./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a4c897-08ba-42cb-b292-2c8b07071674/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a4c897-08ba-42cb-b292-2c8b07071674/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a4c897-08ba-42cb-b292-2c8b07071674/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a4c897-08ba-42cb-b292-2c8b07071674/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a4c897-08ba-42cb-b292-2c8b07071674/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a4c897-08ba-42cb-b292-2c8b07071674/bin/uautomizer-J5u9QxTXDZ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3d612e3d3aaa54cbaaae78896c02f6ca9c3968df93584b0bde88897a60cfa04a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:50:38,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:50:38,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:50:38,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:50:38,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:50:38,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:50:38,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:50:38,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:50:38,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:50:38,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:50:38,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:50:38,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:50:38,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:50:38,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:50:38,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:50:38,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:50:38,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:50:38,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:50:38,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:50:38,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:50:38,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:50:38,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:50:38,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:50:38,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:50:38,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:50:38,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:50:38,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:50:38,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:50:38,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:50:38,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:50:38,828 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:50:38,829 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:50:38,830 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:50:38,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:50:38,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:50:38,833 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:50:38,834 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:50:38,834 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:50:38,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:50:38,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:50:38,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:50:38,839 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a4c897-08ba-42cb-b292-2c8b07071674/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:50:38,897 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:50:38,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:50:38,906 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:50:38,907 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:50:38,908 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:50:38,908 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:50:38,909 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:50:38,909 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:50:38,909 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:50:38,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:50:38,911 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:50:38,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:50:38,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:50:38,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:50:38,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:50:38,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:50:38,912 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:50:38,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:50:38,913 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:50:38,913 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:50:38,913 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:50:38,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:50:38,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:50:38,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:50:38,914 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:50:38,914 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:50:38,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:50:38,915 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:50:38,915 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:50:38,915 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:50:38,915 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_54a4c897-08ba-42cb-b292-2c8b07071674/bin/uautomizer-J5u9QxTXDZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a4c897-08ba-42cb-b292-2c8b07071674/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d612e3d3aaa54cbaaae78896c02f6ca9c3968df93584b0bde88897a60cfa04a [2022-10-17 10:50:39,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:50:39,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:50:39,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:50:39,184 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:50:39,185 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:50:39,187 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a4c897-08ba-42cb-b292-2c8b07071674/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i [2022-10-17 10:50:39,252 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a4c897-08ba-42cb-b292-2c8b07071674/bin/uautomizer-J5u9QxTXDZ/data/098d8e6b2/4264f5ce619f4bf1bf3c4f3bfd866f88/FLAG83e63909f [2022-10-17 10:50:40,147 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:50:40,147 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a4c897-08ba-42cb-b292-2c8b07071674/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i [2022-10-17 10:50:40,204 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a4c897-08ba-42cb-b292-2c8b07071674/bin/uautomizer-J5u9QxTXDZ/data/098d8e6b2/4264f5ce619f4bf1bf3c4f3bfd866f88/FLAG83e63909f [2022-10-17 10:50:40,567 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a4c897-08ba-42cb-b292-2c8b07071674/bin/uautomizer-J5u9QxTXDZ/data/098d8e6b2/4264f5ce619f4bf1bf3c4f3bfd866f88 [2022-10-17 10:50:40,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:50:40,571 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:50:40,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:50:40,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:50:40,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:50:40,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:50:40" (1/1) ... [2022-10-17 10:50:40,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411a949c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:40, skipping insertion in model container [2022-10-17 10:50:40,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:50:40" (1/1) ... [2022-10-17 10:50:40,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:50:40,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:50:43,840 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_54a4c897-08ba-42cb-b292-2c8b07071674/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319618,319631] [2022-10-17 10:50:43,849 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_54a4c897-08ba-42cb-b292-2c8b07071674/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319787,319800] [2022-10-17 10:50:43,850 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_54a4c897-08ba-42cb-b292-2c8b07071674/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319954,319967] [2022-10-17 10:50:43,851 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_54a4c897-08ba-42cb-b292-2c8b07071674/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[320122,320135] [2022-10-17 10:50:43,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:50:43,939 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:50:44,327 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_54a4c897-08ba-42cb-b292-2c8b07071674/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319618,319631] [2022-10-17 10:50:44,328 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_54a4c897-08ba-42cb-b292-2c8b07071674/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319787,319800] [2022-10-17 10:50:44,329 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_54a4c897-08ba-42cb-b292-2c8b07071674/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319954,319967] [2022-10-17 10:50:44,329 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_54a4c897-08ba-42cb-b292-2c8b07071674/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[320122,320135] [2022-10-17 10:50:44,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:50:44,605 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:50:44,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:44 WrapperNode [2022-10-17 10:50:44,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:50:44,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:50:44,608 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:50:44,608 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:50:44,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:44" (1/1) ... [2022-10-17 10:50:44,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:44" (1/1) ... [2022-10-17 10:50:44,987 INFO L138 Inliner]: procedures = 434, calls = 1806, calls flagged for inlining = 214, calls inlined = 197, statements flattened = 4338 [2022-10-17 10:50:44,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:50:44,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:50:44,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:50:44,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:50:45,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:44" (1/1) ... [2022-10-17 10:50:45,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:44" (1/1) ... [2022-10-17 10:50:45,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:44" (1/1) ... [2022-10-17 10:50:45,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:44" (1/1) ... [2022-10-17 10:50:45,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:44" (1/1) ... [2022-10-17 10:50:45,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:44" (1/1) ... [2022-10-17 10:50:45,352 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:44" (1/1) ... [2022-10-17 10:50:45,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:44" (1/1) ... [2022-10-17 10:50:45,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:50:45,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:50:45,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:50:45,444 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:50:45,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:44" (1/1) ... [2022-10-17 10:50:45,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:50:45,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a4c897-08ba-42cb-b292-2c8b07071674/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:50:45,483 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a4c897-08ba-42cb-b292-2c8b07071674/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:50:45,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a4c897-08ba-42cb-b292-2c8b07071674/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:50:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure getlinkstatus [2022-10-17 10:50:45,544 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinkstatus [2022-10-17 10:50:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-10-17 10:50:45,544 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-10-17 10:50:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-10-17 10:50:45,545 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-10-17 10:50:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:50:45,545 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:50:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-10-17 10:50:45,545 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-10-17 10:50:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-17 10:50:45,546 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-17 10:50:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:50:45,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:50:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-17 10:50:45,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-17 10:50:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-17 10:50:45,547 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-17 10:50:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_79 [2022-10-17 10:50:45,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_79 [2022-10-17 10:50:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_67 [2022-10-17 10:50:45,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_67 [2022-10-17 10:50:45,548 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-10-17 10:50:45,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-10-17 10:50:45,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 10:50:45,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-17 10:50:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-10-17 10:50:45,549 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-10-17 10:50:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-10-17 10:50:45,549 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-10-17 10:50:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_tx_timeout [2022-10-17 10:50:45,549 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_tx_timeout [2022-10-17 10:50:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-10-17 10:50:45,550 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-10-17 10:50:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:50:45,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:50:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 10:50:45,551 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 10:50:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2022-10-17 10:50:45,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2022-10-17 10:50:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure getlinktype [2022-10-17 10:50:45,551 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinktype [2022-10-17 10:50:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-10-17 10:50:45,552 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-10-17 10:50:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:50:45,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-10-17 10:50:45,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-10-17 10:50:45,553 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 10:50:45,553 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 10:50:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:50:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rx_descriptors [2022-10-17 10:50:45,555 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rx_descriptors [2022-10-17 10:50:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-17 10:50:45,556 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-17 10:50:45,557 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_remove_one [2022-10-17 10:50:45,557 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_remove_one [2022-10-17 10:50:45,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:50:45,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-17 10:50:45,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-17 10:50:45,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:50:45,559 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-10-17 10:50:45,559 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-10-17 10:50:45,559 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-17 10:50:45,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-17 10:50:45,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-10-17 10:50:45,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-10-17 10:50:45,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-17 10:50:45,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-17 10:50:45,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-17 10:50:45,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-17 10:50:45,562 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-10-17 10:50:45,562 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-10-17 10:50:45,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-10-17 10:50:45,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-10-17 10:50:45,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:50:45,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-10-17 10:50:45,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-10-17 10:50:45,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-17 10:50:45,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-17 10:50:45,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:50:45,563 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2022-10-17 10:50:45,564 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2022-10-17 10:50:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 10:50:45,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 10:50:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-17 10:50:45,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-17 10:50:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:50:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:50:45,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:50:45,567 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:50:45,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:50:45,567 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-10-17 10:50:45,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-10-17 10:50:45,567 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-10-17 10:50:45,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-10-17 10:50:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 10:50:45,568 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 10:50:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-17 10:50:45,568 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-17 10:50:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-17 10:50:45,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-17 10:50:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rx [2022-10-17 10:50:45,569 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rx [2022-10-17 10:50:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-10-17 10:50:45,569 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-10-17 10:50:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:50:45,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:50:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:50:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:50:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:50:45,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:50:45,572 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2022-10-17 10:50:45,573 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2022-10-17 10:50:45,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-17 10:50:45,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-17 10:50:45,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-10-17 10:50:45,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-10-17 10:50:45,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2022-10-17 10:50:45,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2022-10-17 10:50:45,579 INFO L130 BoogieDeclarations]: Found specification of procedure enable_rxtx [2022-10-17 10:50:45,579 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_rxtx [2022-10-17 10:50:45,580 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-10-17 10:50:45,586 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-10-17 10:50:45,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 10:50:45,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 10:50:45,586 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-17 10:50:45,587 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-17 10:50:45,587 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-10-17 10:50:45,587 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-10-17 10:50:45,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_78 [2022-10-17 10:50:45,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_78 [2022-10-17 10:50:45,587 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-17 10:50:45,587 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-17 10:50:45,588 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-10-17 10:50:45,588 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-10-17 10:50:45,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:50:45,588 INFO L130 BoogieDeclarations]: Found specification of procedure reset_and_disable_rxtx [2022-10-17 10:50:45,588 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_and_disable_rxtx [2022-10-17 10:50:45,588 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-10-17 10:50:45,588 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-10-17 10:50:45,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:50:45,589 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-10-17 10:50:45,589 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-10-17 10:50:45,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:50:45,589 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-17 10:50:45,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-17 10:50:45,590 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 10:50:45,590 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 10:50:45,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2022-10-17 10:50:45,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2022-10-17 10:50:45,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-17 10:50:45,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-17 10:50:45,590 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2022-10-17 10:50:45,591 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2022-10-17 10:50:45,591 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-17 10:50:45,591 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-17 10:50:45,591 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-17 10:50:45,591 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-17 10:50:45,591 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-10-17 10:50:45,591 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-10-17 10:50:45,592 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rxtx [2022-10-17 10:50:45,592 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rxtx [2022-10-17 10:50:45,592 INFO L130 BoogieDeclarations]: Found specification of procedure m80x_send_cmd_to_phy [2022-10-17 10:50:45,592 INFO L138 BoogieDeclarations]: Found implementation of procedure m80x_send_cmd_to_phy [2022-10-17 10:50:45,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:50:45,592 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffers [2022-10-17 10:50:45,593 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffers [2022-10-17 10:50:45,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:50:45,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:50:45,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-17 10:50:45,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-17 10:50:45,593 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-10-17 10:50:45,593 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-10-17 10:50:45,594 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-10-17 10:50:45,594 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-10-17 10:50:45,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:50:45,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-17 10:50:45,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-17 10:50:45,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2022-10-17 10:50:45,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2022-10-17 10:50:46,411 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:50:46,415 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:50:47,352 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:50:50,092 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-17 10:50:50,176 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:50:50,198 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:50:50,198 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:50:50,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:50:50 BoogieIcfgContainer [2022-10-17 10:50:50,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:50:50,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:50:50,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:50:50,212 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:50:50,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:50:40" (1/3) ... [2022-10-17 10:50:50,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d49bd23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:50:50, skipping insertion in model container [2022-10-17 10:50:50,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:50:44" (2/3) ... [2022-10-17 10:50:50,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d49bd23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:50:50, skipping insertion in model container [2022-10-17 10:50:50,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:50:50" (3/3) ... [2022-10-17 10:50:50,216 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i [2022-10-17 10:50:50,238 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:50:50,238 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-10-17 10:50:50,349 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:50:50,356 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;@1f32aea9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:50:50,356 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-10-17 10:50:50,367 INFO L276 IsEmpty]: Start isEmpty. Operand has 1644 states, 1171 states have (on average 1.3330486763450042) internal successors, (1561), 1192 states have internal predecessors, (1561), 389 states have call successors, (389), 82 states have call predecessors, (389), 81 states have return successors, (383), 380 states have call predecessors, (383), 383 states have call successors, (383) [2022-10-17 10:50:50,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-17 10:50:50,390 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:50:50,391 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:50,391 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-10-17 10:50:50,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:50,396 INFO L85 PathProgramCache]: Analyzing trace with hash -726517349, now seen corresponding path program 1 times [2022-10-17 10:50:50,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:50,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644432853] [2022-10-17 10:50:50,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:50,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:51,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:50:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:51,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:51,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:51,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:50:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:51,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:51,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:50:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:51,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:51,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:50:51,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:51,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:51,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:50:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:51,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:51,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:50:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:51,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:51,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:50:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:51,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:51,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:50:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:51,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:51,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-17 10:50:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:51,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:51,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-17 10:50:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:51,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-17 10:50:51,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:51,624 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-10-17 10:50:51,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:50:51,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644432853] [2022-10-17 10:50:51,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644432853] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:50:51,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:50:51,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:50:51,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373208997] [2022-10-17 10:50:51,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:50:51,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:50:51,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:50:51,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:50:51,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:50:51,681 INFO L87 Difference]: Start difference. First operand has 1644 states, 1171 states have (on average 1.3330486763450042) internal successors, (1561), 1192 states have internal predecessors, (1561), 389 states have call successors, (389), 82 states have call predecessors, (389), 81 states have return successors, (383), 380 states have call predecessors, (383), 383 states have call successors, (383) Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-10-17 10:50:56,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:50:56,347 INFO L93 Difference]: Finished difference Result 4887 states and 7137 transitions. [2022-10-17 10:50:56,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:50:56,350 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 127 [2022-10-17 10:50:56,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:50:56,393 INFO L225 Difference]: With dead ends: 4887 [2022-10-17 10:50:56,393 INFO L226 Difference]: Without dead ends: 3256 [2022-10-17 10:50:56,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:50:56,413 INFO L413 NwaCegarLoop]: 2357 mSDtfsCounter, 3116 mSDsluCounter, 1980 mSDsCounter, 0 mSdLazyCounter, 1884 mSolverCounterSat, 1146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3458 SdHoareTripleChecker+Valid, 4337 SdHoareTripleChecker+Invalid, 3030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1146 IncrementalHoareTripleChecker+Valid, 1884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:50:56,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3458 Valid, 4337 Invalid, 3030 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1146 Valid, 1884 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-10-17 10:50:56,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3256 states. [2022-10-17 10:50:56,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3256 to 3156. [2022-10-17 10:50:56,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3156 states, 2271 states have (on average 1.2813738441215323) internal successors, (2910), 2312 states have internal predecessors, (2910), 724 states have call successors, (724), 159 states have call predecessors, (724), 158 states have return successors, (720), 714 states have call predecessors, (720), 720 states have call successors, (720) [2022-10-17 10:50:56,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3156 states to 3156 states and 4354 transitions. [2022-10-17 10:50:56,809 INFO L78 Accepts]: Start accepts. Automaton has 3156 states and 4354 transitions. Word has length 127 [2022-10-17 10:50:56,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:50:56,810 INFO L495 AbstractCegarLoop]: Abstraction has 3156 states and 4354 transitions. [2022-10-17 10:50:56,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-10-17 10:50:56,811 INFO L276 IsEmpty]: Start isEmpty. Operand 3156 states and 4354 transitions. [2022-10-17 10:50:56,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-17 10:50:56,820 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:50:56,821 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:56,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:50:56,821 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-10-17 10:50:56,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:56,822 INFO L85 PathProgramCache]: Analyzing trace with hash 178024828, now seen corresponding path program 1 times [2022-10-17 10:50:56,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:56,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783351615] [2022-10-17 10:50:56,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:56,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:57,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:50:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:57,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:57,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:50:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:57,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:57,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:57,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:50:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:57,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:57,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:50:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:57,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:57,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:50:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:57,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:57,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:50:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:57,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:57,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:50:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:57,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:57,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:50:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:57,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:57,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-17 10:50:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:57,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:57,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:57,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-17 10:50:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:57,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-17 10:50:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:57,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-17 10:50:57,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:57,355 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-10-17 10:50:57,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:50:57,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783351615] [2022-10-17 10:50:57,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783351615] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:50:57,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:50:57,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:50:57,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093818088] [2022-10-17 10:50:57,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:50:57,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:50:57,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:50:57,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:50:57,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:50:57,360 INFO L87 Difference]: Start difference. First operand 3156 states and 4354 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-10-17 10:51:01,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:51:01,525 INFO L93 Difference]: Finished difference Result 9118 states and 12601 transitions. [2022-10-17 10:51:01,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:51:01,526 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 129 [2022-10-17 10:51:01,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:51:01,591 INFO L225 Difference]: With dead ends: 9118 [2022-10-17 10:51:01,591 INFO L226 Difference]: Without dead ends: 5985 [2022-10-17 10:51:01,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:51:01,615 INFO L413 NwaCegarLoop]: 2371 mSDtfsCounter, 2835 mSDsluCounter, 2042 mSDsCounter, 0 mSdLazyCounter, 1783 mSolverCounterSat, 1137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3129 SdHoareTripleChecker+Valid, 4413 SdHoareTripleChecker+Invalid, 2920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1137 IncrementalHoareTripleChecker+Valid, 1783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-10-17 10:51:01,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3129 Valid, 4413 Invalid, 2920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1137 Valid, 1783 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-10-17 10:51:01,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5985 states. [2022-10-17 10:51:01,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5985 to 5787. [2022-10-17 10:51:02,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5787 states, 4162 states have (on average 1.2765497357039886) internal successors, (5313), 4242 states have internal predecessors, (5313), 1309 states have call successors, (1309), 308 states have call predecessors, (1309), 313 states have return successors, (1337), 1284 states have call predecessors, (1337), 1305 states have call successors, (1337) [2022-10-17 10:51:02,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5787 states to 5787 states and 7959 transitions. [2022-10-17 10:51:02,052 INFO L78 Accepts]: Start accepts. Automaton has 5787 states and 7959 transitions. Word has length 129 [2022-10-17 10:51:02,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:51:02,056 INFO L495 AbstractCegarLoop]: Abstraction has 5787 states and 7959 transitions. [2022-10-17 10:51:02,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-10-17 10:51:02,056 INFO L276 IsEmpty]: Start isEmpty. Operand 5787 states and 7959 transitions. [2022-10-17 10:51:02,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-17 10:51:02,067 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:51:02,067 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:51:02,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:51:02,069 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-10-17 10:51:02,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:51:02,069 INFO L85 PathProgramCache]: Analyzing trace with hash 996500562, now seen corresponding path program 1 times [2022-10-17 10:51:02,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:51:02,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876630007] [2022-10-17 10:51:02,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:51:02,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:51:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:51:02,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:51:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:51:02,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:51:02,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:51:02,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:51:02,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:51:02,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:51:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:51:02,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:51:02,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:51:02,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:51:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:51:02,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:51:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:51:02,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:51:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:51:02,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:51:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:51:02,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:51:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:51:02,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:51:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:51:02,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:51:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:51:02,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:51:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:51:02,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:51:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:51:02,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:51:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:51:02,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:51:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:51:02,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-17 10:51:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:51:02,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:51:02,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:51:02,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-17 10:51:02,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:51:02,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-17 10:51:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:51:02,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-10-17 10:51:02,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:51:02,554 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-10-17 10:51:02,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:51:02,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876630007] [2022-10-17 10:51:02,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876630007] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:51:02,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:51:02,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:51:02,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485229719] [2022-10-17 10:51:02,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:51:02,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:51:02,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:51:02,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:51:02,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:51:02,557 INFO L87 Difference]: Start difference. First operand 5787 states and 7959 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13)