./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_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_complex_emg_linux-usb-dev_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 484c71f67ef44adda28419ba4f7367133d47a44b7b25589681c020e12726250b --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 19:02:34,443 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 19:02:34,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 19:02:34,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 19:02:34,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 19:02:34,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 19:02:34,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 19:02:34,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 19:02:34,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 19:02:34,508 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 19:02:34,508 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 19:02:34,509 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 19:02:34,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 19:02:34,511 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 19:02:34,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 19:02:34,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 19:02:34,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 19:02:34,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 19:02:34,519 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 19:02:34,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 19:02:34,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 19:02:34,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 19:02:34,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 19:02:34,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 19:02:34,528 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 19:02:34,529 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 19:02:34,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 19:02:34,531 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 19:02:34,531 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 19:02:34,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 19:02:34,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 19:02:34,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 19:02:34,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 19:02:34,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 19:02:34,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 19:02:34,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 19:02:34,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 19:02:34,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 19:02:34,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 19:02:34,537 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 19:02:34,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 19:02:34,539 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 19:02:34,563 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 19:02:34,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 19:02:34,563 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 19:02:34,564 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 19:02:34,564 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 19:02:34,564 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 19:02:34,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 19:02:34,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 19:02:34,565 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 19:02:34,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 19:02:34,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 19:02:34,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 19:02:34,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 19:02:34,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 19:02:34,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 19:02:34,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 19:02:34,567 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 19:02:34,567 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 19:02:34,567 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 19:02:34,567 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 19:02:34,568 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 19:02:34,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 19:02:34,568 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 19:02:34,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 19:02:34,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 19:02:34,568 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 19:02:34,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 19:02:34,569 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 19:02:34,570 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 19:02:34,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 19:02:34,570 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 19:02:34,570 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 484c71f67ef44adda28419ba4f7367133d47a44b7b25589681c020e12726250b [2021-12-14 19:02:34,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 19:02:34,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 19:02:34,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 19:02:34,750 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 19:02:34,751 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 19:02:34,752 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2021-12-14 19:02:34,803 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9c9873c8/000a5c5822914136a144ac19de706f4b/FLAG333efc98e [2021-12-14 19:02:35,490 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 19:02:35,491 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2021-12-14 19:02:35,536 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9c9873c8/000a5c5822914136a144ac19de706f4b/FLAG333efc98e [2021-12-14 19:02:35,821 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9c9873c8/000a5c5822914136a144ac19de706f4b [2021-12-14 19:02:35,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 19:02:35,824 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 19:02:35,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 19:02:35,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 19:02:35,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 19:02:35,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:02:35" (1/1) ... [2021-12-14 19:02:35,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@329cd2c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:35, skipping insertion in model container [2021-12-14 19:02:35,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:02:35" (1/1) ... [2021-12-14 19:02:35,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 19:02:35,946 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 19:02:38,584 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[486836,486849] [2021-12-14 19:02:38,586 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[486983,486996] [2021-12-14 19:02:38,587 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[487122,487135] [2021-12-14 19:02:38,588 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[487280,487293] [2021-12-14 19:02:38,614 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 19:02:38,669 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 19:02:38,994 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[486836,486849] [2021-12-14 19:02:38,995 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[486983,486996] [2021-12-14 19:02:38,995 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[487122,487135] [2021-12-14 19:02:38,996 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[487280,487293] [2021-12-14 19:02:39,005 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 19:02:39,189 INFO L208 MainTranslator]: Completed translation [2021-12-14 19:02:39,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:39 WrapperNode [2021-12-14 19:02:39,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 19:02:39,190 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 19:02:39,190 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 19:02:39,190 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 19:02:39,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:39" (1/1) ... [2021-12-14 19:02:39,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:39" (1/1) ... [2021-12-14 19:02:39,616 INFO L137 Inliner]: procedures = 480, calls = 6076, calls flagged for inlining = 277, calls inlined = 258, statements flattened = 11928 [2021-12-14 19:02:39,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 19:02:39,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 19:02:39,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 19:02:39,618 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 19:02:39,624 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:39" (1/1) ... [2021-12-14 19:02:39,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:39" (1/1) ... [2021-12-14 19:02:39,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:39" (1/1) ... [2021-12-14 19:02:39,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:39" (1/1) ... [2021-12-14 19:02:39,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:39" (1/1) ... [2021-12-14 19:02:40,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:39" (1/1) ... [2021-12-14 19:02:40,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:39" (1/1) ... [2021-12-14 19:02:40,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 19:02:40,120 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 19:02:40,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 19:02:40,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 19:02:40,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:39" (1/1) ... [2021-12-14 19:02:40,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 19:02:40,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 19:02:40,147 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 19:02:40,259 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 19:02:40,270 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-14 19:02:40,270 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-14 19:02:40,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 19:02:40,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 19:02:40,271 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-14 19:02:40,271 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-14 19:02:40,271 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2021-12-14 19:02:40,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2021-12-14 19:02:40,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 19:02:40,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 19:02:40,271 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2021-12-14 19:02:40,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2021-12-14 19:02:40,272 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-14 19:02:40,272 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-14 19:02:40,272 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 19:02:40,272 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 19:02:40,272 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-14 19:02:40,272 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-14 19:02:40,272 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 19:02:40,272 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 19:02:40,273 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2021-12-14 19:02:40,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2021-12-14 19:02:40,273 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2021-12-14 19:02:40,273 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2021-12-14 19:02:40,273 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2021-12-14 19:02:40,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2021-12-14 19:02:40,273 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2021-12-14 19:02:40,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2021-12-14 19:02:40,273 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-14 19:02:40,274 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-14 19:02:40,274 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2021-12-14 19:02:40,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2021-12-14 19:02:40,274 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2021-12-14 19:02:40,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2021-12-14 19:02:40,274 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 19:02:40,275 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 19:02:40,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 19:02:40,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 19:02:40,275 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-14 19:02:40,275 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-14 19:02:40,275 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-14 19:02:40,275 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-14 19:02:40,276 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_resume [2021-12-14 19:02:40,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_resume [2021-12-14 19:02:40,276 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-14 19:02:40,276 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-14 19:02:40,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 19:02:40,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 19:02:40,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 19:02:40,277 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-14 19:02:40,277 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-14 19:02:40,277 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2021-12-14 19:02:40,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2021-12-14 19:02:40,278 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 19:02:40,278 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 19:02:40,278 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2021-12-14 19:02:40,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2021-12-14 19:02:40,278 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 19:02:40,279 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 19:02:40,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 19:02:40,279 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2021-12-14 19:02:40,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2021-12-14 19:02:40,279 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2021-12-14 19:02:40,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2021-12-14 19:02:40,279 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 19:02:40,280 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 19:02:40,280 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2021-12-14 19:02:40,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2021-12-14 19:02:40,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 19:02:40,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 19:02:40,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 19:02:40,280 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2021-12-14 19:02:40,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2021-12-14 19:02:40,281 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2021-12-14 19:02:40,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2021-12-14 19:02:40,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 19:02:40,281 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2021-12-14 19:02:40,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2021-12-14 19:02:40,281 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 19:02:40,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 19:02:40,281 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-12-14 19:02:40,281 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-12-14 19:02:40,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 19:02:40,282 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 19:02:40,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-14 19:02:40,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-14 19:02:40,282 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-14 19:02:40,283 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-14 19:02:40,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-14 19:02:40,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-14 19:02:40,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-14 19:02:40,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-14 19:02:40,284 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2021-12-14 19:02:40,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2021-12-14 19:02:40,284 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-14 19:02:40,284 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-14 19:02:40,284 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 19:02:40,284 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 19:02:40,284 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2021-12-14 19:02:40,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2021-12-14 19:02:40,284 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2021-12-14 19:02:40,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2021-12-14 19:02:40,285 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2021-12-14 19:02:40,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2021-12-14 19:02:40,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 19:02:40,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-14 19:02:40,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-14 19:02:40,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-14 19:02:40,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-14 19:02:40,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-14 19:02:40,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-14 19:02:40,286 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-14 19:02:40,287 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-14 19:02:40,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 19:02:40,289 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-14 19:02:40,289 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-14 19:02:40,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 19:02:40,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 19:02:40,290 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 19:02:40,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 19:02:40,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 19:02:40,291 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 19:02:40,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 19:02:40,295 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2021-12-14 19:02:40,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2021-12-14 19:02:40,295 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2021-12-14 19:02:40,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2021-12-14 19:02:40,295 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 19:02:40,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 19:02:40,296 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_remove [2021-12-14 19:02:40,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_remove [2021-12-14 19:02:40,296 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-14 19:02:40,296 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-14 19:02:40,296 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2021-12-14 19:02:40,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2021-12-14 19:02:40,296 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2021-12-14 19:02:40,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2021-12-14 19:02:40,296 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2021-12-14 19:02:40,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2021-12-14 19:02:40,297 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-14 19:02:40,297 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-14 19:02:40,297 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 19:02:40,297 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 19:02:40,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-14 19:02:40,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-14 19:02:40,297 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2021-12-14 19:02:40,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2021-12-14 19:02:40,297 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2021-12-14 19:02:40,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2021-12-14 19:02:40,298 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2021-12-14 19:02:40,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2021-12-14 19:02:40,298 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-14 19:02:40,298 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-14 19:02:40,298 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 19:02:40,298 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 19:02:40,298 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_open [2021-12-14 19:02:40,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_open [2021-12-14 19:02:40,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 19:02:40,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 19:02:40,298 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-14 19:02:40,299 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-14 19:02:40,299 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-14 19:02:40,299 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-14 19:02:40,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 19:02:40,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 19:02:40,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 19:02:40,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 19:02:40,299 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 19:02:40,299 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 19:02:40,299 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-14 19:02:40,300 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-14 19:02:40,300 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-14 19:02:40,300 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-14 19:02:40,300 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2021-12-14 19:02:40,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2021-12-14 19:02:40,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-14 19:02:40,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-14 19:02:40,300 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2021-12-14 19:02:40,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2021-12-14 19:02:40,300 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-14 19:02:40,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-14 19:02:40,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 19:02:40,301 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 19:02:40,301 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 19:02:40,301 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 19:02:40,301 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2021-12-14 19:02:40,301 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2021-12-14 19:02:40,301 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_close [2021-12-14 19:02:40,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_close [2021-12-14 19:02:40,301 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-14 19:02:40,302 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-14 19:02:40,302 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-14 19:02:40,302 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-14 19:02:40,302 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-14 19:02:40,302 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-14 19:02:40,302 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-14 19:02:40,302 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-14 19:02:40,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 19:02:40,302 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-14 19:02:40,302 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-14 19:02:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-14 19:02:40,303 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-14 19:02:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 19:02:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-14 19:02:40,303 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-14 19:02:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 19:02:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-14 19:02:40,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-14 19:02:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-14 19:02:40,303 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-14 19:02:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 19:02:40,304 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 19:02:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 19:02:40,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 19:02:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2021-12-14 19:02:40,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2021-12-14 19:02:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2021-12-14 19:02:40,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2021-12-14 19:02:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-14 19:02:40,304 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-14 19:02:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-14 19:02:40,305 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-14 19:02:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 19:02:40,305 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 19:02:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-14 19:02:40,305 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-14 19:02:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 19:02:40,305 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 19:02:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2021-12-14 19:02:40,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2021-12-14 19:02:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-14 19:02:40,306 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-14 19:02:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 19:02:40,306 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 19:02:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 19:02:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2021-12-14 19:02:40,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2021-12-14 19:02:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 19:02:40,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 19:02:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2021-12-14 19:02:40,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2021-12-14 19:02:40,309 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-14 19:02:40,309 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-14 19:02:40,309 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2021-12-14 19:02:40,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2021-12-14 19:02:40,310 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-14 19:02:40,310 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-14 19:02:40,310 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-14 19:02:40,310 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-14 19:02:40,311 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2021-12-14 19:02:40,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2021-12-14 19:02:40,311 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-12-14 19:02:40,311 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-12-14 19:02:40,311 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-14 19:02:40,312 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-14 19:02:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2021-12-14 19:02:40,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2021-12-14 19:02:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2021-12-14 19:02:40,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2021-12-14 19:02:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2021-12-14 19:02:40,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2021-12-14 19:02:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2021-12-14 19:02:40,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2021-12-14 19:02:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2021-12-14 19:02:40,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2021-12-14 19:02:40,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 19:02:40,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 19:02:40,313 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-14 19:02:40,313 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-14 19:02:40,313 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 19:02:40,313 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 19:02:40,313 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-14 19:02:40,313 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-14 19:02:40,313 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-14 19:02:40,313 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-14 19:02:40,313 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-14 19:02:40,314 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-14 19:02:40,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 19:02:40,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 19:02:40,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 19:02:40,314 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-14 19:02:40,314 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2021-12-14 19:02:40,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2021-12-14 19:02:41,351 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 19:02:41,353 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 19:02:41,591 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 19:03:05,686 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-14 19:03:06,003 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 19:03:06,018 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 19:03:06,019 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-14 19:03:06,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:03:06 BoogieIcfgContainer [2021-12-14 19:03:06,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 19:03:06,024 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 19:03:06,024 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 19:03:06,026 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 19:03:06,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:02:35" (1/3) ... [2021-12-14 19:03:06,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3288b83c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:03:06, skipping insertion in model container [2021-12-14 19:03:06,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:02:39" (2/3) ... [2021-12-14 19:03:06,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3288b83c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:03:06, skipping insertion in model container [2021-12-14 19:03:06,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:03:06" (3/3) ... [2021-12-14 19:03:06,028 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2021-12-14 19:03:06,031 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 19:03:06,031 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-14 19:03:06,077 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 19:03:06,087 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 19:03:06,088 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-14 19:03:06,151 INFO L276 IsEmpty]: Start isEmpty. Operand has 3294 states, 2239 states have (on average 1.2621706118803038) internal successors, (2826), 2274 states have internal predecessors, (2826), 921 states have call successors, (921), 133 states have call predecessors, (921), 132 states have return successors, (916), 906 states have call predecessors, (916), 916 states have call successors, (916) [2021-12-14 19:03:06,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-12-14 19:03:06,167 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:03:06,167 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:03:06,168 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 19:03:06,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:03:06,171 INFO L85 PathProgramCache]: Analyzing trace with hash -144671453, now seen corresponding path program 1 times [2021-12-14 19:03:06,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:03:06,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225204294] [2021-12-14 19:03:06,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:03:06,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:03:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 19:03:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 19:03:06,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 19:03:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 19:03:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 19:03:06,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:06,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 19:03:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 19:03:06,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:06,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 19:03:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:07,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:07,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:03:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:07,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:07,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 19:03:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:07,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:07,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 19:03:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:07,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:07,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 19:03:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:07,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:07,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 19:03:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:07,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:07,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 19:03:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:07,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:07,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 19:03:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:07,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:07,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:07,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 19:03:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:07,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:07,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-14 19:03:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:07,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 19:03:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:07,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-14 19:03:07,183 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:03:07,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225204294] [2021-12-14 19:03:07,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225204294] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:03:07,185 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:03:07,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 19:03:07,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196669829] [2021-12-14 19:03:07,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:03:07,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 19:03:07,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:03:07,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 19:03:07,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 19:03:07,221 INFO L87 Difference]: Start difference. First operand has 3294 states, 2239 states have (on average 1.2621706118803038) internal successors, (2826), 2274 states have internal predecessors, (2826), 921 states have call successors, (921), 133 states have call predecessors, (921), 132 states have return successors, (916), 906 states have call predecessors, (916), 916 states have call successors, (916) Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-14 19:03:23,101 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 19:03:23,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:03:23,743 INFO L93 Difference]: Finished difference Result 9989 states and 14379 transitions. [2021-12-14 19:03:23,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 19:03:23,745 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 199 [2021-12-14 19:03:23,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:03:23,798 INFO L225 Difference]: With dead ends: 9989 [2021-12-14 19:03:23,799 INFO L226 Difference]: Without dead ends: 6699 [2021-12-14 19:03:23,828 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 19:03:23,830 INFO L933 BasicCegarLoop]: 4990 mSDtfsCounter, 5508 mSDsluCounter, 5558 mSDsCounter, 0 mSdLazyCounter, 2939 mSolverCounterSat, 2757 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6328 SdHoareTripleChecker+Valid, 10548 SdHoareTripleChecker+Invalid, 5697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2757 IncrementalHoareTripleChecker+Valid, 2939 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2021-12-14 19:03:23,831 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6328 Valid, 10548 Invalid, 5697 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2757 Valid, 2939 Invalid, 1 Unknown, 0 Unchecked, 15.7s Time] [2021-12-14 19:03:23,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6699 states. [2021-12-14 19:03:24,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6699 to 6455. [2021-12-14 19:03:24,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6455 states, 4392 states have (on average 1.252504553734062) internal successors, (5501), 4460 states have internal predecessors, (5501), 1799 states have call successors, (1799), 263 states have call predecessors, (1799), 262 states have return successors, (1797), 1777 states have call predecessors, (1797), 1797 states have call successors, (1797) [2021-12-14 19:03:24,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6455 states to 6455 states and 9097 transitions. [2021-12-14 19:03:24,234 INFO L78 Accepts]: Start accepts. Automaton has 6455 states and 9097 transitions. Word has length 199 [2021-12-14 19:03:24,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:03:24,237 INFO L470 AbstractCegarLoop]: Abstraction has 6455 states and 9097 transitions. [2021-12-14 19:03:24,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-14 19:03:24,238 INFO L276 IsEmpty]: Start isEmpty. Operand 6455 states and 9097 transitions. [2021-12-14 19:03:24,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-12-14 19:03:24,245 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:03:24,246 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:03:24,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 19:03:24,246 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 19:03:24,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:03:24,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1810406537, now seen corresponding path program 1 times [2021-12-14 19:03:24,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:03:24,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093819951] [2021-12-14 19:03:24,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:03:24,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:03:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 19:03:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 19:03:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 19:03:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 19:03:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 19:03:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 19:03:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 19:03:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 19:03:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:03:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 19:03:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 19:03:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 19:03:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 19:03:24,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 19:03:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 19:03:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 19:03:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:03:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-14 19:03:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-14 19:03:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 19:03:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:03:24,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-14 19:03:24,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:03:24,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093819951] [2021-12-14 19:03:24,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093819951] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:03:24,916 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:03:24,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 19:03:24,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864909020] [2021-12-14 19:03:24,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:03:24,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 19:03:24,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:03:24,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 19:03:24,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 19:03:24,918 INFO L87 Difference]: Start difference. First operand 6455 states and 9097 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20)