14,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:59:14,225 INFO L413 NwaCegarLoop]: 2603 mSDtfsCounter, 2683 mSDsluCounter, 2525 mSDsCounter, 0 mSdLazyCounter, 1764 mSolverCounterSat, 1100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3064 SdHoareTripleChecker+Valid, 5128 SdHoareTripleChecker+Invalid, 2864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1100 IncrementalHoareTripleChecker+Valid, 1764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:59:14,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3064 Valid, 5128 Invalid, 2864 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1100 Valid, 1764 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-10-17 10:59:14,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3332 states. [2022-10-17 10:59:14,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3332 to 3300. [2022-10-17 10:59:14,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3300 states, 2301 states have (on average 1.2759669708822252) internal successors, (2936), 2368 states have internal predecessors, (2936), 828 states have call successors, (828), 169 states have call predecessors, (828), 168 states have return successors, (824), 814 states have call predecessors, (824), 824 states have call successors, (824) [2022-10-17 10:59:14,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3300 states to 3300 states and 4588 transitions. [2022-10-17 10:59:14,674 INFO L78 Accepts]: Start accepts. Automaton has 3300 states and 4588 transitions. Word has length 127 [2022-10-17 10:59:14,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:59:14,678 INFO L495 AbstractCegarLoop]: Abstraction has 3300 states and 4588 transitions. [2022-10-17 10:59:14,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-10-17 10:59:14,678 INFO L276 IsEmpty]: Start isEmpty. Operand 3300 states and 4588 transitions. [2022-10-17 10:59:14,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-17 10:59:14,691 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:59:14,692 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:59:14,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:59:14,692 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-10-17 10:59:14,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:59:14,693 INFO L85 PathProgramCache]: Analyzing trace with hash 2030801047, now seen corresponding path program 1 times [2022-10-17 10:59:14,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:59:14,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116455027] [2022-10-17 10:59:14,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:59:14,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:59:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:15,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:59:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:15,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:59:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:15,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:59:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:15,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:59:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:15,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:59:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:15,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:59:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:15,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:59:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:15,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:59:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:15,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:59:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:15,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:59:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:15,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:59:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:15,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:59:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:15,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:59:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:15,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:59:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:15,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:59:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:15,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:59:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:15,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-17 10:59:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:15,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:59:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:15,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-17 10:59:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:15,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-17 10:59:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:15,275 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-10-17 10:59:15,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:59:15,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116455027] [2022-10-17 10:59:15,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116455027] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:59:15,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:59:15,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:59:15,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901318318] [2022-10-17 10:59:15,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:59:15,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:59:15,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:59:15,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:59:15,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:59:15,294 INFO L87 Difference]: Start difference. First operand 3300 states and 4588 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-10-17 10:59:19,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:59:19,776 INFO L93 Difference]: Finished difference Result 9372 states and 13067 transitions. [2022-10-17 10:59:19,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:59:19,777 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 136 [2022-10-17 10:59:19,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:59:19,837 INFO L225 Difference]: With dead ends: 9372 [2022-10-17 10:59:19,837 INFO L226 Difference]: Without dead ends: 6095 [2022-10-17 10:59:19,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:59:19,855 INFO L413 NwaCegarLoop]: 2554 mSDtfsCounter, 2353 mSDsluCounter, 2483 mSDsCounter, 0 mSdLazyCounter, 1762 mSolverCounterSat, 1083 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2698 SdHoareTripleChecker+Valid, 5037 SdHoareTripleChecker+Invalid, 2845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1083 IncrementalHoareTripleChecker+Valid, 1762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-10-17 10:59:19,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2698 Valid, 5037 Invalid, 2845 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1083 Valid, 1762 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-10-17 10:59:19,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6095 states. [2022-10-17 10:59:20,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6095 to 6013. [2022-10-17 10:59:20,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6013 states, 4176 states have (on average 1.2775383141762453) internal successors, (5335), 4304 states have internal predecessors, (5335), 1515 states have call successors, (1515), 320 states have call predecessors, (1515), 319 states have return successors, (1515), 1484 states have call predecessors, (1515), 1511 states have call successors, (1515) [2022-10-17 10:59:20,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6013 states to 6013 states and 8365 transitions. [2022-10-17 10:59:20,272 INFO L78 Accepts]: Start accepts. Automaton has 6013 states and 8365 transitions. Word has length 136 [2022-10-17 10:59:20,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:59:20,275 INFO L495 AbstractCegarLoop]: Abstraction has 6013 states and 8365 transitions. [2022-10-17 10:59:20,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-10-17 10:59:20,276 INFO L276 IsEmpty]: Start isEmpty. Operand 6013 states and 8365 transitions. [2022-10-17 10:59:20,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-10-17 10:59:20,287 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:59:20,287 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:59:20,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:59:20,287 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-10-17 10:59:20,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:59:20,288 INFO L85 PathProgramCache]: Analyzing trace with hash 887600161, now seen corresponding path program 1 times [2022-10-17 10:59:20,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:59:20,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543559205] [2022-10-17 10:59:20,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:59:20,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:59:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:20,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:59:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:20,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:59:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:20,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:59:20,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:20,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:59:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:20,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:59:20,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:20,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:59:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:20,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:59:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:20,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:59:20,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:20,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:59:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:20,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:59:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:20,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:59:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:20,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:59:20,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:20,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:59:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:20,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:59:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:20,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:59:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:20,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:59:20,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:20,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-17 10:59:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:20,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:59:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:20,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-17 10:59:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:20,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-17 10:59:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:20,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-17 10:59:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:20,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-17 10:59:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:20,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-10-17 10:59:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:20,910 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-10-17 10:59:20,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:59:20,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543559205] [2022-10-17 10:59:20,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543559205] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:59:20,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:59:20,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:59:20,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547262390] [2022-10-17 10:59:20,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:59:20,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:59:20,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:59:20,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:59:20,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:59:20,919 INFO L87 Difference]: Start difference. First operand 6013 states and 8365 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15)