./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-natsemi-ns83820.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_9f7d8094-d3ab-46fd-b442-995bb311bb2c/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7d8094-d3ab-46fd-b442-995bb311bb2c/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_9f7d8094-d3ab-46fd-b442-995bb311bb2c/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7d8094-d3ab-46fd-b442-995bb311bb2c/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-natsemi-ns83820.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7d8094-d3ab-46fd-b442-995bb311bb2c/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_9f7d8094-d3ab-46fd-b442-995bb311bb2c/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 a8ab8b9c7011aec39f84a1ecf826f202398208cb106ea4649e1adfd1ea4d4076 --- 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 10:31:04,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:31:04,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:31:04,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:31:04,046 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:31:04,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:31:04,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:31:04,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:31:04,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:31:04,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:31:04,057 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:31:04,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:31:04,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:31:04,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:31:04,062 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:31:04,064 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:31:04,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:31:04,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:31:04,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:31:04,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:31:04,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:31:04,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:31:04,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:31:04,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:31:04,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:31:04,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:31:04,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:31:04,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:31:04,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:31:04,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:31:04,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:31:04,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:31:04,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:31:04,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:31:04,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:31:04,104 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:31:04,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:31:04,106 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:31:04,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:31:04,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:31:04,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:31:04,110 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7d8094-d3ab-46fd-b442-995bb311bb2c/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:31:04,139 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:31:04,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:31:04,140 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:31:04,140 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:31:04,141 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:31:04,141 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:31:04,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:31:04,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:31:04,143 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:31:04,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:31:04,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:31:04,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:31:04,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:31:04,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:31:04,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:31:04,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:31:04,145 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:31:04,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:31:04,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:31:04,146 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:31:04,146 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:31:04,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:31:04,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:31:04,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:31:04,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:31:04,147 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:31:04,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:31:04,148 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:31:04,148 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:31:04,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:31:04,148 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_9f7d8094-d3ab-46fd-b442-995bb311bb2c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7d8094-d3ab-46fd-b442-995bb311bb2c/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8ab8b9c7011aec39f84a1ecf826f202398208cb106ea4649e1adfd1ea4d4076 [2022-10-17 10:31:04,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:31:04,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:31:04,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:31:04,484 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:31:04,485 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:31:04,487 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7d8094-d3ab-46fd-b442-995bb311bb2c/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i [2022-10-17 10:31:04,558 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7d8094-d3ab-46fd-b442-995bb311bb2c/bin/uautomizer-J5u9QxTXDZ/data/6cc18345f/aa6679f5e0894790bc6cd4ba2b61708f/FLAG0bf1569b4 [2022-10-17 10:31:05,533 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:31:05,534 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7d8094-d3ab-46fd-b442-995bb311bb2c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i [2022-10-17 10:31:05,601 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7d8094-d3ab-46fd-b442-995bb311bb2c/bin/uautomizer-J5u9QxTXDZ/data/6cc18345f/aa6679f5e0894790bc6cd4ba2b61708f/FLAG0bf1569b4 [2022-10-17 10:31:05,901 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7d8094-d3ab-46fd-b442-995bb311bb2c/bin/uautomizer-J5u9QxTXDZ/data/6cc18345f/aa6679f5e0894790bc6cd4ba2b61708f [2022-10-17 10:31:05,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:31:05,905 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:31:05,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:31:05,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:31:05,910 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:31:05,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:31:05" (1/1) ... [2022-10-17 10:31:05,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46f0269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:05, skipping insertion in model container [2022-10-17 10:31:05,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:31:05" (1/1) ... [2022-10-17 10:31:05,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:31:06,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:31:09,790 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_9f7d8094-d3ab-46fd-b442-995bb311bb2c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322443,322456] [2022-10-17 10:31:09,794 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_9f7d8094-d3ab-46fd-b442-995bb311bb2c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322612,322625] [2022-10-17 10:31:09,794 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_9f7d8094-d3ab-46fd-b442-995bb311bb2c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322779,322792] [2022-10-17 10:31:09,795 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_9f7d8094-d3ab-46fd-b442-995bb311bb2c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322947,322960] [2022-10-17 10:31:09,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:31:09,886 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:31:10,379 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_9f7d8094-d3ab-46fd-b442-995bb311bb2c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322443,322456] [2022-10-17 10:31:10,379 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_9f7d8094-d3ab-46fd-b442-995bb311bb2c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322612,322625] [2022-10-17 10:31:10,380 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_9f7d8094-d3ab-46fd-b442-995bb311bb2c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322779,322792] [2022-10-17 10:31:10,380 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_9f7d8094-d3ab-46fd-b442-995bb311bb2c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322947,322960] [2022-10-17 10:31:10,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:31:10,651 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:31:10,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:10 WrapperNode [2022-10-17 10:31:10,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:31:10,653 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:31:10,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:31:10,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:31:10,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:10" (1/1) ... [2022-10-17 10:31:10,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:10" (1/1) ... [2022-10-17 10:31:11,088 INFO L138 Inliner]: procedures = 459, calls = 1765, calls flagged for inlining = 217, calls inlined = 199, statements flattened = 4510 [2022-10-17 10:31:11,088 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:31:11,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:31:11,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:31:11,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:31:11,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:10" (1/1) ... [2022-10-17 10:31:11,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:10" (1/1) ... [2022-10-17 10:31:11,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:10" (1/1) ... [2022-10-17 10:31:11,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:10" (1/1) ... [2022-10-17 10:31:11,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:10" (1/1) ... [2022-10-17 10:31:11,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:10" (1/1) ... [2022-10-17 10:31:11,411 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:10" (1/1) ... [2022-10-17 10:31:11,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:10" (1/1) ... [2022-10-17 10:31:11,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:31:11,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:31:11,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:31:11,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:31:11,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:10" (1/1) ... [2022-10-17 10:31:11,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:31:11,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7d8094-d3ab-46fd-b442-995bb311bb2c/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:11,528 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7d8094-d3ab-46fd-b442-995bb311bb2c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:31:11,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7d8094-d3ab-46fd-b442-995bb311bb2c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:31:11,600 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_set_multicast [2022-10-17 10:31:11,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_set_multicast [2022-10-17 10:31:11,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:31:11,600 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:31:11,600 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_rx_kick [2022-10-17 10:31:11,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_rx_kick [2022-10-17 10:31:11,601 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-17 10:31:11,601 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-17 10:31:11,601 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_do_reset [2022-10-17 10:31:11,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_do_reset [2022-10-17 10:31:11,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2022-10-17 10:31:11,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2022-10-17 10:31:11,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:31:11,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:31:11,602 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-10-17 10:31:11,602 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-10-17 10:31:11,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-17 10:31:11,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-17 10:31:11,603 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-17 10:31:11,603 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-17 10:31:11,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_62 [2022-10-17 10:31:11,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_62 [2022-10-17 10:31:11,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_73 [2022-10-17 10:31:11,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_73 [2022-10-17 10:31:11,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2022-10-17 10:31:11,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2022-10-17 10:31:11,604 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_remove_one [2022-10-17 10:31:11,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_remove_one [2022-10-17 10:31:11,604 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 10:31:11,604 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 10:31:11,604 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_update_stats [2022-10-17 10:31:11,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_update_stats [2022-10-17 10:31:11,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 10:31:11,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-17 10:31:11,606 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-10-17 10:31:11,606 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-10-17 10:31:11,606 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-10-17 10:31:11,606 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-10-17 10:31:11,606 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-10-17 10:31:11,606 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-10-17 10:31:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:31:11,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:31:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 10:31:11,607 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 10:31:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-10-17 10:31:11,607 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-10-17 10:31:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:31:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-10-17 10:31:11,608 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-10-17 10:31:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 10:31:11,609 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 10:31:11,610 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 10:31:11,610 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 10:31:11,610 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_tx_timeout [2022-10-17 10:31:11,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_tx_timeout [2022-10-17 10:31:11,611 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-17 10:31:11,611 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-17 10:31:11,611 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-17 10:31:11,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-17 10:31:11,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-17 10:31:11,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-17 10:31:11,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:31:11,612 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-17 10:31:11,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-17 10:31:11,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-10-17 10:31:11,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-10-17 10:31:11,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-17 10:31:11,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-17 10:31:11,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-17 10:31:11,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-17 10:31:11,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-10-17 10:31:11,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-10-17 10:31:11,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-10-17 10:31:11,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-10-17 10:31:11,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-10-17 10:31:11,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-10-17 10:31:11,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-10-17 10:31:11,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-10-17 10:31:11,616 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_run_bist [2022-10-17 10:31:11,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_run_bist [2022-10-17 10:31:11,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:31:11,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-10-17 10:31:11,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-10-17 10:31:11,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-17 10:31:11,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-17 10:31:11,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-10-17 10:31:11,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-10-17 10:31:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:31:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 10:31:11,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 10:31:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:31:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure clear_rx_desc [2022-10-17 10:31:11,619 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_rx_desc [2022-10-17 10:31:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure phy_intr [2022-10-17 10:31:11,620 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_intr [2022-10-17 10:31:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:31:11,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:31:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-17 10:31:11,620 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-17 10:31:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:31:11,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:31:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-17 10:31:11,621 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-17 10:31:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-10-17 10:31:11,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-10-17 10:31:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-10-17 10:31:11,622 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-10-17 10:31:11,622 INFO L130 BoogieDeclarations]: Found specification of procedure do_tx_done [2022-10-17 10:31:11,622 INFO L138 BoogieDeclarations]: Found implementation of procedure do_tx_done [2022-10-17 10:31:11,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_misc_lock_of_ns83820 [2022-10-17 10:31:11,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_misc_lock_of_ns83820 [2022-10-17 10:31:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 10:31:11,624 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 10:31:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-17 10:31:11,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-17 10:31:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-10-17 10:31:11,628 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-10-17 10:31:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-10-17 10:31:11,629 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-10-17 10:31:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:31:11,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:31:11,630 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_stop [2022-10-17 10:31:11,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_stop [2022-10-17 10:31:11,635 INFO L130 BoogieDeclarations]: Found specification of procedure kick_tx [2022-10-17 10:31:11,635 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_tx [2022-10-17 10:31:11,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rx_info [2022-10-17 10:31:11,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rx_info [2022-10-17 10:31:11,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:31:11,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:31:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-10-17 10:31:11,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-10-17 10:31:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-17 10:31:11,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-17 10:31:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-10-17 10:31:11,636 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-10-17 10:31:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-10-17 10:31:11,636 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-10-17 10:31:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-10-17 10:31:11,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-10-17 10:31:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-10-17 10:31:11,637 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-10-17 10:31:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-10-17 10:31:11,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-10-17 10:31:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-10-17 10:31:11,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-10-17 10:31:11,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 10:31:11,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 10:31:11,638 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-17 10:31:11,638 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-17 10:31:11,638 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-10-17 10:31:11,638 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-10-17 10:31:11,638 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-10-17 10:31:11,639 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-10-17 10:31:11,639 INFO L130 BoogieDeclarations]: Found specification of procedure PRIV [2022-10-17 10:31:11,639 INFO L138 BoogieDeclarations]: Found implementation of procedure PRIV [2022-10-17 10:31:11,639 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-10-17 10:31:11,639 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-10-17 10:31:11,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:31:11,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_72 [2022-10-17 10:31:11,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_72 [2022-10-17 10:31:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:31:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:31:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-17 10:31:11,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-17 10:31:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-10-17 10:31:11,640 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-10-17 10:31:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-10-17 10:31:11,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-10-17 10:31:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-17 10:31:11,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-17 10:31:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-10-17 10:31:11,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-10-17 10:31:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-10-17 10:31:11,641 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-10-17 10:31:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-17 10:31:11,642 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-17 10:31:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-17 10:31:11,642 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-17 10:31:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_ns83820 [2022-10-17 10:31:11,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_ns83820 [2022-10-17 10:31:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2022-10-17 10:31:11,642 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2022-10-17 10:31:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure build_rx_desc [2022-10-17 10:31:11,643 INFO L138 BoogieDeclarations]: Found implementation of procedure build_rx_desc [2022-10-17 10:31:11,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:31:11,643 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-17 10:31:11,643 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-17 10:31:11,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:31:11,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:31:11,643 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-10-17 10:31:11,643 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-10-17 10:31:11,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_misc_lock_of_ns83820 [2022-10-17 10:31:11,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_misc_lock_of_ns83820 [2022-10-17 10:31:11,644 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-10-17 10:31:11,644 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-10-17 10:31:11,644 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_open [2022-10-17 10:31:11,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_open [2022-10-17 10:31:11,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-17 10:31:11,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-17 10:31:11,645 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-10-17 10:31:11,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-10-17 10:31:11,647 INFO L130 BoogieDeclarations]: Found specification of procedure rx_irq [2022-10-17 10:31:11,647 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_irq [2022-10-17 10:31:11,647 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_disable_interrupts [2022-10-17 10:31:11,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_disable_interrupts [2022-10-17 10:31:11,647 INFO L130 BoogieDeclarations]: Found specification of procedure kick_rx [2022-10-17 10:31:11,647 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_rx [2022-10-17 10:31:11,648 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 10:31:11,648 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 10:31:11,648 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-10-17 10:31:11,648 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-10-17 10:31:11,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:31:11,648 INFO L130 BoogieDeclarations]: Found specification of procedure rx_refill [2022-10-17 10:31:11,648 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_refill [2022-10-17 10:31:11,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-17 10:31:11,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-17 10:31:11,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rx_info [2022-10-17 10:31:11,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rx_info [2022-10-17 10:31:11,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_ns83820 [2022-10-17 10:31:11,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_ns83820 [2022-10-17 10:31:12,693 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:31:12,698 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:31:12,940 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:31:16,526 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-17 10:31:16,794 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:31:16,831 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:31:16,831 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:31:16,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:31:16 BoogieIcfgContainer [2022-10-17 10:31:16,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:31:16,843 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:31:16,843 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:31:16,848 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:31:16,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:31:05" (1/3) ... [2022-10-17 10:31:16,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e99f03b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:31:16, skipping insertion in model container [2022-10-17 10:31:16,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:10" (2/3) ... [2022-10-17 10:31:16,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e99f03b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:31:16, skipping insertion in model container [2022-10-17 10:31:16,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:31:16" (3/3) ... [2022-10-17 10:31:16,852 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i [2022-10-17 10:31:16,875 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:31:16,875 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-10-17 10:31:16,997 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:31:17,005 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;@3ee96a0b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:31:17,005 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-10-17 10:31:17,018 INFO L276 IsEmpty]: Start isEmpty. Operand has 1899 states, 1285 states have (on average 1.3011673151750973) internal successors, (1672), 1317 states have internal predecessors, (1672), 508 states have call successors, (508), 104 states have call predecessors, (508), 103 states have return successors, (503), 499 states have call predecessors, (503), 503 states have call successors, (503) [2022-10-17 10:31:17,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-17 10:31:17,039 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:31:17,040 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:31:17,040 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 10:31:17,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:31:17,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1511978544, now seen corresponding path program 1 times [2022-10-17 10:31:17,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:31:17,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019177218] [2022-10-17 10:31:17,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:31:17,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:31:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:17,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:31:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:17,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:31:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:17,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:31:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:17,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:31:17,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:17,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:31:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:17,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:31:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:17,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:31:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:17,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:31:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:18,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:31:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:18,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:31:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:18,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:31:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:18,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:31:18,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:18,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:31:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:18,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:31:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:18,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-17 10:31:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:18,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-17 10:31:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:18,109 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-10-17 10:31:18,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:31:18,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019177218] [2022-10-17 10:31:18,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019177218] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:31:18,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:31:18,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:31:18,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960703710] [2022-10-17 10:31:18,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:31:18,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:31:18,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:31:18,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:31:18,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:31:18,164 INFO L87 Difference]: Start difference. First operand has 1899 states, 1285 states have (on average 1.3011673151750973) internal successors, (1672), 1317 states have internal predecessors, (1672), 508 states have call successors, (508), 104 states have call predecessors, (508), 103 states have return successors, (503), 499 states have call predecessors, (503), 503 states have call successors, (503) Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-10-17 10:31:24,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:31:24,961 INFO L93 Difference]: Finished difference Result 5727 states and 8328 transitions. [2022-10-17 10:31:24,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:31:24,967 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 101 [2022-10-17 10:31:24,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:31:25,036 INFO L225 Difference]: With dead ends: 5727 [2022-10-17 10:31:25,036 INFO L226 Difference]: Without dead ends: 3837 [2022-10-17 10:31:25,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 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 10:31:25,081 INFO L413 NwaCegarLoop]: 2737 mSDtfsCounter, 3409 mSDsluCounter, 2204 mSDsCounter, 0 mSdLazyCounter, 2341 mSolverCounterSat, 1566 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3895 SdHoareTripleChecker+Valid, 4941 SdHoareTripleChecker+Invalid, 3907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1566 IncrementalHoareTripleChecker+Valid, 2341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:31:25,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3895 Valid, 4941 Invalid, 3907 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1566 Valid, 2341 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-10-17 10:31:25,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3837 states. [2022-10-17 10:31:25,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3837 to 3689. [2022-10-17 10:31:25,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3689 states, 2511 states have (on average 1.2453205894066108) internal successors, (3127), 2573 states have internal predecessors, (3127), 972 states have call successors, (972), 204 states have call predecessors, (972), 203 states have return successors, (969), 961 states have call predecessors, (969), 969 states have call successors, (969) [2022-10-17 10:31:25,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3689 states to 3689 states and 5068 transitions. [2022-10-17 10:31:25,578 INFO L78 Accepts]: Start accepts. Automaton has 3689 states and 5068 transitions. Word has length 101 [2022-10-17 10:31:25,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:31:25,579 INFO L495 AbstractCegarLoop]: Abstraction has 3689 states and 5068 transitions. [2022-10-17 10:31:25,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-10-17 10:31:25,580 INFO L276 IsEmpty]: Start isEmpty. Operand 3689 states and 5068 transitions. [2022-10-17 10:31:25,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-17 10:31:25,591 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:31:25,591 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:31:25,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:31:25,592 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 10:31:25,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:31:25,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1750582024, now seen corresponding path program 1 times [2022-10-17 10:31:25,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:31:25,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259640572] [2022-10-17 10:31:25,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:31:25,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:31:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:25,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:31:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:25,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:31:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:25,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:31:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:25,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:31:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:25,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:31:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:25,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:31:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:25,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:31:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:25,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:31:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:25,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:31:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:25,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:31:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:25,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:31:25,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:25,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:31:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:26,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:31:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:26,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:31:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:26,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-17 10:31:26,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:26,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-17 10:31:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:26,054 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-10-17 10:31:26,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:31:26,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259640572] [2022-10-17 10:31:26,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259640572] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:31:26,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:31:26,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:31:26,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435083392] [2022-10-17 10:31:26,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:31:26,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:31:26,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:31:26,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:31:26,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:31:26,060 INFO L87 Difference]: Start difference. First operand 3689 states and 5068 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-10-17 10:31:32,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:31:32,056 INFO L93 Difference]: Finished difference Result 10611 states and 14599 transitions. [2022-10-17 10:31:32,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:31:32,059 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 114 [2022-10-17 10:31:32,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:31:32,135 INFO L225 Difference]: With dead ends: 10611 [2022-10-17 10:31:32,135 INFO L226 Difference]: Without dead ends: 6941 [2022-10-17 10:31:32,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 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 10:31:32,162 INFO L413 NwaCegarLoop]: 2661 mSDtfsCounter, 2945 mSDsluCounter, 2181 mSDsCounter, 0 mSdLazyCounter, 2297 mSolverCounterSat, 1546 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3356 SdHoareTripleChecker+Valid, 4842 SdHoareTripleChecker+Invalid, 3843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1546 IncrementalHoareTripleChecker+Valid, 2297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-10-17 10:31:32,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3356 Valid, 4842 Invalid, 3843 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1546 Valid, 2297 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-10-17 10:31:32,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6941 states.