./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 ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--igbvf--igbvf.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 29069a6562e86cf14ec2af6e66fde431300c67391fef8a4bef75c88d837db303 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 16:12:00,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:12:00,080 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:12:00,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:12:00,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:12:00,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:12:00,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:12:00,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:12:00,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:12:00,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:12:00,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:12:00,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:12:00,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:12:00,132 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:12:00,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:12:00,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:12:00,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:12:00,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:12:00,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:12:00,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:12:00,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:12:00,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:12:00,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:12:00,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:12:00,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:12:00,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:12:00,151 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:12:00,152 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:12:00,152 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:12:00,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:12:00,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:12:00,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:12:00,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:12:00,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:12:00,157 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:12:00,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:12:00,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:12:00,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:12:00,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:12:00,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:12:00,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:12:00,160 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:12:00,186 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:12:00,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:12:00,188 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:12:00,188 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:12:00,188 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:12:00,189 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:12:00,189 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:12:00,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:12:00,190 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:12:00,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:12:00,190 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:12:00,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:12:00,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:12:00,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:12:00,191 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:12:00,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:12:00,191 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:12:00,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:12:00,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:12:00,192 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:12:00,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:12:00,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:12:00,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:12:00,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:12:00,193 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:12:00,193 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:12:00,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:12:00,193 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:12:00,193 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:12:00,194 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:12:00,194 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:12:00,194 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29069a6562e86cf14ec2af6e66fde431300c67391fef8a4bef75c88d837db303 [2021-12-21 16:12:00,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:12:00,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:12:00,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:12:00,406 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:12:00,406 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:12:00,407 INFO L432 ainManager$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 [2021-12-21 16:12:00,451 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02f95349d/b9c89d54e670423ca9b15b1bc4bd083a/FLAG3d7d8d05e [2021-12-21 16:12:01,037 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:12:01,038 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 [2021-12-21 16:12:01,083 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02f95349d/b9c89d54e670423ca9b15b1bc4bd083a/FLAG3d7d8d05e [2021-12-21 16:12:01,219 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02f95349d/b9c89d54e670423ca9b15b1bc4bd083a [2021-12-21 16:12:01,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:12:01,222 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:12:01,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:12:01,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:12:01,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:12:01,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:12:01" (1/1) ... [2021-12-21 16:12:01,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a89550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:12:01, skipping insertion in model container [2021-12-21 16:12:01,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:12:01" (1/1) ... [2021-12-21 16:12:01,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:12:01,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:12:01,866 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] [2021-12-21 16:12:03,717 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:12:03,772 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:12:03,874 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] [2021-12-21 16:12:04,118 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:12:04,325 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:12:04,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:12:04 WrapperNode [2021-12-21 16:12:04,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:12:04,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:12:04,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:12:04,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:12:04,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:12:04" (1/1) ... [2021-12-21 16:12:04,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:12:04" (1/1) ... [2021-12-21 16:12:04,627 INFO L137 Inliner]: procedures = 458, calls = 3190, calls flagged for inlining = 222, calls inlined = 195, statements flattened = 7513 [2021-12-21 16:12:04,628 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:12:04,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:12:04,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:12:04,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:12:04,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:12:04" (1/1) ... [2021-12-21 16:12:04,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:12:04" (1/1) ... [2021-12-21 16:12:04,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:12:04" (1/1) ... [2021-12-21 16:12:04,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:12:04" (1/1) ... [2021-12-21 16:12:04,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:12:04" (1/1) ... [2021-12-21 16:12:04,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:12:04" (1/1) ... [2021-12-21 16:12:04,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:12:04" (1/1) ... [2021-12-21 16:12:04,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:12:04,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:12:04,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:12:04,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:12:04,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:12:04" (1/1) ... [2021-12-21 16:12:04,956 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:12:04,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:12:04,999 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) [2021-12-21 16:12:05,025 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 [2021-12-21 16:12:05,036 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-12-21 16:12:05,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-12-21 16:12:05,037 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-21 16:12:05,037 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-21 16:12:05,037 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-21 16:12:05,037 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-21 16:12:05,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:12:05,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:12:05,037 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-21 16:12:05,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-21 16:12:05,038 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_function_pointers_vf [2021-12-21 16:12:05,038 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_function_pointers_vf [2021-12-21 16:12:05,038 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-21 16:12:05,038 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-21 16:12:05,038 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-21 16:12:05,038 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-21 16:12:05,038 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-21 16:12:05,038 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-21 16:12:05,039 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-21 16:12:05,039 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-21 16:12:05,039 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_alloc_rx_buffers [2021-12-21 16:12:05,039 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_alloc_rx_buffers [2021-12-21 16:12:05,039 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-21 16:12:05,039 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-21 16:12:05,039 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_mac_addr_vf [2021-12-21 16:12:05,040 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_mac_addr_vf [2021-12-21 16:12:05,040 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 16:12:05,040 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 16:12:05,040 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2021-12-21 16:12:05,040 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2021-12-21 16:12:05,040 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_maybe_stop_tx [2021-12-21 16:12:05,040 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_maybe_stop_tx [2021-12-21 16:12:05,040 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_mac [2021-12-21 16:12:05,041 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_mac [2021-12-21 16:12:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-21 16:12:05,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-21 16:12:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-21 16:12:05,041 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-21 16:12:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-21 16:12:05,041 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-21 16:12:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_irq [2021-12-21 16:12:05,042 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_irq [2021-12-21 16:12:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-21 16:12:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-21 16:12:05,042 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-21 16:12:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_suspend [2021-12-21 16:12:05,042 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_suspend [2021-12-21 16:12:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:12:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_ioctl [2021-12-21 16:12:05,042 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_ioctl [2021-12-21 16:12:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-21 16:12:05,043 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-21 16:12:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-21 16:12:05,043 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-21 16:12:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-21 16:12:05,043 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-21 16:12:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-21 16:12:05,043 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-21 16:12:05,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 16:12:05,044 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_assign_vector [2021-12-21 16:12:05,044 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_assign_vector [2021-12-21 16:12:05,044 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-21 16:12:05,044 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-21 16:12:05,044 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-21 16:12:05,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-21 16:12:05,044 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_change_mtu [2021-12-21 16:12:05,044 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_change_mtu [2021-12-21 16:12:05,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 16:12:05,045 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_desc_unused [2021-12-21 16:12:05,045 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_desc_unused [2021-12-21 16:12:05,045 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2021-12-21 16:12:05,045 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2021-12-21 16:12:05,045 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_error_detected [2021-12-21 16:12:05,045 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_error_detected [2021-12-21 16:12:05,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:12:05,046 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_netpoll [2021-12-21 16:12:05,046 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_netpoll [2021-12-21 16:12:05,046 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-21 16:12:05,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-21 16:12:05,046 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-21 16:12:05,046 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-21 16:12:05,046 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset_interrupt_capability [2021-12-21 16:12:05,046 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset_interrupt_capability [2021-12-21 16:12:05,046 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-12-21 16:12:05,047 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-12-21 16:12:05,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 16:12:05,047 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 16:12:05,047 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_msg_vf [2021-12-21 16:12:05,047 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_msg_vf [2021-12-21 16:12:05,047 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-21 16:12:05,047 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-21 16:12:05,047 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_tx_resources [2021-12-21 16:12:05,047 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_tx_resources [2021-12-21 16:12:05,048 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2021-12-21 16:12:05,048 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2021-12-21 16:12:05,048 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_3 [2021-12-21 16:12:05,048 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_3 [2021-12-21 16:12:05,048 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-21 16:12:05,048 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-21 16:12:05,048 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-21 16:12:05,048 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-21 16:12:05,048 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2021-12-21 16:12:05,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2021-12-21 16:12:05,049 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-21 16:12:05,049 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-21 16:12:05,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-12-21 16:12:05,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:12:05,049 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2021-12-21 16:12:05,049 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2021-12-21 16:12:05,049 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-21 16:12:05,049 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-21 16:12:05,050 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure_msix [2021-12-21 16:12:05,050 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure_msix [2021-12-21 16:12:05,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:12:05,050 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-21 16:12:05,050 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-21 16:12:05,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:12:05,050 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-21 16:12:05,050 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-21 16:12:05,051 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset [2021-12-21 16:12:05,051 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset [2021-12-21 16:12:05,051 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2021-12-21 16:12:05,051 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2021-12-21 16:12:05,051 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-21 16:12:05,051 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-21 16:12:05,051 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_enable [2021-12-21 16:12:05,051 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_enable [2021-12-21 16:12:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-21 16:12:05,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-21 16:12:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-21 16:12:05,052 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-21 16:12:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reinit_locked [2021-12-21 16:12:05,052 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reinit_locked [2021-12-21 16:12:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-21 16:12:05,052 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-21 16:12:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_update_stats [2021-12-21 16:12:05,053 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_update_stats [2021-12-21 16:12:05,053 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_add_vid [2021-12-21 16:12:05,053 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_add_vid [2021-12-21 16:12:05,053 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-21 16:12:05,053 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-21 16:12:05,053 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-21 16:12:05,053 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-21 16:12:05,053 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_bit_vf [2021-12-21 16:12:05,053 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_bit_vf [2021-12-21 16:12:05,053 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2021-12-21 16:12:05,054 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2021-12-21 16:12:05,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:12:05,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:12:05,054 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-21 16:12:05,054 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-21 16:12:05,054 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2021-12-21 16:12:05,054 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2021-12-21 16:12:05,054 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-21 16:12:05,054 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-21 16:12:05,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 16:12:05,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 16:12:05,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:12:05,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:12:05,055 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-21 16:12:05,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-21 16:12:05,055 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2021-12-21 16:12:05,055 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2021-12-21 16:12:05,055 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-21 16:12:05,056 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-21 16:12:05,056 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-21 16:12:05,056 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-21 16:12:05,056 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-21 16:12:05,056 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-21 16:12:05,056 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_down [2021-12-21 16:12:05,056 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_down [2021-12-21 16:12:05,056 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_regs_len [2021-12-21 16:12:05,056 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_regs_len [2021-12-21 16:12:05,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2021-12-21 16:12:05,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2021-12-21 16:12:05,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:12:05,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:12:05,057 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_irq [2021-12-21 16:12:05,057 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_irq [2021-12-21 16:12:05,057 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-21 16:12:05,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-21 16:12:05,057 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-21 16:12:05,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-21 16:12:05,058 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2021-12-21 16:12:05,058 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2021-12-21 16:12:05,058 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-21 16:12:05,058 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-21 16:12:05,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 16:12:05,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 16:12:05,058 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:12:05,058 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:12:05,058 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-21 16:12:05,058 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-21 16:12:05,059 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_ring [2021-12-21 16:12:05,059 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_ring [2021-12-21 16:12:05,059 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_v2p_mailbox [2021-12-21 16:12:05,059 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_v2p_mailbox [2021-12-21 16:12:05,059 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_3 [2021-12-21 16:12:05,059 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_3 [2021-12-21 16:12:05,059 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-21 16:12:05,059 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-21 16:12:05,059 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-21 16:12:05,060 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-21 16:12:05,060 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-21 16:12:05,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-21 16:12:05,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2021-12-21 16:12:05,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2021-12-21 16:12:05,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:12:05,060 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-21 16:12:05,060 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-21 16:12:05,060 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_remove [2021-12-21 16:12:05,061 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_remove [2021-12-21 16:12:05,061 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-21 16:12:05,061 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-21 16:12:05,061 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-21 16:12:05,061 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-21 16:12:05,061 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_disable [2021-12-21 16:12:05,061 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_disable [2021-12-21 16:12:05,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:12:05,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-21 16:12:05,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-21 16:12:05,062 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_slot_reset [2021-12-21 16:12:05,062 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_slot_reset [2021-12-21 16:12:05,062 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure [2021-12-21 16:12:05,062 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure [2021-12-21 16:12:05,062 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_rx_resources [2021-12-21 16:12:05,062 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_rx_resources [2021-12-21 16:12:05,062 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_rx_ring [2021-12-21 16:12:05,062 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_rx_ring [2021-12-21 16:12:05,063 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2021-12-21 16:12:05,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2021-12-21 16:12:05,063 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_obtain_mbx_lock_vf [2021-12-21 16:12:05,063 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_obtain_mbx_lock_vf [2021-12-21 16:12:05,063 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-21 16:12:05,063 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-21 16:12:05,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:12:05,063 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_ack_vf [2021-12-21 16:12:05,063 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_ack_vf [2021-12-21 16:12:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-21 16:12:05,064 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-21 16:12:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-21 16:12:05,064 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-21 16:12:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-21 16:12:05,064 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-21 16:12:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_request_irq [2021-12-21 16:12:05,064 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_request_irq [2021-12-21 16:12:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-21 16:12:05,065 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-21 16:12:05,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-21 16:12:05,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-21 16:12:05,065 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_put_txbuf [2021-12-21 16:12:05,065 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_put_txbuf [2021-12-21 16:12:05,065 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2021-12-21 16:12:05,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2021-12-21 16:12:05,065 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2021-12-21 16:12:05,065 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2021-12-21 16:12:05,066 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-12-21 16:12:05,066 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-12-21 16:12:05,066 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-21 16:12:05,066 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-21 16:12:05,066 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-21 16:12:05,066 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-21 16:12:05,066 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-21 16:12:05,066 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-21 16:12:05,066 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_shutdown [2021-12-21 16:12:05,067 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_shutdown [2021-12-21 16:12:05,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-21 16:12:05,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-21 16:12:05,067 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-21 16:12:05,067 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-21 16:12:05,067 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2021-12-21 16:12:05,067 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2021-12-21 16:12:05,067 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-21 16:12:05,068 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-21 16:12:05,068 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_tx_resources [2021-12-21 16:12:05,068 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_tx_resources [2021-12-21 16:12:05,068 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 16:12:05,068 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 16:12:05,068 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_eeprom_len [2021-12-21 16:12:05,068 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_eeprom_len [2021-12-21 16:12:05,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:12:05,069 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_stats [2021-12-21 16:12:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_stats [2021-12-21 16:12:05,069 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2021-12-21 16:12:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2021-12-21 16:12:05,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:12:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:12:05,069 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_kill_vid [2021-12-21 16:12:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_kill_vid [2021-12-21 16:12:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2021-12-21 16:12:05,070 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2021-12-21 16:12:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-21 16:12:05,070 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-21 16:12:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-21 16:12:05,070 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-21 16:12:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-21 16:12:05,070 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-21 16:12:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_resume [2021-12-21 16:12:05,071 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_resume [2021-12-21 16:12:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-21 16:12:05,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-21 16:12:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_3 [2021-12-21 16:12:05,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_3 [2021-12-21 16:12:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-12-21 16:12:05,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-12-21 16:12:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_rx_resources [2021-12-21 16:12:05,072 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_rx_resources [2021-12-21 16:12:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_features [2021-12-21 16:12:05,072 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_features [2021-12-21 16:12:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_multi [2021-12-21 16:12:05,072 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_multi [2021-12-21 16:12:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_tx_timeout [2021-12-21 16:12:05,073 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_tx_timeout [2021-12-21 16:12:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-21 16:12:05,073 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-21 16:12:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-21 16:12:05,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-21 16:12:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2021-12-21 16:12:05,073 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2021-12-21 16:12:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-21 16:12:05,073 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-21 16:12:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_up [2021-12-21 16:12:05,074 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_up [2021-12-21 16:12:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-21 16:12:05,074 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-21 16:12:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:12:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-12-21 16:12:05,074 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-12-21 16:12:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-21 16:12:05,873 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:12:05,875 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:12:06,110 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:12:11,850 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:12:11,875 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:12:11,876 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-21 16:12:11,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:12:11 BoogieIcfgContainer [2021-12-21 16:12:11,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:12:11,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:12:11,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:12:11,883 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:12:11,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:12:01" (1/3) ... [2021-12-21 16:12:11,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc5d631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:12:11, skipping insertion in model container [2021-12-21 16:12:11,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:12:04" (2/3) ... [2021-12-21 16:12:11,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc5d631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:12:11, skipping insertion in model container [2021-12-21 16:12:11,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:12:11" (3/3) ... [2021-12-21 16:12:11,887 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 [2021-12-21 16:12:11,890 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:12:11,890 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:12:11,925 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:12:11,929 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 [2021-12-21 16:12:11,929 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:12:11,972 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) [2021-12-21 16:12:11,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-12-21 16:12:11,983 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:12:11,984 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] [2021-12-21 16:12:11,984 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:12:11,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:12:11,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1350737997, now seen corresponding path program 1 times [2021-12-21 16:12:11,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:12:11,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870089468] [2021-12-21 16:12:11,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:12:11,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:12:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:12,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:12:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:12,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:12:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:12,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:12:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:12,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 16:12:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:12,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:12:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:12,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 16:12:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:12,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 16:12:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:12,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-21 16:12:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:12,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-21 16:12:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:12,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 16:12:12,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:12,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 16:12:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:12,601 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-12-21 16:12:12,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:12:12,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870089468] [2021-12-21 16:12:12,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870089468] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:12:12,602 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:12:12,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:12:12,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456017138] [2021-12-21 16:12:12,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:12:12,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:12:12,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:12:12,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:12:12,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:12:12,627 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) [2021-12-21 16:12:20,269 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 [] [2021-12-21 16:12:26,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:12:26,309 INFO L93 Difference]: Finished difference Result 9158 states and 13449 transitions. [2021-12-21 16:12:26,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 16:12:26,312 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 [2021-12-21 16:12:26,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:12:26,359 INFO L225 Difference]: With dead ends: 9158 [2021-12-21 16:12:26,360 INFO L226 Difference]: Without dead ends: 6316 [2021-12-21 16:12:26,376 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 [2021-12-21 16:12:26,378 INFO L933 BasicCegarLoop]: 4190 mSDtfsCounter, 6989 mSDsluCounter, 6206 mSDsCounter, 0 mSdLazyCounter, 5071 mSolverCounterSat, 4415 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7432 SdHoareTripleChecker+Valid, 10396 SdHoareTripleChecker+Invalid, 9487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4415 IncrementalHoareTripleChecker+Valid, 5071 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2021-12-21 16:12:26,379 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7432 Valid, 10396 Invalid, 9487 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4415 Valid, 5071 Invalid, 1 Unknown, 0 Unchecked, 13.0s Time] [2021-12-21 16:12:26,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6316 states. [2021-12-21 16:12:26,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6316 to 5466. [2021-12-21 16:12:26,629 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) [2021-12-21 16:12:26,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5466 states to 5466 states and 7694 transitions. [2021-12-21 16:12:26,657 INFO L78 Accepts]: Start accepts. Automaton has 5466 states and 7694 transitions. Word has length 91 [2021-12-21 16:12:26,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:12:26,657 INFO L470 AbstractCegarLoop]: Abstraction has 5466 states and 7694 transitions. [2021-12-21 16:12:26,658 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) [2021-12-21 16:12:26,658 INFO L276 IsEmpty]: Start isEmpty. Operand 5466 states and 7694 transitions. [2021-12-21 16:12:26,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-21 16:12:26,664 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:12:26,664 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] [2021-12-21 16:12:26,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 16:12:26,665 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:12:26,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:12:26,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1806858512, now seen corresponding path program 1 times [2021-12-21 16:12:26,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:12:26,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860573399] [2021-12-21 16:12:26,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:12:26,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:12:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:26,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:12:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:27,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:12:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:27,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:12:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:27,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 16:12:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:27,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:12:27,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:27,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 16:12:27,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:27,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 16:12:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:27,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-21 16:12:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:27,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-21 16:12:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:27,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 16:12:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:27,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 16:12:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:27,174 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-12-21 16:12:27,174 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:12:27,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860573399] [2021-12-21 16:12:27,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860573399] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:12:27,175 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:12:27,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 16:12:27,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402341689] [2021-12-21 16:12:27,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:12:27,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 16:12:27,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:12:27,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 16:12:27,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 16:12:27,178 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) [2021-12-21 16:12:31,075 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:12:32,144 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:12:44,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:12:44,350 INFO L93 Difference]: Finished difference Result 12597 states and 18453 transitions. [2021-12-21 16:12:44,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 16:12:44,351 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 [2021-12-21 16:12:44,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:12:44,440 INFO L225 Difference]: With dead ends: 12597 [2021-12-21 16:12:44,440 INFO L226 Difference]: Without dead ends: 12589 [2021-12-21 16:12:44,451 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 [2021-12-21 16:12:44,452 INFO L933 BasicCegarLoop]: 4151 mSDtfsCounter, 6977 mSDsluCounter, 13517 mSDsCounter, 0 mSdLazyCounter, 7545 mSolverCounterSat, 4371 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7425 SdHoareTripleChecker+Valid, 17668 SdHoareTripleChecker+Invalid, 11916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4371 IncrementalHoareTripleChecker+Valid, 7545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2021-12-21 16:12:44,452 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7425 Valid, 17668 Invalid, 11916 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4371 Valid, 7545 Invalid, 0 Unknown, 0 Unchecked, 16.5s Time] [2021-12-21 16:12:44,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12589 states. [2021-12-21 16:12:44,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12589 to 10937. [2021-12-21 16:12:44,883 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) [2021-12-21 16:12:44,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10937 states to 10937 states and 15475 transitions. [2021-12-21 16:12:44,927 INFO L78 Accepts]: Start accepts. Automaton has 10937 states and 15475 transitions. Word has length 93 [2021-12-21 16:12:44,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:12:44,928 INFO L470 AbstractCegarLoop]: Abstraction has 10937 states and 15475 transitions. [2021-12-21 16:12:44,929 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) [2021-12-21 16:12:44,929 INFO L276 IsEmpty]: Start isEmpty. Operand 10937 states and 15475 transitions. [2021-12-21 16:12:44,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-12-21 16:12:44,980 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:12:44,981 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] [2021-12-21 16:12:44,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 16:12:44,985 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:12:44,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:12:44,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1790915239, now seen corresponding path program 1 times [2021-12-21 16:12:44,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:12:44,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036724126] [2021-12-21 16:12:44,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:12:44,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:12:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:12:45,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:12:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:12:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 16:12:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:12:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 16:12:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 16:12:45,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-21 16:12:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-21 16:12:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 16:12:45,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 16:12:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 16:12:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:12:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 16:12:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 16:12:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 16:12:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:12:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 16:12:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:12:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:12:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 16:12:45,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-21 16:12:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:12:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:12:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 16:12:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 16:12:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-21 16:12:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-21 16:12:45,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-21 16:12:45,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-21 16:12:45,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-21 16:12:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 16:12:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-21 16:12:45,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 16:12:45,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:12:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-21 16:12:45,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-21 16:12:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-21 16:12:45,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 16:12:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-21 16:12:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:12:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:12:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 16:12:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:12:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:12:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:12:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:45,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-21 16:12:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:46,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-21 16:12:46,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:46,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-21 16:12:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:46,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:12:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:46,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:12:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:46,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 16:12:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:46,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:12:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:46,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 16:12:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:46,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-21 16:12:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:46,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-21 16:12:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:12:46,100 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-12-21 16:12:46,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:12:46,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036724126] [2021-12-21 16:12:46,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036724126] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:12:46,101 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:12:46,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-12-21 16:12:46,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152400142] [2021-12-21 16:12:46,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:12:46,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-21 16:12:46,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:12:46,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-21 16:12:46,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-12-21 16:12:46,105 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) [2021-12-21 16:12:48,181 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:12:50,186 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:12:52,206 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:12:53,718 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:12:55,366 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:12:58,130 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:13:00,168 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []