./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 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-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.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 5b31204b1d3e0e886bec362e36aa7180804ba0e69acfc232c20abd4ca078cb80 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 05:05:10,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 05:05:10,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 05:05:10,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 05:05:10,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 05:05:10,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 05:05:10,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 05:05:10,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 05:05:10,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 05:05:10,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 05:05:10,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 05:05:10,248 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 05:05:10,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 05:05:10,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 05:05:10,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 05:05:10,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 05:05:10,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 05:05:10,259 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 05:05:10,261 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 05:05:10,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 05:05:10,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 05:05:10,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 05:05:10,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 05:05:10,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 05:05:10,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 05:05:10,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 05:05:10,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 05:05:10,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 05:05:10,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 05:05:10,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 05:05:10,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 05:05:10,289 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 05:05:10,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 05:05:10,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 05:05:10,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 05:05:10,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 05:05:10,293 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 05:05:10,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 05:05:10,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 05:05:10,296 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 05:05:10,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 05:05:10,300 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 05:05:10,338 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 05:05:10,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 05:05:10,340 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 05:05:10,340 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 05:05:10,341 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 05:05:10,341 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 05:05:10,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 05:05:10,342 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 05:05:10,342 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 05:05:10,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 05:05:10,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 05:05:10,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 05:05:10,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 05:05:10,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 05:05:10,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 05:05:10,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 05:05:10,345 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 05:05:10,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 05:05:10,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 05:05:10,345 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 05:05:10,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 05:05:10,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:05:10,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 05:05:10,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 05:05:10,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 05:05:10,346 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 05:05:10,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 05:05:10,347 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 05:05:10,347 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 05:05:10,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 05:05:10,347 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b31204b1d3e0e886bec362e36aa7180804ba0e69acfc232c20abd4ca078cb80 [2021-12-28 05:05:10,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 05:05:10,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 05:05:10,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 05:05:10,680 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 05:05:10,681 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 05:05:10,682 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2021-12-28 05:05:10,733 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b479ae161/4d6cd289d5ec4fa382b9a9fc1d3c05ab/FLAG9dba04611 [2021-12-28 05:05:11,654 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 05:05:11,655 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2021-12-28 05:05:11,728 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b479ae161/4d6cd289d5ec4fa382b9a9fc1d3c05ab/FLAG9dba04611 [2021-12-28 05:05:12,019 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b479ae161/4d6cd289d5ec4fa382b9a9fc1d3c05ab [2021-12-28 05:05:12,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 05:05:12,022 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 05:05:12,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 05:05:12,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 05:05:12,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 05:05:12,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:05:12" (1/1) ... [2021-12-28 05:05:12,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ef48c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:05:12, skipping insertion in model container [2021-12-28 05:05:12,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:05:12" (1/1) ... [2021-12-28 05:05:12,036 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 05:05:12,222 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 05:05:17,589 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-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524215,524228] [2021-12-28 05:05:17,592 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-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524360,524373] [2021-12-28 05:05:17,627 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:05:17,685 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 05:05:18,245 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-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524215,524228] [2021-12-28 05:05:18,245 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-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524360,524373] [2021-12-28 05:05:18,250 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:05:18,532 INFO L208 MainTranslator]: Completed translation [2021-12-28 05:05:18,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:05:18 WrapperNode [2021-12-28 05:05:18,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 05:05:18,534 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 05:05:18,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 05:05:18,534 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 05:05:18,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:05:18" (1/1) ... [2021-12-28 05:05:18,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:05:18" (1/1) ... [2021-12-28 05:05:19,180 INFO L137 Inliner]: procedures = 586, calls = 6377, calls flagged for inlining = 287, calls inlined = 259, statements flattened = 12111 [2021-12-28 05:05:19,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 05:05:19,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 05:05:19,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 05:05:19,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 05:05:19,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:05:18" (1/1) ... [2021-12-28 05:05:19,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:05:18" (1/1) ... [2021-12-28 05:05:19,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:05:18" (1/1) ... [2021-12-28 05:05:19,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:05:18" (1/1) ... [2021-12-28 05:05:19,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:05:18" (1/1) ... [2021-12-28 05:05:19,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:05:18" (1/1) ... [2021-12-28 05:05:19,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:05:18" (1/1) ... [2021-12-28 05:05:19,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 05:05:19,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 05:05:19,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 05:05:19,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 05:05:19,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:05:18" (1/1) ... [2021-12-28 05:05:19,836 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:05:19,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 05:05:19,856 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) [2021-12-28 05:05:19,890 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 [2021-12-28 05:05:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-28 05:05:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-28 05:05:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 05:05:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 05:05:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 05:05:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 05:05:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2021-12-28 05:05:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2021-12-28 05:05:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 05:05:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 05:05:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2021-12-28 05:05:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2021-12-28 05:05:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-28 05:05:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-28 05:05:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 05:05:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 05:05:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-28 05:05:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-28 05:05:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-28 05:05:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-28 05:05:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2021-12-28 05:05:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2021-12-28 05:05:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2021-12-28 05:05:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2021-12-28 05:05:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2021-12-28 05:05:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2021-12-28 05:05:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2021-12-28 05:05:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2021-12-28 05:05:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-28 05:05:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-28 05:05:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2021-12-28 05:05:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2021-12-28 05:05:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2021-12-28 05:05:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2021-12-28 05:05:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 05:05:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 05:05:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 05:05:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 05:05:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-28 05:05:19,909 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-28 05:05:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-28 05:05:19,909 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-28 05:05:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_resume [2021-12-28 05:05:19,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_resume [2021-12-28 05:05:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 05:05:19,909 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 05:05:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 05:05:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 05:05:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 05:05:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-28 05:05:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-28 05:05:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2021-12-28 05:05:19,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2021-12-28 05:05:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-28 05:05:19,911 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-28 05:05:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2021-12-28 05:05:19,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2021-12-28 05:05:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 05:05:19,913 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 05:05:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 05:05:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2021-12-28 05:05:19,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2021-12-28 05:05:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2021-12-28 05:05:19,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2021-12-28 05:05:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 05:05:19,914 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 05:05:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2021-12-28 05:05:19,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2021-12-28 05:05:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 05:05:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 05:05:19,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 05:05:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2021-12-28 05:05:19,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2021-12-28 05:05:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2021-12-28 05:05:19,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2021-12-28 05:05:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 05:05:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2021-12-28 05:05:19,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2021-12-28 05:05:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 05:05:19,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 05:05:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-28 05:05:19,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-28 05:05:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 05:05:19,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 05:05:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-28 05:05:19,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-28 05:05:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-28 05:05:19,916 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-28 05:05:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-28 05:05:19,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-28 05:05:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-28 05:05:19,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-28 05:05:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-28 05:05:19,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-28 05:05:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2021-12-28 05:05:19,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2021-12-28 05:05:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-28 05:05:19,917 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-28 05:05:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 05:05:19,917 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 05:05:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2021-12-28 05:05:19,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2021-12-28 05:05:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2021-12-28 05:05:19,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2021-12-28 05:05:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2021-12-28 05:05:19,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2021-12-28 05:05:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 05:05:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-28 05:05:19,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-28 05:05:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-28 05:05:19,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-28 05:05:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-28 05:05:19,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-28 05:05:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-28 05:05:19,918 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-28 05:05:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 05:05:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-28 05:05:19,918 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-28 05:05:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 05:05:19,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 05:05:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 05:05:19,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 05:05:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 05:05:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 05:05:19,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 05:05:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2021-12-28 05:05:19,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2021-12-28 05:05:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2021-12-28 05:05:19,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2021-12-28 05:05:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 05:05:19,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 05:05:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-28 05:05:19,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-28 05:05:19,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-28 05:05:19,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-28 05:05:19,920 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_remove [2021-12-28 05:05:19,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_remove [2021-12-28 05:05:19,920 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-28 05:05:19,920 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-28 05:05:19,920 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2021-12-28 05:05:19,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2021-12-28 05:05:19,921 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2021-12-28 05:05:19,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2021-12-28 05:05:19,921 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2021-12-28 05:05:19,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2021-12-28 05:05:19,921 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-28 05:05:19,921 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-28 05:05:19,921 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 05:05:19,922 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 05:05:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-28 05:05:19,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-28 05:05:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2021-12-28 05:05:19,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2021-12-28 05:05:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2021-12-28 05:05:19,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2021-12-28 05:05:19,923 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2021-12-28 05:05:19,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2021-12-28 05:05:19,923 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-28 05:05:19,923 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-28 05:05:19,923 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-28 05:05:19,923 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-28 05:05:19,923 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_open [2021-12-28 05:05:19,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_open [2021-12-28 05:05:19,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 05:05:19,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 05:05:19,924 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-28 05:05:19,924 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-28 05:05:19,924 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-28 05:05:19,924 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-28 05:05:19,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 05:05:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 05:05:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 05:05:19,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 05:05:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-28 05:05:19,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-28 05:05:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-28 05:05:19,925 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-28 05:05:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-28 05:05:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-28 05:05:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2021-12-28 05:05:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2021-12-28 05:05:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-28 05:05:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-28 05:05:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2021-12-28 05:05:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2021-12-28 05:05:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-28 05:05:19,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-28 05:05:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 05:05:19,927 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 05:05:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 05:05:19,927 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 05:05:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2021-12-28 05:05:19,928 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2021-12-28 05:05:19,928 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_close [2021-12-28 05:05:19,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_close [2021-12-28 05:05:19,928 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-28 05:05:19,928 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-28 05:05:19,928 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-28 05:05:19,928 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-28 05:05:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-28 05:05:19,929 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-28 05:05:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-28 05:05:19,929 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-28 05:05:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 05:05:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-28 05:05:19,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-28 05:05:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-28 05:05:19,930 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-28 05:05:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 05:05:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-28 05:05:19,930 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-28 05:05:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 05:05:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-28 05:05:19,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-28 05:05:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-28 05:05:19,931 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-28 05:05:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 05:05:19,931 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 05:05:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 05:05:19,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 05:05:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-28 05:05:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-28 05:05:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2021-12-28 05:05:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2021-12-28 05:05:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2021-12-28 05:05:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2021-12-28 05:05:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-28 05:05:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-28 05:05:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-12-28 05:05:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-12-28 05:05:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-28 05:05:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-28 05:05:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 05:05:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 05:05:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-28 05:05:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-28 05:05:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 05:05:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 05:05:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2021-12-28 05:05:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2021-12-28 05:05:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-28 05:05:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-28 05:05:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 05:05:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 05:05:19,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 05:05:19,935 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2021-12-28 05:05:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2021-12-28 05:05:19,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 05:05:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 05:05:19,935 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2021-12-28 05:05:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2021-12-28 05:05:19,936 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-28 05:05:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-28 05:05:19,936 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2021-12-28 05:05:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2021-12-28 05:05:19,936 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-28 05:05:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-28 05:05:19,936 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-28 05:05:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-28 05:05:19,937 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2021-12-28 05:05:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2021-12-28 05:05:19,937 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-12-28 05:05:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-12-28 05:05:19,937 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-28 05:05:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-28 05:05:19,937 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2021-12-28 05:05:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2021-12-28 05:05:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2021-12-28 05:05:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2021-12-28 05:05:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2021-12-28 05:05:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2021-12-28 05:05:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2021-12-28 05:05:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2021-12-28 05:05:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2021-12-28 05:05:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2021-12-28 05:05:19,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 05:05:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 05:05:19,939 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-28 05:05:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-28 05:05:19,939 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-28 05:05:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-28 05:05:19,939 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-28 05:05:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-28 05:05:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-28 05:05:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-28 05:05:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 05:05:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 05:05:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 05:05:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-28 05:05:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2021-12-28 05:05:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2021-12-28 05:05:21,234 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 05:05:21,240 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 05:05:21,514 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 05:05:47,491 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-28 05:05:47,723 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 05:05:47,754 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 05:05:47,754 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-28 05:05:47,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:05:47 BoogieIcfgContainer [2021-12-28 05:05:47,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 05:05:47,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 05:05:47,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 05:05:47,762 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 05:05:47,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 05:05:12" (1/3) ... [2021-12-28 05:05:47,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2865c915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:05:47, skipping insertion in model container [2021-12-28 05:05:47,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:05:18" (2/3) ... [2021-12-28 05:05:47,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2865c915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:05:47, skipping insertion in model container [2021-12-28 05:05:47,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:05:47" (3/3) ... [2021-12-28 05:05:47,765 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2021-12-28 05:05:47,770 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 05:05:47,770 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-28 05:05:47,829 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 05:05:47,834 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 05:05:47,834 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-28 05:05:47,898 INFO L276 IsEmpty]: Start isEmpty. Operand has 3350 states, 2265 states have (on average 1.2657836644591611) internal successors, (2867), 2300 states have internal predecessors, (2867), 947 states have call successors, (947), 137 states have call predecessors, (947), 136 states have return successors, (942), 932 states have call predecessors, (942), 942 states have call successors, (942) [2021-12-28 05:05:47,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-12-28 05:05:47,920 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:05:47,921 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:05:47,922 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 05:05:47,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:05:47,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1723236249, now seen corresponding path program 1 times [2021-12-28 05:05:47,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:05:47,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863604083] [2021-12-28 05:05:47,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:05:47,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:05:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:48,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:05:48,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:48,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:48,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:05:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:48,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:48,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:05:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:48,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:48,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:05:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:49,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:49,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:05:49,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:49,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:49,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:49,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:05:49,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:49,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:49,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:05:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:49,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:49,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:49,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:05:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:49,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:49,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:05:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:49,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:49,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:05:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:49,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:49,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:05:49,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:49,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:49,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:05:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:49,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:49,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:05:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:49,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:49,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:05:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:49,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:49,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:05:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:49,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:49,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 05:05:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:49,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:05:49,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:49,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-28 05:05:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:49,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-28 05:05:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:49,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-28 05:05:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:05:49,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-28 05:05:49,360 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:05:49,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863604083] [2021-12-28 05:05:49,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863604083] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:05:49,362 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:05:49,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:05:49,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420868794] [2021-12-28 05:05:49,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:05:49,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:05:49,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:05:49,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:05:49,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:05:49,404 INFO L87 Difference]: Start difference. First operand has 3350 states, 2265 states have (on average 1.2657836644591611) internal successors, (2867), 2300 states have internal predecessors, (2867), 947 states have call successors, (947), 137 states have call predecessors, (947), 136 states have return successors, (942), 932 states have call predecessors, (942), 942 states have call successors, (942) Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-28 05:06:00,175 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:06:01,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:06:01,250 INFO L93 Difference]: Finished difference Result 9681 states and 13957 transitions. [2021-12-28 05:06:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 05:06:01,256 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 222 [2021-12-28 05:06:01,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:06:01,332 INFO L225 Difference]: With dead ends: 9681 [2021-12-28 05:06:01,332 INFO L226 Difference]: Without dead ends: 6276 [2021-12-28 05:06:01,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:06:01,386 INFO L933 BasicCegarLoop]: 5182 mSDtfsCounter, 4827 mSDsluCounter, 4845 mSDsCounter, 0 mSdLazyCounter, 3767 mSolverCounterSat, 2580 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5594 SdHoareTripleChecker+Valid, 10027 SdHoareTripleChecker+Invalid, 6348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2580 IncrementalHoareTripleChecker+Valid, 3767 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2021-12-28 05:06:01,387 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5594 Valid, 10027 Invalid, 6348 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2580 Valid, 3767 Invalid, 1 Unknown, 0 Unchecked, 11.3s Time] [2021-12-28 05:06:01,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6276 states. [2021-12-28 05:06:01,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6276 to 6019. [2021-12-28 05:06:02,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6019 states, 4083 states have (on average 1.2500612294881215) internal successors, (5104), 4140 states have internal predecessors, (5104), 1687 states have call successors, (1687), 247 states have call predecessors, (1687), 247 states have return successors, (1687), 1671 states have call predecessors, (1687), 1687 states have call successors, (1687) [2021-12-28 05:06:02,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6019 states to 6019 states and 8478 transitions. [2021-12-28 05:06:02,071 INFO L78 Accepts]: Start accepts. Automaton has 6019 states and 8478 transitions. Word has length 222 [2021-12-28 05:06:02,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:06:02,076 INFO L470 AbstractCegarLoop]: Abstraction has 6019 states and 8478 transitions. [2021-12-28 05:06:02,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-28 05:06:02,076 INFO L276 IsEmpty]: Start isEmpty. Operand 6019 states and 8478 transitions. [2021-12-28 05:06:02,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-12-28 05:06:02,087 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:06:02,088 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:06:02,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 05:06:02,088 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 05:06:02,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:06:02,089 INFO L85 PathProgramCache]: Analyzing trace with hash -633129653, now seen corresponding path program 1 times [2021-12-28 05:06:02,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:06:02,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32632848] [2021-12-28 05:06:02,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:06:02,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:06:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:06:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:06:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:06:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:06:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:06:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:06:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:06:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:06:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:06:02,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:06:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:06:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:06:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:06:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:06:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:06:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:06:02,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:06:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:06:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:06:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:06:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:06:02,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:06:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:06:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:06:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:06:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:06:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:06:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:06:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:06:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:06:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 05:06:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:06:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-28 05:06:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-28 05:06:02,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:06:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:06:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:06:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-28 05:06:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-28 05:06:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-28 05:06:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:06:02,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1132 trivial. 0 not checked. [2021-12-28 05:06:02,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:06:02,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32632848] [2021-12-28 05:06:02,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32632848] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:06:02,986 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:06:02,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:06:02,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625096463] [2021-12-28 05:06:02,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:06:02,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:06:02,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:06:02,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:06:02,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:06:02,992 INFO L87 Difference]: Start difference. First operand 6019 states and 8478 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25)