./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 839c364b 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 19:03:10,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 19:03:10,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 19:03:10,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 19:03:10,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 19:03:10,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 19:03:10,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 19:03:10,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 19:03:10,611 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 19:03:10,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 19:03:10,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 19:03:10,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 19:03:10,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 19:03:10,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 19:03:10,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 19:03:10,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 19:03:10,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 19:03:10,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 19:03:10,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 19:03:10,628 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 19:03:10,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 19:03:10,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 19:03:10,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 19:03:10,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 19:03:10,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 19:03:10,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 19:03:10,639 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 19:03:10,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 19:03:10,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 19:03:10,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 19:03:10,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 19:03:10,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 19:03:10,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 19:03:10,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 19:03:10,644 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 19:03:10,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 19:03:10,645 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 19:03:10,645 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 19:03:10,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 19:03:10,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 19:03:10,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 19:03:10,648 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 19:03:10,669 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 19:03:10,671 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 19:03:10,672 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 19:03:10,672 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 19:03:10,672 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 19:03:10,673 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 19:03:10,673 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 19:03:10,673 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 19:03:10,673 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 19:03:10,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 19:03:10,674 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 19:03:10,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 19:03:10,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 19:03:10,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 19:03:10,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 19:03:10,675 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 19:03:10,675 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 19:03:10,675 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 19:03:10,675 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 19:03:10,676 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 19:03:10,676 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 19:03:10,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 19:03:10,676 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 19:03:10,676 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 19:03:10,676 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 19:03:10,676 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 19:03:10,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 19:03:10,677 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 19:03:10,678 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 19:03:10,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 19:03:10,678 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 19:03:10,678 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81d3a41c14974620b49988c1780c7d5a75f04674e564d23c865943e8c9fe2089 [2021-12-14 19:03:10,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 19:03:10,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 19:03:10,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 19:03:10,895 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 19:03:10,895 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 19:03:10,896 INFO L432 ainManager$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 [2021-12-14 19:03:10,955 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a325bfc18/f5e7488ea4034a42b407475f0bf4d449/FLAGed83e3ad4 [2021-12-14 19:03:11,669 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 19:03:11,670 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 [2021-12-14 19:03:11,714 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a325bfc18/f5e7488ea4034a42b407475f0bf4d449/FLAGed83e3ad4 [2021-12-14 19:03:12,188 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a325bfc18/f5e7488ea4034a42b407475f0bf4d449 [2021-12-14 19:03:12,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 19:03:12,191 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 19:03:12,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 19:03:12,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 19:03:12,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 19:03:12,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:03:12" (1/1) ... [2021-12-14 19:03:12,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79812e96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:03:12, skipping insertion in model container [2021-12-14 19:03:12,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:03:12" (1/1) ... [2021-12-14 19:03:12,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 19:03:12,335 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 19:03:16,320 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] [2021-12-14 19:03:16,322 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] [2021-12-14 19:03:16,348 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 19:03:16,397 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 19:03:16,771 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] [2021-12-14 19:03:16,771 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] [2021-12-14 19:03:16,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 19:03:16,959 INFO L208 MainTranslator]: Completed translation [2021-12-14 19:03:16,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:03:16 WrapperNode [2021-12-14 19:03:16,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 19:03:16,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 19:03:16,961 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 19:03:16,961 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 19:03:16,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:03:16" (1/1) ... [2021-12-14 19:03:17,104 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:03:16" (1/1) ... [2021-12-14 19:03:17,327 INFO L137 Inliner]: procedures = 574, calls = 6348, calls flagged for inlining = 279, calls inlined = 246, statements flattened = 12134 [2021-12-14 19:03:17,328 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 19:03:17,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 19:03:17,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 19:03:17,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 19:03:17,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:03:16" (1/1) ... [2021-12-14 19:03:17,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:03:16" (1/1) ... [2021-12-14 19:03:17,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:03:16" (1/1) ... [2021-12-14 19:03:17,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:03:16" (1/1) ... [2021-12-14 19:03:17,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:03:16" (1/1) ... [2021-12-14 19:03:17,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:03:16" (1/1) ... [2021-12-14 19:03:17,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:03:16" (1/1) ... [2021-12-14 19:03:17,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 19:03:17,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 19:03:17,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 19:03:17,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 19:03:17,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:03:16" (1/1) ... [2021-12-14 19:03:17,745 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 19:03:17,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 19:03:17,762 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) [2021-12-14 19:03:17,776 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 [2021-12-14 19:03:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-14 19:03:17,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-14 19:03:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 19:03:17,785 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 19:03:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-14 19:03:17,786 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-14 19:03:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2021-12-14 19:03:17,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2021-12-14 19:03:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 19:03:17,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 19:03:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2021-12-14 19:03:17,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2021-12-14 19:03:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-14 19:03:17,787 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-14 19:03:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 19:03:17,787 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 19:03:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-14 19:03:17,787 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-14 19:03:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 19:03:17,787 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 19:03:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2021-12-14 19:03:17,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2021-12-14 19:03:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2021-12-14 19:03:17,788 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2021-12-14 19:03:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2021-12-14 19:03:17,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2021-12-14 19:03:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2021-12-14 19:03:17,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2021-12-14 19:03:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-14 19:03:17,788 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-14 19:03:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2021-12-14 19:03:17,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2021-12-14 19:03:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2021-12-14 19:03:17,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2021-12-14 19:03:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 19:03:17,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 19:03:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 19:03:17,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 19:03:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-14 19:03:17,790 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-14 19:03:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-14 19:03:17,790 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-14 19:03:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_resume [2021-12-14 19:03:17,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_resume [2021-12-14 19:03:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-14 19:03:17,790 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-14 19:03:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 19:03:17,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 19:03:17,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 19:03:17,791 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-14 19:03:17,791 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-14 19:03:17,791 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2021-12-14 19:03:17,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2021-12-14 19:03:17,791 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 19:03:17,791 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 19:03:17,791 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2021-12-14 19:03:17,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2021-12-14 19:03:17,792 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 19:03:17,792 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 19:03:17,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 19:03:17,792 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2021-12-14 19:03:17,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2021-12-14 19:03:17,792 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2021-12-14 19:03:17,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2021-12-14 19:03:17,792 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 19:03:17,793 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 19:03:17,793 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2021-12-14 19:03:17,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2021-12-14 19:03:17,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 19:03:17,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 19:03:17,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 19:03:17,793 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2021-12-14 19:03:17,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2021-12-14 19:03:17,793 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2021-12-14 19:03:17,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2021-12-14 19:03:17,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 19:03:17,794 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2021-12-14 19:03:17,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2021-12-14 19:03:17,794 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 19:03:17,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 19:03:17,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-14 19:03:17,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-14 19:03:17,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 19:03:17,795 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 19:03:17,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-14 19:03:17,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-14 19:03:17,795 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-14 19:03:17,795 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-14 19:03:17,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-14 19:03:17,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-14 19:03:17,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-14 19:03:17,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-14 19:03:17,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-14 19:03:17,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-14 19:03:17,796 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2021-12-14 19:03:17,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2021-12-14 19:03:17,796 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-14 19:03:17,796 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-14 19:03:17,796 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 19:03:17,796 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 19:03:17,796 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2021-12-14 19:03:17,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2021-12-14 19:03:17,797 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2021-12-14 19:03:17,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2021-12-14 19:03:17,797 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2021-12-14 19:03:17,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2021-12-14 19:03:17,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 19:03:17,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-14 19:03:17,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-14 19:03:17,797 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-14 19:03:17,797 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-14 19:03:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 19:03:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-14 19:03:17,798 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-14 19:03:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 19:03:17,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 19:03:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 19:03:17,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 19:03:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 19:03:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 19:03:17,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 19:03:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2021-12-14 19:03:17,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2021-12-14 19:03:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2021-12-14 19:03:17,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2021-12-14 19:03:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 19:03:17,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 19:03:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-14 19:03:17,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-14 19:03:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-14 19:03:17,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-14 19:03:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_remove [2021-12-14 19:03:17,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_remove [2021-12-14 19:03:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-14 19:03:17,800 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-14 19:03:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2021-12-14 19:03:17,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2021-12-14 19:03:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2021-12-14 19:03:17,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2021-12-14 19:03:17,801 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2021-12-14 19:03:17,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2021-12-14 19:03:17,801 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-14 19:03:17,801 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-14 19:03:17,801 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 19:03:17,801 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 19:03:17,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-14 19:03:17,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-14 19:03:17,801 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2021-12-14 19:03:17,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2021-12-14 19:03:17,802 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2021-12-14 19:03:17,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2021-12-14 19:03:17,802 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2021-12-14 19:03:17,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2021-12-14 19:03:17,802 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-14 19:03:17,802 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-14 19:03:17,802 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 19:03:17,802 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 19:03:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_open [2021-12-14 19:03:17,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_open [2021-12-14 19:03:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 19:03:17,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 19:03:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-14 19:03:17,803 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-14 19:03:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-14 19:03:17,803 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-14 19:03:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 19:03:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 19:03:17,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 19:03:17,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 19:03:17,804 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-14 19:03:17,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-14 19:03:17,804 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-14 19:03:17,804 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-14 19:03:17,804 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-14 19:03:17,804 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-14 19:03:17,804 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2021-12-14 19:03:17,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2021-12-14 19:03:17,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-14 19:03:17,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-14 19:03:17,805 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2021-12-14 19:03:17,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2021-12-14 19:03:17,805 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-14 19:03:17,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-14 19:03:17,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 19:03:17,805 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 19:03:17,805 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 19:03:17,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 19:03:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2021-12-14 19:03:17,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2021-12-14 19:03:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_close [2021-12-14 19:03:17,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_close [2021-12-14 19:03:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-14 19:03:17,806 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-14 19:03:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-14 19:03:17,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-14 19:03:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-14 19:03:17,807 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-14 19:03:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-14 19:03:17,807 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-14 19:03:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 19:03:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-14 19:03:17,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-14 19:03:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-14 19:03:17,807 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-14 19:03:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 19:03:17,808 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-14 19:03:17,808 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-14 19:03:17,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 19:03:17,808 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-14 19:03:17,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-14 19:03:17,808 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-14 19:03:17,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-14 19:03:17,808 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 19:03:17,808 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 19:03:17,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 19:03:17,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 19:03:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 19:03:17,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 19:03:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2021-12-14 19:03:17,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2021-12-14 19:03:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2021-12-14 19:03:17,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2021-12-14 19:03:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-14 19:03:17,809 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-14 19:03:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-12-14 19:03:17,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-12-14 19:03:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-14 19:03:17,810 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-14 19:03:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 19:03:17,810 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 19:03:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-14 19:03:17,810 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-14 19:03:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 19:03:17,810 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 19:03:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2021-12-14 19:03:17,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2021-12-14 19:03:17,811 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-14 19:03:17,811 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-14 19:03:17,811 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 19:03:17,811 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 19:03:17,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 19:03:17,811 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2021-12-14 19:03:17,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2021-12-14 19:03:17,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 19:03:17,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 19:03:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2021-12-14 19:03:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2021-12-14 19:03:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-14 19:03:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-14 19:03:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2021-12-14 19:03:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2021-12-14 19:03:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-14 19:03:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-14 19:03:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-14 19:03:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-14 19:03:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2021-12-14 19:03:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2021-12-14 19:03:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-12-14 19:03:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-12-14 19:03:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-14 19:03:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-14 19:03:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2021-12-14 19:03:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2021-12-14 19:03:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2021-12-14 19:03:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2021-12-14 19:03:17,814 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2021-12-14 19:03:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2021-12-14 19:03:17,814 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2021-12-14 19:03:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2021-12-14 19:03:17,814 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2021-12-14 19:03:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2021-12-14 19:03:17,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 19:03:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 19:03:17,814 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-14 19:03:17,815 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-14 19:03:17,815 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-14 19:03:17,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-14 19:03:17,815 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-14 19:03:17,815 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-14 19:03:17,815 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-14 19:03:17,815 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-14 19:03:17,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 19:03:17,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 19:03:17,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 19:03:17,816 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-14 19:03:17,816 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2021-12-14 19:03:17,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2021-12-14 19:03:18,892 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 19:03:18,895 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 19:03:19,156 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 19:03:42,363 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 19:03:42,398 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 19:03:42,399 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-14 19:03:42,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:03:42 BoogieIcfgContainer [2021-12-14 19:03:42,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 19:03:42,405 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 19:03:42,405 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 19:03:42,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 19:03:42,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:03:12" (1/3) ... [2021-12-14 19:03:42,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ebb5e40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:03:42, skipping insertion in model container [2021-12-14 19:03:42,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:03:16" (2/3) ... [2021-12-14 19:03:42,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ebb5e40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:03:42, skipping insertion in model container [2021-12-14 19:03:42,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:03:42" (3/3) ... [2021-12-14 19:03:42,410 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2021-12-14 19:03:42,426 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 19:03:42,427 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-14 19:03:42,494 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 19:03:42,501 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 [2021-12-14 19:03:42,501 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-14 19:03:42,573 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) [2021-12-14 19:03:42,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-12-14 19:03:42,591 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:03:42,592 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] [2021-12-14 19:03:42,593 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 19:03:42,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:03:42,598 INFO L85 PathProgramCache]: Analyzing trace with hash 876043152, now seen corresponding path program 1 times [2021-12-14 19:03:42,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:03:42,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644573992] [2021-12-14 19:03:42,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:03:42,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:03:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:43,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 19:03:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:43,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:03:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:43,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 19:03:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:43,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:43,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:03:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:43,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:03:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:43,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 19:03:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:43,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:43,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:03:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:43,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:03:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:43,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-14 19:03:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:43,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:03:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:03:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 19:03:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-14 19:03:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-14 19:03:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-14 19:03:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 19:03:44,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-14 19:03:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-14 19:03:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-14 19:03:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-14 19:03:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:44,216 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2021-12-14 19:03:44,216 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:03:44,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644573992] [2021-12-14 19:03:44,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644573992] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:03:44,217 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:03:44,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 19:03:44,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635461546] [2021-12-14 19:03:44,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:03:44,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 19:03:44,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:03:44,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 19:03:44,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 19:03:44,271 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) [2021-12-14 19:04:01,477 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 [] [2021-12-14 19:04:01,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:04:01,828 INFO L93 Difference]: Finished difference Result 6289 states and 9002 transitions. [2021-12-14 19:04:01,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 19:04:01,831 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 [2021-12-14 19:04:01,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:04:01,878 INFO L225 Difference]: With dead ends: 6289 [2021-12-14 19:04:01,879 INFO L226 Difference]: Without dead ends: 3159 [2021-12-14 19:04:01,910 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 [2021-12-14 19:04:01,912 INFO L933 BasicCegarLoop]: 4021 mSDtfsCounter, 4234 mSDsluCounter, 3642 mSDsCounter, 0 mSdLazyCounter, 3455 mSolverCounterSat, 1867 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4740 SdHoareTripleChecker+Valid, 7663 SdHoareTripleChecker+Invalid, 5323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1867 IncrementalHoareTripleChecker+Valid, 3455 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2021-12-14 19:04:01,913 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4740 Valid, 7663 Invalid, 5323 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1867 Valid, 3455 Invalid, 1 Unknown, 0 Unchecked, 16.7s Time] [2021-12-14 19:04:01,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3159 states. [2021-12-14 19:04:02,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3159 to 3019. [2021-12-14 19:04:02,212 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) [2021-12-14 19:04:02,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3019 states to 3019 states and 4233 transitions. [2021-12-14 19:04:02,251 INFO L78 Accepts]: Start accepts. Automaton has 3019 states and 4233 transitions. Word has length 163 [2021-12-14 19:04:02,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:04:02,255 INFO L470 AbstractCegarLoop]: Abstraction has 3019 states and 4233 transitions. [2021-12-14 19:04:02,256 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) [2021-12-14 19:04:02,256 INFO L276 IsEmpty]: Start isEmpty. Operand 3019 states and 4233 transitions. [2021-12-14 19:04:02,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-12-14 19:04:02,265 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:04:02,265 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] [2021-12-14 19:04:02,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 19:04:02,266 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 19:04:02,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:04:02,267 INFO L85 PathProgramCache]: Analyzing trace with hash -2123784771, now seen corresponding path program 1 times [2021-12-14 19:04:02,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:04:02,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241071013] [2021-12-14 19:04:02,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:04:02,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:04:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:02,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 19:04:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:02,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:04:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:02,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 19:04:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:02,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:02,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:04:02,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:02,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:04:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:02,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 19:04:02,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:02,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:02,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:04:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:02,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:04:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:02,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-14 19:04:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:02,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:02,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:04:02,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:02,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:04:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:02,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 19:04:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:03,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-14 19:04:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:03,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-14 19:04:03,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:03,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:04:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:03,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-14 19:04:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:03,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 19:04:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:03,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-14 19:04:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:03,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-14 19:04:03,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:03,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-14 19:04:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:03,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-14 19:04:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:04:03,439 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2021-12-14 19:04:03,440 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:04:03,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241071013] [2021-12-14 19:04:03,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241071013] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:04:03,440 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:04:03,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:04:03,440 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358237257] [2021-12-14 19:04:03,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:04:03,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:04:03,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:04:03,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:04:03,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:04:03,443 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)