./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 c3fed411 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-tmp.no-commuhash-c3fed41 [2021-12-16 03:58:34,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 03:58:34,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 03:58:34,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 03:58:34,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 03:58:34,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 03:58:34,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 03:58:34,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 03:58:34,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 03:58:34,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 03:58:34,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 03:58:34,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 03:58:34,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 03:58:34,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 03:58:34,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 03:58:34,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 03:58:34,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 03:58:34,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 03:58:34,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 03:58:34,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 03:58:34,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 03:58:34,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 03:58:34,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 03:58:34,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 03:58:34,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 03:58:34,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 03:58:34,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 03:58:34,403 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 03:58:34,403 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 03:58:34,404 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 03:58:34,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 03:58:34,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 03:58:34,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 03:58:34,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 03:58:34,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 03:58:34,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 03:58:34,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 03:58:34,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 03:58:34,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 03:58:34,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 03:58:34,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 03:58:34,410 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 03:58:34,442 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 03:58:34,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 03:58:34,446 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 03:58:34,446 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 03:58:34,446 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 03:58:34,447 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 03:58:34,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 03:58:34,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 03:58:34,447 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 03:58:34,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 03:58:34,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 03:58:34,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 03:58:34,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 03:58:34,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 03:58:34,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 03:58:34,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 03:58:34,450 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 03:58:34,450 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 03:58:34,450 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 03:58:34,450 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 03:58:34,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 03:58:34,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 03:58:34,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 03:58:34,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 03:58:34,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 03:58:34,451 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 03:58:34,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 03:58:34,452 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 03:58:34,452 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 03:58:34,452 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 03:58:34,452 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 03:58:34,453 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29069a6562e86cf14ec2af6e66fde431300c67391fef8a4bef75c88d837db303 [2021-12-16 03:58:34,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 03:58:34,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 03:58:34,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 03:58:34,717 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 03:58:34,717 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 03:58:34,718 INFO L432 ainManager$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 [2021-12-16 03:58:34,776 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/183b84838/36268f70114849a3a05037a0aef8d082/FLAG990155f43 [2021-12-16 03:58:35,499 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 03:58:35,500 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 [2021-12-16 03:58:35,558 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/183b84838/36268f70114849a3a05037a0aef8d082/FLAG990155f43 [2021-12-16 03:58:36,022 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/183b84838/36268f70114849a3a05037a0aef8d082 [2021-12-16 03:58:36,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 03:58:36,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 03:58:36,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 03:58:36,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 03:58:36,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 03:58:36,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:58:36" (1/1) ... [2021-12-16 03:58:36,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e9b99f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:58:36, skipping insertion in model container [2021-12-16 03:58:36,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:58:36" (1/1) ... [2021-12-16 03:58:36,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 03:58:36,201 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 03:58:36,996 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-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] [2021-12-16 03:58:39,515 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 03:58:39,585 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 03:58:39,672 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] [2021-12-16 03:58:39,980 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 03:58:40,223 INFO L208 MainTranslator]: Completed translation [2021-12-16 03:58:40,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:58:40 WrapperNode [2021-12-16 03:58:40,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 03:58:40,226 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 03:58:40,227 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 03:58:40,227 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 03:58:40,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:58:40" (1/1) ... [2021-12-16 03:58:40,377 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:58:40" (1/1) ... [2021-12-16 03:58:40,609 INFO L137 Inliner]: procedures = 458, calls = 3190, calls flagged for inlining = 222, calls inlined = 195, statements flattened = 7513 [2021-12-16 03:58:40,610 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 03:58:40,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 03:58:40,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 03:58:40,612 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 03:58:40,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:58:40" (1/1) ... [2021-12-16 03:58:40,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:58:40" (1/1) ... [2021-12-16 03:58:40,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:58:40" (1/1) ... [2021-12-16 03:58:40,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:58:40" (1/1) ... [2021-12-16 03:58:40,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:58:40" (1/1) ... [2021-12-16 03:58:40,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:58:40" (1/1) ... [2021-12-16 03:58:40,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:58:40" (1/1) ... [2021-12-16 03:58:40,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 03:58:40,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 03:58:40,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 03:58:40,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 03:58:40,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:58:40" (1/1) ... [2021-12-16 03:58:40,956 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 03:58:40,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:58:40,981 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) [2021-12-16 03:58:41,007 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 [2021-12-16 03:58:41,022 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-12-16 03:58:41,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-12-16 03:58:41,022 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-16 03:58:41,023 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-16 03:58:41,023 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-16 03:58:41,023 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-16 03:58:41,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 03:58:41,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 03:58:41,023 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-16 03:58:41,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-16 03:58:41,024 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_function_pointers_vf [2021-12-16 03:58:41,024 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_function_pointers_vf [2021-12-16 03:58:41,024 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-16 03:58:41,024 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-16 03:58:41,024 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-16 03:58:41,024 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-16 03:58:41,024 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-16 03:58:41,025 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-16 03:58:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-16 03:58:41,025 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-16 03:58:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_alloc_rx_buffers [2021-12-16 03:58:41,025 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_alloc_rx_buffers [2021-12-16 03:58:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-16 03:58:41,025 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-16 03:58:41,026 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_mac_addr_vf [2021-12-16 03:58:41,026 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_mac_addr_vf [2021-12-16 03:58:41,026 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-16 03:58:41,026 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-16 03:58:41,026 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2021-12-16 03:58:41,026 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2021-12-16 03:58:41,026 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_maybe_stop_tx [2021-12-16 03:58:41,027 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_maybe_stop_tx [2021-12-16 03:58:41,027 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_mac [2021-12-16 03:58:41,027 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_mac [2021-12-16 03:58:41,027 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-16 03:58:41,027 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-16 03:58:41,027 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-16 03:58:41,028 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-16 03:58:41,028 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-16 03:58:41,028 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-16 03:58:41,028 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_irq [2021-12-16 03:58:41,028 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_irq [2021-12-16 03:58:41,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-16 03:58:41,029 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-16 03:58:41,029 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-16 03:58:41,029 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_suspend [2021-12-16 03:58:41,029 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_suspend [2021-12-16 03:58:41,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 03:58:41,029 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_ioctl [2021-12-16 03:58:41,029 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_ioctl [2021-12-16 03:58:41,030 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-16 03:58:41,030 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-16 03:58:41,030 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-16 03:58:41,031 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-16 03:58:41,031 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-16 03:58:41,031 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-16 03:58:41,031 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-16 03:58:41,032 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-16 03:58:41,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 03:58:41,033 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_assign_vector [2021-12-16 03:58:41,033 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_assign_vector [2021-12-16 03:58:41,033 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-16 03:58:41,033 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-16 03:58:41,033 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-16 03:58:41,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-16 03:58:41,034 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_change_mtu [2021-12-16 03:58:41,034 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_change_mtu [2021-12-16 03:58:41,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 03:58:41,034 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_desc_unused [2021-12-16 03:58:41,034 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_desc_unused [2021-12-16 03:58:41,034 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2021-12-16 03:58:41,034 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2021-12-16 03:58:41,035 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_error_detected [2021-12-16 03:58:41,035 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_error_detected [2021-12-16 03:58:41,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 03:58:41,036 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_netpoll [2021-12-16 03:58:41,036 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_netpoll [2021-12-16 03:58:41,036 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-16 03:58:41,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-16 03:58:41,036 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-16 03:58:41,036 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-16 03:58:41,036 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset_interrupt_capability [2021-12-16 03:58:41,037 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset_interrupt_capability [2021-12-16 03:58:41,037 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-12-16 03:58:41,037 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-12-16 03:58:41,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 03:58:41,037 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 03:58:41,037 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_msg_vf [2021-12-16 03:58:41,038 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_msg_vf [2021-12-16 03:58:41,038 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-16 03:58:41,038 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-16 03:58:41,039 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_tx_resources [2021-12-16 03:58:41,039 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_tx_resources [2021-12-16 03:58:41,039 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2021-12-16 03:58:41,039 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2021-12-16 03:58:41,039 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_3 [2021-12-16 03:58:41,040 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_3 [2021-12-16 03:58:41,040 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-16 03:58:41,040 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-16 03:58:41,041 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-16 03:58:41,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-16 03:58:41,041 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2021-12-16 03:58:41,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2021-12-16 03:58:41,041 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-16 03:58:41,042 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-16 03:58:41,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-12-16 03:58:41,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 03:58:41,042 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2021-12-16 03:58:41,042 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2021-12-16 03:58:41,042 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-16 03:58:41,042 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-16 03:58:41,042 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure_msix [2021-12-16 03:58:41,043 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure_msix [2021-12-16 03:58:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 03:58:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-16 03:58:41,043 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-16 03:58:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 03:58:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-16 03:58:41,044 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-16 03:58:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset [2021-12-16 03:58:41,047 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset [2021-12-16 03:58:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2021-12-16 03:58:41,047 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2021-12-16 03:58:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-16 03:58:41,049 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-16 03:58:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_enable [2021-12-16 03:58:41,049 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_enable [2021-12-16 03:58:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-16 03:58:41,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-16 03:58:41,055 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-16 03:58:41,055 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-16 03:58:41,055 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reinit_locked [2021-12-16 03:58:41,055 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reinit_locked [2021-12-16 03:58:41,055 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-16 03:58:41,055 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-16 03:58:41,055 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_update_stats [2021-12-16 03:58:41,055 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_update_stats [2021-12-16 03:58:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_add_vid [2021-12-16 03:58:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_add_vid [2021-12-16 03:58:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-16 03:58:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-16 03:58:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-16 03:58:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-16 03:58:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_bit_vf [2021-12-16 03:58:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_bit_vf [2021-12-16 03:58:41,057 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2021-12-16 03:58:41,057 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2021-12-16 03:58:41,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 03:58:41,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 03:58:41,057 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-16 03:58:41,057 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-16 03:58:41,057 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2021-12-16 03:58:41,057 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2021-12-16 03:58:41,058 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-16 03:58:41,058 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-16 03:58:41,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 03:58:41,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 03:58:41,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 03:58:41,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 03:58:41,058 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-16 03:58:41,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-16 03:58:41,059 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2021-12-16 03:58:41,059 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2021-12-16 03:58:41,059 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-16 03:58:41,059 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-16 03:58:41,059 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-16 03:58:41,060 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-16 03:58:41,060 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-16 03:58:41,060 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-16 03:58:41,060 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_down [2021-12-16 03:58:41,060 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_down [2021-12-16 03:58:41,060 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_regs_len [2021-12-16 03:58:41,060 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_regs_len [2021-12-16 03:58:41,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2021-12-16 03:58:41,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2021-12-16 03:58:41,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-16 03:58:41,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-16 03:58:41,061 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_irq [2021-12-16 03:58:41,061 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_irq [2021-12-16 03:58:41,061 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-16 03:58:41,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-16 03:58:41,061 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-16 03:58:41,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-16 03:58:41,062 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2021-12-16 03:58:41,062 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2021-12-16 03:58:41,062 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-16 03:58:41,062 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-16 03:58:41,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 03:58:41,062 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 03:58:41,062 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-16 03:58:41,062 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-16 03:58:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-16 03:58:41,063 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-16 03:58:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_ring [2021-12-16 03:58:41,063 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_ring [2021-12-16 03:58:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_v2p_mailbox [2021-12-16 03:58:41,063 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_v2p_mailbox [2021-12-16 03:58:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_3 [2021-12-16 03:58:41,063 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_3 [2021-12-16 03:58:41,064 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-16 03:58:41,064 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-16 03:58:41,064 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-16 03:58:41,064 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-16 03:58:41,064 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-16 03:58:41,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-16 03:58:41,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2021-12-16 03:58:41,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2021-12-16 03:58:41,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 03:58:41,065 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-16 03:58:41,065 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-16 03:58:41,065 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_remove [2021-12-16 03:58:41,065 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_remove [2021-12-16 03:58:41,065 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-16 03:58:41,065 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-16 03:58:41,065 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-16 03:58:41,066 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-16 03:58:41,066 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_disable [2021-12-16 03:58:41,066 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_disable [2021-12-16 03:58:41,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 03:58:41,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-16 03:58:41,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-16 03:58:41,066 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_slot_reset [2021-12-16 03:58:41,066 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_slot_reset [2021-12-16 03:58:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure [2021-12-16 03:58:41,067 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure [2021-12-16 03:58:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_rx_resources [2021-12-16 03:58:41,067 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_rx_resources [2021-12-16 03:58:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_rx_ring [2021-12-16 03:58:41,067 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_rx_ring [2021-12-16 03:58:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2021-12-16 03:58:41,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2021-12-16 03:58:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_obtain_mbx_lock_vf [2021-12-16 03:58:41,068 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_obtain_mbx_lock_vf [2021-12-16 03:58:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-16 03:58:41,068 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-16 03:58:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 03:58:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_ack_vf [2021-12-16 03:58:41,068 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_ack_vf [2021-12-16 03:58:41,068 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-16 03:58:41,068 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-16 03:58:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-16 03:58:41,069 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-16 03:58:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-16 03:58:41,069 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-16 03:58:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_request_irq [2021-12-16 03:58:41,070 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_request_irq [2021-12-16 03:58:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-16 03:58:41,073 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-16 03:58:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-16 03:58:41,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-16 03:58:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_put_txbuf [2021-12-16 03:58:41,074 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_put_txbuf [2021-12-16 03:58:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2021-12-16 03:58:41,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2021-12-16 03:58:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2021-12-16 03:58:41,075 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2021-12-16 03:58:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-12-16 03:58:41,075 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-12-16 03:58:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-16 03:58:41,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-16 03:58:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-16 03:58:41,076 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-16 03:58:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-16 03:58:41,076 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-16 03:58:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_shutdown [2021-12-16 03:58:41,076 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_shutdown [2021-12-16 03:58:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-16 03:58:41,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-16 03:58:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-16 03:58:41,077 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-16 03:58:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2021-12-16 03:58:41,077 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2021-12-16 03:58:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-16 03:58:41,077 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-16 03:58:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_tx_resources [2021-12-16 03:58:41,077 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_tx_resources [2021-12-16 03:58:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 03:58:41,078 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 03:58:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_eeprom_len [2021-12-16 03:58:41,078 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_eeprom_len [2021-12-16 03:58:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 03:58:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_stats [2021-12-16 03:58:41,078 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_stats [2021-12-16 03:58:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2021-12-16 03:58:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2021-12-16 03:58:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 03:58:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 03:58:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_kill_vid [2021-12-16 03:58:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_kill_vid [2021-12-16 03:58:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2021-12-16 03:58:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2021-12-16 03:58:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-16 03:58:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-16 03:58:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-16 03:58:41,080 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-16 03:58:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-16 03:58:41,080 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-16 03:58:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_resume [2021-12-16 03:58:41,080 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_resume [2021-12-16 03:58:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-16 03:58:41,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-16 03:58:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_3 [2021-12-16 03:58:41,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_3 [2021-12-16 03:58:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-12-16 03:58:41,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-12-16 03:58:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_rx_resources [2021-12-16 03:58:41,081 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_rx_resources [2021-12-16 03:58:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_features [2021-12-16 03:58:41,081 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_features [2021-12-16 03:58:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_multi [2021-12-16 03:58:41,082 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_multi [2021-12-16 03:58:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_tx_timeout [2021-12-16 03:58:41,082 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_tx_timeout [2021-12-16 03:58:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-16 03:58:41,082 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-16 03:58:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-16 03:58:41,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-16 03:58:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2021-12-16 03:58:41,082 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2021-12-16 03:58:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-16 03:58:41,083 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-16 03:58:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_up [2021-12-16 03:58:41,083 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_up [2021-12-16 03:58:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-16 03:58:41,083 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-16 03:58:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 03:58:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-12-16 03:58:41,084 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-12-16 03:58:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-16 03:58:42,288 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 03:58:42,292 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 03:58:42,535 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 03:58:46,625 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 03:58:46,656 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 03:58:46,656 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-16 03:58:46,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:58:46 BoogieIcfgContainer [2021-12-16 03:58:46,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 03:58:46,663 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 03:58:46,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 03:58:46,666 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 03:58:46,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 03:58:36" (1/3) ... [2021-12-16 03:58:46,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3811ad95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:58:46, skipping insertion in model container [2021-12-16 03:58:46,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:58:40" (2/3) ... [2021-12-16 03:58:46,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3811ad95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:58:46, skipping insertion in model container [2021-12-16 03:58:46,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:58:46" (3/3) ... [2021-12-16 03:58:46,672 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 [2021-12-16 03:58:46,677 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 03:58:46,678 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 03:58:46,743 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 03:58:46,750 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 [2021-12-16 03:58:46,750 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 03:58:46,811 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) [2021-12-16 03:58:46,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-12-16 03:58:46,829 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:58:46,829 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] [2021-12-16 03:58:46,830 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:58:46,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:58:46,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1350737997, now seen corresponding path program 1 times [2021-12-16 03:58:46,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:58:46,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104456898] [2021-12-16 03:58:46,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:58:46,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:58:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:58:47,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:58:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:58:47,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-16 03:58:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:58:47,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 03:58:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:58:47,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 03:58:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:58:47,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-16 03:58:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:58:47,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-16 03:58:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:58:47,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:58:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:58:47,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-16 03:58:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:58:47,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-16 03:58:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:58:47,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 03:58:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:58:47,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-16 03:58:47,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:58:47,647 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-12-16 03:58:47,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:58:47,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104456898] [2021-12-16 03:58:47,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104456898] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:58:47,652 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:58:47,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 03:58:47,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22051438] [2021-12-16 03:58:47,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:58:47,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 03:58:47,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:58:47,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 03:58:47,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 03:58:47,694 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) [2021-12-16 03:58:49,824 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:59:02,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:59:02,279 INFO L93 Difference]: Finished difference Result 9158 states and 13449 transitions. [2021-12-16 03:59:02,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 03:59:02,282 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 [2021-12-16 03:59:02,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:59:02,394 INFO L225 Difference]: With dead ends: 9158 [2021-12-16 03:59:02,394 INFO L226 Difference]: Without dead ends: 6316 [2021-12-16 03:59:02,418 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 [2021-12-16 03:59:02,422 INFO L933 BasicCegarLoop]: 4193 mSDtfsCounter, 6986 mSDsluCounter, 6200 mSDsCounter, 0 mSdLazyCounter, 5071 mSolverCounterSat, 4413 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7427 SdHoareTripleChecker+Valid, 10393 SdHoareTripleChecker+Invalid, 9484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4413 IncrementalHoareTripleChecker+Valid, 5071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2021-12-16 03:59:02,423 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7427 Valid, 10393 Invalid, 9484 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4413 Valid, 5071 Invalid, 0 Unknown, 0 Unchecked, 13.9s Time] [2021-12-16 03:59:02,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6316 states. [2021-12-16 03:59:02,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6316 to 5466. [2021-12-16 03:59:02,899 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) [2021-12-16 03:59:02,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5466 states to 5466 states and 7694 transitions. [2021-12-16 03:59:02,943 INFO L78 Accepts]: Start accepts. Automaton has 5466 states and 7694 transitions. Word has length 91 [2021-12-16 03:59:02,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:59:02,945 INFO L470 AbstractCegarLoop]: Abstraction has 5466 states and 7694 transitions. [2021-12-16 03:59:02,945 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) [2021-12-16 03:59:02,945 INFO L276 IsEmpty]: Start isEmpty. Operand 5466 states and 7694 transitions. [2021-12-16 03:59:02,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-16 03:59:02,954 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:59:02,954 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] [2021-12-16 03:59:02,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 03:59:02,955 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:59:02,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:59:02,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1806858512, now seen corresponding path program 1 times [2021-12-16 03:59:02,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:59:02,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086776693] [2021-12-16 03:59:02,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:59:02,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:59:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:03,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:59:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:03,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-16 03:59:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:03,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 03:59:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:03,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 03:59:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:03,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-16 03:59:03,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:03,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-16 03:59:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:03,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:59:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:03,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-16 03:59:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:03,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-16 03:59:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:03,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 03:59:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:03,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-16 03:59:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:03,475 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-12-16 03:59:03,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:59:03,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086776693] [2021-12-16 03:59:03,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086776693] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:59:03,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:59:03,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 03:59:03,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060142454] [2021-12-16 03:59:03,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:59:03,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 03:59:03,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:59:03,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 03:59:03,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 03:59:03,485 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) [2021-12-16 03:59:05,561 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:59:16,243 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:59:20,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:59:20,942 INFO L93 Difference]: Finished difference Result 12597 states and 18453 transitions. [2021-12-16 03:59:20,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 03:59:20,943 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 [2021-12-16 03:59:20,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:59:21,033 INFO L225 Difference]: With dead ends: 12597 [2021-12-16 03:59:21,034 INFO L226 Difference]: Without dead ends: 12589 [2021-12-16 03:59:21,045 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 [2021-12-16 03:59:21,046 INFO L933 BasicCegarLoop]: 4164 mSDtfsCounter, 6968 mSDsluCounter, 13553 mSDsCounter, 0 mSdLazyCounter, 7571 mSolverCounterSat, 4368 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7413 SdHoareTripleChecker+Valid, 17717 SdHoareTripleChecker+Invalid, 11939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4368 IncrementalHoareTripleChecker+Valid, 7571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2021-12-16 03:59:21,047 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7413 Valid, 17717 Invalid, 11939 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4368 Valid, 7571 Invalid, 0 Unknown, 0 Unchecked, 16.8s Time] [2021-12-16 03:59:21,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12589 states. [2021-12-16 03:59:21,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12589 to 10937. [2021-12-16 03:59:21,532 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) [2021-12-16 03:59:21,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10937 states to 10937 states and 15475 transitions. [2021-12-16 03:59:21,585 INFO L78 Accepts]: Start accepts. Automaton has 10937 states and 15475 transitions. Word has length 93 [2021-12-16 03:59:21,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:59:21,586 INFO L470 AbstractCegarLoop]: Abstraction has 10937 states and 15475 transitions. [2021-12-16 03:59:21,587 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) [2021-12-16 03:59:21,587 INFO L276 IsEmpty]: Start isEmpty. Operand 10937 states and 15475 transitions. [2021-12-16 03:59:21,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-12-16 03:59:21,631 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:59:21,632 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] [2021-12-16 03:59:21,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 03:59:21,633 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:59:21,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:59:21,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1790915239, now seen corresponding path program 1 times [2021-12-16 03:59:21,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:59:21,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186720716] [2021-12-16 03:59:21,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:59:21,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:59:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:21,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:59:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:21,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-16 03:59:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:21,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 03:59:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:21,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 03:59:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:21,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-16 03:59:21,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:21,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-16 03:59:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:21,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:59:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:21,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-16 03:59:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:21,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-16 03:59:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:21,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 03:59:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-16 03:59:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 03:59:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:59:22,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:59:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 03:59:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:59:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:59:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:59:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:59:22,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 03:59:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 03:59:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-16 03:59:22,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:59:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 03:59:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 03:59:22,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:59:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-16 03:59:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-16 03:59:22,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-16 03:59:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-16 03:59:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-16 03:59:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 03:59:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 03:59:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 03:59:22,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:59:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-16 03:59:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-16 03:59:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-16 03:59:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-16 03:59:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-16 03:59:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:59:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 03:59:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 03:59:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:59:22,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:59:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:59:22,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-16 03:59:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-16 03:59:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-16 03:59:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-16 03:59:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:59:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:59:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 03:59:22,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:59:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-16 03:59:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-16 03:59:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:59:22,915 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-12-16 03:59:22,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:59:22,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186720716] [2021-12-16 03:59:22,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186720716] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:59:22,916 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:59:22,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-12-16 03:59:22,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653965152] [2021-12-16 03:59:22,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:59:22,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-16 03:59:22,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:59:22,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-16 03:59:22,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-12-16 03:59:22,920 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) [2021-12-16 03:59:25,304 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []