./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 17:44:22,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 17:44:22,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 17:44:22,973 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 17:44:22,974 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 17:44:22,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 17:44:22,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 17:44:22,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 17:44:22,979 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 17:44:22,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 17:44:22,981 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 17:44:22,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 17:44:22,982 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 17:44:22,983 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 17:44:22,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 17:44:22,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 17:44:22,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 17:44:22,987 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 17:44:22,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 17:44:22,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 17:44:22,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 17:44:22,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 17:44:22,995 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 17:44:22,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 17:44:22,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 17:44:22,998 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 17:44:22,998 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 17:44:22,999 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 17:44:23,000 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 17:44:23,000 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 17:44:23,001 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 17:44:23,001 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 17:44:23,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 17:44:23,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 17:44:23,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 17:44:23,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 17:44:23,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 17:44:23,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 17:44:23,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 17:44:23,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 17:44:23,007 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 17:44:23,007 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 17:44:23,025 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 17:44:23,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 17:44:23,025 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 17:44:23,026 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 17:44:23,026 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 17:44:23,027 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 17:44:23,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 17:44:23,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 17:44:23,028 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 17:44:23,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 17:44:23,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 17:44:23,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 17:44:23,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 17:44:23,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 17:44:23,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 17:44:23,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 17:44:23,029 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 17:44:23,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 17:44:23,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 17:44:23,030 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 17:44:23,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 17:44:23,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:44:23,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 17:44:23,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 17:44:23,031 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 17:44:23,031 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 17:44:23,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 17:44:23,032 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 17:44:23,032 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 17:44:23,032 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 17:44:23,033 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 17:44:23,033 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29069a6562e86cf14ec2af6e66fde431300c67391fef8a4bef75c88d837db303 [2021-12-14 17:44:23,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 17:44:23,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 17:44:23,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 17:44:23,292 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 17:44:23,292 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 17:44:23,293 INFO L432 ainManager$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 [2021-12-14 17:44:23,352 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/208411a3a/959fdd750f764d1186565e3e99eaef57/FLAG92078ecba [2021-12-14 17:44:24,209 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 17:44:24,209 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 [2021-12-14 17:44:24,273 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/208411a3a/959fdd750f764d1186565e3e99eaef57/FLAG92078ecba [2021-12-14 17:44:24,337 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/208411a3a/959fdd750f764d1186565e3e99eaef57 [2021-12-14 17:44:24,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 17:44:24,362 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 17:44:24,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 17:44:24,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 17:44:24,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 17:44:24,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:44:24" (1/1) ... [2021-12-14 17:44:24,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69382ba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:44:24, skipping insertion in model container [2021-12-14 17:44:24,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:44:24" (1/1) ... [2021-12-14 17:44:24,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 17:44:24,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 17:44:25,113 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] [2021-12-14 17:44:27,161 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:44:27,244 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 17:44:27,340 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] [2021-12-14 17:44:27,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:44:27,889 INFO L208 MainTranslator]: Completed translation [2021-12-14 17:44:27,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:44:27 WrapperNode [2021-12-14 17:44:27,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 17:44:27,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 17:44:27,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 17:44:27,893 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 17:44:27,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:44:27" (1/1) ... [2021-12-14 17:44:28,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:44:27" (1/1) ... [2021-12-14 17:44:28,227 INFO L137 Inliner]: procedures = 458, calls = 3190, calls flagged for inlining = 222, calls inlined = 195, statements flattened = 7513 [2021-12-14 17:44:28,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 17:44:28,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 17:44:28,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 17:44:28,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 17:44:28,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:44:27" (1/1) ... [2021-12-14 17:44:28,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:44:27" (1/1) ... [2021-12-14 17:44:28,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:44:27" (1/1) ... [2021-12-14 17:44:28,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:44:27" (1/1) ... [2021-12-14 17:44:28,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:44:27" (1/1) ... [2021-12-14 17:44:28,528 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:44:27" (1/1) ... [2021-12-14 17:44:28,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:44:27" (1/1) ... [2021-12-14 17:44:28,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 17:44:28,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 17:44:28,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 17:44:28,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 17:44:28,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:44:27" (1/1) ... [2021-12-14 17:44:28,687 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:44:28,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:44:28,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 17:44:28,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 17:44:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-12-14 17:44:28,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-12-14 17:44:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-14 17:44:28,750 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-14 17:44:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-14 17:44:28,751 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-14 17:44:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 17:44:28,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 17:44:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-14 17:44:28,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-14 17:44:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_function_pointers_vf [2021-12-14 17:44:28,751 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_function_pointers_vf [2021-12-14 17:44:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-14 17:44:28,752 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-14 17:44:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-14 17:44:28,752 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-14 17:44:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 17:44:28,752 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 17:44:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 17:44:28,753 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 17:44:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_alloc_rx_buffers [2021-12-14 17:44:28,753 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_alloc_rx_buffers [2021-12-14 17:44:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-14 17:44:28,753 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-14 17:44:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_mac_addr_vf [2021-12-14 17:44:28,753 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_mac_addr_vf [2021-12-14 17:44:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 17:44:28,754 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 17:44:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2021-12-14 17:44:28,754 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2021-12-14 17:44:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_maybe_stop_tx [2021-12-14 17:44:28,754 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_maybe_stop_tx [2021-12-14 17:44:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_mac [2021-12-14 17:44:28,754 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_mac [2021-12-14 17:44:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 17:44:28,755 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 17:44:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-14 17:44:28,755 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-14 17:44:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-14 17:44:28,755 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-14 17:44:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_irq [2021-12-14 17:44:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_irq [2021-12-14 17:44:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-14 17:44:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-14 17:44:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-14 17:44:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_suspend [2021-12-14 17:44:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_suspend [2021-12-14 17:44:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 17:44:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_ioctl [2021-12-14 17:44:28,757 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_ioctl [2021-12-14 17:44:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-14 17:44:28,757 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-14 17:44:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-14 17:44:28,757 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-14 17:44:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-14 17:44:28,758 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-14 17:44:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 17:44:28,758 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 17:44:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 17:44:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_assign_vector [2021-12-14 17:44:28,758 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_assign_vector [2021-12-14 17:44:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 17:44:28,759 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 17:44:28,759 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-14 17:44:28,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-14 17:44:28,759 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_change_mtu [2021-12-14 17:44:28,759 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_change_mtu [2021-12-14 17:44:28,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 17:44:28,759 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_desc_unused [2021-12-14 17:44:28,760 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_desc_unused [2021-12-14 17:44:28,760 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2021-12-14 17:44:28,760 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2021-12-14 17:44:28,760 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_error_detected [2021-12-14 17:44:28,760 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_error_detected [2021-12-14 17:44:28,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 17:44:28,760 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_netpoll [2021-12-14 17:44:28,760 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_netpoll [2021-12-14 17:44:28,761 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 17:44:28,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 17:44:28,761 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-14 17:44:28,761 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-14 17:44:28,761 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset_interrupt_capability [2021-12-14 17:44:28,761 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset_interrupt_capability [2021-12-14 17:44:28,761 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-12-14 17:44:28,762 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-12-14 17:44:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 17:44:28,762 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 17:44:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_msg_vf [2021-12-14 17:44:28,762 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_msg_vf [2021-12-14 17:44:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-14 17:44:28,762 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-14 17:44:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_tx_resources [2021-12-14 17:44:28,763 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_tx_resources [2021-12-14 17:44:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2021-12-14 17:44:28,763 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2021-12-14 17:44:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_3 [2021-12-14 17:44:28,763 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_3 [2021-12-14 17:44:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-14 17:44:28,763 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-14 17:44:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 17:44:28,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 17:44:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2021-12-14 17:44:28,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2021-12-14 17:44:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-14 17:44:28,764 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-14 17:44:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-12-14 17:44:28,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 17:44:28,765 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2021-12-14 17:44:28,765 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2021-12-14 17:44:28,765 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-14 17:44:28,765 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-14 17:44:28,765 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure_msix [2021-12-14 17:44:28,765 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure_msix [2021-12-14 17:44:28,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 17:44:28,766 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-14 17:44:28,766 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-14 17:44:28,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 17:44:28,766 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-14 17:44:28,766 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-14 17:44:28,766 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset [2021-12-14 17:44:28,767 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset [2021-12-14 17:44:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2021-12-14 17:44:28,767 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2021-12-14 17:44:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-14 17:44:28,767 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-14 17:44:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_enable [2021-12-14 17:44:28,767 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_enable [2021-12-14 17:44:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-14 17:44:28,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-14 17:44:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-14 17:44:28,768 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-14 17:44:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reinit_locked [2021-12-14 17:44:28,768 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reinit_locked [2021-12-14 17:44:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 17:44:28,768 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 17:44:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_update_stats [2021-12-14 17:44:28,769 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_update_stats [2021-12-14 17:44:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_add_vid [2021-12-14 17:44:28,769 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_add_vid [2021-12-14 17:44:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 17:44:28,769 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 17:44:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-14 17:44:28,769 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-14 17:44:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_bit_vf [2021-12-14 17:44:28,770 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_bit_vf [2021-12-14 17:44:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2021-12-14 17:44:28,770 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2021-12-14 17:44:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 17:44:28,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 17:44:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-14 17:44:28,771 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-14 17:44:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2021-12-14 17:44:28,771 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2021-12-14 17:44:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-14 17:44:28,771 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-14 17:44:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 17:44:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 17:44:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 17:44:28,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 17:44:28,772 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-14 17:44:28,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-14 17:44:28,772 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2021-12-14 17:44:28,772 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2021-12-14 17:44:28,772 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-14 17:44:28,772 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-14 17:44:28,772 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-14 17:44:28,773 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-14 17:44:28,773 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-14 17:44:28,773 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-14 17:44:28,773 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_down [2021-12-14 17:44:28,773 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_down [2021-12-14 17:44:28,773 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_regs_len [2021-12-14 17:44:28,773 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_regs_len [2021-12-14 17:44:28,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2021-12-14 17:44:28,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2021-12-14 17:44:28,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 17:44:28,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 17:44:28,774 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_irq [2021-12-14 17:44:28,774 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_irq [2021-12-14 17:44:28,774 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-14 17:44:28,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-14 17:44:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-14 17:44:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-14 17:44:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2021-12-14 17:44:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2021-12-14 17:44:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-14 17:44:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-14 17:44:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 17:44:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 17:44:28,776 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 17:44:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 17:44:28,776 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 17:44:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 17:44:28,776 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_ring [2021-12-14 17:44:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_ring [2021-12-14 17:44:28,776 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_v2p_mailbox [2021-12-14 17:44:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_v2p_mailbox [2021-12-14 17:44:28,777 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_3 [2021-12-14 17:44:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_3 [2021-12-14 17:44:28,777 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-14 17:44:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-14 17:44:28,777 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-14 17:44:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-14 17:44:28,777 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-14 17:44:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-14 17:44:28,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2021-12-14 17:44:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2021-12-14 17:44:28,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 17:44:28,778 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 17:44:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 17:44:28,778 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_remove [2021-12-14 17:44:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_remove [2021-12-14 17:44:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-14 17:44:28,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-14 17:44:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-14 17:44:28,779 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-14 17:44:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_disable [2021-12-14 17:44:28,779 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_disable [2021-12-14 17:44:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 17:44:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-14 17:44:28,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-14 17:44:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_slot_reset [2021-12-14 17:44:28,780 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_slot_reset [2021-12-14 17:44:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure [2021-12-14 17:44:28,780 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure [2021-12-14 17:44:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_rx_resources [2021-12-14 17:44:28,780 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_rx_resources [2021-12-14 17:44:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_rx_ring [2021-12-14 17:44:28,781 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_rx_ring [2021-12-14 17:44:28,781 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2021-12-14 17:44:28,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2021-12-14 17:44:28,781 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_obtain_mbx_lock_vf [2021-12-14 17:44:28,781 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_obtain_mbx_lock_vf [2021-12-14 17:44:28,781 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-14 17:44:28,781 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-14 17:44:28,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 17:44:28,782 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_ack_vf [2021-12-14 17:44:28,782 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_ack_vf [2021-12-14 17:44:28,782 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 17:44:28,782 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 17:44:28,782 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-14 17:44:28,782 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-14 17:44:28,782 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 17:44:28,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 17:44:28,783 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_request_irq [2021-12-14 17:44:28,783 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_request_irq [2021-12-14 17:44:28,783 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-14 17:44:28,783 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-14 17:44:28,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 17:44:28,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 17:44:28,783 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_put_txbuf [2021-12-14 17:44:28,783 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_put_txbuf [2021-12-14 17:44:28,784 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2021-12-14 17:44:28,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2021-12-14 17:44:28,784 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2021-12-14 17:44:28,784 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2021-12-14 17:44:28,784 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-12-14 17:44:28,784 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-12-14 17:44:28,784 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-14 17:44:28,785 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-14 17:44:28,785 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 17:44:28,785 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 17:44:28,785 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-14 17:44:28,785 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-14 17:44:28,785 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_shutdown [2021-12-14 17:44:28,785 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_shutdown [2021-12-14 17:44:28,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-14 17:44:28,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-14 17:44:28,786 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 17:44:28,786 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 17:44:28,786 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2021-12-14 17:44:28,786 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2021-12-14 17:44:28,786 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-14 17:44:28,786 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-14 17:44:28,786 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_tx_resources [2021-12-14 17:44:28,787 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_tx_resources [2021-12-14 17:44:28,787 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 17:44:28,787 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 17:44:28,787 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_eeprom_len [2021-12-14 17:44:28,787 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_eeprom_len [2021-12-14 17:44:28,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 17:44:28,787 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_stats [2021-12-14 17:44:28,787 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_stats [2021-12-14 17:44:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2021-12-14 17:44:28,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2021-12-14 17:44:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 17:44:28,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 17:44:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_kill_vid [2021-12-14 17:44:28,788 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_kill_vid [2021-12-14 17:44:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2021-12-14 17:44:28,788 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2021-12-14 17:44:28,789 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-14 17:44:28,789 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-14 17:44:28,789 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-14 17:44:28,789 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-14 17:44:28,789 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-14 17:44:28,790 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-14 17:44:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_resume [2021-12-14 17:44:28,790 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_resume [2021-12-14 17:44:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-14 17:44:28,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-14 17:44:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_3 [2021-12-14 17:44:28,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_3 [2021-12-14 17:44:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-12-14 17:44:28,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-12-14 17:44:28,791 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_rx_resources [2021-12-14 17:44:28,791 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_rx_resources [2021-12-14 17:44:28,791 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_features [2021-12-14 17:44:28,791 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_features [2021-12-14 17:44:28,791 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_multi [2021-12-14 17:44:28,791 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_multi [2021-12-14 17:44:28,791 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_tx_timeout [2021-12-14 17:44:28,792 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_tx_timeout [2021-12-14 17:44:28,792 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-14 17:44:28,792 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-14 17:44:28,792 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-14 17:44:28,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-14 17:44:28,792 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2021-12-14 17:44:28,792 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2021-12-14 17:44:28,792 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-14 17:44:28,793 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-14 17:44:28,793 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_up [2021-12-14 17:44:28,793 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_up [2021-12-14 17:44:28,793 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-14 17:44:28,793 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-14 17:44:28,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 17:44:28,793 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-12-14 17:44:28,793 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-12-14 17:44:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-14 17:44:29,943 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 17:44:29,945 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 17:44:30,236 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 17:44:34,595 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 17:44:34,615 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 17:44:34,616 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-14 17:44:34,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:44:34 BoogieIcfgContainer [2021-12-14 17:44:34,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 17:44:34,621 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 17:44:34,622 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 17:44:34,624 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 17:44:34,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:44:24" (1/3) ... [2021-12-14 17:44:34,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72e3a1b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:44:34, skipping insertion in model container [2021-12-14 17:44:34,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:44:27" (2/3) ... [2021-12-14 17:44:34,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72e3a1b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:44:34, skipping insertion in model container [2021-12-14 17:44:34,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:44:34" (3/3) ... [2021-12-14 17:44:34,627 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 [2021-12-14 17:44:34,632 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 17:44:34,632 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 17:44:34,681 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 17:44:34,687 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 17:44:34,687 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 17:44:34,743 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) [2021-12-14 17:44:34,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-12-14 17:44:34,757 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:44:34,758 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] [2021-12-14 17:44:34,758 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:44:34,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:44:34,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1350737997, now seen corresponding path program 1 times [2021-12-14 17:44:34,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:44:34,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458348630] [2021-12-14 17:44:34,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:44:34,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:44:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:44:35,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:44:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:44:35,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:44:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:44:35,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:44:35,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:44:35,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:44:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:44:35,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:44:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:44:35,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:44:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:44:35,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-14 17:44:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:44:35,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 17:44:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:44:35,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 17:44:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:44:35,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 17:44:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:44:35,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 17:44:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:44:35,553 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-12-14 17:44:35,554 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:44:35,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458348630] [2021-12-14 17:44:35,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458348630] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:44:35,555 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:44:35,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 17:44:35,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632308469] [2021-12-14 17:44:35,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:44:35,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 17:44:35,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:44:35,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 17:44:35,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 17:44:35,592 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) [2021-12-14 17:44:38,662 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:44:45,499 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:44:51,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:44:51,930 INFO L93 Difference]: Finished difference Result 9158 states and 13449 transitions. [2021-12-14 17:44:51,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 17:44:51,936 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 [2021-12-14 17:44:51,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:44:52,005 INFO L225 Difference]: With dead ends: 9158 [2021-12-14 17:44:52,005 INFO L226 Difference]: Without dead ends: 6316 [2021-12-14 17:44:52,026 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 [2021-12-14 17:44:52,031 INFO L933 BasicCegarLoop]: 4189 mSDtfsCounter, 6992 mSDsluCounter, 6203 mSDsCounter, 0 mSdLazyCounter, 5071 mSolverCounterSat, 4414 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7437 SdHoareTripleChecker+Valid, 10392 SdHoareTripleChecker+Invalid, 9486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4414 IncrementalHoareTripleChecker+Valid, 5071 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2021-12-14 17:44:52,033 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7437 Valid, 10392 Invalid, 9486 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4414 Valid, 5071 Invalid, 1 Unknown, 0 Unchecked, 15.7s Time] [2021-12-14 17:44:52,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6316 states. [2021-12-14 17:44:52,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6316 to 5466. [2021-12-14 17:44:52,341 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) [2021-12-14 17:44:52,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5466 states to 5466 states and 7694 transitions. [2021-12-14 17:44:52,388 INFO L78 Accepts]: Start accepts. Automaton has 5466 states and 7694 transitions. Word has length 91 [2021-12-14 17:44:52,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:44:52,389 INFO L470 AbstractCegarLoop]: Abstraction has 5466 states and 7694 transitions. [2021-12-14 17:44:52,389 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) [2021-12-14 17:44:52,390 INFO L276 IsEmpty]: Start isEmpty. Operand 5466 states and 7694 transitions. [2021-12-14 17:44:52,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-14 17:44:52,395 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:44:52,395 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] [2021-12-14 17:44:52,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 17:44:52,396 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:44:52,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:44:52,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1806858512, now seen corresponding path program 1 times [2021-12-14 17:44:52,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:44:52,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324707478] [2021-12-14 17:44:52,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:44:52,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:44:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:44:52,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:44:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:44:52,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:44:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:44:52,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:44:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:44:52,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:44:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:44:52,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:44:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:44:52,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:44:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:44:52,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-14 17:44:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:44:52,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 17:44:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:44:52,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 17:44:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:44:52,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 17:44:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:44:52,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 17:44:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:44:52,843 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-12-14 17:44:52,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:44:52,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324707478] [2021-12-14 17:44:52,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324707478] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:44:52,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:44:52,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 17:44:52,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259043019] [2021-12-14 17:44:52,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:44:52,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 17:44:52,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:44:52,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 17:44:52,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-14 17:44:52,853 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) [2021-12-14 17:44:55,566 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:45:09,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:45:09,097 INFO L93 Difference]: Finished difference Result 12597 states and 18453 transitions. [2021-12-14 17:45:09,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 17:45:09,098 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 [2021-12-14 17:45:09,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:45:09,174 INFO L225 Difference]: With dead ends: 12597 [2021-12-14 17:45:09,174 INFO L226 Difference]: Without dead ends: 12589 [2021-12-14 17:45:09,184 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 [2021-12-14 17:45:09,185 INFO L933 BasicCegarLoop]: 4183 mSDtfsCounter, 6968 mSDsluCounter, 13599 mSDsCounter, 0 mSdLazyCounter, 7577 mSolverCounterSat, 4355 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7413 SdHoareTripleChecker+Valid, 17782 SdHoareTripleChecker+Invalid, 11932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4355 IncrementalHoareTripleChecker+Valid, 7577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2021-12-14 17:45:09,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7413 Valid, 17782 Invalid, 11932 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4355 Valid, 7577 Invalid, 0 Unknown, 0 Unchecked, 15.6s Time] [2021-12-14 17:45:09,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12589 states. [2021-12-14 17:45:09,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12589 to 10937. [2021-12-14 17:45:09,651 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) [2021-12-14 17:45:09,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10937 states to 10937 states and 15475 transitions. [2021-12-14 17:45:09,695 INFO L78 Accepts]: Start accepts. Automaton has 10937 states and 15475 transitions. Word has length 93 [2021-12-14 17:45:09,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:45:09,696 INFO L470 AbstractCegarLoop]: Abstraction has 10937 states and 15475 transitions. [2021-12-14 17:45:09,697 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) [2021-12-14 17:45:09,697 INFO L276 IsEmpty]: Start isEmpty. Operand 10937 states and 15475 transitions. [2021-12-14 17:45:09,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-12-14 17:45:09,739 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:45:09,740 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] [2021-12-14 17:45:09,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 17:45:09,740 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:45:09,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:45:09,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1790915239, now seen corresponding path program 1 times [2021-12-14 17:45:09,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:45:09,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401307821] [2021-12-14 17:45:09,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:45:09,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:45:09,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:45:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:45:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:45:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:45:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:45:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:45:10,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-14 17:45:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 17:45:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 17:45:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 17:45:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 17:45:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 17:45:10,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-14 17:45:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 17:45:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 17:45:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-14 17:45:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:45:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 17:45:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 17:45:10,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:45:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 17:45:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 17:45:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 17:45:10,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-14 17:45:10,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-14 17:45:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-14 17:45:10,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-14 17:45:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 17:45:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-14 17:45:10,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-14 17:45:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:10,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-14 17:45:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-14 17:45:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-14 17:45:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 17:45:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-14 17:45:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:45:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 17:45:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 17:45:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-14 17:45:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-14 17:45:10,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:45:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:10,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:11,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-14 17:45:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:11,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 17:45:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:11,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-14 17:45:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:11,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-14 17:45:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:11,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-14 17:45:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:11,045 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-12-14 17:45:11,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:45:11,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401307821] [2021-12-14 17:45:11,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401307821] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:45:11,047 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:45:11,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-12-14 17:45:11,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270917690] [2021-12-14 17:45:11,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:45:11,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-14 17:45:11,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:45:11,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-14 17:45:11,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-12-14 17:45:11,051 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) [2021-12-14 17:45:13,515 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:45:15,548 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []