./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 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_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-ae00767 [2021-12-28 05:15:26,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 05:15:26,622 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 05:15:26,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 05:15:26,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 05:15:26,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 05:15:26,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 05:15:26,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 05:15:26,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 05:15:26,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 05:15:26,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 05:15:26,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 05:15:26,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 05:15:26,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 05:15:26,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 05:15:26,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 05:15:26,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 05:15:26,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 05:15:26,672 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 05:15:26,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 05:15:26,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 05:15:26,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 05:15:26,678 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 05:15:26,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 05:15:26,683 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 05:15:26,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 05:15:26,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 05:15:26,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 05:15:26,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 05:15:26,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 05:15:26,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 05:15:26,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 05:15:26,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 05:15:26,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 05:15:26,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 05:15:26,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 05:15:26,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 05:15:26,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 05:15:26,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 05:15:26,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 05:15:26,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 05:15:26,693 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 05:15:26,714 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 05:15:26,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 05:15:26,716 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 05:15:26,716 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 05:15:26,717 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 05:15:26,717 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 05:15:26,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 05:15:26,718 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 05:15:26,718 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 05:15:26,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 05:15:26,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 05:15:26,719 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 05:15:26,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 05:15:26,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 05:15:26,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 05:15:26,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 05:15:26,719 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 05:15:26,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 05:15:26,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 05:15:26,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 05:15:26,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 05:15:26,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:15:26,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 05:15:26,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 05:15:26,721 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 05:15:26,721 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 05:15:26,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 05:15:26,727 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 05:15:26,727 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 05:15:26,727 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 05:15:26,728 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81d3a41c14974620b49988c1780c7d5a75f04674e564d23c865943e8c9fe2089 [2021-12-28 05:15:26,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 05:15:26,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 05:15:26,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 05:15:26,965 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 05:15:26,966 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 05:15:26,967 INFO L432 ainManager$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 [2021-12-28 05:15:27,004 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26261f0d2/04dfb8306a1a4b419f8d3c72a7ed8b89/FLAG291a1c7a7 [2021-12-28 05:15:27,814 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 05:15:27,814 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 [2021-12-28 05:15:27,874 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26261f0d2/04dfb8306a1a4b419f8d3c72a7ed8b89/FLAG291a1c7a7 [2021-12-28 05:15:27,992 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26261f0d2/04dfb8306a1a4b419f8d3c72a7ed8b89 [2021-12-28 05:15:27,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 05:15:27,996 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 05:15:27,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 05:15:27,999 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 05:15:28,002 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 05:15:28,002 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:15:27" (1/1) ... [2021-12-28 05:15:28,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@359bd60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:15:28, skipping insertion in model container [2021-12-28 05:15:28,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:15:27" (1/1) ... [2021-12-28 05:15:28,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 05:15:28,208 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 05:15:32,240 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] [2021-12-28 05:15:32,242 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] [2021-12-28 05:15:32,269 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:15:32,307 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 05:15:32,620 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] [2021-12-28 05:15:32,621 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] [2021-12-28 05:15:32,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:15:32,817 INFO L208 MainTranslator]: Completed translation [2021-12-28 05:15:32,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:15:32 WrapperNode [2021-12-28 05:15:32,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 05:15:32,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 05:15:32,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 05:15:32,819 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 05:15:32,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:15:32" (1/1) ... [2021-12-28 05:15:32,945 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:15:32" (1/1) ... [2021-12-28 05:15:33,254 INFO L137 Inliner]: procedures = 574, calls = 6348, calls flagged for inlining = 279, calls inlined = 246, statements flattened = 12134 [2021-12-28 05:15:33,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 05:15:33,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 05:15:33,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 05:15:33,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 05:15:33,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:15:32" (1/1) ... [2021-12-28 05:15:33,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:15:32" (1/1) ... [2021-12-28 05:15:33,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:15:32" (1/1) ... [2021-12-28 05:15:33,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:15:32" (1/1) ... [2021-12-28 05:15:33,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:15:32" (1/1) ... [2021-12-28 05:15:33,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:15:32" (1/1) ... [2021-12-28 05:15:33,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:15:32" (1/1) ... [2021-12-28 05:15:33,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 05:15:33,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 05:15:33,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 05:15:33,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 05:15:33,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:15:32" (1/1) ... [2021-12-28 05:15:33,695 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:15:33,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 05:15:33,717 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 05:15:33,737 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 05:15:33,748 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-28 05:15:33,748 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-28 05:15:33,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 05:15:33,748 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 05:15:33,748 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 05:15:33,749 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 05:15:33,749 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2021-12-28 05:15:33,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2021-12-28 05:15:33,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 05:15:33,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 05:15:33,749 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2021-12-28 05:15:33,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2021-12-28 05:15:33,749 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-28 05:15:33,749 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-28 05:15:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 05:15:33,750 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 05:15:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-28 05:15:33,750 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-28 05:15:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-28 05:15:33,750 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-28 05:15:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2021-12-28 05:15:33,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2021-12-28 05:15:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2021-12-28 05:15:33,751 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2021-12-28 05:15:33,751 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2021-12-28 05:15:33,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2021-12-28 05:15:33,751 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2021-12-28 05:15:33,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2021-12-28 05:15:33,751 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-28 05:15:33,751 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-28 05:15:33,751 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2021-12-28 05:15:33,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2021-12-28 05:15:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2021-12-28 05:15:33,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2021-12-28 05:15:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 05:15:33,752 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 05:15:33,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 05:15:33,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 05:15:33,753 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-28 05:15:33,753 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-28 05:15:33,753 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-28 05:15:33,753 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-28 05:15:33,753 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_resume [2021-12-28 05:15:33,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_resume [2021-12-28 05:15:33,754 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 05:15:33,754 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 05:15:33,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 05:15:33,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 05:15:33,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 05:15:33,754 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-28 05:15:33,755 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-28 05:15:33,755 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2021-12-28 05:15:33,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2021-12-28 05:15:33,755 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-28 05:15:33,755 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-28 05:15:33,756 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2021-12-28 05:15:33,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2021-12-28 05:15:33,756 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 05:15:33,757 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 05:15:33,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 05:15:33,757 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2021-12-28 05:15:33,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2021-12-28 05:15:33,757 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2021-12-28 05:15:33,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2021-12-28 05:15:33,757 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 05:15:33,758 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 05:15:33,758 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2021-12-28 05:15:33,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2021-12-28 05:15:33,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 05:15:33,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 05:15:33,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 05:15:33,759 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2021-12-28 05:15:33,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2021-12-28 05:15:33,759 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2021-12-28 05:15:33,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2021-12-28 05:15:33,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 05:15:33,759 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2021-12-28 05:15:33,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2021-12-28 05:15:33,759 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 05:15:33,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 05:15:33,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-28 05:15:33,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-28 05:15:33,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 05:15:33,760 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 05:15:33,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-28 05:15:33,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-28 05:15:33,760 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-28 05:15:33,760 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-28 05:15:33,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-28 05:15:33,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-28 05:15:33,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-28 05:15:33,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-28 05:15:33,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-28 05:15:33,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-28 05:15:33,762 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2021-12-28 05:15:33,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2021-12-28 05:15:33,762 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-28 05:15:33,762 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-28 05:15:33,762 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 05:15:33,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 05:15:33,763 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2021-12-28 05:15:33,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2021-12-28 05:15:33,763 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2021-12-28 05:15:33,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2021-12-28 05:15:33,763 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2021-12-28 05:15:33,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2021-12-28 05:15:33,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 05:15:33,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-28 05:15:33,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-28 05:15:33,764 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-28 05:15:33,764 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-28 05:15:33,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 05:15:33,764 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-28 05:15:33,764 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-28 05:15:33,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 05:15:33,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 05:15:33,765 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 05:15:33,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 05:15:33,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 05:15:33,767 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 05:15:33,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 05:15:33,768 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2021-12-28 05:15:33,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2021-12-28 05:15:33,769 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2021-12-28 05:15:33,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2021-12-28 05:15:33,769 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 05:15:33,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 05:15:33,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-28 05:15:33,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-28 05:15:33,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-28 05:15:33,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-28 05:15:33,774 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_remove [2021-12-28 05:15:33,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_remove [2021-12-28 05:15:33,774 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-28 05:15:33,774 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-28 05:15:33,774 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2021-12-28 05:15:33,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2021-12-28 05:15:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2021-12-28 05:15:33,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2021-12-28 05:15:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2021-12-28 05:15:33,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2021-12-28 05:15:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-28 05:15:33,775 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-28 05:15:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 05:15:33,775 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 05:15:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-28 05:15:33,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-28 05:15:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2021-12-28 05:15:33,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2021-12-28 05:15:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2021-12-28 05:15:33,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2021-12-28 05:15:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2021-12-28 05:15:33,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2021-12-28 05:15:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-28 05:15:33,776 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-28 05:15:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-28 05:15:33,776 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-28 05:15:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_open [2021-12-28 05:15:33,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_open [2021-12-28 05:15:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 05:15:33,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 05:15:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-28 05:15:33,777 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-28 05:15:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-28 05:15:33,777 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-28 05:15:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 05:15:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 05:15:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 05:15:33,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 05:15:33,778 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 05:15:33,778 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 05:15:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-28 05:15:33,778 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-28 05:15:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-28 05:15:33,778 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-28 05:15:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2021-12-28 05:15:33,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2021-12-28 05:15:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-28 05:15:33,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-28 05:15:33,779 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2021-12-28 05:15:33,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2021-12-28 05:15:33,779 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-28 05:15:33,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-28 05:15:33,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 05:15:33,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 05:15:33,779 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 05:15:33,779 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 05:15:33,779 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2021-12-28 05:15:33,780 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2021-12-28 05:15:33,780 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_close [2021-12-28 05:15:33,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_close [2021-12-28 05:15:33,781 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-28 05:15:33,781 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-28 05:15:33,781 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-28 05:15:33,781 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-28 05:15:33,781 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-28 05:15:33,781 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-28 05:15:33,782 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-28 05:15:33,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-28 05:15:33,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 05:15:33,782 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-28 05:15:33,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-28 05:15:33,782 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-28 05:15:33,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-28 05:15:33,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 05:15:33,782 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-28 05:15:33,782 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-28 05:15:33,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 05:15:33,783 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-28 05:15:33,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-28 05:15:33,783 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-28 05:15:33,783 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-28 05:15:33,783 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 05:15:33,783 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 05:15:33,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 05:15:33,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 05:15:33,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-28 05:15:33,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-28 05:15:33,784 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2021-12-28 05:15:33,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2021-12-28 05:15:33,784 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2021-12-28 05:15:33,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2021-12-28 05:15:33,784 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-28 05:15:33,784 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-28 05:15:33,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-12-28 05:15:33,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-12-28 05:15:33,784 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-28 05:15:33,785 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-28 05:15:33,785 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 05:15:33,785 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 05:15:33,785 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-28 05:15:33,785 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-28 05:15:33,785 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 05:15:33,785 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 05:15:33,785 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2021-12-28 05:15:33,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2021-12-28 05:15:33,785 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-28 05:15:33,786 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-28 05:15:33,786 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 05:15:33,786 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 05:15:33,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 05:15:33,786 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2021-12-28 05:15:33,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2021-12-28 05:15:33,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 05:15:33,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 05:15:33,790 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2021-12-28 05:15:33,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2021-12-28 05:15:33,790 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-28 05:15:33,790 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-28 05:15:33,790 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2021-12-28 05:15:33,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2021-12-28 05:15:33,790 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-28 05:15:33,790 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-28 05:15:33,790 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-28 05:15:33,791 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-28 05:15:33,791 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2021-12-28 05:15:33,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2021-12-28 05:15:33,791 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-12-28 05:15:33,792 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-12-28 05:15:33,792 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-28 05:15:33,792 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-28 05:15:33,792 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2021-12-28 05:15:33,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2021-12-28 05:15:33,792 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2021-12-28 05:15:33,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2021-12-28 05:15:33,792 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2021-12-28 05:15:33,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2021-12-28 05:15:33,792 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2021-12-28 05:15:33,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2021-12-28 05:15:33,793 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2021-12-28 05:15:33,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2021-12-28 05:15:33,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 05:15:33,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 05:15:33,793 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-28 05:15:33,793 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-28 05:15:33,793 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 05:15:33,793 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 05:15:33,793 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-28 05:15:33,793 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-28 05:15:33,793 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-28 05:15:33,794 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-28 05:15:33,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 05:15:33,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 05:15:33,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 05:15:33,794 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-28 05:15:33,794 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2021-12-28 05:15:33,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2021-12-28 05:15:34,860 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 05:15:34,865 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 05:15:35,096 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 05:15:56,770 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 05:15:56,784 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 05:15:56,785 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-28 05:15:56,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:15:56 BoogieIcfgContainer [2021-12-28 05:15:56,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 05:15:56,791 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 05:15:56,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 05:15:56,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 05:15:56,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 05:15:27" (1/3) ... [2021-12-28 05:15:56,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2ed185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:15:56, skipping insertion in model container [2021-12-28 05:15:56,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:15:32" (2/3) ... [2021-12-28 05:15:56,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2ed185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:15:56, skipping insertion in model container [2021-12-28 05:15:56,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:15:56" (3/3) ... [2021-12-28 05:15:56,795 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2021-12-28 05:15:56,798 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 05:15:56,799 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-28 05:15:56,846 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 05:15:56,853 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 05:15:56,853 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-28 05:15:56,905 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) [2021-12-28 05:15:56,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-12-28 05:15:56,923 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:15:56,924 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] [2021-12-28 05:15:56,925 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 05:15:56,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:15:56,928 INFO L85 PathProgramCache]: Analyzing trace with hash 876043152, now seen corresponding path program 1 times [2021-12-28 05:15:56,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:15:56,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722855755] [2021-12-28 05:15:56,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:15:56,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:15:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:57,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-28 05:15:57,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:57,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:15:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:57,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-28 05:15:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:57,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:15:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:57,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:15:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:57,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:15:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:57,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 05:15:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:57,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:15:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:57,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:15:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:57,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:15:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:57,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-28 05:15:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:57,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:15:57,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:57,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:15:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:57,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:15:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:57,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:15:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:57,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-28 05:15:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:57,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-28 05:15:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:57,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:15:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:57,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-28 05:15:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:57,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:15:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:57,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-28 05:15:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:57,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-28 05:15:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:58,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-28 05:15:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:58,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-28 05:15:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:15:58,047 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2021-12-28 05:15:58,047 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:15:58,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722855755] [2021-12-28 05:15:58,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722855755] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:15:58,048 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:15:58,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 05:15:58,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977088509] [2021-12-28 05:15:58,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:15:58,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 05:15:58,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:15:58,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 05:15:58,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:15:58,074 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) [2021-12-28 05:16:12,077 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:16:12,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:16:12,410 INFO L93 Difference]: Finished difference Result 6289 states and 9002 transitions. [2021-12-28 05:16:12,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-28 05:16:12,413 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 [2021-12-28 05:16:12,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:16:12,456 INFO L225 Difference]: With dead ends: 6289 [2021-12-28 05:16:12,456 INFO L226 Difference]: Without dead ends: 3159 [2021-12-28 05:16:12,484 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 [2021-12-28 05:16:12,490 INFO L933 BasicCegarLoop]: 4023 mSDtfsCounter, 4234 mSDsluCounter, 3644 mSDsCounter, 0 mSdLazyCounter, 3457 mSolverCounterSat, 1867 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4738 SdHoareTripleChecker+Valid, 7667 SdHoareTripleChecker+Invalid, 5325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1867 IncrementalHoareTripleChecker+Valid, 3457 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2021-12-28 05:16:12,491 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4738 Valid, 7667 Invalid, 5325 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1867 Valid, 3457 Invalid, 1 Unknown, 0 Unchecked, 13.6s Time] [2021-12-28 05:16:12,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3159 states. [2021-12-28 05:16:12,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3159 to 3019. [2021-12-28 05:16:12,732 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) [2021-12-28 05:16:12,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3019 states to 3019 states and 4233 transitions. [2021-12-28 05:16:12,755 INFO L78 Accepts]: Start accepts. Automaton has 3019 states and 4233 transitions. Word has length 163 [2021-12-28 05:16:12,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:16:12,758 INFO L470 AbstractCegarLoop]: Abstraction has 3019 states and 4233 transitions. [2021-12-28 05:16:12,758 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) [2021-12-28 05:16:12,759 INFO L276 IsEmpty]: Start isEmpty. Operand 3019 states and 4233 transitions. [2021-12-28 05:16:12,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-12-28 05:16:12,767 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:16:12,768 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] [2021-12-28 05:16:12,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 05:16:12,769 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 05:16:12,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:16:12,769 INFO L85 PathProgramCache]: Analyzing trace with hash -2123784771, now seen corresponding path program 1 times [2021-12-28 05:16:12,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:16:12,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383652383] [2021-12-28 05:16:12,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:16:12,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:16:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:13,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-28 05:16:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:13,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:16:13,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:13,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-28 05:16:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:13,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:16:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:13,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:16:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:13,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:16:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:13,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 05:16:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:13,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:16:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:13,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:16:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:13,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:16:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:13,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-28 05:16:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:13,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:16:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:13,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:16:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:13,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:16:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:13,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:16:13,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:13,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-28 05:16:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:13,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-28 05:16:13,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:13,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:16:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:13,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-28 05:16:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:13,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:16:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:13,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-28 05:16:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:13,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-28 05:16:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:13,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-28 05:16:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:13,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-28 05:16:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:16:13,680 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2021-12-28 05:16:13,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:16:13,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383652383] [2021-12-28 05:16:13,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383652383] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:16:13,681 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:16:13,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:16:13,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3203668] [2021-12-28 05:16:13,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:16:13,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:16:13,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:16:13,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:16:13,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:16:13,683 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)