./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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_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 81d3a41c14974620b49988c1780c7d5a75f04674e564d23c865943e8c9fe2089 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:57:12,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:57:12,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:57:12,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:57:12,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:57:12,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:57:12,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:57:12,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:57:12,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:57:12,782 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:57:12,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:57:12,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:57:12,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:57:12,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:57:12,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:57:12,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:57:12,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:57:12,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:57:12,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:57:12,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:57:12,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:57:12,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:57:12,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:57:12,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:57:12,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:57:12,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:57:12,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:57:12,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:57:12,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:57:12,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:57:12,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:57:12,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:57:12,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:57:12,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:57:12,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:57:12,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:57:12,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:57:12,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:57:12,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:57:12,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:57:12,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:57:12,817 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:57:12,843 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:57:12,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:57:12,844 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:57:12,844 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:57:12,845 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:57:12,845 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:57:12,845 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:57:12,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:57:12,846 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:57:12,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:57:12,846 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:57:12,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:57:12,847 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:57:12,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:57:12,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:57:12,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:57:12,847 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:57:12,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:57:12,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:57:12,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:57:12,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:57:12,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:57:12,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:57:12,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:57:12,848 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:57:12,849 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:57:12,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:57:12,849 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:57:12,849 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:57:12,849 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:57:12,849 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:57:12,849 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81d3a41c14974620b49988c1780c7d5a75f04674e564d23c865943e8c9fe2089 [2021-12-22 15:57:13,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:57:13,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:57:13,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:57:13,078 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:57:13,079 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:57:13,080 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2021-12-22 15:57:13,144 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e046e994/f75c75c9f9af4eab9b4b1e9d313b0b74/FLAG03a5f71ab [2021-12-22 15:57:13,905 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:57:13,906 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2021-12-22 15:57:13,955 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e046e994/f75c75c9f9af4eab9b4b1e9d313b0b74/FLAG03a5f71ab [2021-12-22 15:57:14,152 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e046e994/f75c75c9f9af4eab9b4b1e9d313b0b74 [2021-12-22 15:57:14,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:57:14,156 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:57:14,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:57:14,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:57:14,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:57:14,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:57:14" (1/1) ... [2021-12-22 15:57:14,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dda25d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:14, skipping insertion in model container [2021-12-22 15:57:14,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:57:14" (1/1) ... [2021-12-22 15:57:14,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:57:14,303 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:57:18,324 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_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519506,519519] [2021-12-22 15:57:18,327 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_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519651,519664] [2021-12-22 15:57:18,358 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:57:18,452 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:57:18,760 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_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519506,519519] [2021-12-22 15:57:18,761 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_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519651,519664] [2021-12-22 15:57:18,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:57:18,997 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:57:18,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:18 WrapperNode [2021-12-22 15:57:18,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:57:18,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:57:18,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:57:18,999 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:57:19,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:18" (1/1) ... [2021-12-22 15:57:19,166 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:18" (1/1) ... [2021-12-22 15:57:19,421 INFO L137 Inliner]: procedures = 574, calls = 6348, calls flagged for inlining = 279, calls inlined = 246, statements flattened = 12134 [2021-12-22 15:57:19,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:57:19,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:57:19,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:57:19,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:57:19,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:18" (1/1) ... [2021-12-22 15:57:19,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:18" (1/1) ... [2021-12-22 15:57:19,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:18" (1/1) ... [2021-12-22 15:57:19,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:18" (1/1) ... [2021-12-22 15:57:19,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:18" (1/1) ... [2021-12-22 15:57:19,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:18" (1/1) ... [2021-12-22 15:57:19,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:18" (1/1) ... [2021-12-22 15:57:19,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:57:19,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:57:19,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:57:19,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:57:19,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:18" (1/1) ... [2021-12-22 15:57:19,865 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:57:19,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:57:19,901 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) [2021-12-22 15:57:19,909 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 [2021-12-22 15:57:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-22 15:57:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-22 15:57:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:57:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:57:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 15:57:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 15:57:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2021-12-22 15:57:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2021-12-22 15:57:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:57:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:57:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2021-12-22 15:57:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2021-12-22 15:57:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-22 15:57:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-22 15:57:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 15:57:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 15:57:19,935 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-22 15:57:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-22 15:57:19,935 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 15:57:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 15:57:19,935 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2021-12-22 15:57:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2021-12-22 15:57:19,936 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2021-12-22 15:57:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2021-12-22 15:57:19,936 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2021-12-22 15:57:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2021-12-22 15:57:19,936 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2021-12-22 15:57:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2021-12-22 15:57:19,936 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-22 15:57:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-22 15:57:19,937 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2021-12-22 15:57:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2021-12-22 15:57:19,937 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2021-12-22 15:57:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2021-12-22 15:57:19,937 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 15:57:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 15:57:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:57:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:57:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-22 15:57:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-22 15:57:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-22 15:57:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-22 15:57:19,939 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_resume [2021-12-22 15:57:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_resume [2021-12-22 15:57:19,939 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-22 15:57:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-22 15:57:19,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:57:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:57:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:57:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-22 15:57:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-22 15:57:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2021-12-22 15:57:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2021-12-22 15:57:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 15:57:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 15:57:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2021-12-22 15:57:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2021-12-22 15:57:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 15:57:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 15:57:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:57:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2021-12-22 15:57:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2021-12-22 15:57:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2021-12-22 15:57:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2021-12-22 15:57:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 15:57:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 15:57:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2021-12-22 15:57:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2021-12-22 15:57:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:57:19,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:57:19,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:57:19,944 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2021-12-22 15:57:19,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2021-12-22 15:57:19,945 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2021-12-22 15:57:19,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2021-12-22 15:57:19,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:57:19,945 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2021-12-22 15:57:19,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2021-12-22 15:57:19,945 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 15:57:19,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 15:57:19,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-22 15:57:19,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-22 15:57:19,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:57:19,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:57:19,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-22 15:57:19,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-22 15:57:19,947 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-22 15:57:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-22 15:57:19,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-22 15:57:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-22 15:57:19,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-22 15:57:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-22 15:57:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 15:57:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 15:57:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2021-12-22 15:57:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2021-12-22 15:57:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-22 15:57:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-22 15:57:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 15:57:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 15:57:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2021-12-22 15:57:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2021-12-22 15:57:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2021-12-22 15:57:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2021-12-22 15:57:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2021-12-22 15:57:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2021-12-22 15:57:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:57:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-22 15:57:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-22 15:57:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-22 15:57:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-22 15:57:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:57:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-22 15:57:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-22 15:57:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:57:19,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:57:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:57:19,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:57:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:57:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:57:19,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:57:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2021-12-22 15:57:19,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2021-12-22 15:57:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2021-12-22 15:57:19,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2021-12-22 15:57:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:57:19,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:57:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-22 15:57:19,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-22 15:57:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-22 15:57:19,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-22 15:57:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_remove [2021-12-22 15:57:19,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_remove [2021-12-22 15:57:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-22 15:57:19,962 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-22 15:57:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2021-12-22 15:57:19,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2021-12-22 15:57:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2021-12-22 15:57:19,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2021-12-22 15:57:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2021-12-22 15:57:19,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2021-12-22 15:57:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-22 15:57:19,962 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-22 15:57:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:57:19,963 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:57:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-22 15:57:19,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-22 15:57:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2021-12-22 15:57:19,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2021-12-22 15:57:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2021-12-22 15:57:19,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2021-12-22 15:57:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2021-12-22 15:57:19,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2021-12-22 15:57:19,964 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-22 15:57:19,964 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-22 15:57:19,964 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 15:57:19,964 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 15:57:19,964 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_open [2021-12-22 15:57:19,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_open [2021-12-22 15:57:19,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:57:19,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:57:19,965 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-22 15:57:19,965 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-22 15:57:19,965 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-22 15:57:19,965 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-22 15:57:19,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:57:19,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:57:19,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:57:19,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:57:19,965 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-22 15:57:19,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-22 15:57:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-22 15:57:19,966 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-22 15:57:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-22 15:57:19,966 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-22 15:57:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2021-12-22 15:57:19,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2021-12-22 15:57:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-22 15:57:19,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-22 15:57:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2021-12-22 15:57:19,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2021-12-22 15:57:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-22 15:57:19,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-22 15:57:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:57:19,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:57:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 15:57:19,967 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 15:57:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2021-12-22 15:57:19,968 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2021-12-22 15:57:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_close [2021-12-22 15:57:19,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_close [2021-12-22 15:57:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-22 15:57:19,970 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-22 15:57:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-22 15:57:19,970 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-22 15:57:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-22 15:57:19,970 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-22 15:57:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-22 15:57:19,970 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-22 15:57:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:57:19,971 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-22 15:57:19,971 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-22 15:57:19,971 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-22 15:57:19,971 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-22 15:57:19,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:57:19,971 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-22 15:57:19,971 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-22 15:57:19,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:57:19,971 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:57:19,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:57:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-22 15:57:19,972 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-22 15:57:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 15:57:19,972 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 15:57:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:57:19,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:57:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 15:57:19,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 15:57:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2021-12-22 15:57:19,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2021-12-22 15:57:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2021-12-22 15:57:19,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2021-12-22 15:57:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-22 15:57:19,973 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-22 15:57:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-12-22 15:57:19,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-12-22 15:57:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-22 15:57:19,974 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-22 15:57:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 15:57:19,974 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 15:57:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-22 15:57:19,974 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-22 15:57:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:57:19,974 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:57:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2021-12-22 15:57:19,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2021-12-22 15:57:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-22 15:57:19,975 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-22 15:57:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:57:19,975 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:57:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:57:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2021-12-22 15:57:19,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2021-12-22 15:57:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:57:19,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:57:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2021-12-22 15:57:19,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2021-12-22 15:57:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-22 15:57:19,979 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-22 15:57:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2021-12-22 15:57:19,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2021-12-22 15:57:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-22 15:57:19,979 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-22 15:57:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-22 15:57:19,980 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-22 15:57:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2021-12-22 15:57:19,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2021-12-22 15:57:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-12-22 15:57:19,981 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-12-22 15:57:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-22 15:57:19,981 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-22 15:57:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2021-12-22 15:57:19,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2021-12-22 15:57:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2021-12-22 15:57:19,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2021-12-22 15:57:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2021-12-22 15:57:19,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2021-12-22 15:57:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2021-12-22 15:57:19,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2021-12-22 15:57:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2021-12-22 15:57:19,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2021-12-22 15:57:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:57:19,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:57:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-22 15:57:19,983 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-22 15:57:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-22 15:57:19,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-22 15:57:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-22 15:57:19,983 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-22 15:57:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-22 15:57:19,983 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-22 15:57:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:57:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:57:19,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:57:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-22 15:57:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2021-12-22 15:57:19,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2021-12-22 15:57:21,084 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:57:21,087 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:57:21,259 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:57:44,203 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:57:44,230 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:57:44,231 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 15:57:44,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:57:44 BoogieIcfgContainer [2021-12-22 15:57:44,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:57:44,236 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:57:44,236 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:57:44,239 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:57:44,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:57:14" (1/3) ... [2021-12-22 15:57:44,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dd48a51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:57:44, skipping insertion in model container [2021-12-22 15:57:44,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:18" (2/3) ... [2021-12-22 15:57:44,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dd48a51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:57:44, skipping insertion in model container [2021-12-22 15:57:44,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:57:44" (3/3) ... [2021-12-22 15:57:44,241 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2021-12-22 15:57:44,246 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:57:44,246 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-22 15:57:44,297 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:57:44,311 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 [2021-12-22 15:57:44,311 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-22 15:57:44,372 INFO L276 IsEmpty]: Start isEmpty. Operand has 3089 states, 2061 states have (on average 1.2518195050946144) internal successors, (2580), 2105 states have internal predecessors, (2580), 891 states have call successors, (891), 135 states have call predecessors, (891), 134 states have return successors, (887), 874 states have call predecessors, (887), 887 states have call successors, (887) [2021-12-22 15:57:44,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-12-22 15:57:44,384 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:57:44,385 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:57:44,386 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:57:44,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:57:44,390 INFO L85 PathProgramCache]: Analyzing trace with hash 876043152, now seen corresponding path program 1 times [2021-12-22 15:57:44,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:57:44,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154736483] [2021-12-22 15:57:44,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:57:44,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:57:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:45,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:57:45,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:45,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 15:57:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:45,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-22 15:57:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:45,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:45,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:45,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:57:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:45,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:57:45,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:45,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 15:57:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:45,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:45,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:45,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:57:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:45,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:57:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:45,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-22 15:57:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:45,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:45,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:57:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:45,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:57:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:45,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:57:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:45,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-22 15:57:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:45,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-22 15:57:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:45,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:45,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-22 15:57:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:45,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:57:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:45,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-22 15:57:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:45,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-22 15:57:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:45,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-22 15:57:45,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:45,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-22 15:57:45,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:45,493 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2021-12-22 15:57:45,493 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:57:45,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154736483] [2021-12-22 15:57:45,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154736483] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:57:45,495 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:57:45,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 15:57:45,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958541088] [2021-12-22 15:57:45,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:57:45,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 15:57:45,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:57:45,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 15:57:45,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:57:45,532 INFO L87 Difference]: Start difference. First operand has 3089 states, 2061 states have (on average 1.2518195050946144) internal successors, (2580), 2105 states have internal predecessors, (2580), 891 states have call successors, (891), 135 states have call predecessors, (891), 134 states have return successors, (887), 874 states have call predecessors, (887), 887 states have call successors, (887) Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-22 15:57:59,034 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 [] [2021-12-22 15:57:59,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:57:59,307 INFO L93 Difference]: Finished difference Result 6289 states and 9002 transitions. [2021-12-22 15:57:59,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 15:57:59,310 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 163 [2021-12-22 15:57:59,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:57:59,363 INFO L225 Difference]: With dead ends: 6289 [2021-12-22 15:57:59,363 INFO L226 Difference]: Without dead ends: 3159 [2021-12-22 15:57:59,388 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:57:59,391 INFO L933 BasicCegarLoop]: 4021 mSDtfsCounter, 4234 mSDsluCounter, 3642 mSDsCounter, 0 mSdLazyCounter, 3455 mSolverCounterSat, 1867 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4740 SdHoareTripleChecker+Valid, 7663 SdHoareTripleChecker+Invalid, 5323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1867 IncrementalHoareTripleChecker+Valid, 3455 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2021-12-22 15:57:59,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4740 Valid, 7663 Invalid, 5323 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1867 Valid, 3455 Invalid, 1 Unknown, 0 Unchecked, 13.0s Time] [2021-12-22 15:57:59,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3159 states. [2021-12-22 15:57:59,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3159 to 3019. [2021-12-22 15:57:59,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3019 states, 2024 states have (on average 1.240612648221344) internal successors, (2511), 2065 states have internal predecessors, (2511), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2021-12-22 15:57:59,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3019 states to 3019 states and 4233 transitions. [2021-12-22 15:57:59,643 INFO L78 Accepts]: Start accepts. Automaton has 3019 states and 4233 transitions. Word has length 163 [2021-12-22 15:57:59,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:57:59,646 INFO L470 AbstractCegarLoop]: Abstraction has 3019 states and 4233 transitions. [2021-12-22 15:57:59,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-22 15:57:59,647 INFO L276 IsEmpty]: Start isEmpty. Operand 3019 states and 4233 transitions. [2021-12-22 15:57:59,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-12-22 15:57:59,656 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:57:59,657 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:57:59,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:57:59,657 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:57:59,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:57:59,658 INFO L85 PathProgramCache]: Analyzing trace with hash -2123784771, now seen corresponding path program 1 times [2021-12-22 15:57:59,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:57:59,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316537849] [2021-12-22 15:57:59,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:57:59,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:57:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:00,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:58:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:00,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 15:58:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:00,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-22 15:58:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:00,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:00,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:58:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:00,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:58:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:00,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 15:58:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:00,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:00,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:58:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:00,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:58:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:00,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-22 15:58:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:00,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:00,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:58:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:00,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:58:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:00,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:58:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:00,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-22 15:58:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:00,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-22 15:58:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:00,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:58:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:00,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-22 15:58:00,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:00,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:58:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:00,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-22 15:58:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:00,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-22 15:58:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:00,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-22 15:58:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:00,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-22 15:58:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:58:00,448 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2021-12-22 15:58:00,449 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:58:00,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316537849] [2021-12-22 15:58:00,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316537849] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:58:00,449 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:58:00,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:58:00,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2868742] [2021-12-22 15:58:00,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:58:00,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:58:00,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:58:00,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:58:00,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:58:00,451 INFO L87 Difference]: Start difference. First operand 3019 states and 4233 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18)