./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--igbvf--igbvf.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--igbvf--igbvf.ko-entry_point.cil.out.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 29069a6562e86cf14ec2af6e66fde431300c67391fef8a4bef75c88d837db303 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 03:56:49,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 03:56:49,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 03:56:49,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 03:56:49,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 03:56:49,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 03:56:49,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 03:56:49,788 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 03:56:49,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 03:56:49,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 03:56:49,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 03:56:49,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 03:56:49,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 03:56:49,797 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 03:56:49,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 03:56:49,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 03:56:49,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 03:56:49,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 03:56:49,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 03:56:49,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 03:56:49,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 03:56:49,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 03:56:49,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 03:56:49,814 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 03:56:49,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 03:56:49,819 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 03:56:49,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 03:56:49,821 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 03:56:49,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 03:56:49,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 03:56:49,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 03:56:49,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 03:56:49,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 03:56:49,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 03:56:49,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 03:56:49,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 03:56:49,825 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 03:56:49,825 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 03:56:49,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 03:56:49,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 03:56:49,827 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 03:56:49,828 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 03:56:49,857 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 03:56:49,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 03:56:49,858 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 03:56:49,859 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 03:56:49,859 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 03:56:49,860 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 03:56:49,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 03:56:49,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 03:56:49,861 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 03:56:49,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 03:56:49,862 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 03:56:49,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 03:56:49,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 03:56:49,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 03:56:49,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 03:56:49,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 03:56:49,862 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 03:56:49,863 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 03:56:49,863 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 03:56:49,863 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 03:56:49,863 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 03:56:49,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 03:56:49,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 03:56:49,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 03:56:49,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 03:56:49,864 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 03:56:49,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 03:56:49,864 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 03:56:49,864 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 03:56:49,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 03:56:49,864 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29069a6562e86cf14ec2af6e66fde431300c67391fef8a4bef75c88d837db303 [2021-12-28 03:56:50,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 03:56:50,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 03:56:50,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 03:56:50,180 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 03:56:50,181 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 03:56:50,182 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--igbvf--igbvf.ko-entry_point.cil.out.i [2021-12-28 03:56:50,256 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b787135c/8346f25bb7144ff79f36a1aeff7c6f80/FLAG282f39940 [2021-12-28 03:56:50,927 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 03:56:50,927 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--igbvf--igbvf.ko-entry_point.cil.out.i [2021-12-28 03:56:50,973 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b787135c/8346f25bb7144ff79f36a1aeff7c6f80/FLAG282f39940 [2021-12-28 03:56:51,267 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b787135c/8346f25bb7144ff79f36a1aeff7c6f80 [2021-12-28 03:56:51,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 03:56:51,270 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 03:56:51,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 03:56:51,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 03:56:51,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 03:56:51,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:56:51" (1/1) ... [2021-12-28 03:56:51,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f868c5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:56:51, skipping insertion in model container [2021-12-28 03:56:51,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:56:51" (1/1) ... [2021-12-28 03:56:51,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 03:56:51,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 03:56:52,028 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-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--igbvf--igbvf.ko-entry_point.cil.out.i[183631,183644] [2021-12-28 03:56:53,700 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 03:56:53,761 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 03:56:53,868 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-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--igbvf--igbvf.ko-entry_point.cil.out.i[183631,183644] [2021-12-28 03:56:54,073 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 03:56:54,247 INFO L208 MainTranslator]: Completed translation [2021-12-28 03:56:54,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:56:54 WrapperNode [2021-12-28 03:56:54,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 03:56:54,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 03:56:54,250 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 03:56:54,250 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 03:56:54,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:56:54" (1/1) ... [2021-12-28 03:56:54,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:56:54" (1/1) ... [2021-12-28 03:56:54,531 INFO L137 Inliner]: procedures = 458, calls = 3190, calls flagged for inlining = 222, calls inlined = 195, statements flattened = 7513 [2021-12-28 03:56:54,532 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 03:56:54,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 03:56:54,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 03:56:54,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 03:56:54,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:56:54" (1/1) ... [2021-12-28 03:56:54,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:56:54" (1/1) ... [2021-12-28 03:56:54,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:56:54" (1/1) ... [2021-12-28 03:56:54,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:56:54" (1/1) ... [2021-12-28 03:56:54,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:56:54" (1/1) ... [2021-12-28 03:56:54,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:56:54" (1/1) ... [2021-12-28 03:56:54,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:56:54" (1/1) ... [2021-12-28 03:56:54,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 03:56:54,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 03:56:54,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 03:56:54,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 03:56:54,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:56:54" (1/1) ... [2021-12-28 03:56:54,809 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 03:56:54,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 03:56:54,845 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 03:56:54,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 03:56:54,888 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-12-28 03:56:54,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-12-28 03:56:54,889 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-28 03:56:54,889 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-28 03:56:54,889 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 03:56:54,889 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 03:56:54,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 03:56:54,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 03:56:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-28 03:56:54,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-28 03:56:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_function_pointers_vf [2021-12-28 03:56:54,890 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_function_pointers_vf [2021-12-28 03:56:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-28 03:56:54,890 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-28 03:56:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-28 03:56:54,890 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-28 03:56:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 03:56:54,891 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 03:56:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-28 03:56:54,891 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-28 03:56:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_alloc_rx_buffers [2021-12-28 03:56:54,891 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_alloc_rx_buffers [2021-12-28 03:56:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-28 03:56:54,891 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-28 03:56:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_mac_addr_vf [2021-12-28 03:56:54,891 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_mac_addr_vf [2021-12-28 03:56:54,892 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 03:56:54,892 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 03:56:54,892 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2021-12-28 03:56:54,892 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2021-12-28 03:56:54,892 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_maybe_stop_tx [2021-12-28 03:56:54,892 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_maybe_stop_tx [2021-12-28 03:56:54,892 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_mac [2021-12-28 03:56:54,892 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_mac [2021-12-28 03:56:54,892 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 03:56:54,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 03:56:54,893 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-28 03:56:54,893 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-28 03:56:54,893 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-28 03:56:54,893 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-28 03:56:54,893 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_irq [2021-12-28 03:56:54,893 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_irq [2021-12-28 03:56:54,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-28 03:56:54,894 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-28 03:56:54,894 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-28 03:56:54,894 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_suspend [2021-12-28 03:56:54,894 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_suspend [2021-12-28 03:56:54,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 03:56:54,894 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_ioctl [2021-12-28 03:56:54,895 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_ioctl [2021-12-28 03:56:54,895 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-28 03:56:54,895 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-28 03:56:54,895 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-28 03:56:54,895 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-28 03:56:54,895 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-28 03:56:54,896 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-28 03:56:54,896 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 03:56:54,896 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 03:56:54,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 03:56:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_assign_vector [2021-12-28 03:56:54,897 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_assign_vector [2021-12-28 03:56:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 03:56:54,897 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 03:56:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 03:56:54,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 03:56:54,898 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_change_mtu [2021-12-28 03:56:54,898 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_change_mtu [2021-12-28 03:56:54,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 03:56:54,898 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_desc_unused [2021-12-28 03:56:54,898 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_desc_unused [2021-12-28 03:56:54,898 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2021-12-28 03:56:54,899 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2021-12-28 03:56:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_error_detected [2021-12-28 03:56:54,899 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_error_detected [2021-12-28 03:56:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 03:56:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_netpoll [2021-12-28 03:56:54,899 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_netpoll [2021-12-28 03:56:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 03:56:54,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 03:56:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-28 03:56:54,900 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-28 03:56:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset_interrupt_capability [2021-12-28 03:56:54,900 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset_interrupt_capability [2021-12-28 03:56:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-12-28 03:56:54,900 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-12-28 03:56:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 03:56:54,900 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 03:56:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_msg_vf [2021-12-28 03:56:54,901 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_msg_vf [2021-12-28 03:56:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-28 03:56:54,901 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-28 03:56:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_tx_resources [2021-12-28 03:56:54,902 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_tx_resources [2021-12-28 03:56:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2021-12-28 03:56:54,902 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2021-12-28 03:56:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_3 [2021-12-28 03:56:54,902 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_3 [2021-12-28 03:56:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-28 03:56:54,903 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-28 03:56:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 03:56:54,903 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 03:56:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2021-12-28 03:56:54,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2021-12-28 03:56:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-28 03:56:54,904 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-28 03:56:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-12-28 03:56:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 03:56:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2021-12-28 03:56:54,904 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2021-12-28 03:56:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-28 03:56:54,905 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-28 03:56:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure_msix [2021-12-28 03:56:54,905 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure_msix [2021-12-28 03:56:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 03:56:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-28 03:56:54,905 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-28 03:56:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 03:56:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-28 03:56:54,969 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-28 03:56:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset [2021-12-28 03:56:54,969 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset [2021-12-28 03:56:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2021-12-28 03:56:54,969 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2021-12-28 03:56:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-28 03:56:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-28 03:56:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_enable [2021-12-28 03:56:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_enable [2021-12-28 03:56:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-28 03:56:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-28 03:56:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-28 03:56:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-28 03:56:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reinit_locked [2021-12-28 03:56:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reinit_locked [2021-12-28 03:56:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 03:56:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 03:56:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_update_stats [2021-12-28 03:56:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_update_stats [2021-12-28 03:56:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_add_vid [2021-12-28 03:56:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_add_vid [2021-12-28 03:56:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-28 03:56:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-28 03:56:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-28 03:56:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-28 03:56:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_bit_vf [2021-12-28 03:56:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_bit_vf [2021-12-28 03:56:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2021-12-28 03:56:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2021-12-28 03:56:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 03:56:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 03:56:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-28 03:56:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-28 03:56:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2021-12-28 03:56:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2021-12-28 03:56:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-28 03:56:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-28 03:56:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 03:56:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 03:56:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 03:56:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 03:56:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-28 03:56:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-28 03:56:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2021-12-28 03:56:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2021-12-28 03:56:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-28 03:56:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-28 03:56:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-28 03:56:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-28 03:56:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-28 03:56:54,972 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-28 03:56:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_down [2021-12-28 03:56:54,972 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_down [2021-12-28 03:56:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_regs_len [2021-12-28 03:56:54,972 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_regs_len [2021-12-28 03:56:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2021-12-28 03:56:54,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2021-12-28 03:56:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 03:56:54,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 03:56:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_irq [2021-12-28 03:56:54,972 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_irq [2021-12-28 03:56:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-28 03:56:54,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-28 03:56:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-28 03:56:54,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-28 03:56:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2021-12-28 03:56:54,972 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2021-12-28 03:56:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-28 03:56:54,972 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-28 03:56:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 03:56:54,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 03:56:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 03:56:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 03:56:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 03:56:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 03:56:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_ring [2021-12-28 03:56:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_ring [2021-12-28 03:56:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_v2p_mailbox [2021-12-28 03:56:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_v2p_mailbox [2021-12-28 03:56:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_3 [2021-12-28 03:56:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_3 [2021-12-28 03:56:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-28 03:56:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-28 03:56:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-28 03:56:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-28 03:56:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-28 03:56:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-28 03:56:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2021-12-28 03:56:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2021-12-28 03:56:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 03:56:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 03:56:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 03:56:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_remove [2021-12-28 03:56:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_remove [2021-12-28 03:56:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-28 03:56:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-28 03:56:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-28 03:56:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-28 03:56:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_disable [2021-12-28 03:56:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_disable [2021-12-28 03:56:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 03:56:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-28 03:56:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-28 03:56:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_slot_reset [2021-12-28 03:56:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_slot_reset [2021-12-28 03:56:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure [2021-12-28 03:56:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure [2021-12-28 03:56:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_rx_resources [2021-12-28 03:56:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_rx_resources [2021-12-28 03:56:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_rx_ring [2021-12-28 03:56:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_rx_ring [2021-12-28 03:56:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2021-12-28 03:56:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2021-12-28 03:56:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_obtain_mbx_lock_vf [2021-12-28 03:56:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_obtain_mbx_lock_vf [2021-12-28 03:56:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-28 03:56:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-28 03:56:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 03:56:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_ack_vf [2021-12-28 03:56:54,975 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_ack_vf [2021-12-28 03:56:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-28 03:56:54,975 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-28 03:56:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-28 03:56:54,975 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-28 03:56:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 03:56:54,975 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 03:56:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_request_irq [2021-12-28 03:56:54,975 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_request_irq [2021-12-28 03:56:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-28 03:56:54,975 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-28 03:56:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-28 03:56:54,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-28 03:56:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_put_txbuf [2021-12-28 03:56:54,975 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_put_txbuf [2021-12-28 03:56:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2021-12-28 03:56:54,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2021-12-28 03:56:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2021-12-28 03:56:54,975 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2021-12-28 03:56:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-12-28 03:56:54,976 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-12-28 03:56:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-28 03:56:54,976 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-28 03:56:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 03:56:54,976 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 03:56:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-28 03:56:54,976 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-28 03:56:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_shutdown [2021-12-28 03:56:54,976 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_shutdown [2021-12-28 03:56:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-28 03:56:54,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-28 03:56:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 03:56:54,976 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 03:56:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2021-12-28 03:56:54,976 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2021-12-28 03:56:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-28 03:56:54,976 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-28 03:56:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_tx_resources [2021-12-28 03:56:54,976 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_tx_resources [2021-12-28 03:56:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 03:56:54,976 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 03:56:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_eeprom_len [2021-12-28 03:56:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_eeprom_len [2021-12-28 03:56:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 03:56:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_stats [2021-12-28 03:56:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_stats [2021-12-28 03:56:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2021-12-28 03:56:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2021-12-28 03:56:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 03:56:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 03:56:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_kill_vid [2021-12-28 03:56:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_kill_vid [2021-12-28 03:56:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2021-12-28 03:56:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2021-12-28 03:56:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-28 03:56:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-28 03:56:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-28 03:56:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-28 03:56:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-28 03:56:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-28 03:56:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_resume [2021-12-28 03:56:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_resume [2021-12-28 03:56:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-28 03:56:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-28 03:56:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_3 [2021-12-28 03:56:54,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_3 [2021-12-28 03:56:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-12-28 03:56:54,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-12-28 03:56:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_rx_resources [2021-12-28 03:56:54,978 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_rx_resources [2021-12-28 03:56:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_features [2021-12-28 03:56:54,978 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_features [2021-12-28 03:56:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_multi [2021-12-28 03:56:54,978 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_multi [2021-12-28 03:56:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_tx_timeout [2021-12-28 03:56:54,978 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_tx_timeout [2021-12-28 03:56:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-28 03:56:54,978 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-28 03:56:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-28 03:56:54,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-28 03:56:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2021-12-28 03:56:54,978 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2021-12-28 03:56:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-28 03:56:54,978 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-28 03:56:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_up [2021-12-28 03:56:54,978 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_up [2021-12-28 03:56:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-28 03:56:54,979 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-28 03:56:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 03:56:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-12-28 03:56:54,979 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-12-28 03:56:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-28 03:56:55,775 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 03:56:55,778 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 03:56:56,012 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 03:57:01,392 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 03:57:01,406 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 03:57:01,406 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-28 03:57:01,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:57:01 BoogieIcfgContainer [2021-12-28 03:57:01,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 03:57:01,411 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 03:57:01,411 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 03:57:01,413 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 03:57:01,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 03:56:51" (1/3) ... [2021-12-28 03:57:01,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13641859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:57:01, skipping insertion in model container [2021-12-28 03:57:01,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:56:54" (2/3) ... [2021-12-28 03:57:01,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13641859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:57:01, skipping insertion in model container [2021-12-28 03:57:01,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:57:01" (3/3) ... [2021-12-28 03:57:01,416 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--igbvf--igbvf.ko-entry_point.cil.out.i [2021-12-28 03:57:01,419 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 03:57:01,419 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 03:57:01,459 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 03:57:01,464 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 03:57:01,464 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 03:57:01,512 INFO L276 IsEmpty]: Start isEmpty. Operand has 2793 states, 1928 states have (on average 1.320539419087137) internal successors, (2546), 1988 states have internal predecessors, (2546), 709 states have call successors, (709), 155 states have call predecessors, (709), 154 states have return successors, (694), 680 states have call predecessors, (694), 694 states have call successors, (694) [2021-12-28 03:57:01,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-12-28 03:57:01,525 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:57:01,525 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 03:57:01,526 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:57:01,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:57:01,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1350737997, now seen corresponding path program 1 times [2021-12-28 03:57:01,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:57:01,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162266301] [2021-12-28 03:57:01,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:57:01,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:57:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:02,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 03:57:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:02,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 03:57:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:02,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 03:57:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:02,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 03:57:02,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:02,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 03:57:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:02,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 03:57:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:02,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-28 03:57:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:02,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-28 03:57:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:02,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-28 03:57:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:02,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 03:57:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:02,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 03:57:02,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:02,158 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-12-28 03:57:02,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:57:02,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162266301] [2021-12-28 03:57:02,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162266301] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:57:02,159 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:57:02,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 03:57:02,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45276910] [2021-12-28 03:57:02,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:57:02,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 03:57:02,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:57:02,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 03:57:02,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 03:57:02,186 INFO L87 Difference]: Start difference. First operand has 2793 states, 1928 states have (on average 1.320539419087137) internal successors, (2546), 1988 states have internal predecessors, (2546), 709 states have call successors, (709), 155 states have call predecessors, (709), 154 states have return successors, (694), 680 states have call predecessors, (694), 694 states have call successors, (694) Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-12-28 03:57:04,490 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:57:06,444 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:57:18,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 03:57:18,250 INFO L93 Difference]: Finished difference Result 9158 states and 13449 transitions. [2021-12-28 03:57:18,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 03:57:18,253 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 91 [2021-12-28 03:57:18,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 03:57:18,309 INFO L225 Difference]: With dead ends: 9158 [2021-12-28 03:57:18,309 INFO L226 Difference]: Without dead ends: 6316 [2021-12-28 03:57:18,331 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-28 03:57:18,333 INFO L933 BasicCegarLoop]: 4183 mSDtfsCounter, 7004 mSDsluCounter, 5671 mSDsCounter, 0 mSdLazyCounter, 5613 mSolverCounterSat, 4426 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7446 SdHoareTripleChecker+Valid, 9854 SdHoareTripleChecker+Invalid, 10039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4426 IncrementalHoareTripleChecker+Valid, 5613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2021-12-28 03:57:18,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7446 Valid, 9854 Invalid, 10039 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4426 Valid, 5613 Invalid, 0 Unknown, 0 Unchecked, 15.3s Time] [2021-12-28 03:57:18,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6316 states. [2021-12-28 03:57:18,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6316 to 5466. [2021-12-28 03:57:18,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5466 states, 3792 states have (on average 1.3082805907172996) internal successors, (4961), 3878 states have internal predecessors, (4961), 1367 states have call successors, (1367), 307 states have call predecessors, (1367), 306 states have return successors, (1366), 1338 states have call predecessors, (1366), 1366 states have call successors, (1366) [2021-12-28 03:57:18,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5466 states to 5466 states and 7694 transitions. [2021-12-28 03:57:18,734 INFO L78 Accepts]: Start accepts. Automaton has 5466 states and 7694 transitions. Word has length 91 [2021-12-28 03:57:18,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 03:57:18,736 INFO L470 AbstractCegarLoop]: Abstraction has 5466 states and 7694 transitions. [2021-12-28 03:57:18,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-12-28 03:57:18,737 INFO L276 IsEmpty]: Start isEmpty. Operand 5466 states and 7694 transitions. [2021-12-28 03:57:18,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-28 03:57:18,746 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:57:18,746 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 03:57:18,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 03:57:18,748 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:57:18,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:57:18,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1806858512, now seen corresponding path program 1 times [2021-12-28 03:57:18,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:57:18,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262989946] [2021-12-28 03:57:18,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:57:18,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:57:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:19,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 03:57:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:19,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 03:57:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:19,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 03:57:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:19,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 03:57:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:19,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 03:57:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:19,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 03:57:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:19,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-28 03:57:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:19,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-28 03:57:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:19,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-28 03:57:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:19,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 03:57:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:19,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 03:57:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:19,149 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-12-28 03:57:19,150 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:57:19,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262989946] [2021-12-28 03:57:19,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262989946] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:57:19,150 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:57:19,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 03:57:19,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642168835] [2021-12-28 03:57:19,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:57:19,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 03:57:19,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:57:19,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 03:57:19,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-28 03:57:19,153 INFO L87 Difference]: Start difference. First operand 5466 states and 7694 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-28 03:57:22,196 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:57:24,559 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:57:25,889 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:57:39,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 03:57:39,517 INFO L93 Difference]: Finished difference Result 12597 states and 18453 transitions. [2021-12-28 03:57:39,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 03:57:39,517 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 93 [2021-12-28 03:57:39,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 03:57:39,580 INFO L225 Difference]: With dead ends: 12597 [2021-12-28 03:57:39,580 INFO L226 Difference]: Without dead ends: 12589 [2021-12-28 03:57:39,587 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-12-28 03:57:39,588 INFO L933 BasicCegarLoop]: 4166 mSDtfsCounter, 6958 mSDsluCounter, 11176 mSDsCounter, 0 mSdLazyCounter, 9945 mSolverCounterSat, 4357 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7403 SdHoareTripleChecker+Valid, 15342 SdHoareTripleChecker+Invalid, 14304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4357 IncrementalHoareTripleChecker+Valid, 9945 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.7s IncrementalHoareTripleChecker+Time [2021-12-28 03:57:39,590 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7403 Valid, 15342 Invalid, 14304 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4357 Valid, 9945 Invalid, 2 Unknown, 0 Unchecked, 19.7s Time] [2021-12-28 03:57:39,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12589 states. [2021-12-28 03:57:39,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12589 to 10937. [2021-12-28 03:57:39,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10937 states, 7584 states have (on average 1.3085443037974684) internal successors, (9924), 7764 states have internal predecessors, (9924), 2728 states have call successors, (2728), 613 states have call predecessors, (2728), 624 states have return successors, (2823), 2671 states have call predecessors, (2823), 2727 states have call successors, (2823) [2021-12-28 03:57:39,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10937 states to 10937 states and 15475 transitions. [2021-12-28 03:57:39,972 INFO L78 Accepts]: Start accepts. Automaton has 10937 states and 15475 transitions. Word has length 93 [2021-12-28 03:57:39,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 03:57:39,974 INFO L470 AbstractCegarLoop]: Abstraction has 10937 states and 15475 transitions. [2021-12-28 03:57:39,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-28 03:57:39,975 INFO L276 IsEmpty]: Start isEmpty. Operand 10937 states and 15475 transitions. [2021-12-28 03:57:40,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-12-28 03:57:40,058 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:57:40,059 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 03:57:40,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 03:57:40,059 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:57:40,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:57:40,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1790915239, now seen corresponding path program 1 times [2021-12-28 03:57:40,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:57:40,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864203491] [2021-12-28 03:57:40,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:57:40,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:57:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 03:57:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 03:57:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 03:57:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 03:57:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 03:57:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 03:57:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-28 03:57:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-28 03:57:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-28 03:57:40,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 03:57:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 03:57:40,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 03:57:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 03:57:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-28 03:57:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 03:57:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-28 03:57:40,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 03:57:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-28 03:57:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 03:57:40,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 03:57:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 03:57:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-28 03:57:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 03:57:40,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 03:57:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 03:57:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-28 03:57:40,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-28 03:57:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-28 03:57:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-28 03:57:40,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-28 03:57:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-28 03:57:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 03:57:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 03:57:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-28 03:57:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 03:57:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-28 03:57:40,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-28 03:57:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-28 03:57:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 03:57:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-28 03:57:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 03:57:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:40,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 03:57:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:41,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 03:57:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:41,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 03:57:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:41,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 03:57:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:41,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 03:57:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:41,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-28 03:57:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:41,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-28 03:57:41,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:41,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-28 03:57:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:41,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 03:57:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:41,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 03:57:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:41,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-28 03:57:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:41,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 03:57:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:41,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-28 03:57:41,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:41,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-28 03:57:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:41,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-28 03:57:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:57:41,140 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-12-28 03:57:41,140 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:57:41,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864203491] [2021-12-28 03:57:41,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864203491] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:57:41,141 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:57:41,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-12-28 03:57:41,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457129292] [2021-12-28 03:57:41,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:57:41,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-28 03:57:41,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:57:41,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-28 03:57:41,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-12-28 03:57:41,143 INFO L87 Difference]: Start difference. First operand 10937 states and 15475 transitions. Second operand has 15 states, 14 states have (on average 14.642857142857142) internal successors, (205), 7 states have internal predecessors, (205), 3 states have call successors, (57), 8 states have call predecessors, (57), 3 states have return successors, (56), 4 states have call predecessors, (56), 3 states have call successors, (56) [2021-12-28 03:57:46,758 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:57:48,505 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:57:50,032 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:57:52,052 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:57:53,481 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []