./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-calxeda-xgmac.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-calxeda-xgmac.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 3fe54d83d46de95e8e0767545626d085bd64ef94fa067827f6d89c4bc8eb39d0 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 04:09:05,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 04:09:05,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 04:09:06,013 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 04:09:06,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 04:09:06,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 04:09:06,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 04:09:06,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 04:09:06,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 04:09:06,018 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 04:09:06,019 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 04:09:06,021 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 04:09:06,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 04:09:06,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 04:09:06,025 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 04:09:06,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 04:09:06,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 04:09:06,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 04:09:06,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 04:09:06,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 04:09:06,031 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 04:09:06,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 04:09:06,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 04:09:06,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 04:09:06,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 04:09:06,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 04:09:06,041 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 04:09:06,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 04:09:06,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 04:09:06,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 04:09:06,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 04:09:06,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 04:09:06,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 04:09:06,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 04:09:06,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 04:09:06,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 04:09:06,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 04:09:06,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 04:09:06,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 04:09:06,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 04:09:06,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 04:09:06,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 04:09:06,056 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 04:09:06,073 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 04:09:06,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 04:09:06,074 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 04:09:06,074 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 04:09:06,075 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 04:09:06,075 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 04:09:06,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 04:09:06,076 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 04:09:06,076 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 04:09:06,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 04:09:06,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 04:09:06,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 04:09:06,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 04:09:06,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 04:09:06,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 04:09:06,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 04:09:06,077 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 04:09:06,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 04:09:06,077 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 04:09:06,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 04:09:06,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 04:09:06,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:09:06,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 04:09:06,078 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 04:09:06,078 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 04:09:06,079 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 04:09:06,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 04:09:06,079 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 04:09:06,079 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 04:09:06,079 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 04:09:06,079 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fe54d83d46de95e8e0767545626d085bd64ef94fa067827f6d89c4bc8eb39d0 [2022-07-14 04:09:06,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 04:09:06,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 04:09:06,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 04:09:06,261 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 04:09:06,262 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 04:09:06,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-calxeda-xgmac.cil.i [2022-07-14 04:09:06,328 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f4c95f9a/46a34306c44d4b5d99fc466b30cd6089/FLAG3b733dd2a [2022-07-14 04:09:07,008 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 04:09:07,010 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-calxeda-xgmac.cil.i [2022-07-14 04:09:07,057 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f4c95f9a/46a34306c44d4b5d99fc466b30cd6089/FLAG3b733dd2a [2022-07-14 04:09:07,287 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f4c95f9a/46a34306c44d4b5d99fc466b30cd6089 [2022-07-14 04:09:07,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 04:09:07,289 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 04:09:07,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 04:09:07,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 04:09:07,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 04:09:07,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:09:07" (1/1) ... [2022-07-14 04:09:07,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@401e9c48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:07, skipping insertion in model container [2022-07-14 04:09:07,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:09:07" (1/1) ... [2022-07-14 04:09:07,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:09:07,424 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:09:09,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-calxeda-xgmac.cil.i[358326,358339] [2022-07-14 04:09:09,784 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-calxeda-xgmac.cil.i[358495,358508] [2022-07-14 04:09:09,785 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-calxeda-xgmac.cil.i[358662,358675] [2022-07-14 04:09:09,785 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-calxeda-xgmac.cil.i[358830,358843] [2022-07-14 04:09:09,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:09:09,891 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:09:10,166 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-calxeda-xgmac.cil.i[358326,358339] [2022-07-14 04:09:10,167 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-calxeda-xgmac.cil.i[358495,358508] [2022-07-14 04:09:10,167 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-calxeda-xgmac.cil.i[358662,358675] [2022-07-14 04:09:10,168 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-calxeda-xgmac.cil.i[358830,358843] [2022-07-14 04:09:10,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:09:10,348 INFO L208 MainTranslator]: Completed translation [2022-07-14 04:09:10,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:10 WrapperNode [2022-07-14 04:09:10,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 04:09:10,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 04:09:10,350 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 04:09:10,351 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 04:09:10,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:10" (1/1) ... [2022-07-14 04:09:10,448 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:10" (1/1) ... [2022-07-14 04:09:10,617 INFO L137 Inliner]: procedures = 502, calls = 2414, calls flagged for inlining = 253, calls inlined = 226, statements flattened = 5584 [2022-07-14 04:09:10,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 04:09:10,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 04:09:10,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 04:09:10,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 04:09:10,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:10" (1/1) ... [2022-07-14 04:09:10,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:10" (1/1) ... [2022-07-14 04:09:10,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:10" (1/1) ... [2022-07-14 04:09:10,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:10" (1/1) ... [2022-07-14 04:09:10,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:10" (1/1) ... [2022-07-14 04:09:10,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:10" (1/1) ... [2022-07-14 04:09:10,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:10" (1/1) ... [2022-07-14 04:09:10,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 04:09:10,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 04:09:10,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 04:09:10,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 04:09:10,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:10" (1/1) ... [2022-07-14 04:09:10,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:09:10,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:09:10,910 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 04:09:10,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 04:09:10,942 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-14 04:09:10,942 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-14 04:09:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 04:09:10,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 04:09:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2022-07-14 04:09:10,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2022-07-14 04:09:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure desc_set_buf_addr [2022-07-14 04:09:10,943 INFO L138 BoogieDeclarations]: Found implementation of procedure desc_set_buf_addr [2022-07-14 04:09:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 04:09:10,943 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 04:09:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 04:09:10,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 04:09:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_interrupt [2022-07-14 04:09:10,944 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_interrupt [2022-07-14 04:09:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-14 04:09:10,944 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-14 04:09:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_rx_refill [2022-07-14 04:09:10,944 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_rx_refill [2022-07-14 04:09:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 04:09:10,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 04:09:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-07-14 04:09:10,945 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-07-14 04:09:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 04:09:10,945 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 04:09:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 04:09:10,945 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 04:09:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_poll_controller [2022-07-14 04:09:10,946 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_poll_controller [2022-07-14 04:09:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-07-14 04:09:10,946 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-07-14 04:09:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_set_mac_addr [2022-07-14 04:09:10,946 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_set_mac_addr [2022-07-14 04:09:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2022-07-14 04:09:10,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2022-07-14 04:09:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_tx_timeout [2022-07-14 04:09:10,947 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_tx_timeout [2022-07-14 04:09:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 04:09:10,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 04:09:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-14 04:09:10,947 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-14 04:09:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 04:09:10,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 04:09:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-07-14 04:09:10,948 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-07-14 04:09:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 04:09:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-14 04:09:10,948 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-14 04:09:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 04:09:10,948 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 04:09:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-14 04:09:10,948 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-14 04:09:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure desc_set_buf_addr_and_size [2022-07-14 04:09:10,949 INFO L138 BoogieDeclarations]: Found implementation of procedure desc_set_buf_addr_and_size [2022-07-14 04:09:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 04:09:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 04:09:10,949 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 04:09:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_probe [2022-07-14 04:09:10,949 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_probe [2022-07-14 04:09:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 04:09:10,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 04:09:10,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 04:09:10,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 04:09:10,950 INFO L130 BoogieDeclarations]: Found specification of procedure desc_set_buf_len [2022-07-14 04:09:10,950 INFO L138 BoogieDeclarations]: Found implementation of procedure desc_set_buf_len [2022-07-14 04:09:10,950 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 04:09:10,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 04:09:10,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 04:09:10,950 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 04:09:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-14 04:09:10,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-14 04:09:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 04:09:10,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 04:09:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_suspend [2022-07-14 04:09:10,951 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_suspend [2022-07-14 04:09:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2022-07-14 04:09:10,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2022-07-14 04:09:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_open [2022-07-14 04:09:10,952 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_open [2022-07-14 04:09:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure desc_get_buf_len [2022-07-14 04:09:10,952 INFO L138 BoogieDeclarations]: Found implementation of procedure desc_get_buf_len [2022-07-14 04:09:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-07-14 04:09:10,952 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-07-14 04:09:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-14 04:09:10,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-14 04:09:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 04:09:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-14 04:09:10,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-14 04:09:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-14 04:09:10,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-14 04:09:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-14 04:09:10,953 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-14 04:09:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 04:09:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_pmt [2022-07-14 04:09:10,954 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_pmt [2022-07-14 04:09:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-14 04:09:10,954 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-14 04:09:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 04:09:10,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 04:09:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 04:09:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_free_tx_skbufs [2022-07-14 04:09:10,954 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_free_tx_skbufs [2022-07-14 04:09:10,955 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 04:09:10,955 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:09:10,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:09:10,955 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-14 04:09:10,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-14 04:09:10,955 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-07-14 04:09:10,955 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-07-14 04:09:10,955 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-14 04:09:10,955 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-14 04:09:10,956 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-14 04:09:10,956 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-14 04:09:10,956 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 04:09:10,956 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 04:09:10,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-14 04:09:10,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-14 04:09:10,956 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2022-07-14 04:09:10,956 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2022-07-14 04:09:10,957 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-14 04:09:10,957 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-14 04:09:10,957 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-14 04:09:10,957 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-14 04:09:10,957 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 04:09:10,957 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 04:09:10,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 04:09:10,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 04:09:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_mac_disable [2022-07-14 04:09:10,958 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_mac_disable [2022-07-14 04:09:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 04:09:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 04:09:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 04:09:10,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 04:09:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure desc_init_tx_desc [2022-07-14 04:09:10,958 INFO L138 BoogieDeclarations]: Found implementation of procedure desc_init_tx_desc [2022-07-14 04:09:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 04:09:10,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 04:09:10,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 04:09:10,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 04:09:10,959 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-14 04:09:10,959 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-14 04:09:10,959 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-14 04:09:10,959 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-14 04:09:10,959 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-14 04:09:10,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-14 04:09:10,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-14 04:09:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2022-07-14 04:09:10,960 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2022-07-14 04:09:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 04:09:10,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 04:09:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-07-14 04:09:10,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-07-14 04:09:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-14 04:09:10,961 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-14 04:09:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-14 04:09:10,961 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-14 04:09:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_mac_enable [2022-07-14 04:09:10,961 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_mac_enable [2022-07-14 04:09:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-14 04:09:10,961 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-14 04:09:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-14 04:09:10,961 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-14 04:09:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 04:09:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_stop [2022-07-14 04:09:10,962 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_stop [2022-07-14 04:09:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure desc_set_tx_owner [2022-07-14 04:09:10,962 INFO L138 BoogieDeclarations]: Found implementation of procedure desc_set_tx_owner [2022-07-14 04:09:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-14 04:09:10,962 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-14 04:09:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2022-07-14 04:09:10,962 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2022-07-14 04:09:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 04:09:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 04:09:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-14 04:09:10,963 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-14 04:09:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-14 04:09:10,963 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-14 04:09:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 04:09:10,963 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 04:09:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-14 04:09:10,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-14 04:09:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 04:09:10,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 04:09:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-14 04:09:10,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-14 04:09:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_set_flow_ctrl [2022-07-14 04:09:10,964 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_set_flow_ctrl [2022-07-14 04:09:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 04:09:10,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 04:09:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_resume [2022-07-14 04:09:10,965 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_resume [2022-07-14 04:09:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-14 04:09:10,965 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-14 04:09:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-14 04:09:10,965 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-14 04:09:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 04:09:10,965 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 04:09:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2022-07-14 04:09:10,966 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2022-07-14 04:09:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure desc_get_tx_fs [2022-07-14 04:09:10,966 INFO L138 BoogieDeclarations]: Found implementation of procedure desc_get_tx_fs [2022-07-14 04:09:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 04:09:10,966 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 04:09:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_set_rx_mode [2022-07-14 04:09:10,966 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_set_rx_mode [2022-07-14 04:09:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-14 04:09:10,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-14 04:09:10,967 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 04:09:10,967 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 04:09:10,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 04:09:10,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 04:09:10,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 04:09:10,967 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-14 04:09:10,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-14 04:09:10,967 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-14 04:09:10,968 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-14 04:09:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-14 04:09:10,968 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-14 04:09:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-14 04:09:10,968 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-14 04:09:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2022-07-14 04:09:10,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2022-07-14 04:09:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 04:09:10,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 04:09:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-14 04:09:10,969 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-14 04:09:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-14 04:09:10,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-14 04:09:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2022-07-14 04:09:10,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2022-07-14 04:09:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-07-14 04:09:10,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-07-14 04:09:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-14 04:09:10,970 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-14 04:09:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-14 04:09:10,970 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-14 04:09:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-14 04:09:10,970 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-14 04:09:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure xgmac_remove [2022-07-14 04:09:10,970 INFO L138 BoogieDeclarations]: Found implementation of procedure xgmac_remove [2022-07-14 04:09:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 04:09:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure desc_get_buf_addr [2022-07-14 04:09:10,971 INFO L138 BoogieDeclarations]: Found implementation of procedure desc_get_buf_addr [2022-07-14 04:09:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-07-14 04:09:10,971 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-07-14 04:09:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-07-14 04:09:10,971 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-07-14 04:09:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 04:09:10,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 04:09:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure desc_get_tx_ls [2022-07-14 04:09:10,972 INFO L138 BoogieDeclarations]: Found implementation of procedure desc_get_tx_ls [2022-07-14 04:09:11,581 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 04:09:11,584 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 04:09:12,010 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 04:13:48,059 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 04:13:48,104 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 04:13:48,117 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 04:13:48,118 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2022-07-14 04:13:48,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:13:48 BoogieIcfgContainer [2022-07-14 04:13:48,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 04:13:48,124 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 04:13:48,124 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 04:13:48,126 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 04:13:48,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 04:09:07" (1/3) ... [2022-07-14 04:13:48,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43eeadda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:13:48, skipping insertion in model container [2022-07-14 04:13:48,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:09:10" (2/3) ... [2022-07-14 04:13:48,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43eeadda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:13:48, skipping insertion in model container [2022-07-14 04:13:48,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:13:48" (3/3) ... [2022-07-14 04:13:48,128 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-calxeda-xgmac.cil.i [2022-07-14 04:13:48,138 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 04:13:48,138 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-14 04:13:48,206 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 04:13:48,210 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5bfba697, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3f3bd9a1 [2022-07-14 04:13:48,211 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-14 04:13:48,220 INFO L276 IsEmpty]: Start isEmpty. Operand has 2210 states, 1564 states have (on average 1.3203324808184143) internal successors, (2065), 1585 states have internal predecessors, (2065), 528 states have call successors, (528), 116 states have call predecessors, (528), 115 states have return successors, (521), 516 states have call predecessors, (521), 521 states have call successors, (521) [2022-07-14 04:13:48,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-07-14 04:13:48,232 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:13:48,233 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:13:48,233 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)] === [2022-07-14 04:13:48,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:13:48,237 INFO L85 PathProgramCache]: Analyzing trace with hash -842714519, now seen corresponding path program 1 times [2022-07-14 04:13:48,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:13:48,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147141368] [2022-07-14 04:13:48,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:13:48,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:13:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:13:49,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:13:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:13:49,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:13:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:13:49,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:13:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:13:49,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:13:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:13:49,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 04:13:49,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:13:49,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:13:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:13:49,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:13:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:13:49,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:13:49,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:13:49,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:13:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:13:49,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:13:49,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:13:49,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:13:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:13:49,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:13:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:13:49,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 04:13:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:13:49,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:13:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:13:49,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 04:13:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:13:49,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:13:49,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:13:49,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:13:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:13:49,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:13:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:13:49,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 04:13:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:13:49,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:13:49,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:13:49,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 04:13:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:13:49,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:13:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:13:49,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 04:13:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:13:49,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:13:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:13:49,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 04:13:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:13:49,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:13:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:13:49,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-14 04:13:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:13:49,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 04:13:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:13:49,726 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-14 04:13:49,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:13:49,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147141368] [2022-07-14 04:13:49,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147141368] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:13:49,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:13:49,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:13:49,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482937658] [2022-07-14 04:13:49,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:13:49,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:13:49,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:13:49,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:13:49,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:13:49,758 INFO L87 Difference]: Start difference. First operand has 2210 states, 1564 states have (on average 1.3203324808184143) internal successors, (2065), 1585 states have internal predecessors, (2065), 528 states have call successors, (528), 116 states have call predecessors, (528), 115 states have return successors, (521), 516 states have call predecessors, (521), 521 states have call successors, (521) 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, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16)