./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 e19ca921 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-e19ca92 [2021-12-22 14:38:33,506 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 14:38:33,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 14:38:33,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 14:38:33,544 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 14:38:33,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 14:38:33,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 14:38:33,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 14:38:33,552 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 14:38:33,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 14:38:33,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 14:38:33,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 14:38:33,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 14:38:33,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 14:38:33,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 14:38:33,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 14:38:33,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 14:38:33,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 14:38:33,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 14:38:33,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 14:38:33,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 14:38:33,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 14:38:33,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 14:38:33,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 14:38:33,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 14:38:33,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 14:38:33,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 14:38:33,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 14:38:33,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 14:38:33,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 14:38:33,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 14:38:33,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 14:38:33,590 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 14:38:33,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 14:38:33,592 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 14:38:33,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 14:38:33,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 14:38:33,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 14:38:33,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 14:38:33,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 14:38:33,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 14:38:33,596 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 14:38:33,621 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 14:38:33,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 14:38:33,622 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 14:38:33,622 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 14:38:33,623 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 14:38:33,623 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 14:38:33,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 14:38:33,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 14:38:33,624 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 14:38:33,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 14:38:33,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 14:38:33,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 14:38:33,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 14:38:33,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 14:38:33,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 14:38:33,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 14:38:33,625 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 14:38:33,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 14:38:33,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 14:38:33,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 14:38:33,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 14:38:33,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:38:33,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 14:38:33,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 14:38:33,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 14:38:33,627 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 14:38:33,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 14:38:33,627 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 14:38:33,628 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 14:38:33,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 14:38:33,628 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 14:38:33,628 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29069a6562e86cf14ec2af6e66fde431300c67391fef8a4bef75c88d837db303 [2021-12-22 14:38:33,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 14:38:33,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 14:38:33,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 14:38:33,909 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 14:38:33,909 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 14:38:33,910 INFO L432 ainManager$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 [2021-12-22 14:38:33,963 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/751405c4b/d1c99522595d4afc9d934edd345725f8/FLAG1f25c35a6 [2021-12-22 14:38:34,778 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 14:38:34,779 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 [2021-12-22 14:38:34,840 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/751405c4b/d1c99522595d4afc9d934edd345725f8/FLAG1f25c35a6 [2021-12-22 14:38:35,286 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/751405c4b/d1c99522595d4afc9d934edd345725f8 [2021-12-22 14:38:35,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 14:38:35,290 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 14:38:35,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 14:38:35,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 14:38:35,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 14:38:35,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:38:35" (1/1) ... [2021-12-22 14:38:35,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55d40a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:38:35, skipping insertion in model container [2021-12-22 14:38:35,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:38:35" (1/1) ... [2021-12-22 14:38:35,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 14:38:35,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:38:36,146 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] [2021-12-22 14:38:38,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:38:38,525 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 14:38:38,635 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] [2021-12-22 14:38:38,931 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:38:39,136 INFO L208 MainTranslator]: Completed translation [2021-12-22 14:38:39,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:38:39 WrapperNode [2021-12-22 14:38:39,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 14:38:39,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 14:38:39,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 14:38:39,138 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 14:38:39,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:38:39" (1/1) ... [2021-12-22 14:38:39,252 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:38:39" (1/1) ... [2021-12-22 14:38:39,421 INFO L137 Inliner]: procedures = 458, calls = 3190, calls flagged for inlining = 222, calls inlined = 195, statements flattened = 7513 [2021-12-22 14:38:39,421 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 14:38:39,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 14:38:39,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 14:38:39,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 14:38:39,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:38:39" (1/1) ... [2021-12-22 14:38:39,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:38:39" (1/1) ... [2021-12-22 14:38:39,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:38:39" (1/1) ... [2021-12-22 14:38:39,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:38:39" (1/1) ... [2021-12-22 14:38:39,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:38:39" (1/1) ... [2021-12-22 14:38:39,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:38:39" (1/1) ... [2021-12-22 14:38:39,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:38:39" (1/1) ... [2021-12-22 14:38:39,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 14:38:39,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 14:38:39,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 14:38:39,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 14:38:39,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:38:39" (1/1) ... [2021-12-22 14:38:39,786 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:38:39,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:38:39,808 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) [2021-12-22 14:38:39,829 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 [2021-12-22 14:38:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-12-22 14:38:39,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-12-22 14:38:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-22 14:38:39,850 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-22 14:38:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 14:38:39,850 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 14:38:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 14:38:39,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 14:38:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-22 14:38:39,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-22 14:38:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_function_pointers_vf [2021-12-22 14:38:39,851 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_function_pointers_vf [2021-12-22 14:38:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-22 14:38:39,852 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-22 14:38:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-22 14:38:39,852 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-22 14:38:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 14:38:39,852 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 14:38:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 14:38:39,853 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 14:38:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_alloc_rx_buffers [2021-12-22 14:38:39,853 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_alloc_rx_buffers [2021-12-22 14:38:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-22 14:38:39,853 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-22 14:38:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_mac_addr_vf [2021-12-22 14:38:39,853 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_mac_addr_vf [2021-12-22 14:38:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 14:38:39,854 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 14:38:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2021-12-22 14:38:39,854 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2021-12-22 14:38:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_maybe_stop_tx [2021-12-22 14:38:39,854 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_maybe_stop_tx [2021-12-22 14:38:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_mac [2021-12-22 14:38:39,854 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_mac [2021-12-22 14:38:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 14:38:39,855 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 14:38:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-22 14:38:39,855 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-22 14:38:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-22 14:38:39,855 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-22 14:38:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_irq [2021-12-22 14:38:39,856 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_irq [2021-12-22 14:38:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-22 14:38:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-22 14:38:39,856 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-22 14:38:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_suspend [2021-12-22 14:38:39,856 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_suspend [2021-12-22 14:38:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 14:38:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_ioctl [2021-12-22 14:38:39,857 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_ioctl [2021-12-22 14:38:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-22 14:38:39,857 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-22 14:38:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-22 14:38:39,858 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-22 14:38:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-22 14:38:39,858 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-22 14:38:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 14:38:39,859 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 14:38:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 14:38:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_assign_vector [2021-12-22 14:38:39,860 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_assign_vector [2021-12-22 14:38:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 14:38:39,860 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 14:38:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 14:38:39,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 14:38:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_change_mtu [2021-12-22 14:38:39,861 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_change_mtu [2021-12-22 14:38:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 14:38:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_desc_unused [2021-12-22 14:38:39,861 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_desc_unused [2021-12-22 14:38:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2021-12-22 14:38:39,862 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2021-12-22 14:38:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_error_detected [2021-12-22 14:38:39,862 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_error_detected [2021-12-22 14:38:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 14:38:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_netpoll [2021-12-22 14:38:39,863 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_netpoll [2021-12-22 14:38:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 14:38:39,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 14:38:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-22 14:38:39,863 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-22 14:38:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset_interrupt_capability [2021-12-22 14:38:39,863 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset_interrupt_capability [2021-12-22 14:38:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-12-22 14:38:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-12-22 14:38:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 14:38:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 14:38:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_msg_vf [2021-12-22 14:38:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_msg_vf [2021-12-22 14:38:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-22 14:38:39,865 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-22 14:38:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_tx_resources [2021-12-22 14:38:39,865 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_tx_resources [2021-12-22 14:38:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2021-12-22 14:38:39,865 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2021-12-22 14:38:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_3 [2021-12-22 14:38:39,866 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_3 [2021-12-22 14:38:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-22 14:38:39,866 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-22 14:38:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 14:38:39,867 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 14:38:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2021-12-22 14:38:39,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2021-12-22 14:38:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-22 14:38:39,868 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-22 14:38:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-12-22 14:38:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 14:38:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2021-12-22 14:38:39,868 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2021-12-22 14:38:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-22 14:38:39,869 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-22 14:38:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure_msix [2021-12-22 14:38:39,869 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure_msix [2021-12-22 14:38:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 14:38:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-22 14:38:39,869 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-22 14:38:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 14:38:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-22 14:38:39,871 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-22 14:38:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset [2021-12-22 14:38:39,873 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset [2021-12-22 14:38:39,873 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2021-12-22 14:38:39,873 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2021-12-22 14:38:39,873 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-22 14:38:39,874 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-22 14:38:39,875 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_enable [2021-12-22 14:38:39,875 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_enable [2021-12-22 14:38:39,875 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-22 14:38:39,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-22 14:38:39,880 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-22 14:38:39,880 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-22 14:38:39,880 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reinit_locked [2021-12-22 14:38:39,880 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reinit_locked [2021-12-22 14:38:39,880 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 14:38:39,880 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 14:38:39,881 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_update_stats [2021-12-22 14:38:39,881 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_update_stats [2021-12-22 14:38:39,881 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_add_vid [2021-12-22 14:38:39,881 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_add_vid [2021-12-22 14:38:39,881 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 14:38:39,881 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 14:38:39,882 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-22 14:38:39,882 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-22 14:38:39,882 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_bit_vf [2021-12-22 14:38:39,882 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_bit_vf [2021-12-22 14:38:39,882 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2021-12-22 14:38:39,882 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2021-12-22 14:38:39,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 14:38:39,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 14:38:39,882 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-22 14:38:39,883 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-22 14:38:39,883 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2021-12-22 14:38:39,883 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2021-12-22 14:38:39,883 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-22 14:38:39,883 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-22 14:38:39,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 14:38:39,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 14:38:39,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 14:38:39,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 14:38:39,884 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-22 14:38:39,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-22 14:38:39,884 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2021-12-22 14:38:39,884 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2021-12-22 14:38:39,884 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-22 14:38:39,884 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-22 14:38:39,884 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-22 14:38:39,884 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-22 14:38:39,885 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-22 14:38:39,885 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-22 14:38:39,885 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_down [2021-12-22 14:38:39,885 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_down [2021-12-22 14:38:39,885 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_regs_len [2021-12-22 14:38:39,885 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_regs_len [2021-12-22 14:38:39,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2021-12-22 14:38:39,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2021-12-22 14:38:39,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 14:38:39,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 14:38:39,886 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_irq [2021-12-22 14:38:39,886 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_irq [2021-12-22 14:38:39,886 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-22 14:38:39,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-22 14:38:39,886 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-22 14:38:39,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-22 14:38:39,886 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2021-12-22 14:38:39,887 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2021-12-22 14:38:39,887 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-22 14:38:39,887 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-22 14:38:39,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 14:38:39,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 14:38:39,887 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 14:38:39,887 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 14:38:39,887 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 14:38:39,888 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 14:38:39,888 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_ring [2021-12-22 14:38:39,888 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_ring [2021-12-22 14:38:39,888 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_v2p_mailbox [2021-12-22 14:38:39,888 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_v2p_mailbox [2021-12-22 14:38:39,888 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_3 [2021-12-22 14:38:39,888 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_3 [2021-12-22 14:38:39,888 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-22 14:38:39,888 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-22 14:38:39,889 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-22 14:38:39,889 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-22 14:38:39,889 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-22 14:38:39,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-22 14:38:39,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2021-12-22 14:38:39,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2021-12-22 14:38:39,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 14:38:39,889 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 14:38:39,890 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 14:38:39,890 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_remove [2021-12-22 14:38:39,890 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_remove [2021-12-22 14:38:39,890 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-22 14:38:39,890 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-22 14:38:39,890 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-22 14:38:39,890 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-22 14:38:39,890 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_disable [2021-12-22 14:38:39,891 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_disable [2021-12-22 14:38:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 14:38:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-22 14:38:39,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-22 14:38:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_slot_reset [2021-12-22 14:38:39,891 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_slot_reset [2021-12-22 14:38:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure [2021-12-22 14:38:39,891 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure [2021-12-22 14:38:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_rx_resources [2021-12-22 14:38:39,892 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_rx_resources [2021-12-22 14:38:39,892 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_rx_ring [2021-12-22 14:38:39,892 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_rx_ring [2021-12-22 14:38:39,892 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2021-12-22 14:38:39,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2021-12-22 14:38:39,892 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_obtain_mbx_lock_vf [2021-12-22 14:38:39,892 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_obtain_mbx_lock_vf [2021-12-22 14:38:39,892 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-22 14:38:39,893 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-22 14:38:39,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 14:38:39,893 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_ack_vf [2021-12-22 14:38:39,893 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_ack_vf [2021-12-22 14:38:39,893 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-22 14:38:39,893 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-22 14:38:39,893 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-22 14:38:39,893 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-22 14:38:39,893 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 14:38:39,894 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 14:38:39,894 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_request_irq [2021-12-22 14:38:39,895 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_request_irq [2021-12-22 14:38:39,897 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-22 14:38:39,897 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-22 14:38:39,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 14:38:39,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 14:38:39,898 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_put_txbuf [2021-12-22 14:38:39,898 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_put_txbuf [2021-12-22 14:38:39,898 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2021-12-22 14:38:39,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2021-12-22 14:38:39,898 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2021-12-22 14:38:39,899 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2021-12-22 14:38:39,899 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-12-22 14:38:39,899 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-12-22 14:38:39,899 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-22 14:38:39,900 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-22 14:38:39,900 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 14:38:39,900 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 14:38:39,900 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-22 14:38:39,900 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-22 14:38:39,900 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_shutdown [2021-12-22 14:38:39,900 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_shutdown [2021-12-22 14:38:39,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-22 14:38:39,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-22 14:38:39,901 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 14:38:39,901 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 14:38:39,901 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2021-12-22 14:38:39,901 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2021-12-22 14:38:39,901 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-22 14:38:39,901 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-22 14:38:39,901 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_tx_resources [2021-12-22 14:38:39,901 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_tx_resources [2021-12-22 14:38:39,901 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 14:38:39,902 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 14:38:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_eeprom_len [2021-12-22 14:38:39,902 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_eeprom_len [2021-12-22 14:38:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 14:38:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_stats [2021-12-22 14:38:39,902 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_stats [2021-12-22 14:38:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2021-12-22 14:38:39,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2021-12-22 14:38:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 14:38:39,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 14:38:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_kill_vid [2021-12-22 14:38:39,903 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_kill_vid [2021-12-22 14:38:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2021-12-22 14:38:39,903 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2021-12-22 14:38:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-22 14:38:39,903 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-22 14:38:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-22 14:38:39,903 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-22 14:38:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-22 14:38:39,904 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-22 14:38:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_resume [2021-12-22 14:38:39,904 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_resume [2021-12-22 14:38:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-22 14:38:39,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-22 14:38:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_3 [2021-12-22 14:38:39,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_3 [2021-12-22 14:38:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-12-22 14:38:39,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-12-22 14:38:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_rx_resources [2021-12-22 14:38:39,905 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_rx_resources [2021-12-22 14:38:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_features [2021-12-22 14:38:39,905 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_features [2021-12-22 14:38:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_multi [2021-12-22 14:38:39,905 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_multi [2021-12-22 14:38:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_tx_timeout [2021-12-22 14:38:39,905 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_tx_timeout [2021-12-22 14:38:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-22 14:38:39,906 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-22 14:38:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-22 14:38:39,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-22 14:38:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2021-12-22 14:38:39,906 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2021-12-22 14:38:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-22 14:38:39,906 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-22 14:38:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_up [2021-12-22 14:38:39,907 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_up [2021-12-22 14:38:39,907 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-22 14:38:39,907 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-22 14:38:39,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 14:38:39,907 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-12-22 14:38:39,907 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-12-22 14:38:39,907 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-22 14:38:40,944 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 14:38:40,948 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 14:38:41,209 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 14:38:47,479 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 14:38:47,500 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 14:38:47,501 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-22 14:38:47,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:38:47 BoogieIcfgContainer [2021-12-22 14:38:47,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 14:38:47,507 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 14:38:47,507 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 14:38:47,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 14:38:47,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:38:35" (1/3) ... [2021-12-22 14:38:47,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e18856f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:38:47, skipping insertion in model container [2021-12-22 14:38:47,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:38:39" (2/3) ... [2021-12-22 14:38:47,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e18856f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:38:47, skipping insertion in model container [2021-12-22 14:38:47,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:38:47" (3/3) ... [2021-12-22 14:38:47,513 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 [2021-12-22 14:38:47,517 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 14:38:47,517 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 14:38:47,563 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 14:38:47,568 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 [2021-12-22 14:38:47,568 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 14:38:47,621 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) [2021-12-22 14:38:47,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-12-22 14:38:47,637 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:38:47,638 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] [2021-12-22 14:38:47,638 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:38:47,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:38:47,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1350737997, now seen corresponding path program 1 times [2021-12-22 14:38:47,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:38:47,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912184122] [2021-12-22 14:38:47,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:38:47,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:38:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:38:48,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:38:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:38:48,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:38:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:38:48,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:38:48,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:38:48,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:38:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:38:48,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:38:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:38:48,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 14:38:48,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:38:48,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-22 14:38:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:38:48,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-22 14:38:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:38:48,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-22 14:38:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:38:48,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 14:38:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:38:48,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 14:38:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:38:48,470 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-12-22 14:38:48,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:38:48,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912184122] [2021-12-22 14:38:48,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912184122] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:38:48,471 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:38:48,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:38:48,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959009884] [2021-12-22 14:38:48,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:38:48,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:38:48,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:38:48,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:38:48,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:38:48,505 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) [2021-12-22 14:38:51,832 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 [] [2021-12-22 14:39:03,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:39:03,540 INFO L93 Difference]: Finished difference Result 9158 states and 13449 transitions. [2021-12-22 14:39:03,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 14:39:03,543 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 [2021-12-22 14:39:03,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:39:03,602 INFO L225 Difference]: With dead ends: 9158 [2021-12-22 14:39:03,602 INFO L226 Difference]: Without dead ends: 6316 [2021-12-22 14:39:03,623 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-22 14:39:03,626 INFO L933 BasicCegarLoop]: 4182 mSDtfsCounter, 7012 mSDsluCounter, 6202 mSDsCounter, 0 mSdLazyCounter, 5057 mSolverCounterSat, 4438 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7452 SdHoareTripleChecker+Valid, 10384 SdHoareTripleChecker+Invalid, 9495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4438 IncrementalHoareTripleChecker+Valid, 5057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2021-12-22 14:39:03,626 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7452 Valid, 10384 Invalid, 9495 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4438 Valid, 5057 Invalid, 0 Unknown, 0 Unchecked, 14.4s Time] [2021-12-22 14:39:03,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6316 states. [2021-12-22 14:39:03,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6316 to 5466. [2021-12-22 14:39:03,916 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) [2021-12-22 14:39:03,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5466 states to 5466 states and 7694 transitions. [2021-12-22 14:39:03,957 INFO L78 Accepts]: Start accepts. Automaton has 5466 states and 7694 transitions. Word has length 91 [2021-12-22 14:39:03,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:39:03,958 INFO L470 AbstractCegarLoop]: Abstraction has 5466 states and 7694 transitions. [2021-12-22 14:39:03,958 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) [2021-12-22 14:39:03,958 INFO L276 IsEmpty]: Start isEmpty. Operand 5466 states and 7694 transitions. [2021-12-22 14:39:03,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-22 14:39:03,971 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:39:03,971 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] [2021-12-22 14:39:03,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 14:39:03,972 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:39:03,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:39:03,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1806858512, now seen corresponding path program 1 times [2021-12-22 14:39:03,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:39:03,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259763150] [2021-12-22 14:39:03,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:39:03,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:39:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:04,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:39:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:04,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:39:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:04,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:39:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:04,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:39:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:04,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:39:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:04,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 14:39:04,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:04,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-22 14:39:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:04,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-22 14:39:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:04,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-22 14:39:04,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:04,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 14:39:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:04,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 14:39:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:04,547 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-12-22 14:39:04,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:39:04,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259763150] [2021-12-22 14:39:04,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259763150] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:39:04,552 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:39:04,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 14:39:04,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151529778] [2021-12-22 14:39:04,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:39:04,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 14:39:04,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:39:04,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 14:39:04,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-22 14:39:04,558 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) [2021-12-22 14:39:06,553 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:39:08,570 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:39:10,658 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:39:22,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:39:22,703 INFO L93 Difference]: Finished difference Result 12597 states and 18453 transitions. [2021-12-22 14:39:22,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 14:39:22,705 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 [2021-12-22 14:39:22,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:39:22,784 INFO L225 Difference]: With dead ends: 12597 [2021-12-22 14:39:22,784 INFO L226 Difference]: Without dead ends: 12589 [2021-12-22 14:39:22,793 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 [2021-12-22 14:39:22,794 INFO L933 BasicCegarLoop]: 4157 mSDtfsCounter, 6974 mSDsluCounter, 13538 mSDsCounter, 0 mSdLazyCounter, 7554 mSolverCounterSat, 4371 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7419 SdHoareTripleChecker+Valid, 17695 SdHoareTripleChecker+Invalid, 11926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4371 IncrementalHoareTripleChecker+Valid, 7554 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2021-12-22 14:39:22,794 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7419 Valid, 17695 Invalid, 11926 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4371 Valid, 7554 Invalid, 1 Unknown, 0 Unchecked, 17.5s Time] [2021-12-22 14:39:22,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12589 states. [2021-12-22 14:39:23,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12589 to 10937. [2021-12-22 14:39:23,277 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) [2021-12-22 14:39:23,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10937 states to 10937 states and 15475 transitions. [2021-12-22 14:39:23,321 INFO L78 Accepts]: Start accepts. Automaton has 10937 states and 15475 transitions. Word has length 93 [2021-12-22 14:39:23,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:39:23,325 INFO L470 AbstractCegarLoop]: Abstraction has 10937 states and 15475 transitions. [2021-12-22 14:39:23,325 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) [2021-12-22 14:39:23,325 INFO L276 IsEmpty]: Start isEmpty. Operand 10937 states and 15475 transitions. [2021-12-22 14:39:23,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-12-22 14:39:23,361 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:39:23,363 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] [2021-12-22 14:39:23,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 14:39:23,364 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:39:23,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:39:23,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1790915239, now seen corresponding path program 1 times [2021-12-22 14:39:23,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:39:23,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702107855] [2021-12-22 14:39:23,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:39:23,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:39:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:23,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:39:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:23,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:39:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:23,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:39:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:23,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:39:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:23,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:39:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:23,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 14:39:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:23,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-22 14:39:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:23,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-22 14:39:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:23,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-22 14:39:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:23,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 14:39:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:23,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 14:39:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:23,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 14:39:23,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:23,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:39:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 14:39:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 14:39:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 14:39:24,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:39:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-22 14:39:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:39:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:39:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 14:39:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-22 14:39:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:39:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:39:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 14:39:24,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 14:39:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-22 14:39:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-22 14:39:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-22 14:39:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-22 14:39:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-22 14:39:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 14:39:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 14:39:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 14:39:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:39:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-22 14:39:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-22 14:39:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-22 14:39:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 14:39:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-22 14:39:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:39:24,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:39:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 14:39:24,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:39:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:39:24,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:39:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-22 14:39:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-22 14:39:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-22 14:39:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:39:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:39:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-22 14:39:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:39:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-22 14:39:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 14:39:24,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-22 14:39:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:39:24,704 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-12-22 14:39:24,704 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:39:24,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702107855] [2021-12-22 14:39:24,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702107855] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:39:24,705 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:39:24,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-12-22 14:39:24,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683174333] [2021-12-22 14:39:24,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:39:24,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-22 14:39:24,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:39:24,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-22 14:39:24,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-12-22 14:39:24,710 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) [2021-12-22 14:39:28,011 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []