./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3531b9cc-c6ed-496c-82ef-a69540d4260e/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3531b9cc-c6ed-496c-82ef-a69540d4260e/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_3531b9cc-c6ed-496c-82ef-a69540d4260e/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3531b9cc-c6ed-496c-82ef-a69540d4260e/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3531b9cc-c6ed-496c-82ef-a69540d4260e/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_3531b9cc-c6ed-496c-82ef-a69540d4260e/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 eed79abab256f81f1863cfddb0c42a9b6564cf98ca16b371152af6fd281f627c --- 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 20:46:14,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:46:14,368 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:46:14,400 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:46:14,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:46:14,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:46:14,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:46:14,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:46:14,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:46:14,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:46:14,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:46:14,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:46:14,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:46:14,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:46:14,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:46:14,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:46:14,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:46:14,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:46:14,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:46:14,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:46:14,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:46:14,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:46:14,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:46:14,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:46:14,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:46:14,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:46:14,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:46:14,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:46:14,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:46:14,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:46:14,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:46:14,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:46:14,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:46:14,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:46:14,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:46:14,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:46:14,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:46:14,448 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:46:14,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:46:14,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:46:14,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:46:14,451 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3531b9cc-c6ed-496c-82ef-a69540d4260e/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:46:14,495 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:46:14,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:46:14,496 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:46:14,496 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:46:14,497 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:46:14,497 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:46:14,497 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:46:14,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:46:14,498 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:46:14,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:46:14,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:46:14,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:46:14,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:46:14,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:46:14,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:46:14,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:46:14,500 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:46:14,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:46:14,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:46:14,501 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:46:14,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:46:14,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:46:14,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:46:14,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:46:14,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:46:14,502 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:46:14,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:46:14,503 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:46:14,503 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:46:14,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:46:14,504 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_3531b9cc-c6ed-496c-82ef-a69540d4260e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3531b9cc-c6ed-496c-82ef-a69540d4260e/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eed79abab256f81f1863cfddb0c42a9b6564cf98ca16b371152af6fd281f627c [2022-11-02 20:46:14,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:46:14,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:46:14,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:46:14,800 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:46:14,801 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:46:14,802 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3531b9cc-c6ed-496c-82ef-a69540d4260e/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-11-02 20:46:14,873 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3531b9cc-c6ed-496c-82ef-a69540d4260e/bin/uautomizer-Dbtcem3rbc/data/08382a321/580f4dad5e8d4df5a1b0881305c52f39/FLAG6e1241578 [2022-11-02 20:46:16,043 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:46:16,044 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3531b9cc-c6ed-496c-82ef-a69540d4260e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-11-02 20:46:16,109 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3531b9cc-c6ed-496c-82ef-a69540d4260e/bin/uautomizer-Dbtcem3rbc/data/08382a321/580f4dad5e8d4df5a1b0881305c52f39/FLAG6e1241578 [2022-11-02 20:46:16,335 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3531b9cc-c6ed-496c-82ef-a69540d4260e/bin/uautomizer-Dbtcem3rbc/data/08382a321/580f4dad5e8d4df5a1b0881305c52f39 [2022-11-02 20:46:16,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:46:16,341 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:46:16,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:46:16,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:46:16,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:46:16,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:46:16" (1/1) ... [2022-11-02 20:46:16,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c5f5b7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:16, skipping insertion in model container [2022-11-02 20:46:16,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:46:16" (1/1) ... [2022-11-02 20:46:16,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:46:16,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:46:20,555 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_3531b9cc-c6ed-496c-82ef-a69540d4260e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[462950,462963] [2022-11-02 20:46:20,563 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_3531b9cc-c6ed-496c-82ef-a69540d4260e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463119,463132] [2022-11-02 20:46:20,563 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_3531b9cc-c6ed-496c-82ef-a69540d4260e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463286,463299] [2022-11-02 20:46:20,564 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_3531b9cc-c6ed-496c-82ef-a69540d4260e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463454,463467] [2022-11-02 20:46:20,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:46:20,665 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:46:21,206 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_3531b9cc-c6ed-496c-82ef-a69540d4260e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[462950,462963] [2022-11-02 20:46:21,207 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_3531b9cc-c6ed-496c-82ef-a69540d4260e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463119,463132] [2022-11-02 20:46:21,208 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_3531b9cc-c6ed-496c-82ef-a69540d4260e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463286,463299] [2022-11-02 20:46:21,208 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_3531b9cc-c6ed-496c-82ef-a69540d4260e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463454,463467] [2022-11-02 20:46:21,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:46:21,587 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:46:21,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:21 WrapperNode [2022-11-02 20:46:21,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:46:21,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:46:21,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:46:21,589 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:46:21,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:21" (1/1) ... [2022-11-02 20:46:21,736 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:21" (1/1) ... [2022-11-02 20:46:22,079 INFO L138 Inliner]: procedures = 566, calls = 4373, calls flagged for inlining = 270, calls inlined = 248, statements flattened = 8973 [2022-11-02 20:46:22,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:46:22,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:46:22,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:46:22,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:46:22,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:21" (1/1) ... [2022-11-02 20:46:22,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:21" (1/1) ... [2022-11-02 20:46:22,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:21" (1/1) ... [2022-11-02 20:46:22,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:21" (1/1) ... [2022-11-02 20:46:22,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:21" (1/1) ... [2022-11-02 20:46:22,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:21" (1/1) ... [2022-11-02 20:46:22,411 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:21" (1/1) ... [2022-11-02 20:46:22,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:21" (1/1) ... [2022-11-02 20:46:22,575 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:46:22,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:46:22,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:46:22,576 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:46:22,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:21" (1/1) ... [2022-11-02 20:46:22,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:46:22,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3531b9cc-c6ed-496c-82ef-a69540d4260e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:22,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3531b9cc-c6ed-496c-82ef-a69540d4260e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:22,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3531b9cc-c6ed-496c-82ef-a69540d4260e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:46:22,665 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-02 20:46:22,665 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-02 20:46:22,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-02 20:46:22,665 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-02 20:46:22,665 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-02 20:46:22,666 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-02 20:46:22,666 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-11-02 20:46:22,666 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-11-02 20:46:22,666 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2022-11-02 20:46:22,666 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2022-11-02 20:46:22,666 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-02 20:46:22,667 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-02 20:46:22,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2022-11-02 20:46:22,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2022-11-02 20:46:22,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:46:22,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:46:22,667 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-02 20:46:22,667 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-02 20:46:22,667 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2022-11-02 20:46:22,668 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2022-11-02 20:46:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_82 [2022-11-02 20:46:22,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_82 [2022-11-02 20:46:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2022-11-02 20:46:22,668 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2022-11-02 20:46:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-02 20:46:22,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-02 20:46:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-02 20:46:22,669 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-02 20:46:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2022-11-02 20:46:22,669 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2022-11-02 20:46:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-02 20:46:22,669 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-02 20:46:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-11-02 20:46:22,670 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-11-02 20:46:22,670 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-11-02 20:46:22,670 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-11-02 20:46:22,670 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2022-11-02 20:46:22,670 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2022-11-02 20:46:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-02 20:46:22,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-02 20:46:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2022-11-02 20:46:22,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2022-11-02 20:46:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-02 20:46:22,671 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-02 20:46:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 20:46:22,672 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 20:46:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-11-02 20:46:22,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-11-02 20:46:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2022-11-02 20:46:22,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2022-11-02 20:46:22,673 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2022-11-02 20:46:22,674 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2022-11-02 20:46:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-02 20:46:22,674 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-02 20:46:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-02 20:46:22,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-02 20:46:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-02 20:46:22,675 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-02 20:46:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-02 20:46:22,675 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-02 20:46:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-02 20:46:22,676 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-02 20:46:22,676 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-02 20:46:22,676 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-02 20:46:22,676 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-02 20:46:22,677 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-02 20:46:22,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-02 20:46:22,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-02 20:46:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-02 20:46:22,678 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-02 20:46:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 20:46:22,678 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 20:46:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-02 20:46:22,678 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-02 20:46:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:46:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2022-11-02 20:46:22,679 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2022-11-02 20:46:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-02 20:46:22,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-02 20:46:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-02 20:46:22,679 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-02 20:46:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 20:46:22,679 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 20:46:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:46:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2022-11-02 20:46:22,681 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2022-11-02 20:46:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-02 20:46:22,681 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-02 20:46:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2022-11-02 20:46:22,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2022-11-02 20:46:22,682 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-02 20:46:22,682 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-02 20:46:22,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-02 20:46:22,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-02 20:46:22,682 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-02 20:46:22,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-02 20:46:22,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:46:22,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-02 20:46:22,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-02 20:46:22,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:46:22,683 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2022-11-02 20:46:22,683 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2022-11-02 20:46:22,683 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-11-02 20:46:22,683 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-11-02 20:46:22,684 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-02 20:46:22,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-02 20:46:22,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:46:22,684 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:46:22,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-02 20:46:22,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-02 20:46:22,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-02 20:46:22,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-02 20:46:22,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-02 20:46:22,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-02 20:46:22,689 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2022-11-02 20:46:22,690 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2022-11-02 20:46:22,690 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-11-02 20:46:22,691 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-11-02 20:46:22,692 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-11-02 20:46:22,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-11-02 20:46:22,692 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-02 20:46:22,692 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-02 20:46:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2022-11-02 20:46:22,698 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2022-11-02 20:46:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-02 20:46:22,698 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-02 20:46:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2022-11-02 20:46:22,698 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2022-11-02 20:46:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-02 20:46:22,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-02 20:46:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:46:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-02 20:46:22,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-02 20:46:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-11-02 20:46:22,699 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-11-02 20:46:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-02 20:46:22,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-02 20:46:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-02 20:46:22,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-02 20:46:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-02 20:46:22,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-02 20:46:22,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-02 20:46:22,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-02 20:46:22,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:46:22,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-02 20:46:22,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-02 20:46:22,700 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-02 20:46:22,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-02 20:46:22,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:46:22,700 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-11-02 20:46:22,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-11-02 20:46:22,701 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:46:22,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:46:22,701 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-02 20:46:22,701 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-02 20:46:22,701 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:46:22,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:46:22,701 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2022-11-02 20:46:22,701 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2022-11-02 20:46:22,702 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-02 20:46:22,702 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-02 20:46:22,702 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2022-11-02 20:46:22,702 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2022-11-02 20:46:22,702 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-11-02 20:46:22,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-11-02 20:46:22,702 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-02 20:46:22,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-02 20:46:22,702 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2022-11-02 20:46:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2022-11-02 20:46:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2022-11-02 20:46:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2022-11-02 20:46:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-02 20:46:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-02 20:46:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2022-11-02 20:46:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2022-11-02 20:46:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 20:46:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 20:46:22,704 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-02 20:46:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-02 20:46:22,704 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2022-11-02 20:46:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2022-11-02 20:46:22,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-02 20:46:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-02 20:46:22,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-11-02 20:46:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-11-02 20:46:22,704 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2022-11-02 20:46:22,705 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2022-11-02 20:46:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-02 20:46:22,705 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-02 20:46:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2022-11-02 20:46:22,705 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2022-11-02 20:46:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-11-02 20:46:22,705 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-11-02 20:46:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2022-11-02 20:46:22,705 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2022-11-02 20:46:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2022-11-02 20:46:22,706 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2022-11-02 20:46:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-11-02 20:46:22,706 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-11-02 20:46:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:46:22,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:46:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2022-11-02 20:46:22,709 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2022-11-02 20:46:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:46:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:46:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:46:22,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:46:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-02 20:46:22,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-02 20:46:22,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-02 20:46:22,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-02 20:46:22,710 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-11-02 20:46:22,710 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-11-02 20:46:22,710 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-02 20:46:22,710 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-02 20:46:22,710 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-02 20:46:22,710 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-02 20:46:22,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-02 20:46:22,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-02 20:46:22,711 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-02 20:46:22,711 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-02 20:46:22,711 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-02 20:46:22,711 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-02 20:46:22,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:46:22,711 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-02 20:46:22,711 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-02 20:46:22,711 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-02 20:46:22,711 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-02 20:46:22,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:46:22,712 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2022-11-02 20:46:22,712 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2022-11-02 20:46:22,712 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2022-11-02 20:46:22,712 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2022-11-02 20:46:22,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_81 [2022-11-02 20:46:22,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_81 [2022-11-02 20:46:22,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:46:22,712 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-02 20:46:22,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-02 20:46:22,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-02 20:46:22,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-02 20:46:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-02 20:46:22,718 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-02 20:46:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-02 20:46:22,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-02 20:46:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-02 20:46:22,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-02 20:46:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_108 [2022-11-02 20:46:22,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_108 [2022-11-02 20:46:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-02 20:46:22,719 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-02 20:46:22,719 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2022-11-02 20:46:22,720 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2022-11-02 20:46:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_89 [2022-11-02 20:46:22,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_89 [2022-11-02 20:46:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2022-11-02 20:46:22,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2022-11-02 20:46:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2022-11-02 20:46:22,721 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2022-11-02 20:46:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-02 20:46:22,721 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-02 20:46:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-02 20:46:22,721 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-02 20:46:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2022-11-02 20:46:22,721 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2022-11-02 20:46:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-02 20:46:22,722 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-02 20:46:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-02 20:46:22,722 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-02 20:46:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-02 20:46:22,722 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-02 20:46:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-02 20:46:22,722 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-02 20:46:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2022-11-02 20:46:22,722 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2022-11-02 20:46:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:46:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2022-11-02 20:46:22,723 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2022-11-02 20:46:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-02 20:46:22,723 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-02 20:46:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-02 20:46:22,723 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-02 20:46:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:46:22,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:46:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2022-11-02 20:46:22,723 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2022-11-02 20:46:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2022-11-02 20:46:22,724 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2022-11-02 20:46:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-02 20:46:22,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-02 20:46:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_109 [2022-11-02 20:46:22,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_109 [2022-11-02 20:46:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_94 [2022-11-02 20:46:22,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_94 [2022-11-02 20:46:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2022-11-02 20:46:22,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2022-11-02 20:46:22,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_90 [2022-11-02 20:46:22,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_90 [2022-11-02 20:46:22,725 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-02 20:46:22,725 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-02 20:46:22,725 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2022-11-02 20:46:22,725 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2022-11-02 20:46:22,725 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2022-11-02 20:46:22,725 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2022-11-02 20:46:22,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-02 20:46:22,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-02 20:46:22,725 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-02 20:46:22,726 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-02 20:46:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-02 20:46:22,726 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-02 20:46:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-02 20:46:22,726 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-02 20:46:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2022-11-02 20:46:22,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2022-11-02 20:46:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 20:46:22,726 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 20:46:22,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:46:22,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-02 20:46:22,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-02 20:46:22,727 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-02 20:46:22,727 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-02 20:46:24,009 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:46:24,013 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:46:25,743 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:46:32,860 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-02 20:46:32,983 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:46:33,013 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:46:33,013 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:46:33,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:46:33 BoogieIcfgContainer [2022-11-02 20:46:33,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:46:33,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:46:33,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:46:33,026 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:46:33,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:46:16" (1/3) ... [2022-11-02 20:46:33,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77811b0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:46:33, skipping insertion in model container [2022-11-02 20:46:33,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:21" (2/3) ... [2022-11-02 20:46:33,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77811b0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:46:33, skipping insertion in model container [2022-11-02 20:46:33,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:46:33" (3/3) ... [2022-11-02 20:46:33,029 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-11-02 20:46:33,049 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:46:33,050 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-02 20:46:33,299 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:46:33,306 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;@16c0dca0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:46:33,307 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-02 20:46:33,324 INFO L276 IsEmpty]: Start isEmpty. Operand has 3105 states, 2150 states have (on average 1.34) internal successors, (2881), 2221 states have internal predecessors, (2881), 801 states have call successors, (801), 152 states have call predecessors, (801), 151 states have return successors, (792), 777 states have call predecessors, (792), 792 states have call successors, (792) [2022-11-02 20:46:33,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-11-02 20:46:33,361 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:46:33,362 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:46:33,365 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 20:46:33,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:33,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1438847336, now seen corresponding path program 1 times [2022-11-02 20:46:33,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:33,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279419634] [2022-11-02 20:46:33,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:33,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:34,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:46:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:34,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:34,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:46:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:34,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:34,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:46:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:34,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:34,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:46:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:34,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:34,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:46:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:34,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:34,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:46:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:34,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:34,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:46:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:34,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:34,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:46:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:34,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:34,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:46:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:34,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:34,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:46:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:34,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:34,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:46:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:35,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:35,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:35,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:46:35,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:35,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:35,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:46:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:35,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:35,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:46:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:35,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:35,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:46:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:35,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:35,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:46:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:35,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:35,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:46:35,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:35,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:35,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-02 20:46:35,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:35,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-02 20:46:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:35,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2022-11-02 20:46:35,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:46:35,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279419634] [2022-11-02 20:46:35,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279419634] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:46:35,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:46:35,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:46:35,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976416197] [2022-11-02 20:46:35,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:46:35,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:46:35,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:46:35,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:46:35,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:46:35,294 INFO L87 Difference]: Start difference. First operand has 3105 states, 2150 states have (on average 1.34) internal successors, (2881), 2221 states have internal predecessors, (2881), 801 states have call successors, (801), 152 states have call predecessors, (801), 151 states have return successors, (792), 777 states have call predecessors, (792), 792 states have call successors, (792) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-02 20:46:44,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:46:44,560 INFO L93 Difference]: Finished difference Result 9165 states and 13750 transitions. [2022-11-02 20:46:44,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:46:44,563 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 215 [2022-11-02 20:46:44,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:46:44,642 INFO L225 Difference]: With dead ends: 9165 [2022-11-02 20:46:44,642 INFO L226 Difference]: Without dead ends: 6086 [2022-11-02 20:46:44,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 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 20:46:44,683 INFO L413 NwaCegarLoop]: 4757 mSDtfsCounter, 4955 mSDsluCounter, 4903 mSDsCounter, 0 mSdLazyCounter, 3188 mSolverCounterSat, 2189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5659 SdHoareTripleChecker+Valid, 9660 SdHoareTripleChecker+Invalid, 5377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2189 IncrementalHoareTripleChecker+Valid, 3188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:46:44,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5659 Valid, 9660 Invalid, 5377 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2189 Valid, 3188 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2022-11-02 20:46:44,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6086 states. [2022-11-02 20:46:45,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6086 to 6023. [2022-11-02 20:46:45,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6023 states, 4197 states have (on average 1.3354777221825114) internal successors, (5605), 4338 states have internal predecessors, (5605), 1525 states have call successors, (1525), 299 states have call predecessors, (1525), 298 states have return successors, (1521), 1491 states have call predecessors, (1521), 1521 states have call successors, (1521) [2022-11-02 20:46:45,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6023 states to 6023 states and 8651 transitions. [2022-11-02 20:46:45,252 INFO L78 Accepts]: Start accepts. Automaton has 6023 states and 8651 transitions. Word has length 215 [2022-11-02 20:46:45,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:46:45,254 INFO L495 AbstractCegarLoop]: Abstraction has 6023 states and 8651 transitions. [2022-11-02 20:46:45,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-02 20:46:45,255 INFO L276 IsEmpty]: Start isEmpty. Operand 6023 states and 8651 transitions. [2022-11-02 20:46:45,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-11-02 20:46:45,265 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:46:45,265 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:46:45,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:46:45,266 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 20:46:45,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:45,267 INFO L85 PathProgramCache]: Analyzing trace with hash 895765712, now seen corresponding path program 1 times [2022-11-02 20:46:45,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:45,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995994775] [2022-11-02 20:46:45,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:45,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:45,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:46:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:46:46,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:46:46,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:46:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:46:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:46,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:46:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:46:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:46:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:46:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:46:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:46:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:46:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:46:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:46,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:46:46,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:46:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:46,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:46:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:46:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-02 20:46:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-02 20:46:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-02 20:46:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:46,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2022-11-02 20:46:46,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:46:46,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995994775] [2022-11-02 20:46:46,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995994775] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:46:46,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:46:46,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:46:46,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282878855] [2022-11-02 20:46:46,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:46:46,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:46:46,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:46:46,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:46:46,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:46:46,559 INFO L87 Difference]: Start difference. First operand 6023 states and 8651 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 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 20:46:55,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:46:55,152 INFO L93 Difference]: Finished difference Result 17779 states and 25764 transitions. [2022-11-02 20:46:55,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:46:55,153 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 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 224 [2022-11-02 20:46:55,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:46:55,234 INFO L225 Difference]: With dead ends: 17779 [2022-11-02 20:46:55,234 INFO L226 Difference]: Without dead ends: 11795 [2022-11-02 20:46:55,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 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 20:46:55,271 INFO L413 NwaCegarLoop]: 4795 mSDtfsCounter, 4855 mSDsluCounter, 4973 mSDsCounter, 0 mSdLazyCounter, 3104 mSolverCounterSat, 2259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5498 SdHoareTripleChecker+Valid, 9768 SdHoareTripleChecker+Invalid, 5363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2259 IncrementalHoareTripleChecker+Valid, 3104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:46:55,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5498 Valid, 9768 Invalid, 5363 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2259 Valid, 3104 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-11-02 20:46:55,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11795 states. [2022-11-02 20:46:55,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11795 to 11658. [2022-11-02 20:46:55,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11658 states, 8143 states have (on average 1.3336608129681935) internal successors, (10860), 8414 states have internal predecessors, (10860), 2920 states have call successors, (2920), 592 states have call predecessors, (2920), 592 states have return successors, (3039), 2845 states have call predecessors, (3039), 2916 states have call successors, (3039) [2022-11-02 20:46:55,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11658 states to 11658 states and 16819 transitions. [2022-11-02 20:46:55,938 INFO L78 Accepts]: Start accepts. Automaton has 11658 states and 16819 transitions. Word has length 224 [2022-11-02 20:46:55,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:46:55,940 INFO L495 AbstractCegarLoop]: Abstraction has 11658 states and 16819 transitions. [2022-11-02 20:46:55,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 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 20:46:55,941 INFO L276 IsEmpty]: Start isEmpty. Operand 11658 states and 16819 transitions. [2022-11-02 20:46:55,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-11-02 20:46:55,949 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:46:55,950 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:46:55,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:46:55,950 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 20:46:55,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:55,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1464842093, now seen corresponding path program 1 times [2022-11-02 20:46:55,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:55,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517631802] [2022-11-02 20:46:55,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:55,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:46:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:46:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:46:56,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:46:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:46:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:46:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:46:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:56,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:46:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:46:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:46:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:46:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:46:56,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:56,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:46:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:56,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:46:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:46:56,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:56,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:46:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:46:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:46:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-02 20:46:56,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-02 20:46:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-02 20:46:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-02 20:46:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:46:56,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2022-11-02 20:46:56,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:46:56,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517631802] [2022-11-02 20:46:56,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517631802] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:46:56,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:46:56,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:46:56,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747095510] [2022-11-02 20:46:56,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:46:56,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:46:56,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:46:56,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:46:56,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:46:56,958 INFO L87 Difference]: Start difference. First operand 11658 states and 16819 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, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-02 20:47:05,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:47:05,628 INFO L93 Difference]: Finished difference Result 30272 states and 43695 transitions. [2022-11-02 20:47:05,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:47:05,629 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, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 236 [2022-11-02 20:47:05,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:47:05,755 INFO L225 Difference]: With dead ends: 30272 [2022-11-02 20:47:05,755 INFO L226 Difference]: Without dead ends: 18653 [2022-11-02 20:47:05,812 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 20:47:05,813 INFO L413 NwaCegarLoop]: 5201 mSDtfsCounter, 4805 mSDsluCounter, 5252 mSDsCounter, 0 mSdLazyCounter, 3244 mSolverCounterSat, 2163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5494 SdHoareTripleChecker+Valid, 10453 SdHoareTripleChecker+Invalid, 5407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2163 IncrementalHoareTripleChecker+Valid, 3244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:47:05,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5494 Valid, 10453 Invalid, 5407 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2163 Valid, 3244 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2022-11-02 20:47:05,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18653 states. [2022-11-02 20:47:06,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18653 to 18434. [2022-11-02 20:47:06,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18434 states, 12821 states have (on average 1.3247796583729818) internal successors, (16985), 13248 states have internal predecessors, (16985), 4596 states have call successors, (4596), 1013 states have call predecessors, (4596), 1014 states have return successors, (4773), 4471 states have call predecessors, (4773), 4592 states have call successors, (4773) [2022-11-02 20:47:06,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18434 states to 18434 states and 26354 transitions. [2022-11-02 20:47:06,811 INFO L78 Accepts]: Start accepts. Automaton has 18434 states and 26354 transitions. Word has length 236 [2022-11-02 20:47:06,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:47:06,814 INFO L495 AbstractCegarLoop]: Abstraction has 18434 states and 26354 transitions. [2022-11-02 20:47:06,814 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, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-02 20:47:06,815 INFO L276 IsEmpty]: Start isEmpty. Operand 18434 states and 26354 transitions. [2022-11-02 20:47:06,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-11-02 20:47:06,822 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:47:06,822 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:47:06,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:47:06,823 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 20:47:06,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:47:06,824 INFO L85 PathProgramCache]: Analyzing trace with hash 835164612, now seen corresponding path program 1 times [2022-11-02 20:47:06,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:47:06,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241236800] [2022-11-02 20:47:06,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:47:06,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:47:06,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:47:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:47:07,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:07,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:47:07,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:47:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:47:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:47:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:07,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:47:07,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:47:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:47:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:07,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:47:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:07,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:47:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:47:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:47:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:47:07,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:47:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:47:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:47:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:07,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-02 20:47:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-02 20:47:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-02 20:47:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-11-02 20:47:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:07,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2022-11-02 20:47:07,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:47:07,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241236800] [2022-11-02 20:47:07,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241236800] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:47:07,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:47:07,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:47:07,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833380221] [2022-11-02 20:47:07,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:47:07,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:47:07,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:47:07,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:47:07,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:47:07,635 INFO L87 Difference]: Start difference. First operand 18434 states and 26354 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-02 20:47:16,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:47:16,012 INFO L93 Difference]: Finished difference Result 54282 states and 77873 transitions. [2022-11-02 20:47:16,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:47:16,013 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 237 [2022-11-02 20:47:16,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:47:16,218 INFO L225 Difference]: With dead ends: 54282 [2022-11-02 20:47:16,218 INFO L226 Difference]: Without dead ends: 35887 [2022-11-02 20:47:16,301 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 20:47:16,304 INFO L413 NwaCegarLoop]: 5623 mSDtfsCounter, 4498 mSDsluCounter, 5270 mSDsCounter, 0 mSdLazyCounter, 3303 mSolverCounterSat, 2017 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5179 SdHoareTripleChecker+Valid, 10893 SdHoareTripleChecker+Invalid, 5320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2017 IncrementalHoareTripleChecker+Valid, 3303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:47:16,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5179 Valid, 10893 Invalid, 5320 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2017 Valid, 3303 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-11-02 20:47:16,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35887 states. [2022-11-02 20:47:18,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35887 to 35472. [2022-11-02 20:47:18,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35472 states, 24620 states have (on average 1.323842404549147) internal successors, (32593), 25466 states have internal predecessors, (32593), 8858 states have call successors, (8858), 1992 states have call predecessors, (8858), 1991 states have return successors, (9134), 8605 states have call predecessors, (9134), 8854 states have call successors, (9134) [2022-11-02 20:47:18,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35472 states to 35472 states and 50585 transitions. [2022-11-02 20:47:18,387 INFO L78 Accepts]: Start accepts. Automaton has 35472 states and 50585 transitions. Word has length 237 [2022-11-02 20:47:18,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:47:18,389 INFO L495 AbstractCegarLoop]: Abstraction has 35472 states and 50585 transitions. [2022-11-02 20:47:18,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-02 20:47:18,390 INFO L276 IsEmpty]: Start isEmpty. Operand 35472 states and 50585 transitions. [2022-11-02 20:47:18,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-11-02 20:47:18,395 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:47:18,395 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 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] [2022-11-02 20:47:18,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:47:18,396 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 20:47:18,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:47:18,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1650694640, now seen corresponding path program 1 times [2022-11-02 20:47:18,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:47:18,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379014100] [2022-11-02 20:47:18,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:47:18,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:47:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:18,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:47:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:18,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:18,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:18,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:47:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:18,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:18,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:47:18,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:18,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:18,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:47:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:18,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:18,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:47:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:18,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:18,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:47:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:18,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:18,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:47:18,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:18,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:18,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:47:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:18,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:18,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:47:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:18,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:18,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:18,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:47:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:18,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:18,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:47:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:18,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:18,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:47:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:18,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:47:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:47:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:47:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:47:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:47:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-02 20:47:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-02 20:47:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:47:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:47:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-02 20:47:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:19,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1279 trivial. 0 not checked. [2022-11-02 20:47:19,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:47:19,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379014100] [2022-11-02 20:47:19,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379014100] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:47:19,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:47:19,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:47:19,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519427760] [2022-11-02 20:47:19,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:47:19,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:47:19,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:47:19,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:47:19,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:47:19,141 INFO L87 Difference]: Start difference. First operand 35472 states and 50585 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-02 20:47:28,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:47:28,048 INFO L93 Difference]: Finished difference Result 93870 states and 133704 transitions. [2022-11-02 20:47:28,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:47:28,048 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 238 [2022-11-02 20:47:28,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:47:28,382 INFO L225 Difference]: With dead ends: 93870 [2022-11-02 20:47:28,382 INFO L226 Difference]: Without dead ends: 58437 [2022-11-02 20:47:28,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 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 20:47:28,530 INFO L413 NwaCegarLoop]: 4696 mSDtfsCounter, 4536 mSDsluCounter, 4839 mSDsCounter, 0 mSdLazyCounter, 3183 mSolverCounterSat, 2172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5191 SdHoareTripleChecker+Valid, 9535 SdHoareTripleChecker+Invalid, 5355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2172 IncrementalHoareTripleChecker+Valid, 3183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:47:28,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5191 Valid, 9535 Invalid, 5355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2172 Valid, 3183 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2022-11-02 20:47:28,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58437 states. [2022-11-02 20:47:31,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58437 to 57712. [2022-11-02 20:47:31,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57712 states, 39860 states have (on average 1.3190918213748117) internal successors, (52579), 41188 states have internal predecessors, (52579), 14328 states have call successors, (14328), 3534 states have call predecessors, (14328), 3521 states have return successors, (14806), 13889 states have call predecessors, (14806), 14324 states have call successors, (14806) [2022-11-02 20:47:32,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57712 states to 57712 states and 81713 transitions. [2022-11-02 20:47:32,313 INFO L78 Accepts]: Start accepts. Automaton has 57712 states and 81713 transitions. Word has length 238 [2022-11-02 20:47:32,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:47:32,321 INFO L495 AbstractCegarLoop]: Abstraction has 57712 states and 81713 transitions. [2022-11-02 20:47:32,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-02 20:47:32,322 INFO L276 IsEmpty]: Start isEmpty. Operand 57712 states and 81713 transitions. [2022-11-02 20:47:32,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-11-02 20:47:32,332 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:47:32,332 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:47:32,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:47:32,334 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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 20:47:32,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:47:32,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1408952538, now seen corresponding path program 1 times [2022-11-02 20:47:32,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:47:32,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669027618] [2022-11-02 20:47:32,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:47:32,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:47:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:32,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:47:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:32,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:32,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:47:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:32,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:32,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:47:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:47:33,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:33,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:47:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:47:33,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:33,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:47:33,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:47:33,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:47:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:33,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:47:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:47:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:47:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:33,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:47:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:47:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:47:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:33,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:47:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:33,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:47:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:33,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-02 20:47:33,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-02 20:47:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-02 20:47:33,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-02 20:47:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-02 20:47:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-02 20:47:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:33,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2022-11-02 20:47:33,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:47:33,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669027618] [2022-11-02 20:47:33,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669027618] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:47:33,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:47:33,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:47:33,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528467679] [2022-11-02 20:47:33,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:47:33,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:47:33,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:47:33,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:47:33,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:47:33,411 INFO L87 Difference]: Start difference. First operand 57712 states and 81713 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-02 20:47:44,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:47:44,335 INFO L93 Difference]: Finished difference Result 164084 states and 232727 transitions. [2022-11-02 20:47:44,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:47:44,336 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 262 [2022-11-02 20:47:44,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:47:45,169 INFO L225 Difference]: With dead ends: 164084 [2022-11-02 20:47:45,169 INFO L226 Difference]: Without dead ends: 106411 [2022-11-02 20:47:45,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 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 20:47:45,398 INFO L413 NwaCegarLoop]: 5262 mSDtfsCounter, 4828 mSDsluCounter, 5218 mSDsCounter, 0 mSdLazyCounter, 3226 mSolverCounterSat, 2132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5531 SdHoareTripleChecker+Valid, 10480 SdHoareTripleChecker+Invalid, 5358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2132 IncrementalHoareTripleChecker+Valid, 3226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:47:45,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5531 Valid, 10480 Invalid, 5358 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2132 Valid, 3226 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2022-11-02 20:47:45,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106411 states. [2022-11-02 20:47:50,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106411 to 105093. [2022-11-02 20:47:50,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105093 states, 72582 states have (on average 1.318329613402772) internal successors, (95687), 75036 states have internal predecessors, (95687), 25962 states have call successors, (25962), 6567 states have call predecessors, (25962), 6546 states have return successors, (26798), 25136 states have call predecessors, (26798), 25958 states have call successors, (26798) [2022-11-02 20:47:51,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105093 states to 105093 states and 148447 transitions. [2022-11-02 20:47:51,281 INFO L78 Accepts]: Start accepts. Automaton has 105093 states and 148447 transitions. Word has length 262 [2022-11-02 20:47:51,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:47:51,282 INFO L495 AbstractCegarLoop]: Abstraction has 105093 states and 148447 transitions. [2022-11-02 20:47:51,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-02 20:47:51,282 INFO L276 IsEmpty]: Start isEmpty. Operand 105093 states and 148447 transitions. [2022-11-02 20:47:51,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-11-02 20:47:51,289 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:47:51,289 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 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, 1, 1, 1, 1] [2022-11-02 20:47:51,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:47:51,289 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 20:47:51,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:47:51,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1277109395, now seen corresponding path program 1 times [2022-11-02 20:47:51,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:47:51,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454552036] [2022-11-02 20:47:51,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:47:51,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:47:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:51,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:47:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:51,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:51,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:47:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:51,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:51,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:47:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:47:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:47:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:47:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:47:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:52,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:47:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:47:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:47:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:52,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:47:52,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:52,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:47:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:47:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:47:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:52,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:47:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:47:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:52,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:47:52,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-02 20:47:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-02 20:47:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 20:47:52,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-02 20:47:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-11-02 20:47:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:47:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-02 20:47:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-11-02 20:47:52,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-11-02 20:47:52,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1480 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1470 trivial. 0 not checked. [2022-11-02 20:47:52,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:47:52,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454552036] [2022-11-02 20:47:52,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454552036] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:47:52,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:47:52,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:47:52,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671215146] [2022-11-02 20:47:52,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:47:52,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:47:52,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:47:52,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:47:52,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:47:52,498 INFO L87 Difference]: Start difference. First operand 105093 states and 148447 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-02 20:48:05,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:48:05,765 INFO L93 Difference]: Finished difference Result 281083 states and 399100 transitions. [2022-11-02 20:48:05,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:48:05,765 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 278 [2022-11-02 20:48:05,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:48:06,947 INFO L225 Difference]: With dead ends: 281083 [2022-11-02 20:48:06,947 INFO L226 Difference]: Without dead ends: 176148 [2022-11-02 20:48:07,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 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 20:48:07,285 INFO L413 NwaCegarLoop]: 7240 mSDtfsCounter, 4433 mSDsluCounter, 6445 mSDsCounter, 0 mSdLazyCounter, 3194 mSolverCounterSat, 1622 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5131 SdHoareTripleChecker+Valid, 13685 SdHoareTripleChecker+Invalid, 4816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1622 IncrementalHoareTripleChecker+Valid, 3194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:48:07,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5131 Valid, 13685 Invalid, 4816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1622 Valid, 3194 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-11-02 20:48:07,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176148 states. [2022-11-02 20:48:14,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176148 to 174300. [2022-11-02 20:48:14,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174300 states, 120402 states have (on average 1.3184332486171326) internal successors, (158742), 124529 states have internal predecessors, (158742), 43368 states have call successors, (43368), 10578 states have call predecessors, (43368), 10527 states have return successors, (44832), 42046 states have call predecessors, (44832), 43364 states have call successors, (44832)