./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-qlogic-qlge-qlge.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_8222b4f4-a9fc-4ca0-b1c5-794c0660afd7/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8222b4f4-a9fc-4ca0-b1c5-794c0660afd7/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_8222b4f4-a9fc-4ca0-b1c5-794c0660afd7/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8222b4f4-a9fc-4ca0-b1c5-794c0660afd7/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8222b4f4-a9fc-4ca0-b1c5-794c0660afd7/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_8222b4f4-a9fc-4ca0-b1c5-794c0660afd7/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 823dbaedd533794fe01fe70b8b2576c9f5fbcfa37b174fa416f2fd6a90f91fc3 --- 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 20:39:43,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:39:43,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:39:43,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:39:43,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:39:43,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:39:43,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:39:43,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:39:43,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:39:43,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:39:43,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:39:43,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:39:43,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:39:43,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:39:43,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:39:43,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:39:43,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:39:43,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:39:43,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:39:43,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:39:43,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:39:43,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:39:43,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:39:43,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:39:43,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:39:43,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:39:43,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:39:43,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:39:43,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:39:43,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:39:43,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:39:43,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:39:43,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:39:43,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:39:43,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:39:43,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:39:43,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:39:43,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:39:43,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:39:43,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:39:43,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:39:43,310 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8222b4f4-a9fc-4ca0-b1c5-794c0660afd7/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:39:43,359 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:39:43,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:39:43,360 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:39:43,361 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:39:43,362 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:39:43,363 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:39:43,364 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:39:43,364 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:39:43,364 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:39:43,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:39:43,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:39:43,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:39:43,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:39:43,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:39:43,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:39:43,368 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:39:43,369 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:39:43,369 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:39:43,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:39:43,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:39:43,370 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:39:43,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:39:43,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:39:43,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:39:43,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:39:43,372 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:39:43,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:39:43,373 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:39:43,374 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:39:43,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:39:43,374 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_8222b4f4-a9fc-4ca0-b1c5-794c0660afd7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8222b4f4-a9fc-4ca0-b1c5-794c0660afd7/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 823dbaedd533794fe01fe70b8b2576c9f5fbcfa37b174fa416f2fd6a90f91fc3 [2022-11-02 20:39:43,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:39:43,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:39:43,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:39:43,762 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:39:43,763 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:39:43,764 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8222b4f4-a9fc-4ca0-b1c5-794c0660afd7/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2022-11-02 20:39:43,858 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8222b4f4-a9fc-4ca0-b1c5-794c0660afd7/bin/uautomizer-Dbtcem3rbc/data/1ee37337a/4092df4f94ae4eb4806626c97ef6e540/FLAGaf72cee3e [2022-11-02 20:39:45,210 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:39:45,211 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8222b4f4-a9fc-4ca0-b1c5-794c0660afd7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2022-11-02 20:39:45,303 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8222b4f4-a9fc-4ca0-b1c5-794c0660afd7/bin/uautomizer-Dbtcem3rbc/data/1ee37337a/4092df4f94ae4eb4806626c97ef6e540/FLAGaf72cee3e [2022-11-02 20:39:45,785 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8222b4f4-a9fc-4ca0-b1c5-794c0660afd7/bin/uautomizer-Dbtcem3rbc/data/1ee37337a/4092df4f94ae4eb4806626c97ef6e540 [2022-11-02 20:39:45,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:39:45,789 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:39:45,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:39:45,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:39:45,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:39:45,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:39:45" (1/1) ... [2022-11-02 20:39:45,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d46688f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:45, skipping insertion in model container [2022-11-02 20:39:45,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:39:45" (1/1) ... [2022-11-02 20:39:45,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:39:46,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:39:54,565 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_8222b4f4-a9fc-4ca0-b1c5-794c0660afd7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[655333,655346] [2022-11-02 20:39:54,568 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_8222b4f4-a9fc-4ca0-b1c5-794c0660afd7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[655502,655515] [2022-11-02 20:39:54,569 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_8222b4f4-a9fc-4ca0-b1c5-794c0660afd7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[655669,655682] [2022-11-02 20:39:54,569 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_8222b4f4-a9fc-4ca0-b1c5-794c0660afd7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[655837,655850] [2022-11-02 20:39:54,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:39:54,677 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:39:55,419 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_8222b4f4-a9fc-4ca0-b1c5-794c0660afd7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[655333,655346] [2022-11-02 20:39:55,421 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_8222b4f4-a9fc-4ca0-b1c5-794c0660afd7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[655502,655515] [2022-11-02 20:39:55,422 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_8222b4f4-a9fc-4ca0-b1c5-794c0660afd7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[655669,655682] [2022-11-02 20:39:55,422 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_8222b4f4-a9fc-4ca0-b1c5-794c0660afd7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[655837,655850] [2022-11-02 20:39:55,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:39:56,087 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:39:56,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:56 WrapperNode [2022-11-02 20:39:56,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:39:56,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:39:56,104 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:39:56,105 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:39:56,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:56" (1/1) ... [2022-11-02 20:39:56,441 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:56" (1/1) ... [2022-11-02 20:39:56,974 INFO L138 Inliner]: procedures = 811, calls = 7677, calls flagged for inlining = 392, calls inlined = 357, statements flattened = 15754 [2022-11-02 20:39:56,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:39:56,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:39:56,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:39:56,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:39:56,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:56" (1/1) ... [2022-11-02 20:39:56,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:56" (1/1) ... [2022-11-02 20:39:57,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:56" (1/1) ... [2022-11-02 20:39:57,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:56" (1/1) ... [2022-11-02 20:39:57,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:56" (1/1) ... [2022-11-02 20:39:57,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:56" (1/1) ... [2022-11-02 20:39:57,867 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:56" (1/1) ... [2022-11-02 20:39:57,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:56" (1/1) ... [2022-11-02 20:39:58,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:39:58,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:39:58,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:39:58,160 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:39:58,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:56" (1/1) ... [2022-11-02 20:39:58,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:39:58,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8222b4f4-a9fc-4ca0-b1c5-794c0660afd7/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:39:58,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8222b4f4-a9fc-4ca0-b1c5-794c0660afd7/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:39:58,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8222b4f4-a9fc-4ca0-b1c5-794c0660afd7/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:39:58,388 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-02 20:39:58,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-02 20:39:58,389 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-02 20:39:58,389 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-02 20:39:58,389 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-02 20:39:58,389 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2022-11-02 20:39:58,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2022-11-02 20:39:58,390 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2022-11-02 20:39:58,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2022-11-02 20:39:58,390 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2022-11-02 20:39:58,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2022-11-02 20:39:58,390 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2022-11-02 20:39:58,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2022-11-02 20:39:58,391 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-11-02 20:39:58,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-11-02 20:39:58,391 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-11-02 20:39:58,391 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-11-02 20:39:58,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-02 20:39:58,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-02 20:39:58,392 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-02 20:39:58,392 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-02 20:39:58,392 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-02 20:39:58,392 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-02 20:39:58,392 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-11-02 20:39:58,392 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-11-02 20:39:58,393 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2022-11-02 20:39:58,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2022-11-02 20:39:58,393 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2022-11-02 20:39:58,393 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2022-11-02 20:39:58,393 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-02 20:39:58,393 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-02 20:39:58,408 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-02 20:39:58,409 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-02 20:39:58,409 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2022-11-02 20:39:58,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2022-11-02 20:39:58,409 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2022-11-02 20:39:58,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2022-11-02 20:39:58,410 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-02 20:39:58,410 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-02 20:39:58,410 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-02 20:39:58,410 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-02 20:39:58,410 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2022-11-02 20:39:58,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2022-11-02 20:39:58,411 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2022-11-02 20:39:58,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2022-11-02 20:39:58,411 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2022-11-02 20:39:58,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2022-11-02 20:39:58,411 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2022-11-02 20:39:58,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2022-11-02 20:39:58,412 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-02 20:39:58,412 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-02 20:39:58,412 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2022-11-02 20:39:58,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2022-11-02 20:39:58,412 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-11-02 20:39:58,413 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2022-11-02 20:39:58,413 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 20:39:58,413 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 20:39:58,413 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2022-11-02 20:39:58,413 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2022-11-02 20:39:58,414 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-02 20:39:58,414 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-02 20:39:58,414 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-02 20:39:58,414 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-02 20:39:58,414 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2022-11-02 20:39:58,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2022-11-02 20:39:58,415 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2022-11-02 20:39:58,415 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2022-11-02 20:39:58,415 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2022-11-02 20:39:58,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2022-11-02 20:39:58,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-02 20:39:58,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-02 20:39:58,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:39:58,416 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-02 20:39:58,416 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-02 20:39:58,416 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-11-02 20:39:58,416 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-11-02 20:39:58,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-02 20:39:58,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-02 20:39:58,417 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-02 20:39:58,417 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-02 20:39:58,417 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-02 20:39:58,417 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-02 20:39:58,417 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2022-11-02 20:39:58,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2022-11-02 20:39:58,418 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2022-11-02 20:39:58,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2022-11-02 20:39:58,418 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-02 20:39:58,418 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-02 20:39:58,418 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-02 20:39:58,419 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-02 20:39:58,419 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2022-11-02 20:39:58,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2022-11-02 20:39:58,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-02 20:39:58,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-02 20:39:58,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:39:58,420 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2022-11-02 20:39:58,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2022-11-02 20:39:58,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-02 20:39:58,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-02 20:39:58,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-02 20:39:58,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-02 20:39:58,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-02 20:39:58,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-02 20:39:58,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-02 20:39:58,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-02 20:39:58,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:39:58,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-02 20:39:58,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-02 20:39:58,422 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-02 20:39:58,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-02 20:39:58,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:39:58,422 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 20:39:58,422 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2022-11-02 20:39:58,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2022-11-02 20:39:58,423 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2022-11-02 20:39:58,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2022-11-02 20:39:58,423 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-02 20:39:58,423 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-02 20:39:58,423 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2022-11-02 20:39:58,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2022-11-02 20:39:58,424 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-02 20:39:58,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-02 20:39:58,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hw_lock_of_ql_adapter [2022-11-02 20:39:58,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hw_lock_of_ql_adapter [2022-11-02 20:39:58,425 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 20:39:58,425 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 20:39:58,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-02 20:39:58,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-02 20:39:58,425 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2022-11-02 20:39:58,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2022-11-02 20:39:58,426 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-02 20:39:58,426 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-02 20:39:58,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hw_lock_of_ql_adapter [2022-11-02 20:39:58,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hw_lock_of_ql_adapter [2022-11-02 20:39:58,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:39:58,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:39:58,426 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2022-11-02 20:39:58,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2022-11-02 20:39:58,427 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2022-11-02 20:39:58,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2022-11-02 20:39:58,427 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-02 20:39:58,427 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-02 20:39:58,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:39:58,428 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-11-02 20:39:58,428 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-11-02 20:39:58,428 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-02 20:39:58,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-02 20:39:58,440 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-02 20:39:58,441 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-02 20:39:58,441 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-02 20:39:58,441 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-02 20:39:58,441 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-02 20:39:58,441 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2022-11-02 20:39:58,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2022-11-02 20:39:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-02 20:39:58,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-02 20:39:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2022-11-02 20:39:58,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2022-11-02 20:39:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2022-11-02 20:39:58,443 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2022-11-02 20:39:58,443 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-02 20:39:58,443 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-02 20:39:58,443 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-02 20:39:58,443 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-02 20:39:58,443 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-02 20:39:58,443 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-02 20:39:58,444 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-02 20:39:58,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-02 20:39:58,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:39:58,444 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:39:58,444 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-02 20:39:58,444 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-02 20:39:58,445 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2022-11-02 20:39:58,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2022-11-02 20:39:58,445 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-02 20:39:58,445 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-02 20:39:58,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:39:58,445 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 20:39:58,446 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 20:39:58,446 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2022-11-02 20:39:58,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2022-11-02 20:39:58,446 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2022-11-02 20:39:58,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2022-11-02 20:39:58,446 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2022-11-02 20:39:58,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2022-11-02 20:39:58,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:39:58,447 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-02 20:39:58,447 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-02 20:39:58,447 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2022-11-02 20:39:58,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2022-11-02 20:39:58,447 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2022-11-02 20:39:58,448 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2022-11-02 20:39:58,448 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2022-11-02 20:39:58,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2022-11-02 20:39:58,448 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-02 20:39:58,448 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-02 20:39:58,448 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2022-11-02 20:39:58,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2022-11-02 20:39:58,449 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-02 20:39:58,449 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-02 20:39:58,449 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-02 20:39:58,449 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-02 20:39:58,449 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-02 20:39:58,449 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-02 20:39:58,450 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-02 20:39:58,450 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-02 20:39:58,450 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-02 20:39:58,450 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-02 20:39:58,450 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-02 20:39:58,450 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-02 20:39:58,451 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-02 20:39:58,451 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-02 20:39:58,451 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-02 20:39:58,451 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-02 20:39:58,451 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2022-11-02 20:39:58,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2022-11-02 20:39:58,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:39:58,452 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-02 20:39:58,452 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-02 20:39:58,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:39:58,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:39:58,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2022-11-02 20:39:58,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2022-11-02 20:39:58,453 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2022-11-02 20:39:58,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2022-11-02 20:39:58,453 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2022-11-02 20:39:58,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2022-11-02 20:39:58,453 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2022-11-02 20:39:58,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2022-11-02 20:39:58,454 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2022-11-02 20:39:58,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2022-11-02 20:39:58,454 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-02 20:39:58,454 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-02 20:39:58,454 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-02 20:39:58,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-02 20:39:58,455 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2022-11-02 20:39:58,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2022-11-02 20:39:58,455 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2022-11-02 20:39:58,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2022-11-02 20:39:58,455 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-02 20:39:58,456 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-02 20:39:58,456 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2022-11-02 20:39:58,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2022-11-02 20:39:58,456 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2022-11-02 20:39:58,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2022-11-02 20:39:58,457 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2022-11-02 20:39:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2022-11-02 20:39:58,469 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-02 20:39:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-02 20:39:58,469 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2022-11-02 20:39:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2022-11-02 20:39:58,469 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2022-11-02 20:39:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2022-11-02 20:39:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2022-11-02 20:39:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2022-11-02 20:39:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-02 20:39:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-02 20:39:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-02 20:39:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2022-11-02 20:39:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2022-11-02 20:39:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2022-11-02 20:39:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2022-11-02 20:39:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-11-02 20:39:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-11-02 20:39:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-02 20:39:58,472 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-02 20:39:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-02 20:39:58,472 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-02 20:39:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-02 20:39:58,472 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-02 20:39:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-02 20:39:58,473 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-02 20:39:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2022-11-02 20:39:58,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2022-11-02 20:39:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:39:58,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:39:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-02 20:39:58,473 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-02 20:39:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2022-11-02 20:39:58,474 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2022-11-02 20:39:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-02 20:39:58,474 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-02 20:39:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-02 20:39:58,474 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-02 20:39:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-02 20:39:58,475 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-02 20:39:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-02 20:39:58,475 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-02 20:39:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2022-11-02 20:39:58,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2022-11-02 20:39:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_resume [2022-11-02 20:39:58,476 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_resume [2022-11-02 20:39:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 20:39:58,476 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 20:39:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2022-11-02 20:39:58,476 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2022-11-02 20:39:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2022-11-02 20:39:58,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2022-11-02 20:39:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2022-11-02 20:39:58,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2022-11-02 20:39:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-02 20:39:58,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-02 20:39:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2022-11-02 20:39:58,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2022-11-02 20:39:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-02 20:39:58,478 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-02 20:39:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-02 20:39:58,478 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-02 20:39:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-02 20:39:58,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-02 20:39:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2022-11-02 20:39:58,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2022-11-02 20:39:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-02 20:39:58,479 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-02 20:39:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:39:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2022-11-02 20:39:58,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2022-11-02 20:39:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-02 20:39:58,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-02 20:39:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2022-11-02 20:39:58,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2022-11-02 20:39:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2022-11-02 20:39:58,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2022-11-02 20:39:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-02 20:39:58,480 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-02 20:39:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2022-11-02 20:39:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2022-11-02 20:39:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_qlge_driver_exit_16_2 [2022-11-02 20:39:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_qlge_driver_exit_16_2 [2022-11-02 20:39:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-02 20:39:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-02 20:39:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:39:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2022-11-02 20:39:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2022-11-02 20:39:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-02 20:39:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-02 20:39:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:39:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2022-11-02 20:39:58,483 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2022-11-02 20:39:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-02 20:39:58,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-02 20:39:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:39:58,483 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:39:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-02 20:39:58,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-02 20:39:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-02 20:39:58,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-02 20:39:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2022-11-02 20:39:58,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2022-11-02 20:39:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2022-11-02 20:39:58,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2022-11-02 20:39:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2022-11-02 20:39:58,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2022-11-02 20:39:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2022-11-02 20:39:58,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2022-11-02 20:39:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-11-02 20:39:58,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-11-02 20:39:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2022-11-02 20:39:58,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2022-11-02 20:39:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-02 20:39:58,486 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-02 20:39:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:39:58,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:39:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2022-11-02 20:39:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2022-11-02 20:39:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2022-11-02 20:39:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2022-11-02 20:39:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-02 20:39:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-02 20:39:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2022-11-02 20:39:58,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2022-11-02 20:39:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-02 20:39:58,488 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-02 20:39:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2022-11-02 20:39:58,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2022-11-02 20:39:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-02 20:39:58,489 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-02 20:39:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-02 20:39:58,489 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-02 20:39:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2022-11-02 20:39:58,489 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2022-11-02 20:39:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-02 20:39:58,490 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-02 20:39:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2022-11-02 20:39:58,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2022-11-02 20:39:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-02 20:39:58,490 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-02 20:39:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-02 20:39:58,491 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-02 20:39:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2022-11-02 20:39:58,491 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2022-11-02 20:39:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2022-11-02 20:39:58,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2022-11-02 20:39:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:39:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:39:58,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:39:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-02 20:39:58,492 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-02 20:39:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2022-11-02 20:39:58,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2022-11-02 20:39:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-02 20:39:58,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-02 20:39:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-02 20:39:58,493 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-02 20:39:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2022-11-02 20:39:58,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2022-11-02 20:39:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2022-11-02 20:39:58,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2022-11-02 20:39:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-02 20:39:58,494 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-02 20:39:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2022-11-02 20:39:58,494 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2022-11-02 20:39:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2022-11-02 20:39:58,494 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2022-11-02 20:39:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2022-11-02 20:39:58,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2022-11-02 20:39:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-02 20:39:58,495 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-02 20:39:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2022-11-02 20:39:58,495 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2022-11-02 20:39:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2022-11-02 20:39:58,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2022-11-02 20:39:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2022-11-02 20:39:58,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2022-11-02 20:39:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2022-11-02 20:39:58,496 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2022-11-02 20:39:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-02 20:39:58,496 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-02 20:39:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-02 20:39:58,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-02 20:39:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-02 20:39:58,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-02 20:39:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-02 20:39:58,497 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-02 20:39:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-02 20:39:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-02 20:39:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-02 20:39:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-02 20:39:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:39:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2022-11-02 20:39:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2022-11-02 20:39:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-02 20:39:58,499 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-02 20:39:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-02 20:39:58,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-02 20:39:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-02 20:39:58,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-02 20:39:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-02 20:39:58,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-02 20:39:58,500 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2022-11-02 20:39:58,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2022-11-02 20:39:58,500 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2022-11-02 20:39:58,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2022-11-02 20:39:58,500 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2022-11-02 20:39:58,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2022-11-02 20:39:58,500 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-02 20:39:58,501 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-02 20:39:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2022-11-02 20:39:58,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2022-11-02 20:39:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2022-11-02 20:39:58,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2022-11-02 20:39:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-02 20:39:58,501 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-02 20:39:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2022-11-02 20:39:58,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2022-11-02 20:39:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-02 20:39:58,502 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-02 20:39:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2022-11-02 20:39:58,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2022-11-02 20:39:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 20:39:58,503 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 20:39:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-02 20:39:58,503 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-02 20:39:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-02 20:39:58,503 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-02 20:39:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2022-11-02 20:39:58,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2022-11-02 20:39:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-02 20:39:58,504 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-02 20:39:58,504 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2022-11-02 20:39:58,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2022-11-02 20:39:58,504 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-02 20:39:58,504 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-02 20:39:58,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-02 20:39:58,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-02 20:39:58,505 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2022-11-02 20:39:58,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2022-11-02 20:39:58,505 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2022-11-02 20:39:58,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2022-11-02 20:39:58,505 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-02 20:39:58,505 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-02 20:39:58,505 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2022-11-02 20:39:58,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2022-11-02 20:39:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 20:39:58,506 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 20:39:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:39:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2022-11-02 20:39:58,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2022-11-02 20:39:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-02 20:39:58,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-02 20:39:58,507 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2022-11-02 20:39:58,507 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2022-11-02 20:39:58,507 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2022-11-02 20:39:58,507 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2022-11-02 20:39:58,507 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2022-11-02 20:39:58,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2022-11-02 20:40:00,541 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:40:00,548 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:40:00,701 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:40:28,205 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-02 20:40:29,458 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:40:29,506 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:40:29,506 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-02 20:40:29,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:40:29 BoogieIcfgContainer [2022-11-02 20:40:29,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:40:29,519 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:40:29,519 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:40:29,523 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:40:29,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:39:45" (1/3) ... [2022-11-02 20:40:29,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b50e027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:40:29, skipping insertion in model container [2022-11-02 20:40:29,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:56" (2/3) ... [2022-11-02 20:40:29,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b50e027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:40:29, skipping insertion in model container [2022-11-02 20:40:29,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:40:29" (3/3) ... [2022-11-02 20:40:29,527 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2022-11-02 20:40:29,548 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:40:29,548 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-02 20:40:29,733 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:40:29,746 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;@2458fd8d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:40:29,748 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-02 20:40:29,772 INFO L276 IsEmpty]: Start isEmpty. Operand has 5187 states, 3667 states have (on average 1.3397872920643579) internal successors, (4913), 3731 states have internal predecessors, (4913), 1275 states have call successors, (1275), 243 states have call predecessors, (1275), 242 states have return successors, (1268), 1252 states have call predecessors, (1268), 1268 states have call successors, (1268) [2022-11-02 20:40:29,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-11-02 20:40:29,821 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:40:29,822 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:40:29,823 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 20:40:29,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:40:29,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1263881382, now seen corresponding path program 1 times [2022-11-02 20:40:29,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:40:29,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237684877] [2022-11-02 20:40:29,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:40:29,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:40:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:31,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:40:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:31,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:31,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:31,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:40:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:31,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:31,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:40:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:31,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:31,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:31,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:40:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:31,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:31,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:40:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:31,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:31,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:40:31,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:31,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:31,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:40:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:31,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:31,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:31,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:40:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:31,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:31,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:40:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:31,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:31,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:40:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:31,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:31,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:40:31,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:32,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:32,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:40:32,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:32,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:32,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:32,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:40:32,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:32,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:32,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:40:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:32,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:32,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:32,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:40:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:32,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:32,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:32,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:40:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:32,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:32,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:32,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:40:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:32,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:32,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:32,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-02 20:40:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:32,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:32,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-02 20:40:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:32,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-02 20:40:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:32,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2022-11-02 20:40:32,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:40:32,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237684877] [2022-11-02 20:40:32,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237684877] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:40:32,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:40:32,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:40:32,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104260867] [2022-11-02 20:40:32,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:40:32,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:40:32,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:40:32,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:40:32,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:40:32,407 INFO L87 Difference]: Start difference. First operand has 5187 states, 3667 states have (on average 1.3397872920643579) internal successors, (4913), 3731 states have internal predecessors, (4913), 1275 states have call successors, (1275), 243 states have call predecessors, (1275), 242 states have return successors, (1268), 1252 states have call predecessors, (1268), 1268 states have call successors, (1268) Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-02 20:40:44,011 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 20:40:46,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:40:59,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:41:02,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:41:06,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:41:06,856 INFO L93 Difference]: Finished difference Result 16816 states and 24812 transitions. [2022-11-02 20:41:06,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:41:06,859 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 225 [2022-11-02 20:41:06,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:41:06,992 INFO L225 Difference]: With dead ends: 16816 [2022-11-02 20:41:06,993 INFO L226 Difference]: Without dead ends: 11650 [2022-11-02 20:41:07,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:41:07,053 INFO L413 NwaCegarLoop]: 7883 mSDtfsCounter, 11680 mSDsluCounter, 7470 mSDsCounter, 0 mSdLazyCounter, 6328 mSolverCounterSat, 4768 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12909 SdHoareTripleChecker+Valid, 15353 SdHoareTripleChecker+Invalid, 11100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4768 IncrementalHoareTripleChecker+Valid, 6328 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:41:07,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12909 Valid, 15353 Invalid, 11100 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4768 Valid, 6328 Invalid, 4 Unknown, 0 Unchecked, 33.0s Time] [2022-11-02 20:41:07,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11650 states. [2022-11-02 20:41:07,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11650 to 10484. [2022-11-02 20:41:07,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10484 states, 7440 states have (on average 1.334005376344086) internal successors, (9925), 7592 states have internal predecessors, (9925), 2550 states have call successors, (2550), 478 states have call predecessors, (2550), 491 states have return successors, (2670), 2511 states have call predecessors, (2670), 2546 states have call successors, (2670) [2022-11-02 20:41:07,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10484 states to 10484 states and 15145 transitions. [2022-11-02 20:41:07,869 INFO L78 Accepts]: Start accepts. Automaton has 10484 states and 15145 transitions. Word has length 225 [2022-11-02 20:41:07,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:41:07,873 INFO L495 AbstractCegarLoop]: Abstraction has 10484 states and 15145 transitions. [2022-11-02 20:41:07,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-02 20:41:07,873 INFO L276 IsEmpty]: Start isEmpty. Operand 10484 states and 15145 transitions. [2022-11-02 20:41:07,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-11-02 20:41:07,892 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:41:07,893 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:41:07,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:41:07,894 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 20:41:07,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:07,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1147907538, now seen corresponding path program 1 times [2022-11-02 20:41:07,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:07,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858681629] [2022-11-02 20:41:07,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:07,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:41:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:41:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:41:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:09,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:41:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:41:09,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:41:09,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:41:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:41:09,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:41:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:09,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:41:09,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:41:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:41:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:41:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:41:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:09,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:41:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:41:09,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:41:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-02 20:41:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-02 20:41:09,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-02 20:41:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:09,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2022-11-02 20:41:09,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:09,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858681629] [2022-11-02 20:41:09,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858681629] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:09,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:09,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:41:09,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702311280] [2022-11-02 20:41:09,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:09,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:41:09,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:09,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:41:09,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:41:09,552 INFO L87 Difference]: Start difference. First operand 10484 states and 15145 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, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-02 20:41:25,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:41:28,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:41:33,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:41:35,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:41:39,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:41:41,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:41:47,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:41:47,247 INFO L93 Difference]: Finished difference Result 33468 states and 48790 transitions. [2022-11-02 20:41:47,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:41:47,248 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 226 [2022-11-02 20:41:47,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:41:47,425 INFO L225 Difference]: With dead ends: 33468 [2022-11-02 20:41:47,426 INFO L226 Difference]: Without dead ends: 23025 [2022-11-02 20:41:47,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:41:47,493 INFO L413 NwaCegarLoop]: 7785 mSDtfsCounter, 11755 mSDsluCounter, 7359 mSDsCounter, 0 mSdLazyCounter, 6286 mSolverCounterSat, 4733 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13004 SdHoareTripleChecker+Valid, 15144 SdHoareTripleChecker+Invalid, 11025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4733 IncrementalHoareTripleChecker+Valid, 6286 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:41:47,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13004 Valid, 15144 Invalid, 11025 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4733 Valid, 6286 Invalid, 6 Unknown, 0 Unchecked, 36.2s Time] [2022-11-02 20:41:47,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23025 states. [2022-11-02 20:41:48,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23025 to 20752. [2022-11-02 20:41:48,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20752 states, 14747 states have (on average 1.3348477656472504) internal successors, (19685), 15043 states have internal predecessors, (19685), 5023 states have call successors, (5023), 952 states have call predecessors, (5023), 979 states have return successors, (5253), 4952 states have call predecessors, (5253), 5019 states have call successors, (5253) [2022-11-02 20:41:48,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20752 states to 20752 states and 29961 transitions. [2022-11-02 20:41:48,816 INFO L78 Accepts]: Start accepts. Automaton has 20752 states and 29961 transitions. Word has length 226 [2022-11-02 20:41:48,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:41:48,818 INFO L495 AbstractCegarLoop]: Abstraction has 20752 states and 29961 transitions. [2022-11-02 20:41:48,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-02 20:41:48,819 INFO L276 IsEmpty]: Start isEmpty. Operand 20752 states and 29961 transitions. [2022-11-02 20:41:48,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-11-02 20:41:48,827 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:41:48,827 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:41:48,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:41:48,828 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)] === [2022-11-02 20:41:48,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:48,829 INFO L85 PathProgramCache]: Analyzing trace with hash -186177773, now seen corresponding path program 1 times [2022-11-02 20:41:48,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:48,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102781434] [2022-11-02 20:41:48,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:48,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:49,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:41:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:49,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:49,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:41:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:49,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:49,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:41:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:49,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:49,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:49,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:41:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:49,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:49,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:41:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:49,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:49,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:41:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:49,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:49,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:41:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:49,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:49,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:41:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:49,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:49,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:41:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:49,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:50,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:41:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:50,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:50,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:41:50,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:50,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:50,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:50,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:41:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:50,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:50,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:41:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:50,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:50,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:41:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:50,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:50,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:41:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:50,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:50,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:41:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:50,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:50,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:41:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:50,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:50,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-02 20:41:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:50,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:50,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-02 20:41:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:50,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-02 20:41:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:50,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:50,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:41:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:50,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:41:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:50,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-02 20:41:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:50,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1435 trivial. 0 not checked. [2022-11-02 20:41:50,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:50,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102781434] [2022-11-02 20:41:50,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102781434] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:50,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:50,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:41:50,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756128882] [2022-11-02 20:41:50,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:50,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:41:50,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:50,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:41:50,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:41:50,307 INFO L87 Difference]: Start difference. First operand 20752 states and 29961 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-02 20:41:56,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:09,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:12,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:16,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:42:16,834 INFO L93 Difference]: Finished difference Result 57759 states and 83741 transitions. [2022-11-02 20:42:16,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:42:16,835 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 249 [2022-11-02 20:42:16,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:42:17,062 INFO L225 Difference]: With dead ends: 57759 [2022-11-02 20:42:17,063 INFO L226 Difference]: Without dead ends: 37048 [2022-11-02 20:42:17,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:42:17,173 INFO L413 NwaCegarLoop]: 7568 mSDtfsCounter, 8353 mSDsluCounter, 7176 mSDsCounter, 0 mSdLazyCounter, 5834 mSolverCounterSat, 3606 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9288 SdHoareTripleChecker+Valid, 14744 SdHoareTripleChecker+Invalid, 9443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3606 IncrementalHoareTripleChecker+Valid, 5834 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:42:17,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9288 Valid, 14744 Invalid, 9443 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3606 Valid, 5834 Invalid, 3 Unknown, 0 Unchecked, 24.7s Time] [2022-11-02 20:42:17,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37048 states. [2022-11-02 20:42:19,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37048 to 33350. [2022-11-02 20:42:19,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33350 states, 23687 states have (on average 1.328281335753789) internal successors, (31463), 24189 states have internal predecessors, (31463), 7967 states have call successors, (7967), 1642 states have call predecessors, (7967), 1693 states have return successors, (8373), 7846 states have call predecessors, (8373), 7963 states have call successors, (8373) [2022-11-02 20:42:19,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33350 states to 33350 states and 47803 transitions. [2022-11-02 20:42:19,406 INFO L78 Accepts]: Start accepts. Automaton has 33350 states and 47803 transitions. Word has length 249 [2022-11-02 20:42:19,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:42:19,407 INFO L495 AbstractCegarLoop]: Abstraction has 33350 states and 47803 transitions. [2022-11-02 20:42:19,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-02 20:42:19,408 INFO L276 IsEmpty]: Start isEmpty. Operand 33350 states and 47803 transitions. [2022-11-02 20:42:19,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-11-02 20:42:19,420 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:42:19,420 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:42:19,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:42:19,421 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 20:42:19,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:42:19,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1893872308, now seen corresponding path program 1 times [2022-11-02 20:42:19,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:42:19,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53884565] [2022-11-02 20:42:19,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:42:19,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:42:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:20,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:42:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:20,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:20,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:42:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:20,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:20,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:42:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:20,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:20,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:42:20,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:20,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:20,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:42:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:20,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:20,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:42:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:20,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:20,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:42:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:20,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:20,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:42:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:20,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:20,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:42:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:20,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:20,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:42:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:20,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:20,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:20,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:42:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:20,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:20,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:42:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:20,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:20,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:42:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:20,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:20,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:42:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:20,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:20,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:42:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:21,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:21,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:42:21,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:21,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:21,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:21,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:42:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:21,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:21,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-02 20:42:21,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:21,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:21,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-02 20:42:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:21,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-02 20:42:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:21,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-02 20:42:21,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:21,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-11-02 20:42:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:21,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-02 20:42:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:21,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:21,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-11-02 20:42:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:21,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-11-02 20:42:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:21,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-11-02 20:42:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:21,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1635 trivial. 0 not checked. [2022-11-02 20:42:21,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:42:21,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53884565] [2022-11-02 20:42:21,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53884565] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:42:21,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:42:21,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:42:21,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525510518] [2022-11-02 20:42:21,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:42:21,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:42:21,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:42:21,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:42:21,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:42:21,419 INFO L87 Difference]: Start difference. First operand 33350 states and 47803 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-02 20:42:32,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:42,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:47,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:49,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:42:53,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:42:53,245 INFO L93 Difference]: Finished difference Result 72192 states and 104562 transitions. [2022-11-02 20:42:53,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:42:53,245 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 282 [2022-11-02 20:42:53,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:42:53,582 INFO L225 Difference]: With dead ends: 72192 [2022-11-02 20:42:53,582 INFO L226 Difference]: Without dead ends: 55347 [2022-11-02 20:42:53,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:42:53,689 INFO L413 NwaCegarLoop]: 13795 mSDtfsCounter, 9060 mSDsluCounter, 9955 mSDsCounter, 0 mSdLazyCounter, 6465 mSolverCounterSat, 3355 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10303 SdHoareTripleChecker+Valid, 23750 SdHoareTripleChecker+Invalid, 9824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3355 IncrementalHoareTripleChecker+Valid, 6465 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:42:53,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10303 Valid, 23750 Invalid, 9824 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3355 Valid, 6465 Invalid, 4 Unknown, 0 Unchecked, 29.4s Time] [2022-11-02 20:42:53,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55347 states. [2022-11-02 20:42:56,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55347 to 49858. [2022-11-02 20:42:56,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49858 states, 35423 states have (on average 1.32854360161477) internal successors, (47061), 36169 states have internal predecessors, (47061), 11895 states have call successors, (11895), 2460 states have call predecessors, (11895), 2537 states have return successors, (12503), 11720 states have call predecessors, (12503), 11891 states have call successors, (12503) [2022-11-02 20:42:57,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49858 states to 49858 states and 71459 transitions. [2022-11-02 20:42:57,312 INFO L78 Accepts]: Start accepts. Automaton has 49858 states and 71459 transitions. Word has length 282 [2022-11-02 20:42:57,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:42:57,313 INFO L495 AbstractCegarLoop]: Abstraction has 49858 states and 71459 transitions. [2022-11-02 20:42:57,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-02 20:42:57,313 INFO L276 IsEmpty]: Start isEmpty. Operand 49858 states and 71459 transitions. [2022-11-02 20:42:57,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-11-02 20:42:57,325 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:42:57,325 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:42:57,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:42:57,326 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 20:42:57,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:42:57,327 INFO L85 PathProgramCache]: Analyzing trace with hash 2034420918, now seen corresponding path program 1 times [2022-11-02 20:42:57,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:42:57,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253397076] [2022-11-02 20:42:57,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:42:57,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:42:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:59,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:42:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:59,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:59,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:42:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:59,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:59,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:42:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:59,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:59,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:59,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:42:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:59,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:59,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:42:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:59,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:59,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:42:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:59,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:59,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:42:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:43:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:43:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:43:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:43:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:43:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:43:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:43:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:43:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:43:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:43:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-02 20:43:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-02 20:43:00,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-02 20:43:00,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-02 20:43:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-11-02 20:43:00,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-02 20:43:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:43:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-11-02 20:43:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-11-02 20:43:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-11-02 20:43:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2022-11-02 20:43:00,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:00,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253397076] [2022-11-02 20:43:00,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253397076] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:00,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:00,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:43:00,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364068290] [2022-11-02 20:43:00,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:00,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:43:00,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:00,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:43:00,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:43:00,552 INFO L87 Difference]: Start difference. First operand 49858 states and 71459 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27)